/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive/Ackermann03.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 22:37:24,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 22:37:24,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 22:37:24,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 22:37:25,068 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 22:37:25,091 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 22:37:25,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 22:37:25,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 22:37:25,096 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 22:37:25,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 22:37:25,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 22:37:25,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 22:37:25,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 22:37:25,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 22:37:25,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 22:37:25,098 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 22:37:25,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 22:37:25,098 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 22:37:25,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 22:37:25,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 22:37:25,099 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 22:37:25,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 22:37:25,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 22:37:25,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 22:37:25,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 22:37:25,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 22:37:25,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 22:37:25,101 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 22:37:25,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 22:37:25,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 22:37:25,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 22:37:25,499 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 22:37:25,500 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 22:37:25,501 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Ackermann03.c [2021-02-23 22:37:25,596 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b06f1a3/1029a0e3b3ad441dad987a98b2c2b248/FLAG07d70a0ca [2021-02-23 22:37:26,176 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 22:37:26,176 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/Ackermann03.c [2021-02-23 22:37:26,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b06f1a3/1029a0e3b3ad441dad987a98b2c2b248/FLAG07d70a0ca [2021-02-23 22:37:26,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b06f1a3/1029a0e3b3ad441dad987a98b2c2b248 [2021-02-23 22:37:26,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 22:37:26,594 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 22:37:26,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 22:37:26,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 22:37:26,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 22:37:26,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 10:37:26" (1/1) ... [2021-02-23 22:37:26,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d0e6f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:37:26, skipping insertion in model container [2021-02-23 22:37:26,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 10:37:26" (1/1) ... [2021-02-23 22:37:26,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 22:37:26,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 22:37:26,779 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/recursive/Ackermann03.c[1168,1181] [2021-02-23 22:37:26,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 22:37:26,794 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 22:37:26,814 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/recursive/Ackermann03.c[1168,1181] [2021-02-23 22:37:26,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 22:37:26,833 INFO L208 MainTranslator]: Completed translation [2021-02-23 22:37:26,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:37:26 WrapperNode [2021-02-23 22:37:26,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 22:37:26,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 22:37:26,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 22:37:26,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 22:37:26,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:37:26" (1/1) ... [2021-02-23 22:37:26,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:37:26" (1/1) ... [2021-02-23 22:37:26,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:37:26" (1/1) ... [2021-02-23 22:37:26,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:37:26" (1/1) ... [2021-02-23 22:37:26,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:37:26" (1/1) ... [2021-02-23 22:37:26,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:37:26" (1/1) ... [2021-02-23 22:37:26,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:37:26" (1/1) ... [2021-02-23 22:37:26,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 22:37:26,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 22:37:26,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 22:37:26,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 22:37:26,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:37:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 22:37:27,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 22:37:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 22:37:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 22:37:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ackermann [2021-02-23 22:37:27,005 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 22:37:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 22:37:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 22:37:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 22:37:27,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 22:37:27,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 22:37:27,007 INFO L130 BoogieDeclarations]: Found specification of procedure ackermann [2021-02-23 22:37:27,007 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 22:37:27,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 22:37:27,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 22:37:27,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 22:37:27,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 22:37:27,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 22:37:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 22:37:27,512 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 22:37:27,513 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 22:37:27,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 10:37:27 BoogieIcfgContainer [2021-02-23 22:37:27,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 22:37:27,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 22:37:27,522 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 22:37:27,526 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 22:37:27,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 10:37:26" (1/3) ... [2021-02-23 22:37:27,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4175c852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 10:37:27, skipping insertion in model container [2021-02-23 22:37:27,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:37:26" (2/3) ... [2021-02-23 22:37:27,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4175c852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 10:37:27, skipping insertion in model container [2021-02-23 22:37:27,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 10:37:27" (3/3) ... [2021-02-23 22:37:27,529 INFO L111 eAbstractionObserver]: Analyzing ICFG Ackermann03.c [2021-02-23 22:37:27,536 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 22:37:27,541 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 22:37:27,564 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 22:37:27,590 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 22:37:27,590 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 22:37:27,590 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 22:37:27,590 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 22:37:27,590 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 22:37:27,591 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 22:37:27,591 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 22:37:27,591 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 22:37:27,607 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2021-02-23 22:37:27,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-02-23 22:37:27,618 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:37:27,619 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:37:27,619 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:37:27,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:37:27,626 INFO L82 PathProgramCache]: Analyzing trace with hash 305373308, now seen corresponding path program 1 times [2021-02-23 22:37:27,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:37:27,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [404064008] [2021-02-23 22:37:27,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:37:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:27,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:27,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:27,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:27,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:27,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:27,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:28,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:37:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:28,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:28,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:28,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:37:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:28,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:28,114 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:28,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:28,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:28,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 22:37:28,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [404064008] [2021-02-23 22:37:28,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 22:37:28,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 22:37:28,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642249159] [2021-02-23 22:37:28,172 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 22:37:28,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:37:28,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 22:37:28,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-23 22:37:28,197 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 6 states. [2021-02-23 22:37:28,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:37:28,936 INFO L93 Difference]: Finished difference Result 97 states and 119 transitions. [2021-02-23 22:37:28,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-23 22:37:28,938 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2021-02-23 22:37:28,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:37:28,950 INFO L225 Difference]: With dead ends: 97 [2021-02-23 22:37:28,950 INFO L226 Difference]: Without dead ends: 53 [2021-02-23 22:37:28,955 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-23 22:37:28,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-02-23 22:37:29,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-02-23 22:37:29,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-02-23 22:37:29,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2021-02-23 22:37:29,020 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 32 [2021-02-23 22:37:29,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:37:29,020 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2021-02-23 22:37:29,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 22:37:29,021 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2021-02-23 22:37:29,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-02-23 22:37:29,024 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:37:29,025 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:37:29,025 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 22:37:29,025 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:37:29,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:37:29,027 INFO L82 PathProgramCache]: Analyzing trace with hash -40053035, now seen corresponding path program 1 times [2021-02-23 22:37:29,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:37:29,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [663174143] [2021-02-23 22:37:29,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:37:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:29,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:29,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:29,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:29,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:29,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:29,114 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:29,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:37:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:29,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:29,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:29,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:37:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:29,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:29,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:29,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:29,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:29,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:29,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:29,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:29,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:29,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:29,258 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-23 22:37:29,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [663174143] [2021-02-23 22:37:29,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:37:29,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2021-02-23 22:37:29,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113034568] [2021-02-23 22:37:29,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 22:37:29,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:37:29,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 22:37:29,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-23 22:37:29,263 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand 6 states. [2021-02-23 22:37:29,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:37:29,653 INFO L93 Difference]: Finished difference Result 91 states and 116 transitions. [2021-02-23 22:37:29,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-23 22:37:29,657 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2021-02-23 22:37:29,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:37:29,667 INFO L225 Difference]: With dead ends: 91 [2021-02-23 22:37:29,667 INFO L226 Difference]: Without dead ends: 55 [2021-02-23 22:37:29,673 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-23 22:37:29,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-02-23 22:37:29,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-02-23 22:37:29,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-02-23 22:37:29,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 64 transitions. [2021-02-23 22:37:29,715 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 64 transitions. Word has length 42 [2021-02-23 22:37:29,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:37:29,716 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 64 transitions. [2021-02-23 22:37:29,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 22:37:29,716 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2021-02-23 22:37:29,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-02-23 22:37:29,721 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:37:29,722 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:37:29,723 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 22:37:29,723 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:37:29,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:37:29,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1101309652, now seen corresponding path program 1 times [2021-02-23 22:37:29,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:37:29,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2126466089] [2021-02-23 22:37:29,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:37:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:29,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:29,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:29,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:29,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:29,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:29,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:29,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:37:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:29,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:29,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:29,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:37:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:29,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:29,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:29,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:29,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:29,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:29,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:29,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:30,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:30,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:30,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:30,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:30,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:30,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:30,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:30,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:30,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:30,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:37:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:30,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:30,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:30,051 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-02-23 22:37:30,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2126466089] [2021-02-23 22:37:30,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:37:30,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 22:37:30,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885030442] [2021-02-23 22:37:30,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 22:37:30,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:37:30,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 22:37:30,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-23 22:37:30,055 INFO L87 Difference]: Start difference. First operand 55 states and 64 transitions. Second operand 7 states. [2021-02-23 22:37:30,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:37:30,529 INFO L93 Difference]: Finished difference Result 83 states and 105 transitions. [2021-02-23 22:37:30,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 22:37:30,530 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2021-02-23 22:37:30,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:37:30,533 INFO L225 Difference]: With dead ends: 83 [2021-02-23 22:37:30,533 INFO L226 Difference]: Without dead ends: 77 [2021-02-23 22:37:30,534 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 22:37:30,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-02-23 22:37:30,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-02-23 22:37:30,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-02-23 22:37:30,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 99 transitions. [2021-02-23 22:37:30,561 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 99 transitions. Word has length 61 [2021-02-23 22:37:30,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:37:30,562 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 99 transitions. [2021-02-23 22:37:30,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 22:37:30,562 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2021-02-23 22:37:30,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-02-23 22:37:30,567 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:37:30,567 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:37:30,567 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 22:37:30,568 INFO L428 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:37:30,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:37:30,568 INFO L82 PathProgramCache]: Analyzing trace with hash 697726399, now seen corresponding path program 2 times [2021-02-23 22:37:30,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:37:30,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1334685969] [2021-02-23 22:37:30,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:37:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:30,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:30,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:30,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:30,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:30,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:30,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:30,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:37:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:30,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:30,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:30,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:37:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:30,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:30,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:30,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:30,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:30,712 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:30,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:30,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:30,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:30,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:30,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:30,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:30,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:30,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:30,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:30,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:30,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:30,761 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:30,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:37:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:30,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:30,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:30,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:30,769 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:30,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 22:37:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:30,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:30,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:30,801 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 21 proven. 