/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label01.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 23:23:23,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 23:23:23,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 23:23:23,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 23:23:23,732 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 23:23:23,750 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 23:23:23,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 23:23:23,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 23:23:23,755 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 23:23:23,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 23:23:23,755 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 23:23:23,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 23:23:23,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 23:23:23,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 23:23:23,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 23:23:23,758 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 23:23:23,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 23:23:23,758 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 23:23:23,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 23:23:23,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 23:23:23,759 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 23:23:23,759 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 23:23:23,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 23:23:23,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:23:23,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 23:23:23,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 23:23:23,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 23:23:23,760 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 23:23:24,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 23:23:24,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 23:23:24,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 23:23:24,260 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 23:23:24,260 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 23:23:24,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label01.c [2021-02-23 23:23:24,349 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8740e2dc/1db014a33edd4b7b9d21e43ea38590a6/FLAGfa9c05c49 [2021-02-23 23:23:25,052 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 23:23:25,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label01.c [2021-02-23 23:23:25,089 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8740e2dc/1db014a33edd4b7b9d21e43ea38590a6/FLAGfa9c05c49 [2021-02-23 23:23:25,296 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8740e2dc/1db014a33edd4b7b9d21e43ea38590a6 [2021-02-23 23:23:25,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 23:23:25,313 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 23:23:25,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 23:23:25,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 23:23:25,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 23:23:25,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:23:25" (1/1) ... [2021-02-23 23:23:25,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36f0b74a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:23:25, skipping insertion in model container [2021-02-23 23:23:25,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:23:25" (1/1) ... [2021-02-23 23:23:25,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 23:23:25,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 23:23:25,746 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label01.c[18261,18274] [2021-02-23 23:23:25,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:23:25,802 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 23:23:25,940 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label01.c[18261,18274] [2021-02-23 23:23:25,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:23:25,996 INFO L208 MainTranslator]: Completed translation [2021-02-23 23:23:25,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:23:25 WrapperNode [2021-02-23 23:23:25,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 23:23:25,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 23:23:25,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 23:23:25,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 23:23:26,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:23:25" (1/1) ... [2021-02-23 23:23:26,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:23:25" (1/1) ... [2021-02-23 23:23:26,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:23:25" (1/1) ... [2021-02-23 23:23:26,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:23:25" (1/1) ... [2021-02-23 23:23:26,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:23:25" (1/1) ... [2021-02-23 23:23:26,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:23:25" (1/1) ... [2021-02-23 23:23:26,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:23:25" (1/1) ... [2021-02-23 23:23:26,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 23:23:26,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 23:23:26,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 23:23:26,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 23:23:26,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:23:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:23:26,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 23:23:26,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 23:23:26,316 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 23:23:26,316 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-23 23:23:26,316 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 23:23:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-23 23:23:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 23:23:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 23:23:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 23:23:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 23:23:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 23:23:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-23 23:23:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 23:23:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 23:23:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 23:23:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 23:23:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 23:23:26,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 23:23:26,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 23:23:27,804 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 23:23:27,805 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-23 23:23:27,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:23:27 BoogieIcfgContainer [2021-02-23 23:23:27,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 23:23:27,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 23:23:27,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 23:23:27,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 23:23:27,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 11:23:25" (1/3) ... [2021-02-23 23:23:27,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@349bfce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:23:27, skipping insertion in model container [2021-02-23 23:23:27,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:23:25" (2/3) ... [2021-02-23 23:23:27,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@349bfce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:23:27, skipping insertion in model container [2021-02-23 23:23:27,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:23:27" (3/3) ... [2021-02-23 23:23:27,817 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label01.c [2021-02-23 23:23:27,824 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 23:23:27,830 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 23:23:27,849 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 23:23:27,875 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 23:23:27,875 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 23:23:27,875 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 23:23:27,875 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 23:23:27,875 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 23:23:27,876 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 23:23:27,876 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 23:23:27,876 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 23:23:27,905 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states. [2021-02-23 23:23:27,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-02-23 23:23:27,932 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:23:27,933 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:23:27,934 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:23:27,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:23:27,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1788186071, now seen corresponding path program 1 times [2021-02-23 23:23:27,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:23:27,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [870417515] [2021-02-23 23:23:27,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:23:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:28,526 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-23 23:23:28,528 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-23 