/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/Problem01_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 01:09:44,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 01:09:45,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 01:09:45,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-24 01:09:45,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 01:09:45,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 01:09:45,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 01:09:45,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 01:09:45,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 01:09:45,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 01:09:45,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 01:09:45,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 01:09:45,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 01:09:45,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 01:09:45,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 01:09:45,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 01:09:45,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 01:09:45,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 01:09:45,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 01:09:45,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 01:09:45,162 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 01:09:45,186 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 01:09:45,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 01:09:45,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 01:09:45,192 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 01:09:45,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 01:09:45,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 01:09:45,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 01:09:45,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 01:09:45,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 01:09:45,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 01:09:45,194 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 01:09:45,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 01:09:45,195 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 01:09:45,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 01:09:45,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 01:09:45,196 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 01:09:45,196 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 01:09:45,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 01:09:45,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 01:09:45,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 01:09:45,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 01:09:45,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 01:09:45,198 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 01:09:45,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 01:09:45,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 01:09:45,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 01:09:45,688 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 01:09:45,689 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 01:09:45,690 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2020-10-24 01:09:45,774 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aeec9d80/f82ed1809e3642fdb415fce01465f15e/FLAG462c25edb [2020-10-24 01:09:46,531 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 01:09:46,532 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2020-10-24 01:09:46,549 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aeec9d80/f82ed1809e3642fdb415fce01465f15e/FLAG462c25edb [2020-10-24 01:09:46,787 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aeec9d80/f82ed1809e3642fdb415fce01465f15e [2020-10-24 01:09:46,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 01:09:46,798 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 01:09:46,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 01:09:46,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 01:09:46,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 01:09:46,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:09:46" (1/1) ... [2020-10-24 01:09:46,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21ed8eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:46, skipping insertion in model container [2020-10-24 01:09:46,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:09:46" (1/1) ... [2020-10-24 01:09:46,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 01:09:46,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 01:09:47,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:09:47,321 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 01:09:47,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:09:47,518 INFO L208 MainTranslator]: Completed translation [2020-10-24 01:09:47,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:47 WrapperNode [2020-10-24 01:09:47,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 01:09:47,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 01:09:47,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 01:09:47,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 01:09:47,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:47" (1/1) ... [2020-10-24 01:09:47,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:47" (1/1) ... [2020-10-24 01:09:47,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:47" (1/1) ... [2020-10-24 01:09:47,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:47" (1/1) ... [2020-10-24 01:09:47,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:47" (1/1) ... [2020-10-24 01:09:47,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:47" (1/1) ... [2020-10-24 01:09:47,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:47" (1/1) ... [2020-10-24 01:09:47,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 01:09:47,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 01:09:47,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 01:09:47,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 01:09:47,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:47" (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 [2020-10-24 01:09:47,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 01:09:47,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 01:09:47,733 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 01:09:47,733 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-24 01:09:47,733 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 01:09:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-24 01:09:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 01:09:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 01:09:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 01:09:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 01:09:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 01:09:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-24 01:09:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 01:09:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 01:09:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 01:09:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 01:09:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 01:09:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 01:09:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 01:09:49,713 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 01:09:49,714 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-24 01:09:49,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:09:49 BoogieIcfgContainer [2020-10-24 01:09:49,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 01:09:49,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 01:09:49,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 01:09:49,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 01:09:49,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:09:46" (1/3) ... [2020-10-24 01:09:49,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@510271b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:09:49, skipping insertion in model container [2020-10-24 01:09:49,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:47" (2/3) ... [2020-10-24 01:09:49,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@510271b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:09:49, skipping insertion in model container [2020-10-24 01:09:49,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:09:49" (3/3) ... [2020-10-24 01:09:49,727 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label05.c [2020-10-24 01:09:49,739 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 01:09:49,745 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 01:09:49,755 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 01:09:49,783 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 01:09:49,783 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 01:09:49,783 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 01:09:49,783 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 01:09:49,784 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 01:09:49,784 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 01:09:49,784 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 01:09:49,784 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 01:09:49,813 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states. [2020-10-24 01:09:49,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-24 01:09:49,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:09:49,840 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] [2020-10-24 01:09:49,840 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:09:49,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:09:49,847 INFO L82 PathProgramCache]: Analyzing trace with hash 443850862, now seen corresponding path program 1 times [2020-10-24 01:09:49,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:09:49,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1508630690] [2020-10-24 01:09:49,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:09:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:09:50,618 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-24 01:09:50,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:09:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:09:50,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:09:50,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1508630690] [2020-10-24 01:09:50,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:09:50,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 01:09:50,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947578179] [2020-10-24 01:09:50,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 01:09:50,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:09:50,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 01:09:50,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 01:09:50,777 INFO L87 Difference]: Start difference. First operand 537 states. Second operand 5 states. [2020-10-24 01:09:51,022 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:09:51,797 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-24 01:09:54,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:09:54,724 INFO L93 Difference]: Finished difference Result 1373 states and 1909 transitions. [2020-10-24 01:09:54,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 01:09:54,726 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2020-10-24 01:09:54,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:09:54,752 INFO L225 Difference]: With dead ends: 1373 [2020-10-24 01:09:54,752 INFO L226 Difference]: Without dead ends: 790 [2020-10-24 01:09:54,767 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:09:54,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-10-24 01:09:55,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 755. [2020-10-24 01:09:55,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2020-10-24 01:09:55,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 