25 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-02-23 22:37:30,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1334685969] [2021-02-23 22:37:30,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:37:30,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-23 22:37:30,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992418778] [2021-02-23 22:37:30,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 22:37:30,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:37:30,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 22:37:30,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-23 22:37:30,805 INFO L87 Difference]: Start difference. First operand 77 states and 99 transitions. Second operand 8 states. [2021-02-23 22:37:31,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:37:31,341 INFO L93 Difference]: Finished difference Result 115 states and 167 transitions. [2021-02-23 22:37:31,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 22:37:31,341 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2021-02-23 22:37:31,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:37:31,345 INFO L225 Difference]: With dead ends: 115 [2021-02-23 22:37:31,346 INFO L226 Difference]: Without dead ends: 109 [2021-02-23 22:37:31,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2021-02-23 22:37:31,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-02-23 22:37:31,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2021-02-23 22:37:31,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2021-02-23 22:37:31,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 161 transitions. [2021-02-23 22:37:31,381 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 161 transitions. Word has length 80 [2021-02-23 22:37:31,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:37:31,382 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 161 transitions. [2021-02-23 22:37:31,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 22:37:31,382 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 161 transitions. [2021-02-23 22:37:31,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-02-23 22:37:31,386 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:37:31,387 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 7, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:37:31,387 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 22:37:31,387 INFO L428 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:37:31,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:37:31,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1386789945, now seen corresponding path program 3 times [2021-02-23 22:37:31,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:37:31,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1115761474] [2021-02-23 22:37:31,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:37:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:31,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:31,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:31,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:37:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:31,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:31,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:37:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:31,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,507 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:31,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:31,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:31,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:31,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:31,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:31,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:31,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:31,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:31,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:31,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:31,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:31,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:31,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:31,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:31,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:31,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:31,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:31,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:31,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:31,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:31,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:31,656 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 22:37:31,657 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 22:37:31,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 22:37:31,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:37:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:31,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:31,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:31,712 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,713 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:37:31,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 22:37:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:31,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:31,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:31,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:31,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:31,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:31,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-02-23 22:37:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:31,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:31,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:31,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:31,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:31,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:31,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:31,868 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 110 proven. 71 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-02-23 22:37:31,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1115761474] [2021-02-23 22:37:31,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:37:31,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2021-02-23 22:37:31,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307035602] [2021-02-23 22:37:31,871 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-02-23 22:37:31,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:37:31,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-02-23 22:37:31,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2021-02-23 22:37:31,874 INFO L87 Difference]: Start difference. First operand 109 states and 161 transitions. Second operand 16 states. [2021-02-23 22:37:34,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:37:34,164 INFO L93 Difference]: Finished difference Result 385 states and 934 transitions. [2021-02-23 22:37:34,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-23 22:37:34,165 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 129 [2021-02-23 22:37:34,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:37:34,174 INFO L225 Difference]: With dead ends: 385 [2021-02-23 22:37:34,175 INFO L226 Difference]: Without dead ends: 297 [2021-02-23 22:37:34,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=447, Invalid=1533, Unknown=0, NotChecked=0, Total=1980 [2021-02-23 22:37:34,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2021-02-23 22:37:34,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 176. [2021-02-23 22:37:34,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2021-02-23 22:37:34,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 334 transitions. [2021-02-23 22:37:34,253 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 334 transitions. Word has length 129 [2021-02-23 22:37:34,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:37:34,253 INFO L480 AbstractCegarLoop]: Abstraction has 176 states and 334 transitions. [2021-02-23 22:37:34,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2021-02-23 22:37:34,254 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 334 transitions. [2021-02-23 22:37:34,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-02-23 22:37:34,260 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:37:34,260 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 10, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:37:34,260 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 22:37:34,260 INFO L428 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:37:34,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:37:34,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1061589486, now seen corresponding path program 4 times [2021-02-23 22:37:34,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:37:34,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2103940952] [2021-02-23 22:37:34,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:37:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:34,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:34,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:34,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:37:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:34,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:34,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:37:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:34,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:34,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:34,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:34,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:34,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:34,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:37:34,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:34,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:34,525 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:34,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:37:34,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:37:34,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:34,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:34,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 22:37:34,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,582 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:37:34,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:37:34,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:34,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:34,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:37:34,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:37:34,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:34,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:34,642 WARN L141 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size [2021-02-23 22:37:34,643 WARN L147 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size 11 [2021-02-23 22:37:34,663 WARN L141 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size [2021-02-23 22:37:34,664 WARN L147 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size 11 [2021-02-23 22:37:34,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 22:37:34,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:37:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:34,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:34,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:34,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:37:34,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 22:37:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:34,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,793 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:34,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:34,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:34,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:34,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:34,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:34,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:34,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:34,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:34,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:34,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:34,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:34,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:37:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:34,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:34,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:37:34,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:34,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:34,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:34,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:34,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:34,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 22:37:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:35,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:35,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:35,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:35,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:35,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:35,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-02-23 22:37:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:35,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:35,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:35,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:35,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:35,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:35,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:35,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:35,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:35,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:35,162 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 198 proven. 327 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2021-02-23 22:37:35,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2103940952] [2021-02-23 22:37:35,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:37:35,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2021-02-23 22:37:35,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434265971] [2021-02-23 22:37:35,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-02-23 22:37:35,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:37:35,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-02-23 22:37:35,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2021-02-23 22:37:35,165 INFO L87 Difference]: Start difference. First operand 176 states and 334 transitions. Second operand 24 states. [2021-02-23 22:37:37,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:37:37,543 INFO L93 Difference]: Finished difference Result 346 states and 779 transitions. [2021-02-23 22:37:37,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-23 22:37:37,544 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 177 [2021-02-23 22:37:37,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:37:37,549 INFO L225 Difference]: With dead ends: 346 [2021-02-23 22:37:37,549 INFO L226 Difference]: Without dead ends: 191 [2021-02-23 22:37:37,555 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 [2021-02-23 22:37:37,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-02-23 22:37:37,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 176. [2021-02-23 22:37:37,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2021-02-23 22:37:37,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 301 transitions. [2021-02-23 22:37:37,632 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 301 transitions. Word has length 177 [2021-02-23 22:37:37,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:37:37,634 INFO L480 AbstractCegarLoop]: Abstraction has 176 states and 301 transitions. [2021-02-23 22:37:37,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2021-02-23 22:37:37,634 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 301 transitions. [2021-02-23 22:37:37,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-02-23 22:37:37,645 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:37:37,645 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 16, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:37:37,645 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 22:37:37,645 INFO L428 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:37:37,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:37:37,646 INFO L82 PathProgramCache]: Analyzing trace with hash -573730218, now seen corresponding path program 5 times [2021-02-23 22:37:37,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:37:37,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1217606505] [2021-02-23 22:37:37,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:37:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:37,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:37,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:37,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:37,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:37,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:37:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:37,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:37,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:37,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:37:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:37,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:37,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:37,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:37,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:37,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:37,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:37,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:37,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:37,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:37,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:37,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:37,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:37,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:37,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:37,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:37,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:37,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:37,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:37,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:37,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:37,969 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:37,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:37,970 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:37,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:37,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:37,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:37,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:37,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:37,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:37,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:37,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:37,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:38,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:38,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:38,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:38,031 