23:23:28,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:28,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:23:28,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:28,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:23:28,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:28,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:23:28,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:23:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:28,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:28,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:23:28,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:28,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:23:28,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:23:28,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [870417515] [2021-02-23 23:23:28,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:23:28,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 23:23:28,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24084388] [2021-02-23 23:23:28,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 23:23:28,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:23:28,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 23:23:28,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 23:23:28,867 INFO L87 Difference]: Start difference. First operand 536 states. Second operand 5 states. [2021-02-23 23:23:31,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:23:31,447 INFO L93 Difference]: Finished difference Result 1214 states and 1660 transitions. [2021-02-23 23:23:31,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 23:23:31,449 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2021-02-23 23:23:31,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:23:31,486 INFO L225 Difference]: With dead ends: 1214 [2021-02-23 23:23:31,487 INFO L226 Difference]: Without dead ends: 635 [2021-02-23 23:23:31,501 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-02-23 23:23:31,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2021-02-23 23:23:31,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 621. [2021-02-23 23:23:31,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2021-02-23 23:23:31,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 782 transitions. [2021-02-23 23:23:31,744 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 782 transitions. Word has length 147 [2021-02-23 23:23:31,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:23:31,745 INFO L480 AbstractCegarLoop]: Abstraction has 621 states and 782 transitions. [2021-02-23 23:23:31,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 23:23:31,745 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 782 transitions. [2021-02-23 23:23:31,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-02-23 23:23:31,753 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:23:31,753 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:23:31,753 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 23:23:31,754 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:23:31,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:23:31,755 INFO L82 PathProgramCache]: Analyzing trace with hash -892472125, now seen corresponding path program 1 times [2021-02-23 23:23:31,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:23:31,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [520731195] [2021-02-23 23:23:31,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:23:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:31,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:31,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:23:31,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:31,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:23:31,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:31,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:23:31,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:23:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:31,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:31,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:23:31,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:31,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:23:31,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:23:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:31,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:31,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:23:31,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:31,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:23:32,071 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:23:32,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [520731195] [2021-02-23 23:23:32,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:23:32,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 23:23:32,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580919811] [2021-02-23 23:23:32,075 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:23:32,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:23:32,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:23:32,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:23:32,081 INFO L87 Difference]: Start difference. First operand 621 states and 782 transitions. Second operand 7 states. [2021-02-23 23:23:34,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:23:34,897 INFO L93 Difference]: Finished difference Result 1699 states and 2207 transitions. [2021-02-23 23:23:34,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 23:23:34,898 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 173 [2021-02-23 23:23:34,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:23:34,907 INFO L225 Difference]: With dead ends: 1699 [2021-02-23 23:23:34,907 INFO L226 Difference]: Without dead ends: 1108 [2021-02-23 23:23:34,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:23:34,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2021-02-23 23:23:35,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 881. [2021-02-23 23:23:35,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 881 states. [2021-02-23 23:23:35,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1109 transitions. [2021-02-23 23:23:35,089 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1109 transitions. Word has length 173 [2021-02-23 23:23:35,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:23:35,098 INFO L480 AbstractCegarLoop]: Abstraction has 881 states and 1109 transitions. [2021-02-23 23:23:35,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:23:35,100 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1109 transitions. [2021-02-23 23:23:35,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-02-23 23:23:35,109 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:23:35,110 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:23:35,110 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 23:23:35,110 INFO L428 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:23:35,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:23:35,111 INFO L82 PathProgramCache]: Analyzing trace with hash 545024737, now seen corresponding path program 1 times [2021-02-23 23:23:35,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:23:35,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [235388623] [2021-02-23 23:23:35,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:23:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:35,210 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-23 23:23:35,211 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-23 23:23:35,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:35,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:23:35,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:35,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:23:35,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:23:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:35,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:35,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:23:35,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:35,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:23:35,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:23:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:35,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:35,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:23:35,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:35,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:23:35,409 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:23:35,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [235388623] [2021-02-23 23:23:35,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:23:35,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 23:23:35,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269186889] [2021-02-23 23:23:35,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:23:35,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:23:35,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:23:35,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:23:35,413 INFO L87 Difference]: Start difference. First operand 881 states and 1109 transitions. Second operand 8 states. [2021-02-23 23:23:38,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:23:38,831 INFO L93 Difference]: Finished difference Result 2762 states and 3772 transitions. [2021-02-23 23:23:38,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-23 23:23:38,831 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 181 [2021-02-23 23:23:38,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:23:38,850 INFO L225 Difference]: With dead ends: 2762 [2021-02-23 23:23:38,850 INFO L226 Difference]: Without dead ends: 1911 [2021-02-23 23:23:38,856 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2021-02-23 23:23:38,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1911 states. [2021-02-23 23:23:39,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1911 to 1678. [2021-02-23 23:23:39,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1678 states. [2021-02-23 23:23:39,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1678 states and 2180 