923 transitions. [2020-10-24 01:09:55,019 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 923 transitions. Word has length 131 [2020-10-24 01:09:55,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:09:55,021 INFO L481 AbstractCegarLoop]: Abstraction has 755 states and 923 transitions. [2020-10-24 01:09:55,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 01:09:55,021 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 923 transitions. [2020-10-24 01:09:55,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-24 01:09:55,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:09:55,031 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-24 01:09:55,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 01:09:55,032 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:09:55,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:09:55,033 INFO L82 PathProgramCache]: Analyzing trace with hash 974619116, now seen corresponding path program 1 times [2020-10-24 01:09:55,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:09:55,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2067345571] [2020-10-24 01:09:55,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:09:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:09:55,374 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-24 01:09:55,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:09:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:09:55,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:09:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:09:55,488 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-24 01:09:55,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2067345571] [2020-10-24 01:09:55,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:09:55,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-24 01:09:55,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324081925] [2020-10-24 01:09:55,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 01:09:55,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:09:55,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 01:09:55,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 01:09:55,492 INFO L87 Difference]: Start difference. First operand 755 states and 923 transitions. Second operand 5 states. [2020-10-24 01:09:55,705 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:09:58,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:09:58,243 INFO L93 Difference]: Finished difference Result 1965 states and 2502 transitions. [2020-10-24 01:09:58,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-24 01:09:58,243 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-10-24 01:09:58,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:09:58,257 INFO L225 Difference]: With dead ends: 1965 [2020-10-24 01:09:58,257 INFO L226 Difference]: Without dead ends: 1242 [2020-10-24 01:09:58,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-24 01:09:58,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2020-10-24 01:09:58,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 1043. [2020-10-24 01:09:58,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2020-10-24 01:09:58,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1292 transitions. [2020-10-24 01:09:58,509 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1292 transitions. Word has length 152 [2020-10-24 01:09:58,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:09:58,510 INFO L481 AbstractCegarLoop]: Abstraction has 1043 states and 1292 transitions. [2020-10-24 01:09:58,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 01:09:58,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1292 transitions. [2020-10-24 01:09:58,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-24 01:09:58,517 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:09:58,518 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:09:58,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 01:09:58,518 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:09:58,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:09:58,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1446776157, now seen corresponding path program 1 times [2020-10-24 01:09:58,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:09:58,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [489094832] [2020-10-24 01:09:58,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:09:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:09:58,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:09:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:09:58,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:09:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:09:58,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-24 01:09:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:09:58,902 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-24 01:09:58,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [489094832] [2020-10-24 01:09:58,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:09:58,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:09:58,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972572135] [2020-10-24 01:09:58,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:09:58,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:09:58,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:09:58,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:09:58,911 INFO L87 Difference]: Start difference. First operand 1043 states and 1292 transitions. Second operand 7 states. [2020-10-24 01:10:01,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:01,884 INFO L93 Difference]: Finished difference Result 2454 states and 3144 transitions. [2020-10-24 01:10:01,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:10:01,885 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 193 [2020-10-24 01:10:01,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:01,899 INFO L225 Difference]: With dead ends: 2454 [2020-10-24 01:10:01,900 INFO L226 Difference]: Without dead ends: 1443 [2020-10-24 01:10:01,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-24 01:10:01,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2020-10-24 01:10:02,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1229. [2020-10-24 01:10:02,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1229 states. [2020-10-24 01:10:02,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 1535 transitions. [2020-10-24 01:10:02,172 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 1535 transitions. Word has length 193 [2020-10-24 01:10:02,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:10:02,173 INFO L481 AbstractCegarLoop]: Abstraction has 1229 states and 1535 transitions. [2020-10-24 01:10:02,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:10:02,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1535 transitions. [2020-10-24 01:10:02,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-24 01:10:02,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:10:02,181 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:10:02,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 01:10:02,181 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:10:02,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:10:02,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1548584356, now seen corresponding path program 1 times [2020-10-24 01:10:02,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:10:02,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1999539556] [2020-10-24 01:10:02,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:10:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:02,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:10:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:02,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:10:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:02,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-24 01:10:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:02,562 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 48 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-24 01:10:02,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1999539556] [2020-10-24 01:10:02,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:10:02,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 01:10:02,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993960392] [2020-10-24 01:10:02,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:10:02,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:10:02,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:10:02,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:10:02,565 INFO L87 Difference]: Start difference. First operand 1229 states and 1535 transitions. Second operand 8 states. [2020-10-24 01:10:02,855 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-24 01:10:04,063 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:10:04,465 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-24 01:10:07,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:07,331 INFO L93 Difference]: Finished difference Result 3322 states and 4242 transitions. [2020-10-24 01:10:07,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-24 01:10:07,332 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 200 [2020-10-24 01:10:07,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:07,351 INFO L225 Difference]: With dead ends: 3322 [2020-10-24 01:10:07,351 INFO L226 Difference]: Without dead ends: 2125 [2020-10-24 01:10:07,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2020-10-24 01:10:07,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2125 states. [2020-10-24 01:10:07,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2125 to 1877. [2020-10-24 01:10:07,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1877 states. [2020-10-24 01:10:07,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 2285 transitions. [2020-10-24 01:10:07,825 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 2285 transitions. Word has length 200 [2020-10-24 01:10:07,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:10:07,825 INFO L481 AbstractCegarLoop]: Abstraction has 1877 states and 2285 transitions. [2020-10-24 01:10:07,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:10:07,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2285 transitions. [2020-10-24 01:10:07,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-24 01:10:07,836 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:10:07,836 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:10:07,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 01:10:07,837 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:10:07,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:10:07,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1085366566, now seen corresponding path program 1 times [2020-10-24 01:10:07,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:10:07,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [682727051] [2020-10-24 01:10:07,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:10:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:07,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:10:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:08,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:10:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:08,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-24 01:10:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:08,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 01:10:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:08,208 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 68 proven. 