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 22:37:38,032 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 22:37:38,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 22:37:38,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:37:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:38,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:38,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:38,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:37:38,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 22:37:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:38,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:38,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:38,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:38,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:38,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,142 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:38,143 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:38,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:38,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:38,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:38,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:38,166 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:38,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:38,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:38,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:37:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:38,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:38,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 22:37:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:38,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:38,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-02-23 22:37:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:38,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:38,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:38,279 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:38,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:38,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:38,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:38,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:38,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:38,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:38,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:38,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:38,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:37:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:38,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:38,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 22:37:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:38,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:38,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:38,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:38,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:38,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:38,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:38,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:38,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:37:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:38,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:38,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 22:37:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:38,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:38,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-02-23 22:37:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:38,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:38,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:38,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2305 backedges. 208 proven. 653 refuted. 0 times theorem prover too weak. 1444 trivial. 0 not checked. [2021-02-23 22:37:38,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1217606505] [2021-02-23 22:37:38,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:37:38,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2021-02-23 22:37:38,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904375839] [2021-02-23 22:37:38,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-23 22:37:38,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:37:38,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-23 22:37:38,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-02-23 22:37:38,514 INFO L87 Difference]: Start difference. First operand 176 states and 301 transitions. Second operand 17 states. [2021-02-23 22:37:41,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:37:41,828 INFO L93 Difference]: Finished difference Result 455 states and 1172 transitions. [2021-02-23 22:37:41,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-02-23 22:37:41,829 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 282 [2021-02-23 22:37:41,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:37:41,844 INFO L225 Difference]: With dead ends: 455 [2021-02-23 22:37:41,844 INFO L226 Difference]: Without dead ends: 294 [2021-02-23 22:37:41,856 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 893 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=845, Invalid=2815, Unknown=0, NotChecked=0, Total=3660 [2021-02-23 22:37:41,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-02-23 22:37:41,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 136. [2021-02-23 22:37:41,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2021-02-23 22:37:41,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 186 transitions. [2021-02-23 22:37:41,903 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 186 transitions. Word has length 282 [2021-02-23 22:37:41,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:37:41,904 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 186 transitions. [2021-02-23 22:37:41,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-23 22:37:41,904 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 186 transitions. [2021-02-23 22:37:41,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-02-23 22:37:41,908 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:37:41,909 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 13, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:37:41,909 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 22:37:41,909 INFO L428 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:37:41,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:37:41,910 INFO L82 PathProgramCache]: Analyzing trace with hash 465788811, now seen corresponding path program 6 times [2021-02-23 22:37:41,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:37:41,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1978565884] [2021-02-23 22:37:41,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:37:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:41,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:41,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:41,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:41,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:37:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:37:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,143 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:37:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 22:37:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,282 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,337 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 22:37:42,339 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 22:37:42,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 22:37:42,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:37:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:37:42,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 22:37:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:37:42,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 22:37:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:37:42,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-23 22:37:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:42,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:37:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 22:37:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 22:37:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:42,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:42,605 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:42,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1664 backedges. 525 proven. 337 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2021-02-23 22:37:42,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1978565884] [2021-02-23 22:37:42,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:37:42,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2021-02-23 22:37:42,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441203686] [2021-02-23 22:37:42,736 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-23 22:37:42,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:37:42,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-23 22:37:42,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2021-02-23 22:37:42,737 INFO L87 Difference]: Start difference. First operand 136 states and 186 transitions. Second operand 23 states. [2021-02-23 22:37:50,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:37:50,101 INFO L93 Difference]: Finished difference Result 393 states and 696 transitions. [2021-02-23 22:37:50,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-02-23 22:37:50,102 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 243 [2021-02-23 22:37:50,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:37:50,110 INFO L225 Difference]: With dead ends: 393 [2021-02-23 22:37:50,111 INFO L226 Difference]: Without dead ends: 278 [2021-02-23 22:37:50,120 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3716 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=2343, Invalid=10089, Unknown=0, NotChecked=0, Total=12432 [2021-02-23 22:37:50,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-02-23 22:37:50,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 166. [2021-02-23 22:37:50,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2021-02-23 22:37:50,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 247 transitions. [2021-02-23 22:37:50,173 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 247 transitions. Word has length 243 [2021-02-23 22:37:50,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:37:50,174 INFO L480 AbstractCegarLoop]: Abstraction has 166 states and 247 transitions. [2021-02-23 22:37:50,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2021-02-23 22:37:50,174 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 247 transitions. [2021-02-23 22:37:50,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-02-23 22:37:50,179 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:37:50,179 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 14, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:37:50,180 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 22:37:50,180 INFO L428 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:37:50,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:37:50,180 INFO L82 PathProgramCache]: Analyzing trace with hash 437568672, now seen corresponding path program 7 times [2021-02-23 22:37:50,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:37:50,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [471062146] [2021-02-23 22:37:50,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:37:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:50,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:50,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:50,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:37:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:50,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:50,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:37:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:50,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:50,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:50,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:50,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:50,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:50,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:50,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:50,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:50,494 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:50,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:50,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:50,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:50,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:50,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:50,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:50,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:37:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:50,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:50,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 22:37:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:50,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:50,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:50,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:50,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:50,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:50,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:50,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:50,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:50,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:50,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:50,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:50,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:50,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:50,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:50,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:50,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:50,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,716 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:50,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:50,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:50,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:50,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:50,752 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 22:37:50,753 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 22:37:50,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 22:37:50,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:37:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:50,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:50,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:50,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:37:50,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 22:37:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:50,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:50,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:50,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:37:50,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 22:37:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:50,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:50,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:50,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:37:50,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-23 22:37:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:50,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:50,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:50,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:50,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:50,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:50,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:50,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:50,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:50,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:50,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,980 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:50,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:50,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:50,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:51,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:51,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:51,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:51,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:51,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:51,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:51,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:51,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:51,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:51,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:51,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:51,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:51,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:37:51,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:51,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:51,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:51,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:37:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:51,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:51,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:51,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 22:37:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:51,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:51,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:51,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 22:37:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:51,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:51,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:51,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 22:37:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:51,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:51,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:51,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1985 backedges. 588 proven. 448 refuted. 0 times theorem prover too weak. 949 trivial. 