/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 01:34:25,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 01:34:25,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 01:34:25,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-24 01:34:25,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 01:34:25,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 01:34:25,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 01:34:25,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 01:34:25,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 01:34:25,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 01:34:25,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 01:34:25,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 01:34:25,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 01:34:25,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 01:34:25,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 01:34:25,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 01:34:25,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 01:34:25,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 01:34:25,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 01:34:25,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 01:34:25,461 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 01:34:25,473 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 01:34:25,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 01:34:25,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 01:34:25,476 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 01:34:25,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 01:34:25,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 01:34:25,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 01:34:25,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 01:34:25,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 01:34:25,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 01:34:25,477 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 01:34:25,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 01:34:25,478 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 01:34:25,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 01:34:25,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 01:34:25,479 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 01:34:25,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 01:34:25,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 01:34:25,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 01:34:25,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 01:34:25,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 01:34:25,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 01:34:25,481 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 01:34:25,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 01:34:25,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 01:34:25,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 01:34:25,895 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 01:34:25,896 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 01:34:25,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label11.c [2020-10-24 01:34:25,979 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af1ab3464/b223827e1b32431382d071af105cba3b/FLAG7a4afff48 [2020-10-24 01:34:26,727 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 01:34:26,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label11.c [2020-10-24 01:34:26,742 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af1ab3464/b223827e1b32431382d071af105cba3b/FLAG7a4afff48 [2020-10-24 01:34:27,004 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af1ab3464/b223827e1b32431382d071af105cba3b [2020-10-24 01:34:27,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 01:34:27,017 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 01:34:27,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 01:34:27,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 01:34:27,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 01:34:27,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:34:27" (1/1) ... [2020-10-24 01:34:27,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b19597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:34:27, skipping insertion in model container [2020-10-24 01:34:27,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:34:27" (1/1) ... [2020-10-24 01:34:27,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 01:34:27,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 01:34:27,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:34:27,652 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 01:34:27,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:34:27,836 INFO L208 MainTranslator]: Completed translation [2020-10-24 01:34:27,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:34:27 WrapperNode [2020-10-24 01:34:27,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 01:34:27,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 01:34:27,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 01:34:27,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 01:34:27,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:34:27" (1/1) ... [2020-10-24 01:34:27,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:34:27" (1/1) ... [2020-10-24 01:34:27,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:34:27" (1/1) ... [2020-10-24 01:34:27,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:34:27" (1/1) ... [2020-10-24 01:34:27,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:34:27" (1/1) ... [2020-10-24 01:34:27,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:34:27" (1/1) ... [2020-10-24 01:34:27,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:34:27" (1/1) ... [2020-10-24 01:34:27,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 01:34:27,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 01:34:27,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 01:34:27,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 01:34:27,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:34:27" (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 01:34:28,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 01:34:28,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 01:34:28,079 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 01:34:28,079 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-24 01:34:28,079 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 01:34:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-24 01:34:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 01:34:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 01:34:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 01:34:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 01:34:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 01:34:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-24 01:34:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 01:34:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 01:34:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 01:34:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 01:34:28,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 01:34:28,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 01:34:28,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 01:34:29,479 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 01:34:29,480 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-24 01:34:29,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:34:29 BoogieIcfgContainer [2020-10-24 01:34:29,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 01:34:29,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 01:34:29,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 01:34:29,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 01:34:29,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:34:27" (1/3) ... [2020-10-24 01:34:29,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e3499d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:34:29, skipping