24 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-24 01:10:08,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [682727051] [2020-10-24 01:10:08,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:10:08,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 01:10:08,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144598116] [2020-10-24 01:10:08,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:10:08,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:10:08,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:10:08,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:10:08,212 INFO L87 Difference]: Start difference. First operand 1877 states and 2285 transitions. Second operand 8 states. [2020-10-24 01:10:08,420 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-24 01:10:09,027 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-24 01:10:09,589 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-24 01:10:12,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:12,839 INFO L93 Difference]: Finished difference Result 4123 states and 5033 transitions. [2020-10-24 01:10:12,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-24 01:10:12,843 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 229 [2020-10-24 01:10:12,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:12,860 INFO L225 Difference]: With dead ends: 4123 [2020-10-24 01:10:12,860 INFO L226 Difference]: Without dead ends: 2278 [2020-10-24 01:10:12,868 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2020-10-24 01:10:12,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2020-10-24 01:10:13,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 2192. [2020-10-24 01:10:13,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2192 states. [2020-10-24 01:10:13,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 2192 states and 2638 transitions. [2020-10-24 01:10:13,430 INFO L78 Accepts]: Start accepts. Automaton has 2192 states and 2638 transitions. Word has length 229 [2020-10-24 01:10:13,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:10:13,431 INFO L481 AbstractCegarLoop]: Abstraction has 2192 states and 2638 transitions. [2020-10-24 01:10:13,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:10:13,431 INFO L276 IsEmpty]: Start isEmpty. Operand 2192 states and 2638 transitions. [2020-10-24 01:10:13,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-24 01:10:13,443 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:10:13,444 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:10:13,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 01:10:13,444 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:10:13,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:10:13,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1937688673, now seen corresponding path program 1 times [2020-10-24 01:10:13,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:10:13,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [777811997] [2020-10-24 01:10:13,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:10:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:13,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:10:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:13,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:10:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:13,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 01:10:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:13,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-24 01:10:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:13,755 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 103 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-24 01:10:13,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [777811997] [2020-10-24 01:10:13,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:10:13,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:10:13,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633621872] [2020-10-24 01:10:13,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:10:13,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:10:13,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:10:13,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:10:13,758 INFO L87 Difference]: Start difference. First operand 2192 states and 2638 transitions. Second operand 7 states. [2020-10-24 01:10:17,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:17,029 INFO L93 Difference]: Finished difference Result 5318 states and 6553 transitions. [2020-10-24 01:10:17,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:10:17,030 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 236 [2020-10-24 01:10:17,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:17,055 INFO L225 Difference]: With dead ends: 5318 [2020-10-24 01:10:17,055 INFO L226 Difference]: Without dead ends: 3158 [2020-10-24 01:10:17,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-24 01:10:17,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3158 states. [2020-10-24 01:10:17,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3158 to 2932. [2020-10-24 01:10:17,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2932 states. [2020-10-24 01:10:17,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2932 states and 3534 transitions. [2020-10-24 01:10:17,738 INFO L78 Accepts]: Start accepts. Automaton has 2932 states and 3534 transitions. Word has length 236 [2020-10-24 01:10:17,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:10:17,738 INFO L481 AbstractCegarLoop]: Abstraction has 2932 states and 3534 transitions. [2020-10-24 01:10:17,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:10:17,739 INFO L276 IsEmpty]: Start isEmpty. Operand 2932 states and 3534 transitions. [2020-10-24 01:10:17,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-24 01:10:17,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:10:17,754 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-24 01:10:17,755 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 01:10:17,755 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:10:17,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:10:17,756 INFO L82 PathProgramCache]: Analyzing trace with hash 520469961, now seen corresponding path program 1 times [2020-10-24 01:10:17,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:10:17,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [656378130] [2020-10-24 01:10:17,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:10:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:17,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:10:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:17,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:10:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:18,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 01:10:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:18,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-24 01:10:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:18,174 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 123 proven. 32 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-24 01:10:18,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [656378130] [2020-10-24 01:10:18,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:10:18,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 01:10:18,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824679211] [2020-10-24 01:10:18,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:10:18,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:10:18,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:10:18,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:10:18,179 INFO L87 Difference]: Start difference. First operand 2932 states and 3534 transitions. Second operand 8 states. [2020-10-24 01:10:18,367 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-24 01:10:19,256 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-24 01:10:20,056 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-24 01:10:22,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:22,970 INFO L93 Difference]: Finished difference Result 5926 states and 7167 transitions. [2020-10-24 01:10:22,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-24 01:10:22,971 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 258 [2020-10-24 01:10:22,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:22,989 INFO L225 Difference]: With dead ends: 5926 [2020-10-24 01:10:22,989 INFO L226 Difference]: Without dead ends: 3167 [2020-10-24 01:10:22,999 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-10-24 01:10:23,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3167 states. [2020-10-24 01:10:23,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3167 to 3082. [2020-10-24 01:10:23,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3082 states. [2020-10-24 01:10:23,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3082 states to 3082 states and 3698 transitions. [2020-10-24 01:10:23,857 INFO L78 Accepts]: Start accepts. Automaton has 3082 states and 3698 transitions. Word has length 258 [2020-10-24 01:10:23,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:10:23,858 INFO L481 AbstractCegarLoop]: Abstraction has 3082 states and 3698 transitions. [2020-10-24 01:10:23,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:10:23,858 INFO L276 IsEmpty]: Start isEmpty. Operand 3082 states and 3698 transitions. [2020-10-24 01:10:23,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-24 01:10:23,872 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:10:23,873 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-24 01:10:23,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 01:10:23,873 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:10:23,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:10:23,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1924530333, now seen corresponding path program 1 times [2020-10-24 01:10:23,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:10:23,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601271241] [2020-10-24 01:10:23,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:10:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:24,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:10:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:24,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:10:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:24,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 01:10:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:24,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-24 01:10:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:24,289 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 129 proven. 