0 not checked. [2021-02-23 22:37:51,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [471062146] [2021-02-23 22:37:51,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:37:51,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2021-02-23 22:37:51,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900496188] [2021-02-23 22:37:51,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-02-23 22:37:51,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:37:51,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-02-23 22:37:51,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=475, Unknown=0, NotChecked=0, Total=552 [2021-02-23 22:37:51,246 INFO L87 Difference]: Start difference. First operand 166 states and 247 transitions. Second operand 24 states. [2021-02-23 22:37:59,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:37:59,045 INFO L93 Difference]: Finished difference Result 447 states and 847 transitions. [2021-02-23 22:37:59,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-02-23 22:37:59,046 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 262 [2021-02-23 22:37:59,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:37:59,061 INFO L225 Difference]: With dead ends: 447 [2021-02-23 22:37:59,061 INFO L226 Difference]: Without dead ends: 302 [2021-02-23 22:37:59,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4376 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=2641, Invalid=11639, Unknown=0, NotChecked=0, Total=14280 [2021-02-23 22:37:59,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2021-02-23 22:37:59,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 200. [2021-02-23 22:37:59,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2021-02-23 22:37:59,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 316 transitions. [2021-02-23 22:37:59,145 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 316 transitions. Word has length 262 [2021-02-23 22:37:59,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:37:59,146 INFO L480 AbstractCegarLoop]: Abstraction has 200 states and 316 transitions. [2021-02-23 22:37:59,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2021-02-23 22:37:59,146 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 316 transitions. [2021-02-23 22:37:59,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-02-23 22:37:59,152 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:37:59,153 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 15, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:37:59,153 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 22:37:59,153 INFO L428 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:37:59,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:37:59,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1442041525, now seen corresponding path program 8 times [2021-02-23 22:37:59,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:37:59,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2042166576] [2021-02-23 22:37:59,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:37:59,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:59,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:59,279 WARN L141 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-02-23 22:37:59,280 WARN L147 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size 7 [2021-02-23 22:37:59,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:37:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:59,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:37:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:59,440 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:59,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:59,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:59,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:59,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:59,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:59,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:59,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:37:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:59,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 22:37:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:59,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:59,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:59,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:59,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:59,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:37:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:59,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 22:37:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:59,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 22:37:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:59,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-23 22:37:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:59,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:59,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:59,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:59,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:59,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:59,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:59,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:59,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:59,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:59,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:59,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:59,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:59,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:59,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:59,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:59,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:59,903 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:59,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:59,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:37:59,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:37:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:37:59,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:37:59,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:37:59,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:38:00,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:00,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:38:00,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:00,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:00,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:00,048 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 22:38:00,048 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 22:38:00,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:00,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 22:38:00,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:38:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:00,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:00,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:00,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:00,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:00,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:00,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 22:38:00,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 22:38:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:00,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:00,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:00,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:00,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:00,189 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:00,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 22:38:00,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 22:38:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:00,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:00,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:00,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:00,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:00,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:00,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 22:38:00,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 22:38:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:00,217 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:00,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:00,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:00,218 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:00,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:00,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 22:38:00,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-23 22:38:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:00,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:00,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:00,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:00,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:00,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:00,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 22:38:00,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2335 backedges. 737 proven. 198 refuted. 0 times theorem prover too weak. 1400 trivial. 0 not checked. [2021-02-23 22:38:00,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2042166576] [2021-02-23 22:38:00,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:38:00,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2021-02-23 22:38:00,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35293474] [2021-02-23 22:38:00,423 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-23 22:38:00,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:38:00,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-23 22:38:00,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=598, Unknown=0, NotChecked=0, Total=650 [2021-02-23 22:38:00,424 INFO L87 Difference]: Start difference. First operand 200 states and 316 transitions. Second operand 26 states. [2021-02-23 22:38:08,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:38:08,094 INFO L93 Difference]: Finished difference Result 683 states and 1160 transitions. [2021-02-23 22:38:08,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-02-23 22:38:08,096 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 281 [2021-02-23 22:38:08,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:38:08,118 INFO L225 Difference]: With dead ends: 683 [2021-02-23 22:38:08,118 INFO L226 Difference]: Without dead ends: 665 [2021-02-23 22:38:08,134 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2636 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=855, Invalid=9245, Unknown=0, NotChecked=0, Total=10100 [2021-02-23 22:38:08,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2021-02-23 22:38:08,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 348. [2021-02-23 22:38:08,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2021-02-23 22:38:08,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 666 transitions. [2021-02-23 22:38:08,276 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 666 transitions. Word has length 281 [2021-02-23 22:38:08,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:38:08,277 INFO L480 AbstractCegarLoop]: Abstraction has 348 states and 666 transitions. [2021-02-23 22:38:08,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2021-02-23 22:38:08,277 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 666 transitions. [2021-02-23 22:38:08,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-02-23 22:38:08,292 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:38:08,293 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 32, 18, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:38:08,293 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 22:38:08,293 INFO L428 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:38:08,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:38:08,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1179742896, now seen corresponding path program 9 times [2021-02-23 22:38:08,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:38:08,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [829980934] [2021-02-23 22:38:08,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:38:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:08,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:08,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:08,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:38:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:08,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:38:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:08,494 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:08,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,525 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,526 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:08,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:08,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:08,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:08,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:08,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,582 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:08,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:08,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:08,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,606 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:08,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:38:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:08,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:08,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 22:38:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:08,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:08,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:08,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:08,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:08,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:08,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:08,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:08,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,740 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:08,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:08,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:08,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:38:08,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:08,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,819 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:08,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:08,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:08,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:08,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:38:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:08,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 22:38:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:08,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:08,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-23 22:38:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:08,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:08,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:38:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:08,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-02-23 22:38:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:08,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,959 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:08,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,970 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:08,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:08,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:08,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:08,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:08,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:08,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:09,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:09,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:09,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:09,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:09,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:38:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:09,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:09,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:09,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 22:38:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:09,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:09,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:09,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 22:38:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:09,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:09,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:09,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 22:38:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:09,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:09,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:09,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-23 22:38:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:09,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:09,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:09,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-23 22:38:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:09,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:09,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:09,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3310 backedges. 451 proven. 1109 refuted. 0 times theorem prover too weak. 1750 trivial. 0 not checked. [2021-02-23 22:38:09,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [829980934] [2021-02-23 22:38:09,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:38:09,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-02-23 22:38:09,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343817867] [2021-02-23 22:38:09,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-23 22:38:09,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:38:09,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-23 22:38:09,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-02-23 22:38:09,261 INFO L87 Difference]: Start difference. First operand 348 states and 666 transitions. Second operand 13 states. [2021-02-23 22:38:10,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:38:10,246 INFO L93 Difference]: Finished difference Result 659 states and 1469 transitions. [2021-02-23 22:38:10,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 22:38:10,247 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 329 [2021-02-23 22:38:10,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:38:10,255 INFO L225 Difference]: With dead ends: 659 [2021-02-23 22:38:10,255 INFO L226 Difference]: Without dead ends: 332 [2021-02-23 22:38:10,269 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2021-02-23 22:38:10,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-02-23 22:38:10,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 292. [2021-02-23 22:38:10,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2021-02-23 22:38:10,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 447 transitions. [2021-02-23 22:38:10,358 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 447 transitions. Word has length 329 [2021-02-23 22:38:10,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:38:10,358 INFO L480 AbstractCegarLoop]: Abstraction has 292 states and 447 transitions. [2021-02-23 22:38:10,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-23 22:38:10,359 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 447 transitions. [2021-02-23 22:38:10,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-02-23 22:38:10,362 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:38:10,362 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 29, 16, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:38:10,362 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-23 22:38:10,362 INFO L428 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:38:10,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:38:10,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1767246410, now seen corresponding path program 10 times [2021-02-23 22:38:10,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:38:10,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [993219877] [2021-02-23 22:38:10,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:38:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:10,473 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:10,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:10,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:38:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:10,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:10,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:38:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:10,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,596 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:10,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:10,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,602 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:10,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:10,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:10,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:10,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:10,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:10,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:10,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:10,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:10,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:10,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:10,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:10,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:10,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:38:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:10,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:10,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 22:38:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:10,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:10,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:10,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:10,698 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:10,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:10,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:10,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:10,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:10,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:10,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:10,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:10,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,748 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:10,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:10,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:10,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:10,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:10,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:10,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:10,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:10,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:10,817 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 22:38:10,817 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 22:38:10,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 22:38:10,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:38:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:10,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:10,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:10,875 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:38:10,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 22:38:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:10,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:10,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:10,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:38:10,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 22:38:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:10,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:10,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:10,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:38:10,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-23 22:38:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:10,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:10,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:10,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:10,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:10,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:11,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:11,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:11,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:11,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:11,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:11,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:11,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:11,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:11,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:11,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:11,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:11,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:11,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,142 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:11,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:11,143 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:11,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:11,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:11,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:11,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:11,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:11,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:11,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:11,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:11,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:11,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:11,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:38:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:11,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:11,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 22:38:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:11,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:11,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 22:38:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:11,241 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,241 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:11,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 22:38:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:11,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:11,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-23 22:38:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:11,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:11,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-23 22:38:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:11,279 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:11,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:11,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2714 backedges. 