insertion in model container [2020-10-24 01:34:29,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:34:27" (2/3) ... [2020-10-24 01:34:29,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e3499d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:34:29, skipping insertion in model container [2020-10-24 01:34:29,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:34:29" (3/3) ... [2020-10-24 01:34:29,491 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label11.c [2020-10-24 01:34:29,503 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 01:34:29,509 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 01:34:29,523 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 01:34:29,559 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 01:34:29,559 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 01:34:29,559 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 01:34:29,559 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 01:34:29,560 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 01:34:29,560 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 01:34:29,560 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 01:34:29,560 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 01:34:29,599 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states. [2020-10-24 01:34:29,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-24 01:34:29,629 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:34:29,630 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:34:29,631 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:34:29,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:34:29,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1419049445, now seen corresponding path program 1 times [2020-10-24 01:34:29,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:34:29,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129325785] [2020-10-24 01:34:29,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:34:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:34:30,272 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-24 01:34:30,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:34:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:34:30,435 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 01:34:30,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [129325785] [2020-10-24 01:34:30,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:34:30,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 01:34:30,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285203631] [2020-10-24 01:34:30,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 01:34:30,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:34:30,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 01:34:30,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 01:34:30,468 INFO L87 Difference]: Start difference. First operand 539 states. Second operand 5 states. [2020-10-24 01:34:30,688 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-24 01:34:33,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:34:33,551 INFO L93 Difference]: Finished difference Result 1218 states and 1665 transitions. [2020-10-24 01:34:33,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 01:34:33,555 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2020-10-24 01:34:33,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:34:33,577 INFO L225 Difference]: With dead ends: 1218 [2020-10-24 01:34:33,577 INFO L226 Difference]: Without dead ends: 636 [2020-10-24 01:34:33,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-24 01:34:33,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2020-10-24 01:34:33,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 622. [2020-10-24 01:34:33,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-10-24 01:34:33,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 783 transitions. [2020-10-24 01:34:33,797 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 783 transitions. Word has length 143 [2020-10-24 01:34:33,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:34:33,799 INFO L481 AbstractCegarLoop]: Abstraction has 622 states and 783 transitions. [2020-10-24 01:34:33,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 01:34:33,799 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 783 transitions. [2020-10-24 01:34:33,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-24 01:34:33,806 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:34:33,807 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:34:33,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 01:34:33,807 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:34:33,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:34:33,808 INFO L82 PathProgramCache]: Analyzing trace with hash 886988422, now seen corresponding path program 1 times [2020-10-24 01:34:33,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:34:33,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [631402482] [2020-10-24 01:34:33,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:34:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:34:33,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:34:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:34:34,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:34:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:34:34,162 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:34:34,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [631402482] [2020-10-24 01:34:34,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:34:34,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-24 01:34:34,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601739163] [2020-10-24 01:34:34,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:34:34,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:34:34,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:34:34,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:34:34,170 INFO L87 Difference]: Start difference. First operand 622 states and 783 transitions. Second operand 7 states. [2020-10-24 01:34:34,920 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-24 01:34:37,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:34:37,127 INFO L93 Difference]: Finished difference Result 1701 states and 2209 transitions. [2020-10-24 01:34:37,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:34:37,128 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 169 [2020-10-24 01:34:37,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:34:37,139 INFO L225 Difference]: With dead ends: 1701 [2020-10-24 01:34:37,139 INFO L226 Difference]: Without dead ends: 1109 [2020-10-24 01:34:37,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 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 01:34:37,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2020-10-24 01:34:37,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 882. [2020-10-24 01:34:37,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2020-10-24 01:34:37,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1110 transitions. [2020-10-24 01:34:37,321 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1110 transitions. Word has length 169 [2020-10-24 01:34:37,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:34:37,322 INFO L481 AbstractCegarLoop]: Abstraction has 882 states and 1110 transitions. [2020-10-24 01:34:37,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:34:37,322 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1110 transitions. [2020-10-24 01:34:37,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-24 01:34:37,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:34:37,329 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:34:37,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 01:34:37,329 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:34:37,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:34:37,331 INFO L82 PathProgramCache]: Analyzing trace with hash -79908060, now seen corresponding path program 1 times [2020-10-24 