21 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-10-24 01:10:24,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [601271241] [2020-10-24 01:10:24,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:10:24,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-24 01:10:24,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952710136] [2020-10-24 01:10:24,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 01:10:24,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:10:24,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 01:10:24,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-24 01:10:24,298 INFO L87 Difference]: Start difference. First operand 3082 states and 3698 transitions. Second operand 11 states. [2020-10-24 01:10:24,757 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2020-10-24 01:10:25,412 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2020-10-24 01:10:25,731 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-24 01:10:26,373 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-24 01:10:26,550 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-24 01:10:27,182 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-24 01:10:29,120 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-24 01:10:32,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:32,782 INFO L93 Difference]: Finished difference Result 8655 states and 10405 transitions. [2020-10-24 01:10:32,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-24 01:10:32,784 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 267 [2020-10-24 01:10:32,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:32,817 INFO L225 Difference]: With dead ends: 8655 [2020-10-24 01:10:32,817 INFO L226 Difference]: Without dead ends: 5746 [2020-10-24 01:10:32,829 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 407 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=312, Invalid=1170, Unknown=0, NotChecked=0, Total=1482 [2020-10-24 01:10:32,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5746 states. [2020-10-24 01:10:33,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5746 to 5116. [2020-10-24 01:10:33,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5116 states. [2020-10-24 01:10:33,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5116 states to 5116 states and 6043 transitions. [2020-10-24 01:10:33,850 INFO L78 Accepts]: Start accepts. Automaton has 5116 states and 6043 transitions. Word has length 267 [2020-10-24 01:10:33,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:10:33,850 INFO L481 AbstractCegarLoop]: Abstraction has 5116 states and 6043 transitions. [2020-10-24 01:10:33,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 01:10:33,851 INFO L276 IsEmpty]: Start isEmpty. Operand 5116 states and 6043 transitions. [2020-10-24 01:10:33,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-10-24 01:10:33,868 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:10:33,868 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-24 01:10:33,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 01:10:33,868 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:10:33,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:10:33,869 INFO L82 PathProgramCache]: Analyzing trace with hash 729301226, now seen corresponding path program 1 times [2020-10-24 01:10:33,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:10:33,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633315394] [2020-10-24 01:10:33,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:10:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:34,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:10:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:34,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:10:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:34,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-24 01:10:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:34,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-24 01:10:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:34,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 01:10:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:34,230 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 162 proven. 12 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-24 01:10:34,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1633315394] [2020-10-24 01:10:34,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:10:34,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:10:34,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222838044] [2020-10-24 01:10:34,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:10:34,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:10:34,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:10:34,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:10:34,232 INFO L87 Difference]: Start difference. First operand 5116 states and 6043 transitions. Second operand 7 states. [2020-10-24 01:10:38,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:38,440 INFO L93 Difference]: Finished difference Result 10455 states and 12371 transitions. [2020-10-24 01:10:38,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 01:10:38,440 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 294 [2020-10-24 01:10:38,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:38,463 INFO L225 Difference]: With dead ends: 10455 [2020-10-24 01:10:38,463 INFO L226 Difference]: Without dead ends: 4784 [2020-10-24 01:10:38,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-24 01:10:38,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4784 states. [2020-10-24 01:10:39,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4784 to 4635. [2020-10-24 01:10:39,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4635 states. [2020-10-24 01:10:39,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4635 states to 4635 states and 5184 transitions. [2020-10-24 01:10:39,476 INFO L78 Accepts]: Start accepts. Automaton has 4635 states and 5184 transitions. Word has length 294 [2020-10-24 01:10:39,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:10:39,477 INFO L481 AbstractCegarLoop]: Abstraction has 4635 states and 5184 transitions. [2020-10-24 01:10:39,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:10:39,477 INFO L276 IsEmpty]: Start isEmpty. Operand 4635 states and 5184 transitions. [2020-10-24 01:10:39,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-10-24 01:10:39,489 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:10:39,489 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-24 01:10:39,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 01:10:39,490 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:10:39,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:10:39,490 INFO L82 PathProgramCache]: Analyzing trace with hash 966508827, now seen corresponding path program 1 times [2020-10-24 01:10:39,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:10:39,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1704297007] [2020-10-24 01:10:39,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:10:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:39,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:10:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:39,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:10:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:39,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 01:10:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:39,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-24 01:10:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:39,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-24 01:10:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:39,808 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 176 proven. 33 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-10-24 01:10:39,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1704297007] [2020-10-24 01:10:39,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:10:39,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:10:39,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229074075] [2020-10-24 01:10:39,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:10:39,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:10:39,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:10:39,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:10:39,810 INFO L87 Difference]: Start difference. First operand 4635 states and 5184 transitions. Second operand 7 states. [2020-10-24 01:10:43,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:43,321 INFO L93 Difference]: Finished difference Result 10520 states and 11895 transitions. [2020-10-24 01:10:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 01:10:43,322 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 299 [2020-10-24 01:10:43,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:43,350 INFO L225 Difference]: With dead ends: 10520 [2020-10-24 01:10:43,351 INFO L226 Difference]: Without dead ends: 6058 [2020-10-24 01:10:43,363 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-24 01:10:43,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6058 states. [2020-10-24 01:10:44,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6058 to 5962. [2020-10-24 01:10:44,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5962 states. [2020-10-24 01:10:44,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5962 states to 5962 states and 6675 transitions. [2020-10-24 01:10:44,624 INFO L78 Accepts]: Start accepts. Automaton has 5962 states and 6675 transitions. Word has length 299 [2020-10-24 01:10:44,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:10:44,625 INFO L481 AbstractCegarLoop]: Abstraction has 5962 states and 6675 transitions. [2020-10-24 01:10:44,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:10:44,625 INFO L276 IsEmpty]: Start isEmpty. Operand 5962 states and 6675 transitions. [2020-10-24 01:10:44,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2020-10-24 01:10:44,639 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:10:44,639 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-24 01:10:44,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-24 01:10:44,639 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:10:44,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:10:44,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1924632400, now seen corresponding path program 1 times [2020-10-24 01:10:44,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:10:44,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [58072942] [2020-10-24 01:10:44,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:10:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:44,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:10:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:44,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:10:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:44,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 01:10:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:44,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-24 01:10:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:44,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-24 01:10:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:45,209 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 198 proven. 28 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-10-24 01:10:45,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [58072942] [2020-10-24 01:10:45,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:10:45,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-24 01:10:45,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641387687] [2020-10-24 01:10:45,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 01:10:45,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:10:45,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 01:10:45,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-24 01:10:45,211 INFO L87 Difference]: Start difference. First operand 5962 states and 6675 transitions. Second operand 10 states. [2020-10-24 01:10:45,554 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-24 01:10:46,647 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2020-10-24 01:10:46,811 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-24 01:10:47,046 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-24 01:10:47,788 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-24 01:10:49,409 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-24 01:10:49,894 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-24 01:10:52,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:52,368 INFO L93 Difference]: Finished difference Result 12440 states and 13996 transitions. [2020-10-24 01:10:52,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-24 01:10:52,369 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 310 [2020-10-24 01:10:52,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:52,395 INFO L225 Difference]: With dead ends: 12440 [2020-10-24 01:10:52,395 INFO L226 Difference]: Without dead ends: 6298 [2020-10-24 01:10:52,413 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=279, Invalid=1053, Unknown=0, NotChecked=0, Total=1332 [2020-10-24 01:10:52,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6298 states. [2020-10-24 01:10:54,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6298 to 5966. [2020-10-24 01:10:54,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5966 