792 proven. 634 refuted. 0 times theorem prover too weak. 1288 trivial. 0 not checked. [2021-02-23 22:38:11,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [993219877] [2021-02-23 22:38:11,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:38:11,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2021-02-23 22:38:11,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884919739] [2021-02-23 22:38:11,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-23 22:38:11,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:38:11,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-23 22:38:11,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2021-02-23 22:38:11,464 INFO L87 Difference]: Start difference. First operand 292 states and 447 transitions. Second operand 26 states. [2021-02-23 22:38:14,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:38:14,180 INFO L93 Difference]: Finished difference Result 712 states and 1266 transitions. [2021-02-23 22:38:14,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-23 22:38:14,181 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 300 [2021-02-23 22:38:14,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:38:14,190 INFO L225 Difference]: With dead ends: 712 [2021-02-23 22:38:14,190 INFO L226 Difference]: Without dead ends: 318 [2021-02-23 22:38:14,199 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 900 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=597, Invalid=2943, Unknown=0, NotChecked=0, Total=3540 [2021-02-23 22:38:14,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-02-23 22:38:14,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 287. [2021-02-23 22:38:14,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2021-02-23 22:38:14,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 428 transitions. [2021-02-23 22:38:14,295 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 428 transitions. Word has length 300 [2021-02-23 22:38:14,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:38:14,296 INFO L480 AbstractCegarLoop]: Abstraction has 287 states and 428 transitions. [2021-02-23 22:38:14,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2021-02-23 22:38:14,296 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 428 transitions. [2021-02-23 22:38:14,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2021-02-23 22:38:14,299 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:38:14,299 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 31, 17, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:38:14,299 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-23 22:38:14,300 INFO L428 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:38:14,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:38:14,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1114859737, now seen corresponding path program 11 times [2021-02-23 22:38:14,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:38:14,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [724403548] [2021-02-23 22:38:14,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:38:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:38:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:38:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:14,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,525 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,526 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:14,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,531 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:14,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:14,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:14,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:14,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:14,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,582 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:14,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,605 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 22:38:14,605 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 22:38:14,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 22:38:14,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:38:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:14,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:38:14,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 22:38:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:14,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:14,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:14,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:14,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:14,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:14,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:14,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:14,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:14,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:14,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:38:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 22:38:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 22:38:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 22:38:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-02-23 22:38:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,976 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:38:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 22:38:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:14,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:14,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:14,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 22:38:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:15,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:15,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:15,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 22:38:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:15,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:15,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:15,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-23 22:38:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:15,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:15,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:15,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-23 22:38:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:15,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:15,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:15,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3122 backedges. 335 proven. 939 refuted. 0 times theorem prover too weak. 1848 trivial. 0 not checked. [2021-02-23 22:38:15,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [724403548] [2021-02-23 22:38:15,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:38:15,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2021-02-23 22:38:15,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838078447] [2021-02-23 22:38:15,210 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-23 22:38:15,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:38:15,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-23 22:38:15,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2021-02-23 22:38:15,212 INFO L87 Difference]: Start difference. First operand 287 states and 428 transitions. Second operand 19 states. [2021-02-23 22:38:16,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:38:16,760 INFO L93 Difference]: Finished difference Result 551 states and 901 transitions. [2021-02-23 22:38:16,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-23 22:38:16,761 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 319 [2021-02-23 22:38:16,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:38:16,768 INFO L225 Difference]: With dead ends: 551 [2021-02-23 22:38:16,769 INFO L226 Difference]: Without dead ends: 290 [2021-02-23 22:38:16,774 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=300, Invalid=1340, Unknown=0, NotChecked=0, Total=1640 [2021-02-23 22:38:16,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-02-23 22:38:16,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 287. [2021-02-23 22:38:16,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2021-02-23 22:38:16,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 424 transitions. [2021-02-23 22:38:16,874 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 424 transitions. Word has length 319 [2021-02-23 22:38:16,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:38:16,875 INFO L480 AbstractCegarLoop]: Abstraction has 287 states and 424 transitions. [2021-02-23 22:38:16,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-02-23 22:38:16,875 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 424 transitions. [2021-02-23 22:38:16,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2021-02-23 22:38:16,879 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:38:16,879 INFO L422 BasicCegarLoop]: trace histogram [42, 42, 42, 23, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:38:16,880 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-02-23 22:38:16,880 INFO L428 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:38:16,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:38:16,880 INFO L82 PathProgramCache]: Analyzing trace with hash 214341815, now seen corresponding path program 12 times [2021-02-23 22:38:16,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:38:16,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1071419416] [2021-02-23 22:38:16,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:38:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:17,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:38:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:38:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,166 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:17,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:17,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:17,259 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:17,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:17,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:17,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:17,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:17,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:38:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 22:38:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:38:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 22:38:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 22:38:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-23 22:38:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:38:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 22:38:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 22:38:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 22:38:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-23 22:38:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-02-23 22:38:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,532 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:38:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 22:38:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 22:38:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 22:38:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,592 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-23 22:38:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-23 22:38:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:17,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:17,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:17,851 INFO L134 CoverageAnalysis]: Checked inductivity of 5840 backedges. 323 proven. 570 refuted. 0 times theorem prover too weak. 4947 trivial. 0 not checked. [2021-02-23 22:38:17,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1071419416] [2021-02-23 22:38:17,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:38:17,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-02-23 22:38:17,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079020543] [2021-02-23 22:38:17,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 22:38:17,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:38:17,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 22:38:17,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-02-23 22:38:17,853 INFO L87 Difference]: Start difference. First operand 287 states and 424 transitions. Second operand 9 states. [2021-02-23 22:38:18,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:38:18,468 INFO L93 Difference]: Finished difference Result 293 states and 429 transitions. [2021-02-23 22:38:18,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-23 22:38:18,469 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 424 [2021-02-23 22:38:18,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:38:18,473 INFO L225 Difference]: With dead ends: 293 [2021-02-23 22:38:18,473 INFO L226 Difference]: Without dead ends: 287 [2021-02-23 22:38:18,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2021-02-23 22:38:18,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-02-23 22:38:18,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 263. [2021-02-23 22:38:18,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2021-02-23 22:38:18,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 368 transitions. [2021-02-23 22:38:18,549 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 368 transitions. Word has length 424 [2021-02-23 22:38:18,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:38:18,550 INFO L480 AbstractCegarLoop]: Abstraction has 263 states and 368 transitions. [2021-02-23 22:38:18,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 22:38:18,550 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 368 transitions. [2021-02-23 22:38:18,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2021-02-23 22:38:18,553 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:38:18,554 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] [2021-02-23 22:38:18,554 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-02-23 22:38:18,554 INFO L428 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:38:18,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:38:18,555 INFO L82 PathProgramCache]: Analyzing trace with hash -618303451, now seen corresponding path program 13 times [2021-02-23 22:38:18,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:38:18,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [348820659] [2021-02-23 22:38:18,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:38:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:18,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:18,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:18,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:18,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:18,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:18,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:18,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:38:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:18,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:18,705 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:18,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:38:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:18,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:18,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:18,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:18,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:38:18,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:18,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:18,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:18,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:18,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:18,875 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:18,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:38:18,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:18,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:18,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:18,903 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:18,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:18,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:18,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:18,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:18,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:18,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:18,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:18,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:38:18,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:18,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:18,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:18,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:18,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:18,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:18,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:18,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:18,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:18,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:18,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:18,972 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:38:18,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:18,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:18,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:19,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:19,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:19,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:38:19,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:38:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 22:38:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:38:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 22:38:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 22:38:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-02-23 22:38:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:38:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 22:38:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 22:38:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 22:38:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-02-23 22:38:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,275 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 22:38:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 22:38:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 22:38:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 22:38:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 22:38:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,324 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-23 22:38:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-23 22:38:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:38:19,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:38:19,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:38:19,595 INFO L134 CoverageAnalysis]: Checked inductivity of 5518 backedges. 