01:34:37,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:34:37,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [3486598] [2020-10-24 01:34:37,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:34:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:34:37,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:34:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:34:37,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:34:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:34:37,686 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:34:37,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [3486598] [2020-10-24 01:34:37,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:34:37,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-24 01:34:37,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822348706] [2020-10-24 01:34:37,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:34:37,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:34:37,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:34:37,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:34:37,690 INFO L87 Difference]: Start difference. First operand 882 states and 1110 transitions. Second operand 8 states. [2020-10-24 01:34:37,907 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-24 01:34:41,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:34:41,896 INFO L93 Difference]: Finished difference Result 2764 states and 3774 transitions. [2020-10-24 01:34:41,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 01:34:41,897 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 177 [2020-10-24 01:34:41,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:34:41,911 INFO L225 Difference]: With dead ends: 2764 [2020-10-24 01:34:41,912 INFO L226 Difference]: Without dead ends: 1912 [2020-10-24 01:34:41,917 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-24 01:34:41,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2020-10-24 01:34:42,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1679. [2020-10-24 01:34:42,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1679 states. [2020-10-24 01:34:42,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1679 states and 2181 transitions. [2020-10-24 01:34:42,310 INFO L78 Accepts]: Start accepts. Automaton has 1679 states and 2181 transitions. Word has length 177 [2020-10-24 01:34:42,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:34:42,310 INFO L481 AbstractCegarLoop]: Abstraction has 1679 states and 2181 transitions. [2020-10-24 01:34:42,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:34:42,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 2181 transitions. [2020-10-24 01:34:42,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-24 01:34:42,319 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:34:42,319 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:34:42,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 01:34:42,320 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:34:42,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:34:42,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1148348198, now seen corresponding path program 1 times [2020-10-24 01:34:42,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:34:42,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [747952850] [2020-10-24 01:34:42,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:34:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:34:42,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:34:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:34:42,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:34:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:34:42,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-24 01:34:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:34:43,024 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 33 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-24 01:34:43,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [747952850] [2020-10-24 01:34:43,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:34:43,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-24 01:34:43,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311197422] [2020-10-24 01:34:43,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 01:34:43,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:34:43,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 01:34:43,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-10-24 01:34:43,028 INFO L87 Difference]: Start difference. First operand 1679 states and 2181 transitions. Second operand 13 states. [2020-10-24 01:34:44,942 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-10-24 01:34:46,615 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-10-24 01:34:48,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:34:48,806 INFO L93 Difference]: Finished difference Result 5336 states and 7137 transitions. [2020-10-24 01:34:48,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-24 01:34:48,807 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 199 [2020-10-24 01:34:48,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:34:48,828 INFO L225 Difference]: With dead ends: 5336 [2020-10-24 01:34:48,828 INFO L226 Difference]: Without dead ends: 2577 [2020-10-24 01:34:48,843 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-10-24 01:34:48,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2577 states. [2020-10-24 01:34:49,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2577 to 2303. [2020-10-24 01:34:49,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2303 states. [2020-10-24 01:34:49,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 2303 states and 2803 transitions. [2020-10-24 01:34:49,403 INFO L78 Accepts]: Start accepts. Automaton has 2303 states and 2803 transitions. Word has length 199 [2020-10-24 01:34:49,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:34:49,405 INFO L481 AbstractCegarLoop]: Abstraction has 2303 states and 2803 transitions. [2020-10-24 01:34:49,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 01:34:49,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 2803 transitions. [2020-10-24 01:34:49,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-24 01:34:49,418 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:34:49,418 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:34:49,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 01:34:49,419 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:34:49,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:34:49,419 INFO L82 PathProgramCache]: Analyzing trace with hash 877582893, now seen corresponding path program 1 times [2020-10-24 01:34:49,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:34:49,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [325971984] [2020-10-24 01:34:49,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:34:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:34:49,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:34:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:34:49,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:34:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:34:49,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-24 01:34:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:34:49,838 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-24 01:34:49,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [325971984] [2020-10-24 01:34:49,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:34:49,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 01:34:49,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037492261] [2020-10-24 01:34:49,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:34:49,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:34:49,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:34:49,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:34:49,842 INFO L87 Difference]: Start difference. First operand 2303 states and 2803 transitions. Second operand 8 states. [2020-10-24 