transitions. [2021-02-23 23:23:39,309 INFO L78 Accepts]: Start accepts. Automaton has 1678 states and 2180 transitions. Word has length 181 [2021-02-23 23:23:39,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:23:39,310 INFO L480 AbstractCegarLoop]: Abstraction has 1678 states and 2180 transitions. [2021-02-23 23:23:39,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:23:39,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 2180 transitions. [2021-02-23 23:23:39,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-02-23 23:23:39,323 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:23:39,323 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:23:39,323 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 23:23:39,324 INFO L428 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:23:39,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:23:39,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1180195172, now seen corresponding path program 1 times [2021-02-23 23:23:39,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:23:39,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [36521039] [2021-02-23 23:23:39,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:23:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:39,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:39,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:23:39,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:39,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:23:39,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:39,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:23:39,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:39,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 23:23:39,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:39,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 23:23:39,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:39,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:23:39,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:23:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:39,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:39,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:23:39,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:39,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:23:39,688 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:23:39,689 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:23:39,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:23:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:39,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:39,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:23:39,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:39,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:23:39,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-23 23:23:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:39,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:39,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:23:39,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:39,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:23:39,782 WARN L141 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-02-23 23:23:39,783 WARN L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-02-23 23:23:39,797 WARN L141 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-02-23 23:23:39,798 WARN L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-02-23 23:23:39,815 WARN L141 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size [2021-02-23 23:23:39,816 WARN L147 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size 13 [2021-02-23 23:23:39,835 WARN L141 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size [2021-02-23 23:23:39,836 WARN L147 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size 16 [2021-02-23 23:23:39,856 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-23 23:23:39,857 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-23 23:23:40,088 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 33 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-02-23 23:23:40,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [36521039] [2021-02-23 23:23:40,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:23:40,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-02-23 23:23:40,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099972531] [2021-02-23 23:23:40,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-23 23:23:40,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:23:40,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-23 23:23:40,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-02-23 23:23:40,091 INFO L87 Difference]: Start difference. First operand 1678 states and 2180 transitions. Second operand 13 states. [2021-02-23 23:23:42,197 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2021-02-23 23:23:43,942 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2021-02-23 23:23:45,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:23:45,991 INFO L93 Difference]: Finished difference Result 5334 states and 7135 transitions. [2021-02-23 23:23:45,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-23 23:23:45,992 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 203 [2021-02-23 23:23:45,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:23:46,013 INFO L225 Difference]: With dead ends: 5334 [2021-02-23 23:23:46,014 INFO L226 Difference]: Without dead ends: 2576 [2021-02-23 23:23:46,028 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2021-02-23 23:23:46,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2576 states. [2021-02-23 23:23:46,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2576 to 2302. [2021-02-23 23:23:46,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2302 states. [2021-02-23 23:23:46,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 2302 states and 2802 transitions. [2021-02-23 23:23:46,586 INFO L78 Accepts]: Start accepts. Automaton has 2302 states and 2802 transitions. Word has length 203 [2021-02-23 23:23:46,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:23:46,586 INFO L480 AbstractCegarLoop]: Abstraction has 2302 states and 2802 transitions. [2021-02-23 23:23:46,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-23 23:23:46,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2302 states and 2802 transitions. [2021-02-23 23:23:46,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-02-23 23:23:46,596 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:23:46,597 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:23:46,597 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 23:23:46,597 INFO L428 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:23:46,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:23:46,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1981635084, now seen corresponding path program 1 times [2021-02-23 23:23:46,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:23:46,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1471859067] [2021-02-23 23:23:46,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:23:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:46,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:46,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:23:46,655 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-23 23:23:46,655 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-23 23:23:46,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:46,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:23:46,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:23:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:46,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:46,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:23:46,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:23:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:46,768 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:46,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:23:46,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:46,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:23:46,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-02-23 23:23:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:46,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:46,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:23:46,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:46,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:23:46,872 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-23 23:23:46,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1471859067] [2021-02-23 23:23:46,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:23:46,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-23 23:23:46,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831320135] [2021-02-23 23:23:46,874 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:23:46,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:23:46,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:23:46,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:23:46,882 INFO L87 Difference]: Start difference. First operand 2302 states and 2802 transitions. Second operand 8 states. [2021-02-23 23:23:50,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:23:50,712 INFO L93 Difference]: Finished difference Result 6170 states and 7767 transitions. [2021-02-23 23:23:50,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-23 23:23:50,713 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 204 [2021-02-23 23:23:50,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:23:50,742 INFO L225 Difference]: With dead ends: 6170 [2021-02-23 23:23:50,742 INFO L226 Difference]: Without dead ends: 3743 [2021-02-23 23:23:50,753 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2021-02-23 