states. [2020-10-24 01:10:54,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5966 states to 5966 states and 6504 transitions. [2020-10-24 01:10:54,041 INFO L78 Accepts]: Start accepts. Automaton has 5966 states and 6504 transitions. Word has length 310 [2020-10-24 01:10:54,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:10:54,041 INFO L481 AbstractCegarLoop]: Abstraction has 5966 states and 6504 transitions. [2020-10-24 01:10:54,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 01:10:54,041 INFO L276 IsEmpty]: Start isEmpty. Operand 5966 states and 6504 transitions. [2020-10-24 01:10:54,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-10-24 01:10:54,049 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:10:54,050 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-24 01:10:54,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-24 01:10:54,050 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:10:54,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:10:54,051 INFO L82 PathProgramCache]: Analyzing trace with hash -2100267250, now seen corresponding path program 1 times [2020-10-24 01:10:54,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:10:54,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1961428802] [2020-10-24 01:10:54,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:10:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:54,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:10:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:54,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:10:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:54,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 01:10:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:54,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-24 01:10:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:54,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 01:10:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:54,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-24 01:10:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:54,509 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 227 proven. 22 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2020-10-24 01:10:54,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1961428802] [2020-10-24 01:10:54,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:10:54,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 01:10:54,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017224621] [2020-10-24 01:10:54,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:10:54,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:10:54,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:10:54,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:10:54,514 INFO L87 Difference]: Start difference. First operand 5966 states and 6504 transitions. Second operand 8 states. [2020-10-24 01:10:54,920 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-24 01:10:56,113 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-24 01:10:57,402 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-24 01:10:59,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:59,196 INFO L93 Difference]: Finished difference Result 9887 states and 10720 transitions. [2020-10-24 01:10:59,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 01:10:59,201 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 318 [2020-10-24 01:10:59,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:59,222 INFO L225 Difference]: With dead ends: 9887 [2020-10-24 01:10:59,222 INFO L226 Difference]: Without dead ends: 5759 [2020-10-24 01:10:59,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-10-24 01:10:59,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5759 states. [2020-10-24 01:11:00,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5759 to 5755. [2020-10-24 01:11:00,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5755 states. [2020-10-24 01:11:00,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5755 states to 5755 states and 6187 transitions. [2020-10-24 01:11:00,578 INFO L78 Accepts]: Start accepts. Automaton has 5755 states and 6187 transitions. Word has length 318 [2020-10-24 01:11:00,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:11:00,579 INFO L481 AbstractCegarLoop]: Abstraction has 5755 states and 6187 transitions. [2020-10-24 01:11:00,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:11:00,579 INFO L276 IsEmpty]: Start isEmpty. Operand 5755 states and 6187 transitions. [2020-10-24 01:11:00,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2020-10-24 01:11:00,588 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:11:00,589 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:11:00,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-24 01:11:00,589 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:11:00,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:11:00,590 INFO L82 PathProgramCache]: Analyzing trace with hash 2052981566, now seen corresponding path program 1 times [2020-10-24 01:11:00,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:11:00,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1936875989] [2020-10-24 01:11:00,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:11:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:00,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:11:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:00,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:11:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:00,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-24 01:11:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:00,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-24 01:11:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:00,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-24 01:11:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:01,036 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 243 proven. 18 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2020-10-24 01:11:01,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1936875989] [2020-10-24 01:11:01,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:11:01,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 01:11:01,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019690440] [2020-10-24 01:11:01,037 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:11:01,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:11:01,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:11:01,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:11:01,038 INFO L87 Difference]: Start difference. First operand 5755 states and 6187 transitions. Second operand 8 states. [2020-10-24 01:11:02,438 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-24 01:11:04,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:11:04,962 INFO L93 Difference]: Finished difference Result 9648 states and 10332 transitions. [2020-10-24 01:11:04,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-24 01:11:04,963 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 350 [2020-10-24 01:11:04,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:11:04,987 INFO L225 Difference]: With dead ends: 9648 [2020-10-24 01:11:04,987 INFO L226 Difference]: Without dead ends: 5917 [2020-10-24 01:11:04,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-10-24 01:11:05,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5917 states. [2020-10-24 01:11:06,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5917 to 5743. [2020-10-24 01:11:06,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5743 states. [2020-10-24 01:11:06,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5743 states to 5743 states and 6158 transitions. [2020-10-24 01:11:06,182 INFO L78 Accepts]: Start accepts. Automaton has 5743 states and 6158 transitions. Word has length 350 [2020-10-24 01:11:06,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:11:06,182 INFO L481 AbstractCegarLoop]: Abstraction has 5743 states and 6158 transitions. [2020-10-24 01:11:06,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:11:06,183 INFO L276 IsEmpty]: Start isEmpty. Operand 5743 states and 6158 transitions. [2020-10-24 01:11:06,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2020-10-24 01:11:06,192 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:11:06,192 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:11:06,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-24 01:11:06,192 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:11:06,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:11:06,193 INFO L82 PathProgramCache]: Analyzing trace with hash 468783801, now seen corresponding path program 1 times [2020-10-24 01:11:06,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:11:06,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1341272920] [2020-10-24 01:11:06,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:11:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:06,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:11:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:06,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:11:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:06,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-24 01:11:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:06,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-24 01:11:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:06,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-24 01:11:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:06,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-24 01:11:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:06,708 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 228 proven. 42 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2020-10-24 01:11:06,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1341272920] [2020-10-24 01:11:06,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:11:06,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:11:06,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186321035] [2020-10-24 01:11:06,709 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:11:06,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:11:06,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:11:06,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:11:06,710 INFO L87 Difference]: Start difference. First operand 5743 states and 6158 transitions. Second operand 7 states. [2020-10-24 01:11:09,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:11:09,962 INFO L93 Difference]: Finished difference Result 5753 states and 6168 transitions. [2020-10-24 01:11:09,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-24 01:11:09,962 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 371 [2020-10-24 01:11:09,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:11:09,963 INFO L225 Difference]: With dead ends: 5753 [2020-10-24 01:11:09,964 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 01:11:09,974 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-24 01:11:09,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 01:11:09,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 01:11:09,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 01:11:09,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 01:11:09,975 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 371 [2020-10-24 01:11:09,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:11:09,975 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 01:11:09,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:11:09,975 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 01:11:09,975 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 01:11:09,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-24 01:11:09,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 01:11:10,472 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-24 01:11:30,214 