330 proven. 1340 refuted. 0 times theorem prover too weak. 3848 trivial. 0 not checked. [2021-02-23 22:38:19,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [348820659] [2021-02-23 22:38:19,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:38:19,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2021-02-23 22:38:19,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159207426] [2021-02-23 22:38:19,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-23 22:38:19,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:38:19,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-23 22:38:19,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-02-23 22:38:19,597 INFO L87 Difference]: Start difference. First operand 263 states and 368 transitions. Second operand 12 states. [2021-02-23 22:38:20,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:38:20,355 INFO L93 Difference]: Finished difference Result 487 states and 766 transitions. [2021-02-23 22:38:20,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 22:38:20,356 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 415 [2021-02-23 22:38:20,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:38:20,361 INFO L225 Difference]: With dead ends: 487 [2021-02-23 22:38:20,361 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 22:38:20,369 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 [2021-02-23 22:38:20,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 22:38:20,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 22:38:20,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 22:38:20,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 22:38:20,370 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 415 [2021-02-23 22:38:20,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:38:20,371 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 22:38:20,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-23 22:38:20,371 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 22:38:20,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 22:38:20,371 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-02-23 22:38:20,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 22:38:28,418 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 102 [2021-02-23 22:38:28,759 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 92 [2021-02-23 22:38:29,049 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 104 [2021-02-23 22:38:29,302 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 119 [2021-02-23 22:38:32,145 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 121 [2021-02-23 22:38:35,763 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 92 [2021-02-23 22:38:35,904 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 92 [2021-02-23 22:38:36,534 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 122 [2021-02-23 22:38:36,694 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-23 22:38:36,833 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 133 [2021-02-23 22:38:37,153 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:38:37,273 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-23 22:38:37,403 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-23 22:38:37,637 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 162 [2021-02-23 22:38:38,082 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 165 [2021-02-23 22:38:38,198 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-23 22:38:38,331 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 22:38:38,464 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 22:38:38,672 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-23 22:38:38,892 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 144 [2021-02-23 22:38:39,076 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 152 [2021-02-23 22:38:39,271 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-23 22:38:39,386 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 115 [2021-02-23 22:38:39,805 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-23 22:38:40,014 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-23 22:38:40,143 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-23 22:38:40,365 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-23 22:38:40,496 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-23 22:38:40,760 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:38:40,929 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:38:41,191 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:38:41,305 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-23 22:38:41,462 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:38:41,747 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-23 22:38:41,952 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-23 22:38:42,065 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-23 22:38:42,283 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-23 22:38:42,420 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 136 [2021-02-23 22:38:42,549 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-23 22:38:42,861 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-23 22:38:43,018 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-23 22:38:43,241 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-23 22:38:43,361 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-23 22:38:43,681 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:38:43,817 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:38:43,980 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-23 22:38:44,110 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-23 22:38:44,242 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-23 22:38:44,366 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 130 [2021-02-23 22:38:44,479 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-23 22:38:44,596 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 122 [2021-02-23 22:38:44,742 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:38:44,876 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-23 22:38:45,014 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:38:45,232 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:38:45,406 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:38:45,618 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 144 [2021-02-23 22:38:45,754 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 117 [2021-02-23 22:38:45,890 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:38:45,993 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-23 22:38:46,130 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:38:46,370 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 123 [2021-02-23 22:38:46,487 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-23 22:38:46,693 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-23 22:38:46,907 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-23 22:38:47,228 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-23 22:38:47,364 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:38:47,503 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:38:47,711 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 125 [2021-02-23 22:38:47,939 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 144 [2021-02-23 22:38:48,129 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 137 [2021-02-23 22:38:48,361 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:38:48,496 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:38:48,650 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:38:48,790 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-23 22:38:49,014 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-23 22:38:49,218 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-23 22:38:49,693 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-23 22:38:49,830 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 22:38:50,029 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 130 [2021-02-23 22:38:50,162 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 22:38:50,273 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 113 [2021-02-23 22:38:50,387 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-23 22:38:50,607 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-23 22:38:50,743 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:38:50,914 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:38:51,085 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:38:51,255 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:38:51,387 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-23 22:38:51,535 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:38:51,671 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:38:51,807 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:38:51,923 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 112 [2021-02-23 22:38:52,033 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 112 [2021-02-23 22:38:52,246 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-23 22:38:52,379 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 115 [2021-02-23 22:38:52,515 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 132 [2021-02-23 22:38:52,721 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-23 22:38:52,875 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:38:53,041 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 122 [2021-02-23 22:38:53,241 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 22:38:53,376 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 22:38:53,584 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-23 22:38:53,735 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 132 [2021-02-23 22:38:53,853 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-23 22:38:53,973 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-23 22:38:54,178 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-23 22:38:54,418 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:38:54,813 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 22:38:54,966 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 22:38:55,368 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 141 [2021-02-23 22:38:55,624 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 141 [2021-02-23 22:38:55,762 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-23 22:38:55,940 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 122 [2021-02-23 22:38:56,072 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-23 22:38:56,243 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 122 [2021-02-23 22:38:56,403 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-23 22:38:56,542 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 133 [2021-02-23 22:38:56,705 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 113 [2021-02-23 22:38:56,861 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:38:56,978 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-23 22:38:57,107 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-23 22:38:57,343 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 162 [2021-02-23 22:38:57,791 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 165 [2021-02-23 22:38:57,907 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-23 22:38:58,042 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 22:38:58,218 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 22:38:58,431 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-23 22:38:58,650 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 144 [2021-02-23 22:38:58,837 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 152 [2021-02-23 22:38:59,034 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-23 22:38:59,151 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 115 [2021-02-23 22:38:59,566 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-23 22:38:59,775 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-23 22:38:59,904 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-23 22:39:00,134 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-23 22:39:00,271 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-23 22:39:00,534 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:39:00,706 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:39:00,972 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:39:01,087 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-23 22:39:01,250 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:39:01,537 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-23 22:39:01,746 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-23 22:39:01,860 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-23 22:39:02,082 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-23 22:39:02,215 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 136 [2021-02-23 22:39:02,345 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-23 22:39:02,658 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-23 22:39:02,817 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-23 22:39:03,044 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-23 22:39:03,160 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-23 22:39:03,478 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:39:03,615 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:39:03,776 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-23 22:39:03,909 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-23 22:39:04,040 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-23 22:39:04,164 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 130 [2021-02-23 22:39:04,277 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-23 22:39:04,391 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 122 [2021-02-23 22:39:04,528 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:39:04,661 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-23 22:39:04,800 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:39:05,012 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:39:05,189 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:39:05,399 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 144 [2021-02-23 22:39:05,534 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 117 [2021-02-23 22:39:05,672 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:39:05,908 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:39:06,153 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 123 [2021-02-23 22:39:06,271 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-23 22:39:06,478 WARN L202 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-23 22:39:06,688 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-23 22:39:07,117 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:39:07,253 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:39:07,391 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 125 [2021-02-23 22:39:07,614 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 144 [2021-02-23 22:39:07,805 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 137 [2021-02-23 22:39:08,038 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:39:08,174 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:39:08,330 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:39:08,469 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-23 22:39:08,696 WARN L202 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-23 22:39:08,902 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-23 22:39:09,378 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-23 22:39:09,511 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 22:39:09,708 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 130 [2021-02-23 22:39:09,842 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 22:39:09,954 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 113 [2021-02-23 22:39:10,071 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-23 22:39:10,285 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-23 22:39:10,424 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:39:10,595 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:39:10,767 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:39:10,942 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:39:11,071 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-23 22:39:11,220 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:39:11,356 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:39:11,492 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:39:11,609 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 112 [2021-02-23 22:39:11,719 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 112 [2021-02-23 22:39:11,821 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-23 22:39:12,065 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 115 [2021-02-23 22:39:12,216 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 132 [2021-02-23 22:39:12,421 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-23 22:39:12,575 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-23 22:39:12,743 WARN L202 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 122 [2021-02-23 22:39:12,942 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 22:39:13,076 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 22:39:13,283 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-23 22:39:13,431 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 132 [2021-02-23 22:39:13,553 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-23 22:39:13,669 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-23 22:39:13,873 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-23 22:39:14,113 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 22:39:14,511 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 22:39:14,655 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 22:39:14,833 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-23 22:39:15,051 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 141 [2021-02-23 22:39:15,302 WARN L202 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 141 [2021-02-23 22:39:15,441 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-23 22:39:15,616 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 122 [2021-02-23 22:39:15,746 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-23 22:39:16,412 WARN L202 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 188 [2021-02-23 22:39:16,738 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-23 22:39:17,015 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 157 [2021-02-23 22:39:17,539 WARN L202 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 161 [2021-02-23 22:39:17,738 WARN L202 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-23 22:39:18,026 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-23 22:39:18,248 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-23 22:39:18,514 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-23 22:39:19,450 WARN L202 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 240 [2021-02-23 22:39:19,701 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-23 22:39:21,412 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 436 DAG size of output: 280 [2021-02-23 22:39:21,786 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-23 22:39:22,213 WARN L202 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 22:39:22,646 WARN L202 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 22:39:23,397 WARN L202 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-23 22:39:24,129 WARN L202 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 206 [2021-02-23 22:39:24,537 WARN L202 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 202 [2021-02-23 22:39:24,787 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-23 22:39:25,028 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-23 22:39:25,253 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 123 [2021-02-23 22:39:25,515 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-23 22:39:25,785 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-23 22:39:26,271 WARN L202 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 161 [2021-02-23 22:39:26,698 WARN L202 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-23 22:39:27,435 WARN L202 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-23 22:39:27,677 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-23 22:39:27,865 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 107 [2021-02-23 22:39:28,121 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 154 [2021-02-23 22:39:28,361 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-23 22:39:28,802 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 144 [2021-02-23 22:39:29,067 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-23 22:39:29,506 WARN L202 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:39:29,869 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 150 [2021-02-23 22:39:30,089 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-23 22:39:30,378 