23:23:50,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3743 states. [2021-02-23 23:23:51,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3743 to 3544. [2021-02-23 23:23:51,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3544 states. [2021-02-23 23:23:51,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 3544 states and 4215 transitions. [2021-02-23 23:23:51,488 INFO L78 Accepts]: Start accepts. Automaton has 3544 states and 4215 transitions. Word has length 204 [2021-02-23 23:23:51,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:23:51,489 INFO L480 AbstractCegarLoop]: Abstraction has 3544 states and 4215 transitions. [2021-02-23 23:23:51,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:23:51,489 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 4215 transitions. [2021-02-23 23:23:51,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-02-23 23:23:51,503 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:23:51,503 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:23:51,503 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 23:23:51,504 INFO L428 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:23:51,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:23:51,504 INFO L82 PathProgramCache]: Analyzing trace with hash -569161289, now seen corresponding path program 1 times [2021-02-23 23:23:51,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:23:51,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1006908062] [2021-02-23 23:23:51,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:23:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:51,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:51,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:23:51,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:51,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:23:51,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:51,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:23:51,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:23:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:51,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:51,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:23:51,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:23:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:51,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:51,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:23:51,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:51,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:23:51,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 23:23:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:51,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:51,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:23:51,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:51,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:23:51,807 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-23 23:23:51,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1006908062] [2021-02-23 23:23:51,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:23:51,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 23:23:51,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701925085] [2021-02-23 23:23:51,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:23:51,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:23:51,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:23:51,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:23:51,811 INFO L87 Difference]: Start difference. First operand 3544 states and 4215 transitions. Second operand 7 states. [2021-02-23 23:23:55,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:23:55,746 INFO L93 Difference]: Finished difference Result 7911 states and 9709 transitions. [2021-02-23 23:23:55,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 23:23:55,746 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2021-02-23 23:23:55,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:23:55,786 INFO L225 Difference]: With dead ends: 7911 [2021-02-23 23:23:55,787 INFO L226 Difference]: Without dead ends: 4397 [2021-02-23 23:23:55,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:23:55,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4397 states. [2021-02-23 23:23:56,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4397 to 3998. [2021-02-23 23:23:56,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3998 states. [2021-02-23 23:23:56,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3998 states to 3998 states and 4603 transitions. [2021-02-23 23:23:56,935 INFO L78 Accepts]: Start accepts. Automaton has 3998 states and 4603 transitions. Word has length 230 [2021-02-23 23:23:56,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:23:56,936 INFO L480 AbstractCegarLoop]: Abstraction has 3998 states and 4603 transitions. [2021-02-23 23:23:56,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:23:56,936 INFO L276 IsEmpty]: Start isEmpty. Operand 3998 states and 4603 transitions. [2021-02-23 23:23:56,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-02-23 23:23:56,953 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:23:56,953 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:23:56,954 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 23:23:56,954 INFO L428 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:23:56,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:23:56,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1547277557, now seen corresponding path program 1 times [2021-02-23 23:23:56,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:23:56,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [228508836] [2021-02-23 23:23:56,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:23:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:57,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:57,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:23:57,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:57,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:23:57,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:57,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:23:57,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:57,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:23:57,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:23:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:57,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:57,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:23:57,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:57,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:23:57,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:23:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:57,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:57,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:23:57,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:57,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:23:57,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 23:23:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:23:57,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:57,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:23:57,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:23:57,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:23:57,358 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-02-23 23:23:57,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [228508836] [2021-02-23 23:23:57,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:23:57,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 23:23:57,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31270871] [2021-02-23 23:23:57,359 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:23:57,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:23:57,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:23:57,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:23:57,360 INFO L87 Difference]: Start difference. First operand 3998 states and 4603 transitions. Second operand 7 states. [2021-02-23 23:24:00,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:24:00,404 INFO L93 Difference]: Finished difference Result 9293 states and 10992 transitions. [2021-02-23 23:24:00,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 23:24:00,407 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 246 [2021-02-23 23:24:00,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:24:00,441 INFO L225 Difference]: With dead ends: 9293 [2021-02-23 23:24:00,441 INFO L226 Difference]: Without dead ends: 4175 [2021-02-23 23:24:00,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:24:00,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4175 states. [2021-02-23 23:24:01,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4175 to 3916. [2021-02-23 23:24:01,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3916 states. [2021-02-23 23:24:01,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3916 states to 3916 states and 4286 transitions. [2021-02-23 23:24:01,467 INFO L78 Accepts]: Start accepts. Automaton has 3916 states and 4286 transitions. Word has length 246 [2021-02-23 23:24:01,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:24:01,468 INFO L480 AbstractCegarLoop]: Abstraction has 3916 states and 4286 transitions. [2021-02-23 23:24:01,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:24:01,468 INFO L276 IsEmpty]: Start isEmpty. Operand 3916 states and 4286 transitions. [2021-02-23 23:24:01,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-02-23 23:24:01,484 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:24:01,485 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:24:01,485 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 23:24:01,485 INFO L428 