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2020-10-24 01:11:48,810 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2020-10-24 01:11:49,639 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2020-10-24 01:11:49,748 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2020-10-24 01:11:59,598 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2020-10-24 01:12:46,255 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2020-10-24 01:12:47,330 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 159 [2020-10-24 01:12:48,779 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 159 [2020-10-24 01:13:14,402 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2020-10-24 01:13:14,513 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2020-10-24 01:13:14,629 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2020-10-24 01:13:16,013 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2020-10-24 01:13:21,726 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-10-24 01:13:24,111 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:13:26,404 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:13:28,735 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:13:29,438 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-10-24 01:13:30,029 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-10-24 01:13:30,604 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-10-24 01:13:32,953 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:13:33,765 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-10-24 01:13:36,123 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:13:37,022 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:13:37,700 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-10-24 01:13:38,266 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 60 [2020-10-24 01:13:39,126 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2020-10-24 01:13:39,638 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 56 [2020-10-24 01:13:40,959 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 171 DAG size of output: 70 [2020-10-24 01:13:43,325 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:13:44,391 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 159 DAG size of output: 64 [2020-10-24 01:13:45,061 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 63 [2020-10-24 01:13:47,387 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:13:49,748 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:13:50,424 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 57 [2020-10-24 01:13:51,029 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 60 [2020-10-24 01:13:51,973 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 62 [2020-10-24 01:13:52,738 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-10-24 01:13:53,252 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2020-10-24 01:13:55,579 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:13:56,400 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-10-24 01:13:56,906 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2020-10-24 01:13:57,605 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 63 [2020-10-24 01:13:58,269 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 57 [2020-10-24 01:13:59,041 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 62 [2020-10-24 01:14:01,403 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:14:02,089 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-10-24 01:14:04,467 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:14:05,259 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 60 [2020-10-24 01:14:06,084 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 62 [2020-10-24 01:14:06,681 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 61 [2020-10-24 01:14:09,092 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:14:09,621 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 61 [2020-10-24 01:14:10,317 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 57 [2020-10-24 01:14:10,849 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2020-10-24 01:14:11,830 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 65 [2020-10-24 01:14:12,650 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 70 [2020-10-24 01:14:13,422 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 59 [2020-10-24 01:14:14,032 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2020-10-24 01:14:16,440 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:14:16,977 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 59 [2020-10-24 01:14:17,921 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 63 [2020-10-24 01:14:18,755 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 61 [2020-10-24 01:14:19,281 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2020-10-24 01:14:19,855 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 62 [2020-10-24 01:14:20,461 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-10-24 01:14:21,142 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 56 [2020-10-24 01:14:22,124 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:14:22,719 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 61 [2020-10-24 01:14:23,702 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 65 [2020-10-24 01:14:26,170 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:14:27,020 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 61 [2020-10-24 01:14:27,726 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 62 [2020-10-24 01:14:28,348 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-10-24 01:14:28,854 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2020-10-24 01:14:29,367 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2020-10-24 01:14:31,765 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:14:32,573 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-10-24 01:14:34,973 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:14:37,367 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:14:39,740 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:14:40,354 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-10-24 01:14:41,089 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-10-24 01:14:41,708 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-10-24 01:14:44,143 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:14:46,603 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:14:47,127 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2020-10-24 01:14:48,270 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 120 DAG size of output: 67 [2020-10-24 01:14:50,642 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:14:51,244 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 60 [2020-10-24 01:14:51,912 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 64 [2020-10-24 01:14:52,533 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2020-10-24 01:14:53,343 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 63 [2020-10-24 01:14:54,620 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 168 DAG size of output: 70 [2020-10-24 01:14:55,221 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-10-24 01:14:56,118 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 62 [2020-10-24 01:14:56,654 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2020-10-24 01:14:57,792 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 174 DAG size of output: 65 [2020-10-24 01:14:58,513 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 62 [2020-10-24 01:15:00,897 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:15:01,471 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2020-10-24 01:15:02,225 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-10-24 01:15:02,741 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2020-10-24 01:15:03,316 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2020-10-24 01:15:04,208 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 66 [2020-10-24 01:15:05,042 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-10-24 01:15:05,563 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2020-10-24 01:15:08,020 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:15:10,439 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:15:11,029 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-10-24 01:15:13,454 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:15:15,872 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:15:18,315 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:15:19,071 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-10-24 01:15:20,047 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 65 [2020-10-24 01:15:20,886 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 66 [2020-10-24 01:15:23,385 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:15:23,998 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 62 [2020-10-24 01:15:24,530 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 61 [2020-10-24 01:15:25,396 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2020-10-24 01:15:26,833 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 176 DAG size of output: 69 [2020-10-24 01:15:27,710 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 63 [2020-10-24 01:15:28,446 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 62 [2020-10-24 01:15:29,383 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 63 [2020-10-24 01:15:30,171 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 61 [2020-10-24 01:15:30,754 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 60 [2020-10-24 01:15:31,289 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2020-10-24 01:15:33,735 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:15:34,658 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:15:37,086 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:15:38,080 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 68 [2020-10-24 01:15:38,924 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-10-24 01:15:39,551 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-10-24 01:15:41,962 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:15:42,841 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 64 [2020-10-24 01:15:43,553 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 62 [2020-10-24 01:15:45,926 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:15:46,610 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 66 [2020-10-24 01:15:47,209 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 61 [2020-10-24 01:15:47,773 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 61 [2020-10-24 01:15:48,317 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 59 [2020-10-24 01:15:49,057 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 62 [2020-10-24 01:15:49,788 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2020-10-24 01:15:52,185 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:15:52,831 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2020-10-24 01:15:53,681 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 62 [2020-10-24 01:15:54,376 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 61 [2020-10-24 01:15:55,109 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2020-10-24 01:15:55,694 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 58 [2020-10-24 01:15:56,370 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 63 [2020-10-24 01:15:57,114 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 62 [2020-10-24 01:15:57,965 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 61 [2020-10-24 01:15:58,874 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 63 [2020-10-24 01:15:59,797 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 65 [2020-10-24 01:16:00,565 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 65 [2020-10-24 01:16:01,111 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 61 [2020-10-24 01:16:01,765 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 64 [2020-10-24 01:16:02,366 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 64 [2020-10-24 01:16:03,382 