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-23 22:39:30,751 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-23 22:39:31,047 WARN L202 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 150 [2021-02-23 22:39:31,183 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 120 [2021-02-23 22:39:31,613 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-23 22:39:32,042 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-23 22:39:32,414 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-23 22:39:32,923 WARN L202 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-23 22:39:33,530 WARN L202 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 193 [2021-02-23 22:39:33,774 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-23 22:39:34,026 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-23 22:39:34,210 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 143 [2021-02-23 22:39:34,539 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-23 22:39:34,875 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-23 22:39:35,138 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-23 22:39:35,461 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-23 22:39:35,694 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-23 22:39:35,891 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-23 22:39:36,155 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-23 22:39:36,447 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 150 [2021-02-23 22:39:36,876 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:39:37,340 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-23 22:39:37,610 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-23 22:39:37,877 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-23 22:39:38,130 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 154 [2021-02-23 22:39:38,505 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-23 22:39:38,887 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 162 [2021-02-23 22:39:39,321 WARN L202 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:39:39,566 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-23 22:39:39,987 WARN L202 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:39:40,111 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 120 [2021-02-23 22:39:40,391 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-23 22:39:40,737 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-23 22:39:41,476 WARN L202 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 206 [2021-02-23 22:39:42,221 WARN L202 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 216 [2021-02-23 22:39:42,645 WARN L202 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:39:42,860 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 22:39:43,284 WARN L202 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:39:43,493 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 22:39:44,233 WARN L202 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 209 [2021-02-23 22:39:44,455 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-23 22:39:44,936 WARN L202 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-23 22:39:45,691 WARN L202 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-23 22:39:45,901 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 22:39:46,107 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 152 [2021-02-23 22:39:46,370 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 22:39:46,795 WARN L202 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:39:47,237 WARN L202 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:39:47,519 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 151 [2021-02-23 22:39:48,303 WARN L202 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 206 [2021-02-23 22:39:49,133 WARN L202 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 221 [2021-02-23 22:39:49,711 WARN L202 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 155 [2021-02-23 22:39:50,136 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:39:50,559 WARN L202 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:39:50,845 WARN L202 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-23 22:39:51,104 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-23 22:39:51,646 WARN L202 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-23 22:39:52,075 WARN L202 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-23 22:39:52,337 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-23 22:39:52,583 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 133 [2021-02-23 22:39:52,837 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 133 [2021-02-23 22:39:53,105 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-23 22:39:53,840 WARN L202 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-23 22:39:54,283 WARN L202 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 22:39:54,644 WARN L202 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 129 [2021-02-23 22:39:54,930 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 154 [2021-02-23 22:39:55,359 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 22:39:55,742 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 159 [2021-02-23 22:39:56,118 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-23 22:39:56,602 WARN L202 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 139 [2021-02-23 22:39:56,854 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-23 22:39:57,278 WARN L202 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:39:57,632 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-23 22:39:57,987 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-23 22:39:58,337 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-23 22:39:58,608 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-23 22:39:59,050 WARN L202 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:39:59,472 WARN L202 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:39:59,897 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:40:00,279 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 157 [2021-02-23 22:40:00,653 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 157 [2021-02-23 22:40:00,863 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 22:40:01,102 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 22:40:01,376 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 123 [2021-02-23 22:40:01,828 WARN L202 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 174 [2021-02-23 22:40:02,332 WARN L202 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-23 22:40:02,613 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-23 22:40:03,286 WARN L202 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 188 [2021-02-23 22:40:03,857 WARN L202 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 164 [2021-02-23 22:40:04,378 WARN L202 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 22:40:04,822 WARN L202 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 22:40:05,619 WARN L202 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-23 22:40:06,084 WARN L202 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 174 [2021-02-23 22:40:06,310 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-23 22:40:06,533 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-23 22:40:06,982 WARN L202 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-23 22:40:07,203 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 22:40:07,629 WARN L202 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:40:07,825 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-23 22:40:08,075 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-23 22:40:08,266 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-23 22:40:08,705 WARN L202 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 22:40:09,162 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 22:40:09,436 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-23 22:40:09,649 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 22:40:10,552 WARN L202 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 227 [2021-02-23 22:40:10,796 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 133 [2021-02-23 22:40:11,615 WARN L202 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 227 [2021-02-23 22:40:11,897 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-23 22:40:12,301 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 142 [2021-02-23 22:40:12,746 WARN L202 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 170 [2021-02-23 22:40:12,987 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-23 22:40:13,635 WARN L202 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 188 [2021-02-23 22:40:13,971 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-23 22:40:14,250 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 157 [2021-02-23 22:40:14,772 WARN L202 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 161 [2021-02-23 22:40:14,968 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-23 22:40:15,248 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-23 22:40:15,470 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-23 22:40:15,744 WARN L202 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-23 22:40:16,697 WARN L202 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 240 [2021-02-23 22:40:16,959 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-23 22:40:18,693 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 436 DAG size of output: 280 [2021-02-23 22:40:19,064 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-23 22:40:19,498 WARN L202 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 22:40:19,925 WARN L202 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 22:40:20,665 WARN L202 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-23 22:40:21,408 WARN L202 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 206 [2021-02-23 22:40:21,816 WARN L202 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 202 [2021-02-23 22:40:22,075 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-23 22:40:22,324 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-23 22:40:22,549 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 123 [2021-02-23 22:40:22,811 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-23 22:40:23,077 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-23 22:40:23,560 WARN L202 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 161 [2021-02-23 22:40:23,994 WARN L202 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-23 22:40:24,759 WARN L202 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-23 22:40:25,000 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-23 22:40:25,186 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 107 [2021-02-23 22:40:25,445 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 154 [2021-02-23 22:40:25,692 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-23 22:40:26,126 WARN L202 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 144 [2021-02-23 22:40:26,402 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-23 22:40:26,825 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:40:27,193 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 150 [2021-02-23 22:40:27,414 WARN L202 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-23 22:40:27,692 WARN L202 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-23 22:40:28,062 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-23 22:40:28,359 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 150 [2021-02-23 22:40:28,495 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 120 [2021-02-23 22:40:28,923 WARN L202 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-23 22:40:29,354 WARN L202 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-23 22:40:29,724 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-23 22:40:30,235 WARN L202 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-23 22:40:30,854 WARN L202 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 193 [2021-02-23 22:40:31,102 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-23 22:40:31,362 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-23 22:40:31,548 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 143 [2021-02-23 22:40:31,879 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-23 22:40:32,213 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-23 22:40:32,477 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-23 22:40:32,807 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-23 22:40:33,029 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-23 22:40:33,223 WARN L202 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-23 22:40:33,484 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-23 22:40:33,777 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 150 [2021-02-23 22:40:34,201 WARN L202 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:40:34,663 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-23 22:40:34,929 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-23 22:40:35,197 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-23 22:40:35,452 WARN L202 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 154 [2021-02-23 22:40:35,821 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-23 22:40:36,215 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 162 [2021-02-23 22:40:36,641 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:40:36,894 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-23 22:40:37,326 WARN L202 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:40:37,451 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 120 [2021-02-23 22:40:37,734 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-23 22:40:38,089 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-23 22:40:38,839 WARN L202 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 206 [2021-02-23 22:40:39,584 WARN L202 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 216 [2021-02-23 22:40:40,010 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:40:40,219 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 22:40:40,658 WARN L202 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:40:40,868 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 22:40:41,615 WARN L202 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 209 [2021-02-23 22:40:41,837 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-23 22:40:42,321 WARN L202 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-23 22:40:43,072 WARN L202 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-23 22:40:43,289 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 22:40:43,495 WARN L202 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 152 [2021-02-23 22:40:43,747 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 22:40:44,184 WARN L202 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:40:44,608 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:40:44,890 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 151 [2021-02-23 22:40:45,647 WARN L202 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 206 [2021-02-23 22:40:46,495 WARN L202 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 221 [2021-02-23 22:40:47,075 WARN L202 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 155 [2021-02-23 22:40:47,497 WARN L202 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:40:47,929 WARN L202 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:40:48,211 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-23 22:40:48,471 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-23 22:40:49,001 WARN L202 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-23 22:40:49,431 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-23 22:40:49,695 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-23 22:40:49,936 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 133 [2021-02-23 22:40:50,192 WARN L202 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 133 [2021-02-23 22:40:50,461 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-23 22:40:51,218 WARN L202 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-23 22:40:51,651 WARN L202 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 22:40:52,011 WARN L202 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 129 [2021-02-23 22:40:52,295 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 154 [2021-02-23 22:40:52,729 WARN L202 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 22:40:53,119 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 159 [2021-02-23 22:40:53,489 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-23 22:40:53,966 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 139 [2021-02-23 22:40:54,207 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-23 22:40:54,630 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:40:54,982 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-23 22:40:55,334 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-23 22:40:55,693 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-23 22:40:55,961 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-23 22:40:56,405 WARN L202 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:40:56,832 WARN L202 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:40:57,257 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:40:57,641 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 157 [2021-02-23 22:40:58,020 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 157 [2021-02-23 22:40:58,233 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 22:40:58,476 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 22:40:58,746 WARN L202 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 123 [2021-02-23 22:40:59,200 WARN L202 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 174 [2021-02-23 22:40:59,683 WARN L202 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-23 22:40:59,962 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-23 22:41:00,617 WARN L202 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 188 [2021-02-23 22:41:01,168 WARN L202 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 164 [2021-02-23 22:41:01,601 WARN L202 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 22:41:02,030 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 22:41:02,781 WARN L202 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-23 22:41:03,245 WARN L202 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 174 [2021-02-23 22:41:03,471 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-23 22:41:03,698 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-23 22:41:04,127 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-23 22:41:04,347 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 22:41:04,776 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 22:41:04,970 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-23 22:41:05,219 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-23 22:41:05,416 WARN L202 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-23 22:41:05,843 WARN L202 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 22:41:06,311 WARN L202 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 22:41:06,583 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-23 22:41:06,792 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 22:41:07,682 WARN L202 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 227 [2021-02-23 22:41:07,925 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 133 [2021-02-23 22:41:08,751 WARN L202 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 227 [2021-02-23 22:41:09,021 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-23 22:41:09,424 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 142 [2021-02-23 22:41:09,879 WARN L202 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 170 [2021-02-23 22:41:10,120 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-23 22:41:10,468 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 189 [2021-02-23 22:41:10,612 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 111 [2021-02-23 22:41:10,744 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 99 [2021-02-23 22:41:10,974 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 145 [2021-02-23 22:41:11,081 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 22:41:11,221 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 100 [2021-02-23 22:41:11,337 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 84 [2021-02-23 22:41:11,463 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 84 [2021-02-23 22:41:11,920 WARN L202 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 184 [2021-02-23 22:41:12,082 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-23 22:41:12,984 WARN L202 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 184 [2021-02-23 22:41:13,223 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-23 22:41:13,483 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 22:41:13,741 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 22:41:14,130 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 200 [2021-02-23 22:41:14,515 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 202 [2021-02-23 22:41:14,680 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 151 [2021-02-23 22:41:14,843 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-23 22:41:14,971 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-23 22:41:15,093 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 82 [2021-02-23 22:41:15,262 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2021-02-23 22:41:15,430 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2021-02-23 22:41:15,626 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 139 [2021-02-23 22:41:15,800 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 