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:24:01,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:24:01,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1288591979, now seen corresponding path program 1 times [2021-02-23 23:24:01,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:24:01,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [603469513] [2021-02-23 23:24:01,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:24:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:24:01,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:01,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:24:01,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:01,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:24:01,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:01,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:24:01,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:01,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 23:24:01,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:01,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 23:24:01,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:01,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:24:01,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:24:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:24:01,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:01,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:24:01,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:01,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:24:01,789 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:24:01,790 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:24:01,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:24:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:24:01,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:01,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:24:01,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:01,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:24:01,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 23:24:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:24:01,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:01,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:24:01,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:01,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:24:01,871 WARN L141 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-02-23 23:24:01,872 WARN L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-02-23 23:24:01,884 WARN L141 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-02-23 23:24:01,885 WARN L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-02-23 23:24:01,900 WARN L141 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size [2021-02-23 23:24:01,901 WARN L147 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size 13 [2021-02-23 23:24:01,919 WARN L141 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size [2021-02-23 23:24:01,920 WARN L147 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size 16 [2021-02-23 23:24:01,942 WARN L141 QuantifierPusher]: treesize reduction 10, result has 65.5 percent of original size [2021-02-23 23:24:01,942 WARN L147 QuantifierPusher]: treesize reduction 10, result has 65.5 percent of original size 19 [2021-02-23 23:24:02,219 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 104 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-02-23 23:24:02,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [603469513] [2021-02-23 23:24:02,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:24:02,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-02-23 23:24:02,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284086333] [2021-02-23 23:24:02,221 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-23 23:24:02,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:24:02,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-23 23:24:02,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-02-23 23:24:02,222 INFO L87 Difference]: Start difference. First operand 3916 states and 4286 transitions. Second operand 13 states. [2021-02-23 23:24:04,076 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-02-23 23:24:06,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:24:06,098 INFO L93 Difference]: Finished difference Result 6660 states and 7268 transitions. [2021-02-23 23:24:06,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-23 23:24:06,099 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 274 [2021-02-23 23:24:06,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:24:06,103 INFO L225 Difference]: With dead ends: 6660 [2021-02-23 23:24:06,103 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 23:24:06,118 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2021-02-23 23:24:06,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 23:24:06,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 23:24:06,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 23:24:06,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 23:24:06,119 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 274 [2021-02-23 23:24:06,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:24:06,119 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 23:24:06,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-23 23:24:06,119 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 23:24:06,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 23:24:06,120 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 23:24:06,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 23:24:06,512 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2021-02-23 23:24:12,165 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 170 [2021-02-23 23:24:12,847 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 170 [2021-02-23 23:24:13,027 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 170 [2021-02-23 23:24:15,360 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 170 [2021-02-23 23:24:33,386 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 170 [2021-02-23 23:24:47,916 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 170 [2021-02-23 23:25:00,329 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 170 [2021-02-23 23:25:00,713 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 170 [2021-02-23 23:25:01,288 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 170 [2021-02-23 23:25:01,846 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 170 [2021-02-23 23:25:08,963 WARN L202 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:25:12,208 WARN L202 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:25:13,191 WARN L202 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2021-02-23 23:25:14,183 WARN L202 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2021-02-23 23:25:15,127 WARN L202 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:25:16,227 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2021-02-23 23:25:19,322 WARN L202 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:25:20,440 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2021-02-23 23:25:23,532 WARN L202 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:25:26,591 WARN L202 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:25:29,763 WARN L202 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:25:30,735 WARN L202 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:25:32,034 WARN L202 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 149 DAG size of output: 73 [2021-02-23 23:25:33,088 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-02-23 23:25:34,156 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2021-02-23 23:25:35,956 WARN L202 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 154 DAG size of output: 79 [2021-02-23 23:25:37,001 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 99 DAG size of output: 69 [2021-02-23 23:25:38,089 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 106 DAG size of output: 75 [2021-02-23 23:25:41,331 WARN L202 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:25:42,320 WARN L202 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2021-02-23 23:25:43,373 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-02-23 23:25:46,578 WARN L202 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:25:47,412 WARN L202 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:25:48,787 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 157 DAG size of output: 79 [2021-02-23 23:25:49,746 WARN L202 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 68 [2021-02-23 23:25:50,863 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-02-23 23:25:51,766 WARN L202 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2021-02-23 23:25:52,767 WARN L202 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2021-02-23 23:25:55,921 WARN L202 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:25:56,925 WARN L202 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-02-23 23:25:57,833 WARN L202 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2021-02-23 23:25:58,737 WARN L202 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2021-02-23 23:25:59,701 WARN L202 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:26:02,893 WARN L202 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:26:04,034 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2021-02-23 23:26:04,991 WARN L202 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:26:05,983 WARN L202 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2021-02-23 23:26:06,934 WARN L202 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-02-23 23:26:07,951 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2021-02-23 23:26:08,988 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 149 DAG size of output: 72 [2021-02-23 23:26:12,218 WARN L202 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:26:13,299 