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 133 DAG size of output: 72 [2020-10-24 01:16:04,093 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-10-24 01:16:04,927 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-10-24 01:16:05,642 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 62 [2020-10-24 01:16:08,093 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:16:10,521 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:16:11,238 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 62 [2020-10-24 01:16:11,984 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 62 [2020-10-24 01:16:12,707 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-10-24 01:16:13,426 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 65 [2020-10-24 01:16:15,896 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:16:16,645 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 62 [2020-10-24 01:16:17,198 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 61 [2020-10-24 01:16:18,435 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 123 DAG size of output: 66 [2020-10-24 01:16:20,853 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:16:23,296 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:16:23,935 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 63 [2020-10-24 01:16:24,735 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 61 [2020-10-24 01:16:27,176 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:16:28,035 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-10-24 01:16:28,786 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-10-24 01:16:29,517 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-10-24 01:16:31,988 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:16:32,836 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-10-24 01:16:33,470 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-10-24 01:16:35,929 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:16:36,568 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-10-24 01:16:39,036 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:16:39,671 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-10-24 01:16:40,395 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 57 [2020-10-24 01:16:41,130 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2020-10-24 01:16:41,682 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 59 [2020-10-24 01:16:44,122 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:16:44,763 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 63 [2020-10-24 01:16:47,140 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:16:47,665 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 61 [2020-10-24 01:16:48,509 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 65 [2020-10-24 01:16:49,238 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-10-24 01:16:51,586 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:16:53,939 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:16:54,462 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2020-10-24 01:16:55,631 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 115 DAG size of output: 62 [2020-10-24 01:16:57,982 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:16:58,596 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-10-24 01:16:59,372 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 62 [2020-10-24 01:16:59,997 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 61 [2020-10-24 01:17:00,702 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 63 [2020-10-24 01:17:01,402 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-10-24 01:17:02,247 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 60 [2020-10-24 01:17:04,618 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:17:06,993 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:17:07,873 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 66 [2020-10-24 01:17:08,526 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 66 [2020-10-24 01:17:09,054 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2020-10-24 01:17:09,719 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 66 [2020-10-24 01:17:10,428 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2020-10-24 01:17:10,984 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 59 [2020-10-24 01:17:11,605 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 63 [2020-10-24 01:17:12,177 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 57 [2020-10-24 01:17:13,009 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 60 [2020-10-24 01:17:13,712 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 57 [2020-10-24 01:17:14,412 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2020-10-24 01:17:15,092 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 63 [2020-10-24 01:17:17,471 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:17:18,581 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 115 DAG size of output: 63 [2020-10-24 01:17:19,567 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 65 [2020-10-24 01:17:20,096 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 61 [2020-10-24 01:17:20,981 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 62 [2020-10-24 01:17:23,351 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:17:23,902 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 58 [2020-10-24 01:17:26,282 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:17:27,369 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 115 DAG size of output: 63 [2020-10-24 01:17:27,954 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 64 [2020-10-24 01:17:28,770 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 62 [2020-10-24 01:17:31,132 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:17:31,708 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2020-10-24 01:17:33,842 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 229 DAG size of output: 77 [2020-10-24 01:17:34,556 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2020-10-24 01:17:35,230 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 65 [2020-10-24 01:17:36,403 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 170 DAG size of output: 63 [2020-10-24 01:17:36,951 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 62 [2020-10-24 01:17:39,347 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:17:39,871 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 56 [2020-10-24 01:17:42,266 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:17:43,114 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 64 [2020-10-24 01:17:43,640 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2020-10-24 01:17:44,814 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 174 DAG size of output: 65 [2020-10-24 01:17:45,535 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2020-10-24 01:17:47,927 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:17:48,664 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-10-24 01:17:49,504 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-10-24 01:17:50,339 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-10-24 01:17:52,746 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:17:53,597 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-10-24 01:17:55,992 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:17:58,390 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:17:58,924 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-10-24 01:18:01,323 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:18:01,852 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 57 [2020-10-24 01:18:02,570 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2020-10-24 01:18:04,970 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:18:06,311 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 174 DAG size of output: 67 [2020-10-24 01:18:07,034 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 57 [2020-10-24 01:18:07,639 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 60 [2020-10-24 01:18:10,053 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:18:10,666 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 61 [2020-10-24 01:18:13,077 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:18:13,913 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-10-24 01:18:16,318 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:18:18,734 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:18:19,637 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 62 [2020-10-24 01:18:20,212 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 59 [2020-10-24 01:18:20,776 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 57 [2020-10-24 01:18:23,207 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:18:23,857 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 60 [2020-10-24 01:18:26,276 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:18:27,150 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 60 [2020-10-24 01:18:27,983 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 63 [2020-10-24 01:18:30,402 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:18:31,037 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 63 [2020-10-24 01:18:31,933 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 61 [2020-10-24 01:18:33,216 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 168 DAG size of output: 70 [2020-10-24 01:18:33,859 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 65 [2020-10-24 01:18:36,288 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:18:38,716 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:18:39,263 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2020-10-24 01:18:39,868 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 60 [2020-10-24 01:18:42,309 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:18:44,760 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:18:46,268 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 172 DAG size of output: 65 [2020-10-24 01:18:47,325 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 190 DAG size of output: 64 [2020-10-24 01:18:49,760 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:18:50,293 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 57 [2020-10-24 01:18:51,143 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 63 [2020-10-24 01:18:52,190 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 170 DAG size of output: 61 [2020-10-24 01:18:52,926 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 63 [2020-10-24 01:18:55,378 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:18:57,815 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:18:58,830 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 187 DAG size of output: 74 [2020-10-24 01:18:59,929 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 117 DAG size of output: 66 [2020-10-24 01:19:02,387 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:19:03,018 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 58 [2020-10-24 01:19:05,467 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:19:05,991 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-10-24 01:19:06,534 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 59 [2020-10-24 01:19:07,281 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 63 [2020-10-24 01:19:07,810 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-10-24 01:19:08,698 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 60 [2020-10-24 01:19:11,159 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:19:12,098 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:19:13,048 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 63 [2020-10-24 01:19:14,188 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 112 DAG size of output: 60 [2020-10-24 01:19:14,939 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 62 [2020-10-24 01:19:15,471 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2020-10-24 01:19:17,925 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:19:20,395 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:19:21,490 