120 [2021-02-23 22:41:16,199 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 200 [2021-02-23 22:41:16,326 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-23 22:41:16,568 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 89 [2021-02-23 22:41:16,697 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-23 22:41:16,898 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 129 [2021-02-23 22:41:17,076 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-23 22:41:17,333 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 22:41:17,517 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 102 [2021-02-23 22:41:17,647 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 22:41:17,791 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 100 [2021-02-23 22:41:18,027 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-23 22:41:18,170 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 102 [2021-02-23 22:41:18,417 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 120 [2021-02-23 22:41:18,597 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 120 [2021-02-23 22:41:18,832 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-23 22:41:19,055 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 126 [2021-02-23 22:41:19,292 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 155 [2021-02-23 22:41:19,420 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-23 22:41:19,583 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-23 22:41:19,786 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 111 [2021-02-23 22:41:19,930 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 111 [2021-02-23 22:41:20,100 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2021-02-23 22:41:20,244 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 111 [2021-02-23 22:41:20,365 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 84 [2021-02-23 22:41:20,470 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 22:41:20,638 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2021-02-23 22:41:20,782 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 102 [2021-02-23 22:41:21,038 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 22:41:21,344 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-23 22:41:21,471 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 84 [2021-02-23 22:41:21,597 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 84 [2021-02-23 22:41:21,718 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 97 [2021-02-23 22:41:21,954 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-23 22:41:22,201 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 132 [2021-02-23 22:41:22,459 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 22:41:22,590 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-23 22:41:22,848 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 22:41:23,049 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 100 [2021-02-23 22:41:23,200 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 111 [2021-02-23 22:41:23,591 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 202 [2021-02-23 22:41:23,944 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 181 [2021-02-23 22:41:24,205 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 22:41:24,311 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 22:41:24,568 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 22:41:24,674 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 22:41:25,059 WARN L202 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 166 [2021-02-23 22:41:25,175 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 84 [2021-02-23 22:41:25,374 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 126 [2021-02-23 22:41:25,778 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 200 [2021-02-23 22:41:25,884 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 22:41:26,123 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 22:41:26,381 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 22:41:26,641 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 22:41:26,796 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 89 [2021-02-23 22:41:27,197 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 202 [2021-02-23 22:41:27,643 WARN L202 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 170 [2021-02-23 22:41:27,934 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 139 [2021-02-23 22:41:28,192 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 22:41:28,454 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 22:41:28,606 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 100 [2021-02-23 22:41:28,750 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-23 22:41:28,986 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 126 [2021-02-23 22:41:29,165 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 120 [2021-02-23 22:41:29,333 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2021-02-23 22:41:29,496 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-23 22:41:29,665 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2021-02-23 22:41:29,849 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-23 22:41:30,250 WARN L202 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 200 [2021-02-23 22:41:30,510 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 22:41:30,668 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 112 [2021-02-23 22:41:30,812 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 97 [2021-02-23 22:41:31,065 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 22:41:31,309 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 132 [2021-02-23 22:41:31,543 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-23 22:41:31,777 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 124 [2021-02-23 22:41:31,905 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-23 22:41:32,162 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 22:41:32,312 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 111 [2021-02-23 22:41:32,464 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 111 [2021-02-23 22:41:32,615 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 111 [2021-02-23 22:41:32,745 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 84 [2021-02-23 22:41:33,016 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 22:41:33,276 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 22:41:33,541 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 22:41:33,790 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-23 22:41:34,024 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-23 22:41:34,130 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 22:41:34,262 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 22:41:34,423 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 82 [2021-02-23 22:41:34,693 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 134 [2021-02-23 22:41:34,893 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 126 [2021-02-23 22:41:35,035 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 100 [2021-02-23 22:41:35,388 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 189 [2021-02-23 22:41:35,635 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 149 [2021-02-23 22:41:35,892 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 22:41:36,153 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 22:41:36,546 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 200 [2021-02-23 22:41:36,829 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 134 [2021-02-23 22:41:36,951 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 84 [2021-02-23 22:41:37,071 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 84 [2021-02-23 22:41:37,246 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 120 [2021-02-23 22:41:37,359 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 22:41:37,618 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 22:41:37,725 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 22:41:37,887 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-23 22:41:37,994 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 22:41:38,253 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 22:41:38,534 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 22:41:38,716 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-23 22:41:38,833 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 22:41:39,328 WARN L202 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 174 [2021-02-23 22:41:39,491 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-23 22:41:39,921 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 174 [2021-02-23 22:41:40,047 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 84 [2021-02-23 22:41:40,217 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 127 [2021-02-23 22:41:40,485 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 134 [2021-02-23 22:41:40,617 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-23 22:41:41,444 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 117 [2021-02-23 22:41:41,699 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 129 [2021-02-23 22:41:43,965 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 113 [2021-02-23 22:41:46,982 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 110 [2021-02-23 22:41:47,741 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 104 [2021-02-23 22:41:47,994 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 119 [2021-02-23 22:41:50,746 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 121 [2021-02-23 22:41:54,283 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 92 [2021-02-23 22:41:54,425 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 92 [2021-02-23 22:41:54,793 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 11 [2021-02-23 22:41:55,268 WARN L202 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 26 [2021-02-23 22:41:55,809 WARN L202 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 26 [2021-02-23 22:41:56,371 WARN L202 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 32 [2021-02-23 22:41:56,630 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 10 [2021-02-23 22:41:56,753 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 18 [2021-02-23 22:41:56,897 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 7 [2021-02-23 22:41:57,012 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 14 [2021-02-23 22:41:57,124 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 14 [2021-02-23 22:42:01,290 WARN L202 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 259 DAG size of output: 75 [2021-02-23 22:42:01,544 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 10 [2021-02-23 22:42:09,866 WARN L202 SmtUtils]: Spent 8.30 s on a formula simplification. DAG size of input: 514 DAG size of output: 62 [2021-02-23 22:42:18,237 WARN L202 SmtUtils]: Spent 8.35 s on a formula simplification. DAG size of input: 514 DAG size of output: 62 [2021-02-23 22:42:32,643 WARN L202 SmtUtils]: Spent 14.38 s on a formula simplification. DAG size of input: 872 DAG size of output: 80 [2021-02-23 22:42:47,081 WARN L202 SmtUtils]: Spent 14.41 s on a formula simplification. DAG size of input: 872 DAG size of output: 80 [2021-02-23 22:42:56,137 WARN L202 SmtUtils]: Spent 9.04 s on a formula simplification. DAG size of input: 528 DAG size of output: 83 [2021-02-23 22:42:56,264 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 3 [2021-02-23 22:42:56,387 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 15 [2021-02-23 22:42:56,650 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 9 [2021-02-23 22:43:00,853 WARN L202 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 257 DAG size of output: 69 [2021-02-23 22:43:05,158 WARN L202 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 259 DAG size of output: 75 [2021-02-23 22:43:05,164 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-23 22:43:05,164 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-23 22:43:05,164 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-23 22:43:05,165 INFO L192 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: true [2021-02-23 22:43:05,165 INFO L192 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: true [2021-02-23 22:43:05,165 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 22:43:05,165 INFO L192 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: true [2021-02-23 22:43:05,165 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-23 22:43:05,166 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 3) the Hoare annotation is: true [2021-02-23 22:43:05,166 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2021-02-23 22:43:05,166 INFO L192 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: true [2021-02-23 22:43:05,166 INFO L192 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: true [2021-02-23 22:43:05,166 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-23 22:43:05,166 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-23 22:43:05,166 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 22:43:05,167 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 22:43:05,167 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-23 22:43:05,167 INFO L192 CegarLoopUtils]: At program point L29(lines 29 33) the Hoare annotation is: true [2021-02-23 22:43:05,167 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 27 47) the Hoare annotation is: true [2021-02-23 22:43:05,167 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 27 47) the Hoare annotation is: true [2021-02-23 22:43:05,167 INFO L185 CegarLoopUtils]: At program point L42(lines 42 46) the Hoare annotation is: (or (<= 3 main_~m~0) (and (< 6 main_~result~0) (<= main_~result~0 7)) (<= main_~m~0 1) (<= 3 main_~n~0) (<= main_~n~0 1)) [2021-02-23 22:43:05,167 INFO L192 CegarLoopUtils]: At program point L34(line 34) the Hoare annotation is: true [2021-02-23 22:43:05,167 INFO L192 CegarLoopUtils]: At program point L34-1(line 34) the Hoare annotation is: true [2021-02-23 22:43:05,167 INFO L192 CegarLoopUtils]: At program point L32(line 32) the Hoare annotation is: true [2021-02-23 22:43:05,167 INFO L192 CegarLoopUtils]: At program point L34-2(line 34) the Hoare annotation is: true [2021-02-23 22:43:05,167 INFO L185 CegarLoopUtils]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 45) the Hoare annotation is: false [2021-02-23 22:43:05,167 INFO L192 CegarLoopUtils]: At program point mainENTRY(lines 27 47) the Hoare annotation is: true [2021-02-23 22:43:05,167 INFO L192 CegarLoopUtils]: At program point L28(line 28) the Hoare annotation is: true [2021-02-23 22:43:05,168 INFO L192 CegarLoopUtils]: At program point L28-1(line 28) the Hoare annotation is: true [2021-02-23 22:43:05,168 INFO L185 CegarLoopUtils]: At program point L45(line 45) the Hoare annotation is: false [2021-02-23 22:43:05,168 INFO L185 CegarLoopUtils]: At program point L45-1(line 45) the Hoare annotation is: false [2021-02-23 22:43:05,168 INFO L192 CegarLoopUtils]: At program point L43(line 43) the Hoare annotation is: true [2021-02-23 22:43:05,168 INFO L192 CegarLoopUtils]: At program point L41(line 41) the Hoare annotation is: true [2021-02-23 22:43:05,168 INFO L185 CegarLoopUtils]: At program point L41-1(line 41) the Hoare annotation is: (or (<= 3 main_~m~0) (and (<= 7 |main_#t~ret12|) (<= |main_#t~ret12| 7)) (<= main_~m~0 1) (<= 3 main_~n~0) (<= main_~n~0 1)) [2021-02-23 22:43:05,168 INFO L192 CegarLoopUtils]: At program point L39(line 39) the Hoare annotation is: true [2021-02-23 22:43:05,168 INFO L185 CegarLoopUtils]: At program point L41-2(line 41) the Hoare annotation is: (or (<= 3 main_~m~0) (and (<= 7 |main_#t~ret12|) (<= |main_#t~ret12| 7)) (<= main_~m~0 1) (<= 3 main_~n~0) (<= main_~n~0 1)) [2021-02-23 22:43:05,168 INFO L185 CegarLoopUtils]: At program point L41-3(line 41) the Hoare annotation is: (or (<= 3 main_~m~0) (and (<= 7 |main_#t~ret12|) (<= |main_#t~ret12| 7) (< 6 main_~result~0) (<= main_~result~0 7)) (<= main_~m~0 1) (<= 3 main_~n~0) (<= main_~n~0 1)) [2021-02-23 22:43:05,168 INFO L192 CegarLoopUtils]: At program point L35(lines 35 40) the Hoare annotation is: true [2021-02-23 22:43:05,169 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))) [2021-02-23 22:43:05,169 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|)) [2021-02-23 22:43:05,170 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)))) [2021-02-23 22:43:05,170 INFO L192 CegarLoopUtils]: At program point ackermannENTRY(lines 16 24) the Hoare annotation is: true [2021-02-23 22:43:05,170 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|)) [2021-02-23 22:43:05,170 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)))) [2021-02-23 22:43:05,170 INFO L185 CegarLoopUtils]: At program point L20(lines 20 22) the Hoare annotation is: (and (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|) (not (= |ackermann_#in~m| 0))) [2021-02-23 22:43:05,170 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|))))) [2021-02-23 22:43:05,170 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))))) [2021-02-23 22:43:05,171 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|))))) [2021-02-23 22:43:05,171 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))))) [2021-02-23 22:43:05,171 INFO L185 CegarLoopUtils]: At program point L18(line 18) the Hoare annotation is: (and (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|) (= |ackermann_#in~m| 0)) [2021-02-23 22:43:05,171 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)))) [2021-02-23 22:43:05,171 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)))))) [2021-02-23 22:43:05,172 INFO L185 CegarLoopUtils]: At program point L17(lines 17 19) the Hoare annotation is: (and (= ackermann_~m |ackermann_#in~m|) (= ackermann_~n |ackermann_#in~n|)) [2021-02-23 22:43:05,172 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)))) [2021-02-23 22:43:05,172 INFO L185 CegarLoopUtils]: At program point L16(lines 16 24) the Hoare annotation is: (= ackermann_~m |ackermann_#in~m|) [2021-02-23 22:43:05,172 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))) [2021-02-23 22:43:05,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 10:43:05 BoogieIcfgContainer [2021-02-23 22:43:05,204 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 22:43:05,205 INFO L168 Benchmark]: Toolchain (without parser) took 338623.18 ms. Allocated memory was 153.1 MB in the beginning and 1.0 GB in the end (delta: 857.7 MB). Free memory was 129.2 MB in the beginning and 903.9 MB in the end (delta: -774.8 MB). Peak memory consumption was 633.7 MB. Max. memory is 8.0 GB. [2021-02-23 22:43:05,205 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 153.1 MB. Free memory was 127.9 MB in the beginning and 127.8 MB in the end (delta: 99.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 22:43:05,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.11 ms. Allocated memory is still 153.1 MB. Free memory was 127.9 MB in the beginning and 118.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-23 22:43:05,206 INFO L168 Benchmark]: Boogie Preprocessor took 36.78 ms. Allocated memory is still 153.1 MB. Free memory was 118.6 MB in the beginning and 117.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-23 22:43:05,206 INFO L168 Benchmark]: RCFGBuilder took 648.15 ms. Allocated memory is still 153.1 MB. Free memory was 117.1 MB in the beginning and 100.6 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-02-23 22:43:05,206 INFO L168 Benchmark]: TraceAbstraction took 337682.37 ms. Allocated memory was 153.1 MB in the beginning and 1.0 GB in the end (delta: 857.7 MB). Free memory was 100.1 MB in the beginning and 903.9 MB in the end (delta: -803.9 MB). Peak memory consumption was 604.4 MB. Max. memory is 8.0 GB. [2021-02-23 22:43:05,207 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 153.1 MB. Free memory was 127.9 MB in the beginning and 127.8 MB in the end (delta: 99.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 238.11 ms. Allocated memory is still 153.1 MB. Free memory was 127.9 MB in the beginning and 118.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 36.78 ms. Allocated memory is still 153.1 MB. Free memory was 118.6 MB in the beginning and 117.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 648.15 ms. Allocated memory is still 153.1 MB. Free memory was 117.1 MB in the beginning and 100.6 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 337682.37 ms. Allocated memory was 153.1 MB in the beginning and 1.0 GB in the end (delta: 857.7 MB). Free memory was 100.1 MB in the beginning and 903.9 MB in the end (delta: -803.9 MB). Peak memory consumption was 604.4 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: 52.7s, OverallIterations: 15, TraceHistogramMax: 42, AutomataDifference: 39.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 284.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 859 SDtfs, 2243 SDslu, 1624 SDs, 0 SdLazy, 11870 SolverSat, 2030 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1446 GetRequests, 787 SyntacticMatches, 0 SemanticMatches, 659 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13650 ImplicationChecksByTransitivity, 28.1s 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, 214.0s HoareSimplificationTime, 53 FomulaSimplificationsInter, 25311364 FormulaSimplificationTreeSizeReductionInter, 70.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 10.1s InterpolantComputationTime, 3376 NumberOfCodeBlocks, 3376 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3361 ConstructedInterpolants, 0 QuantifiedInterpolants, 1781217 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 1 PerfectInterpolantSequences, 23375/30035 InterpolantCoveringCapability, 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...