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2021-02-23 23:26:14,150 WARN L202 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 58 [2021-02-23 23:26:17,356 WARN L202 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:26:18,428 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 113 DAG size of output: 75 [2021-02-23 23:26:19,343 WARN L202 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2021-02-23 23:26:20,314 WARN L202 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2021-02-23 23:26:23,530 WARN L202 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:26:26,762 WARN L202 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:26:27,614 WARN L202 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:26:28,623 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2021-02-23 23:26:29,644 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 107 DAG size of output: 73 [2021-02-23 23:26:30,715 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2021-02-23 23:26:31,575 WARN L202 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2021-02-23 23:26:32,598 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2021-02-23 23:26:35,674 WARN L202 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:26:38,740 WARN L202 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:26:39,647 WARN L202 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2021-02-23 23:26:40,594 WARN L202 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2021-02-23 23:26:41,531 WARN L202 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2021-02-23 23:26:42,521 WARN L202 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-02-23 23:26:43,460 WARN L202 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2021-02-23 23:26:44,268 WARN L202 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:26:45,315 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 157 DAG size of output: 76 [2021-02-23 23:26:46,189 WARN L202 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2021-02-23 23:26:47,140 WARN L202 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2021-02-23 23:26:48,100 WARN L202 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 71 [2021-02-23 23:26:49,188 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 113 DAG size of output: 75 [2021-02-23 23:26:50,052 WARN L202 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:26:53,113 WARN L202 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:26:54,082 WARN L202 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2021-02-23 23:26:55,026 WARN L202 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 64 [2021-02-23 23:26:56,109 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 110 DAG size of output: 76 [2021-02-23 23:26:59,124 WARN L202 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:27:02,210 WARN L202 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:27:03,317 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2021-02-23 23:27:04,434 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2021-02-23 23:27:05,364 WARN L202 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:27:08,390 WARN L202 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:27:09,319 WARN L202 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:27:12,336 WARN L202 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:27:15,357 WARN L202 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:27:16,166 WARN L202 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:27:17,724 WARN L202 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 154 DAG size of output: 80 [2021-02-23 23:27:18,756 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 106 DAG size of output: 75 [2021-02-23 23:27:19,999 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 148 DAG size of output: 73 [2021-02-23 23:27:20,919 WARN L202 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2021-02-23 23:27:23,999 WARN L202 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:27:24,993 WARN L202 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 66 [2021-02-23 23:27:25,932 WARN L202 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2021-02-23 23:27:26,930 WARN L202 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 72 [2021-02-23 23:27:27,746 WARN L202 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:27:28,714 WARN L202 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-02-23 23:27:29,719 WARN L202 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2021-02-23 23:27:32,806 WARN L202 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:27:34,018 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 146 DAG size of output: 71 [2021-02-23 23:27:37,106 WARN L202 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:27:38,147 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 155 DAG size of output: 78 [2021-02-23 23:27:39,138 WARN L202 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2021-02-23 23:27:42,226 WARN L202 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:27:45,313 WARN L202 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:27:46,128 WARN L202 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:27:49,244 WARN L202 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:27:52,282 WARN L202 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:27:53,251 WARN L202 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2021-02-23 23:27:54,342 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2021-02-23 23:27:55,163 WARN L202 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:27:58,209 WARN L202 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:27:59,342 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2021-02-23 23:28:00,461 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2021-02-23 23:28:01,402 WARN L202 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:28:04,438 WARN L202 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:28:05,335 WARN L202 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 64 [2021-02-23 23:28:08,444 WARN L202 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:28:09,533 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2021-02-23 23:28:10,413 WARN L202 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2021-02-23 23:28:13,528 WARN L202 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:28:14,535 WARN L202 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 66 [2021-02-23 23:28:15,537 WARN L202 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2021-02-23 23:28:16,478 WARN L202 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2021-02-23 23:28:17,688 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2021-02-23 23:28:18,635 WARN L202 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2021-02-23 23:28:19,515 WARN L202 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2021-02-23 23:28:20,444 WARN L202 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2021-02-23 23:28:21,271 WARN L202 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:28:22,210 WARN L202 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 74 [2021-02-23 23:28:23,990 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 155 DAG size of output: 79 [2021-02-23 23:28:24,925 WARN L202 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2021-02-23 23:28:25,869 WARN L202 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:28:28,937 WARN L202 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:28:32,000 WARN L202 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:28:32,948 WARN L202 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:28:33,894 WARN L202 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:28:34,858 WARN L202 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-02-23 23:28:37,980 WARN L202 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:28:38,911 WARN L202 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2021-02-23 23:28:39,742 WARN L202 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:28:42,871 WARN L202 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:28:43,875 WARN L202 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2021-02-23 23:28:45,230 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 160 DAG size of output: 79 [2021-02-23 23:28:48,360 WARN L202 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:28:49,276 WARN L202 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-02-23 23:28:50,239 WARN L202 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2021-02-23 23:28:51,283 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 150 DAG size of output: 74 [2021-02-23 23:28:52,225 WARN L202 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2021-02-23 23:28:53,175 WARN L202 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-02-23 23:28:54,271 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 106 DAG size of output: 76 [2021-02-23 23:28:55,541 WARN L202 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 155 DAG size of output: 72 [2021-02-23 23:28:57,349 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 155 DAG size of output: 79 [2021-02-23 23:29:00,487 WARN L202 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:29:01,733 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 148 DAG size of output: 74 [2021-02-23 23:29:02,826 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2021-02-23 23:29:03,841 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2021-02-23 23:29:04,760 WARN L202 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-02-23 23:29:07,850 WARN L202 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:29:08,807 WARN L202 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:29:09,762 WARN L202 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:29:10,718 WARN L202 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:29:13,806 WARN L202 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:29:14,650 