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 119 DAG size of output: 67 [2020-10-24 01:19:22,339 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 63 [2020-10-24 01:19:22,973 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-10-24 01:19:25,446 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:19:26,389 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:19:27,036 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 63 [2020-10-24 01:19:27,641 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 59 [2020-10-24 01:19:30,122 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:19:30,261 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2020-10-24 01:19:32,734 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:19:35,211 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:19:36,122 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 65 [2020-10-24 01:19:37,494 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 176 DAG size of output: 68 [2020-10-24 01:19:38,343 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-10-24 01:19:39,228 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 62 [2020-10-24 01:19:40,120 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 60 [2020-10-24 01:19:40,681 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 59 [2020-10-24 01:19:41,720 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 159 DAG size of output: 62 [2020-10-24 01:19:42,604 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 64 [2020-10-24 01:19:43,266 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 64 [2020-10-24 01:19:45,755 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:19:48,232 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:19:48,843 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 57 [2020-10-24 01:19:49,834 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 69 [2020-10-24 01:19:50,483 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-10-24 01:19:52,970 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:19:54,221 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 114 DAG size of output: 61 [2020-10-24 01:19:55,090 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-10-24 01:19:55,882 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-10-24 01:19:56,525 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-10-24 01:19:59,027 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:19:59,898 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-10-24 01:20:02,390 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:20:04,889 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:20:07,393 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:20:08,044 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-10-24 01:20:08,916 WARN L193 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-10-24 01:20:09,572 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-10-24 01:20:10,429 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 63 [2020-10-24 01:20:12,930 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:20:14,198 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 117 DAG size of output: 62 [2020-10-24 01:20:14,801 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 59 [2020-10-24 01:20:17,295 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:20:19,798 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:20:20,575 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-10-24 01:20:21,452 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-10-24 01:20:22,224 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-10-24 01:20:24,724 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:20:25,378 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-10-24 01:20:27,904 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:20:30,422 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:20:31,205 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 62 [2020-10-24 01:20:41,978 WARN L193 SmtUtils]: Spent 10.76 s on a formula simplification. DAG size of input: 333 DAG size of output: 148 [2020-10-24 01:20:52,623 WARN L193 SmtUtils]: Spent 10.60 s on a formula simplification. DAG size of input: 333 DAG size of output: 148 [2020-10-24 01:20:53,493 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 63 [2020-10-24 01:20:54,200 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 63 [2020-10-24 01:20:55,207 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 66 [2020-10-24 01:20:55,861 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-10-24 01:20:56,738 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 59 [2020-10-24 01:20:57,531 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2020-10-24 01:20:58,309 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 61 [2020-10-24 01:21:00,841 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:21:03,395 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:21:04,154 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 62 [2020-10-24 01:21:04,710 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 56 [2020-10-24 01:21:05,489 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 61 [2020-10-24 01:21:06,257 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 63 [2020-10-24 01:21:07,245 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 65 [2020-10-24 01:21:08,022 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2020-10-24 01:21:08,902 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 63 [2020-10-24 01:21:09,917 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 159 DAG size of output: 66 [2020-10-24 01:21:10,791 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 62 [2020-10-24 01:21:11,797 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 63 [2020-10-24 01:21:12,677 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 63 [2020-10-24 01:21:13,820 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 167 DAG size of output: 65 [2020-10-24 01:21:14,605 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 62 [2020-10-24 01:21:15,633 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 172 DAG size of output: 64 [2020-10-24 01:21:16,657 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 133 DAG size of output: 67 [2020-10-24 01:21:17,623 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 71 [2020-10-24 01:21:18,324 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 63 [2020-10-24 01:21:20,877 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:21:21,599 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 65 [2020-10-24 01:21:22,184 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-10-24 01:21:24,740 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:21:25,537 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-10-24 01:21:26,433 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-10-24 01:21:27,331 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-10-24 01:21:29,904 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:21:30,648 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-10-24 01:21:31,554 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 61 [2020-10-24 01:21:32,173 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 58 [2020-10-24 01:21:32,953 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 61 [2020-10-24 01:21:33,709 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 59 [2020-10-24 01:21:36,278 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:21:36,864 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-10-24 01:21:37,445 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 61 [2020-10-24 01:21:38,099 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 60 [2020-10-24 01:21:38,978 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 60 [2020-10-24 01:21:39,604 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 60 [2020-10-24 01:21:42,188 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:21:43,719 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 162 DAG size of output: 67 [2020-10-24 01:21:44,570 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2020-10-24 01:21:45,184 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-10-24 01:21:45,957 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 57 [2020-10-24 01:21:46,539 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 58 [2020-10-24 01:21:49,110 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:21:49,883 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 64 [2020-10-24 01:21:50,743 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 61 [2020-10-24 01:21:53,324 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:21:54,105 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 64 [2020-10-24 01:21:54,680 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 58 [2020-10-24 01:21:55,258 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 61 [2020-10-24 01:21:57,838 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:21:58,401 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 58 [2020-10-24 01:21:59,120 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 68 [2020-10-24 01:21:59,892 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-10-24 01:22:00,805 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-10-24 01:22:01,329 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 47 [2020-10-24 01:22:02,236 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2020-10-24 01:22:04,840 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:22:05,359 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 47 [2020-10-24 01:22:07,959 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:22:10,545 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:22:11,120 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2020-10-24 01:22:12,121 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 63 [2020-10-24 01:22:12,731 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 57 [2020-10-24 01:22:13,523 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 59 [2020-10-24 01:22:16,115 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:22:16,981 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 66 [2020-10-24 01:22:17,857 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2020-10-24 01:22:18,937 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 121 DAG size of output: 68 [2020-10-24 01:22:21,539 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:22:22,126 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2020-10-24 01:22:23,117 WARN L193 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 63 [2020-10-24 01:22:23,739 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 61 [2020-10-24 01:22:24,711 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 62 [2020-10-24 01:22:26,155 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 174 DAG size of output: 67 [2020-10-24 01:22:26,767 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 57 [2020-10-24 01:22:27,362 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 59 [2020-10-24 01:22:28,792 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 171 DAG size of output: 70 [2020-10-24 01:22:29,536 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 61 [2020-10-24 01:22:30,126 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 59 [2020-10-24 01:22:31,067 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 59 [2020-10-24 01:22:32,157 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 159 DAG size of output: 62 [2020-10-24 01:22:32,890 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 66 [2020-10-24 01:22:35,491 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:22:36,071 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 58 [2020-10-24 01:22:38,683 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:22:41,297 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2020-10-24 01:22:41,920 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 58 [2020-10-24 01:22:42,487 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 57 [2020-10-24 01:22:43,171 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60