WARN L202 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:29:15,677 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 98 DAG size of output: 68 [2021-02-23 23:29:16,613 WARN L202 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2021-02-23 23:29:17,612 WARN L202 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 75 [2021-02-23 23:29:20,766 WARN L202 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:29:23,916 WARN L202 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:29:25,002 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2021-02-23 23:29:25,888 WARN L202 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2021-02-23 23:29:26,844 WARN L202 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:29:27,811 WARN L202 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-02-23 23:29:30,910 WARN L202 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:29:32,110 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2021-02-23 23:29:33,072 WARN L202 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:29:36,181 WARN L202 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:29:39,294 WARN L202 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:29:40,132 WARN L202 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:29:41,094 WARN L202 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:29:44,206 WARN L202 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:29:47,322 WARN L202 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:29:50,442 WARN L202 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:29:51,288 WARN L202 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:29:52,254 WARN L202 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:29:53,220 WARN L202 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:29:56,343 WARN L202 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:29:57,191 WARN L202 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:29:58,136 WARN L202 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2021-02-23 23:30:01,314 WARN L202 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:30:04,522 WARN L202 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:30:05,541 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-02-23 23:30:06,598 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 99 DAG size of output: 69 [2021-02-23 23:30:07,576 WARN L202 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2021-02-23 23:30:10,771 WARN L202 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:30:12,049 WARN L202 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 148 DAG size of output: 73 [2021-02-23 23:30:13,021 WARN L202 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-02-23 23:30:16,222 WARN L202 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:30:17,207 WARN L202 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2021-02-23 23:30:18,373 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2021-02-23 23:30:19,598 WARN L202 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2021-02-23 23:30:22,748 WARN L202 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:30:23,638 WARN L202 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:30:24,717 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2021-02-23 23:30:25,844 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 106 DAG size of output: 76 [2021-02-23 23:30:26,788 WARN L202 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2021-02-23 23:30:27,729 WARN L202 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2021-02-23 23:30:28,802 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 104 DAG size of output: 75 [2021-02-23 23:30:30,149 WARN L202 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 146 DAG size of output: 73 [2021-02-23 23:30:31,281 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 115 DAG size of output: 77 [2021-02-23 23:30:34,513 WARN L202 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:30:37,731 WARN L202 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:30:38,708 WARN L202 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2021-02-23 23:30:41,932 WARN L202 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:30:43,763 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 154 DAG size of output: 79 [2021-02-23 23:30:45,162 WARN L202 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 156 DAG size of output: 78 [2021-02-23 23:30:46,140 WARN L202 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2021-02-23 23:30:47,405 WARN L202 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2021-02-23 23:30:48,395 WARN L202 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2021-02-23 23:30:51,632 WARN L202 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:30:53,277 WARN L202 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 154 DAG size of output: 79 [2021-02-23 23:30:56,513 WARN L202 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:30:57,497 WARN L202 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2021-02-23 23:30:58,764 WARN L202 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2021-02-23 23:30:59,769 WARN L202 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2021-02-23 23:31:00,691 WARN L202 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2021-02-23 23:31:01,671 WARN L202 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2021-02-23 23:31:02,636 WARN L202 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-02-23 23:31:03,619 WARN L202 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2021-02-23 23:31:04,874 WARN L202 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 152 DAG size of output: 71 [2021-02-23 23:31:05,833 WARN L202 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2021-02-23 23:31:07,177 WARN L202 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 159 DAG size of output: 78 [2021-02-23 23:31:08,274 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 104 DAG size of output: 75 [2021-02-23 23:31:09,308 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2021-02-23 23:31:10,437 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 112 DAG size of output: 77 [2021-02-23 23:31:12,094 WARN L202 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 154 DAG size of output: 80 [2021-02-23 23:31:13,087 WARN L202 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 71 [2021-02-23 23:31:14,139 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2021-02-23 23:31:15,428 WARN L202 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 146 DAG size of output: 71 [2021-02-23 23:31:18,676 WARN L202 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:31:19,542 WARN L202 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:31:22,794 WARN L202 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:31:24,011 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 108 DAG size of output: 78 [2021-02-23 23:31:27,271 WARN L202 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:31:28,298 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2021-02-23 23:31:29,577 WARN L202 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2021-02-23 23:31:30,568 WARN L202 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:31:31,565 WARN L202 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:31:34,766 WARN L202 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:31:35,766 WARN L202 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:31:38,989 WARN L202 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:31:42,213 WARN L202 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:31:45,415 WARN L202 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:31:46,416 WARN L202 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:31:47,418 WARN L202 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:31:48,417 WARN L202 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:31:49,474 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-02-23 23:31:50,847 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 152 DAG size of output: 75 [2021-02-23 23:31:54,118 WARN L202 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:31:57,402 WARN L202 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:32:00,675 WARN L202 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:32:01,671 WARN L202 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 75 [2021-02-23 23:32:02,756 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 151 DAG size of output: 74 [2021-02-23 23:32:03,641 WARN L202 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:32:04,745 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 99 DAG size of output: 69 [2021-02-23 23:32:06,198 WARN L202 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 151 DAG size of output: 79 [2021-02-23 23:32:09,442 WARN L202 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:32:12,739 WARN L202 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:32:16,030 WARN L202 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:32:17,443 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2021-02-23 23:32:18,587 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2021-02-23 23:32:19,472 WARN L202 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:32:20,564 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 148 DAG size of output: 71 [2021-02-23 23:32:21,630 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-02-23 23:32:22,623 WARN L202 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-02-23 23:32:25,923 WARN L202 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:32:26,978 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 148 DAG size of output: 71 [2021-02-23 23:32:30,285 WARN L202 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:32:33,736 WARN L202 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:32:34,913 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 146 DAG size of output: 72 [2021-02-23 23:32:36,357 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 146 DAG size of output: 71 [2021-02-23 23:32:37,446 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2021-02-23 23:32:38,520 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2021-02-23 23:32:42,138 WARN L202 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:32:43,262 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 99 DAG size of output: 68 [2021-02-23 23:32:44,301 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2021-02-23 23:32:45,338 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2021-02-23 23:32:48,906 WARN L202 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:32:50,026 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2021-02-23 23:32:51,158 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2021-02-23 23:32:52,612 WARN L202 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 106 DAG size of output: 79 [2021-02-23 23:32:53,753 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2021-02-23 23:32:54,738 WARN L202 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:32:55,916 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 144 DAG size of output: 72 [2021-02-23 23:32:57,010 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2021-02-23 23:32:58,211 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 149 DAG size of output: 72 [2021-02-23 23:32:59,322 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2021-02-23 23:33:00,298 WARN L202 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:33:01,724 WARN L202 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 160 DAG size of output: 77 [2021-02-23 23:33:02,989 WARN L202 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 107 DAG size of output: 75 [2021-02-23 23:33:04,119 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2021-02-23 23:33:05,208 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2021-02-23 23:33:06,399 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-02-23 23:33:07,341 WARN L202 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:33:08,370 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2021-02-23 23:33:09,536 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-02-23 23:33:10,723 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2021-02-23 23:33:11,917 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 149 DAG size of output: 72 [2021-02-23 23:33:13,062 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 146 DAG size of output: 71 [2021-02-23 23:33:14,166 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-02-23 23:33:15,344 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 146 DAG size of output: 72 [2021-02-23 23:33:16,435 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-02-23 23:33:17,590 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 148 DAG size of output: 71 [2021-02-23 23:33:21,207 WARN L202 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:33:22,250 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2021-02-23 23:33:23,399 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2021-02-23 23:33:24,578 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-02-23 23:33:25,521 WARN L202 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:33:25,658 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 34 [2021-02-23 23:33:26,761 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-02-23 23:33:30,204 WARN L202 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:33:31,178 WARN L202 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2021-02-23 23:33:32,454 WARN L202 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2021-02-23 23:33:33,429 WARN L202 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2021-02-23 23:33:36,734 WARN L202 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:33:37,622 WARN L202 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:33:38,595 WARN L202 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2021-02-23 23:33:41,888 WARN L202 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:33:42,891 WARN L202 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-02-23 23:33:46,194 WARN L202 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:33:47,358 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 156 DAG size of output: 76 [2021-02-23 23:33:48,365 WARN L202 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2021-02-23 23:33:49,382 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:33:52,624 WARN L202 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:33:55,921 WARN L202 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:33:59,236 WARN L202 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:34:00,345 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 151 DAG size of output: 74 [2021-02-23 23:34:03,650 WARN L202 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:34:04,877 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2021-02-23 23:34:08,140 WARN L202 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:34:11,400 WARN L202 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:34:14,658 WARN L202 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:34:15,869 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2021-02-23 23:34:17,083 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2021-02-23 23:34:18,307 WARN L202 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2021-02-23 23:34:21,565 WARN L202 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:34:22,589 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:34:23,615 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:34:26,895 WARN L202 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:34:28,113 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2021-02-23 23:34:29,071 WARN L202 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2021-02-23 23:34:30,072 WARN L202 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2021-02-23 23:34:31,170 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-02-23 23:34:32,615 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 148 DAG size of output: 73 [2021-02-23 23:34:34,035 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 155 DAG size of output: 77 [2021-02-23 23:34:35,257 WARN L202 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2021-02-23 23:34:38,537 WARN L202 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:34:39,665 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2021-02-23 23:34:40,691 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:34:43,978 WARN L202 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:34:47,268 WARN L202 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:34:50,545 WARN L202 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:34:51,778 WARN L202 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2021-02-23 23:34:52,744 WARN L202 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2021-02-23 23:35:04,831 WARN L202 SmtUtils]: Spent 12.05 s on a formula simplification. DAG size of input: 297 DAG size of output: 159 [2021-02-23 23:35:17,263 WARN L202 SmtUtils]: Spent 12.41 s on a formula simplification. DAG size of input: 297 DAG size of output: 159 [2021-02-23 23:35:18,436 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2021-02-23 23:35:19,517 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-02-23 23:35:20,669 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 103 DAG size of output: 73 [2021-02-23 23:35:24,255 WARN L202 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:35:27,825 WARN L202 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:35:29,301 WARN L202 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2021-02-23 23:35:32,996 WARN L202 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:35:36,486 WARN L202 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:35:37,562 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2021-02-23 23:35:38,718 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-02-23 23:35:39,883 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-02-23 23:35:41,081 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 99 DAG size of output: 68 [2021-02-23 23:35:42,365 WARN L202 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 158 DAG size of output: 76 [2021-02-23 23:35:43,379 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:35:44,474 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-02-23 23:35:45,570 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-02-23 23:35:46,704 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2021-02-23 23:35:50,341 WARN L202 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:35:51,929 WARN L202 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 151 DAG size of output: 75 [2021-02-23 23:35:55,483 WARN L202 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:35:56,540 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-02-23 23:36:00,153 WARN L202 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:36:03,741 WARN L202 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2021-02-23 23:36:04,712 WARN L202 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-02-23 23:36:05,880 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2021-02-23 23:36:07,407 WARN L202 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 152 DAG size of output: 74 [2021-02-23 23:36:08,585 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2021-02-23 23:36:09,845 WARN L202 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2021-02-23 23:36:11,094 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2021-02-23 23:36:14,465 WARN L202 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:36:15,525 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2021-02-23 23:36:18,883 WARN L202 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 187 DAG size of output: 77