01:34:50,051 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-24 01:34:51,069 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-24 01:34:53,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:34:53,699 INFO L93 Difference]: Finished difference Result 6172 states and 7769 transitions. [2020-10-24 01:34:53,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 01:34:53,702 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 200 [2020-10-24 01:34:53,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:34:53,728 INFO L225 Difference]: With dead ends: 6172 [2020-10-24 01:34:53,729 INFO L226 Difference]: Without dead ends: 3744 [2020-10-24 01:34:53,740 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-24 01:34:53,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2020-10-24 01:34:54,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3545. [2020-10-24 01:34:54,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3545 states. [2020-10-24 01:34:54,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 3545 states and 4216 transitions. [2020-10-24 01:34:54,513 INFO L78 Accepts]: Start accepts. Automaton has 3545 states and 4216 transitions. Word has length 200 [2020-10-24 01:34:54,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:34:54,514 INFO L481 AbstractCegarLoop]: Abstraction has 3545 states and 4216 transitions. [2020-10-24 01:34:54,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:34:54,514 INFO L276 IsEmpty]: Start isEmpty. Operand 3545 states and 4216 transitions. [2020-10-24 01:34:54,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-24 01:34:54,528 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:34:54,528 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:34:54,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 01:34:54,529 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:34:54,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:34:54,529 INFO L82 PathProgramCache]: Analyzing trace with hash 876581112, now seen corresponding path program 1 times [2020-10-24 01:34:54,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:34:54,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1562186324] [2020-10-24 01:34:54,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:34:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:34:54,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:34:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:34:54,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:34:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:34:54,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-24 01:34:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:34:54,846 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-24 01:34:54,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1562186324] [2020-10-24 01:34:54,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:34:54,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:34:54,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923467656] [2020-10-24 01:34:54,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:34:54,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:34:54,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:34:54,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:34:54,851 INFO L87 Difference]: Start difference. First operand 3545 states and 4216 transitions. Second operand 7 states. [2020-10-24 01:34:59,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:34:59,209 INFO L93 Difference]: Finished difference Result 7913 states and 9711 transitions. [2020-10-24 01:34:59,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 01:34:59,210 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 226 [2020-10-24 01:34:59,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:34:59,247 INFO L225 Difference]: With dead ends: 7913 [2020-10-24 01:34:59,247 INFO L226 Difference]: Without dead ends: 4398 [2020-10-24 01:34:59,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 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 01:34:59,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4398 states. [2020-10-24 01:35:00,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4398 to 3999. [2020-10-24 01:35:00,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3999 states. [2020-10-24 01:35:00,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3999 states to 3999 states and 4604 transitions. [2020-10-24 01:35:00,204 INFO L78 Accepts]: Start accepts. Automaton has 3999 states and 4604 transitions. Word has length 226 [2020-10-24 01:35:00,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:35:00,205 INFO L481 AbstractCegarLoop]: Abstraction has 3999 states and 4604 transitions. [2020-10-24 01:35:00,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:35:00,205 INFO L276 IsEmpty]: Start isEmpty. Operand 3999 states and 4604 transitions. [2020-10-24 01:35:00,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-10-24 01:35:00,223 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:35:00,224 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:35:00,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 01:35:00,225 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:35:00,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:35:00,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1468615734, now seen corresponding path program 1 times [2020-10-24 01:35:00,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:35:00,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1641646109] [2020-10-24 01:35:00,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:35:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:35:00,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:35:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:35:00,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:35:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:35:00,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 01:35:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:35:00,585 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-24 01:35:00,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1641646109] [2020-10-24 01:35:00,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:35:00,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:35:00,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374253032] [2020-10-24 01:35:00,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:35:00,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:35:00,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:35:00,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:35:00,588 INFO L87 Difference]: Start difference. First operand 3999 states and 4604 transitions. Second operand 7 states. [2020-10-24 01:35:03,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:35:03,672 INFO L93 Difference]: Finished difference Result 9295 states and 10994 transitions. [2020-10-24 01:35:03,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:35:03,673 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 242 [2020-10-24 01:35:03,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:35:03,698 INFO L225 Difference]: With dead ends: 9295 [2020-10-24 01:35:03,698 INFO L226 Difference]: Without dead ends: 4176 [2020-10-24 01:35:03,718 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 01:35:03,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4176 states. [2020-10-24 01:35:04,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4176 to 3917. [2020-10-24 01:35:04,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3917 states. [2020-10-24 01:35:04,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3917 states to 3917 states and 4287 transitions. [2020-10-24 01:35:04,462 INFO L78 Accepts]: Start accepts. Automaton has 3917 states and 4287 transitions. Word has length 242 [2020-10-24 01:35:04,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:35:04,463 INFO L481 AbstractCegarLoop]: Abstraction has 3917 states and 4287 transitions. [2020-10-24 01:35:04,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:35:04,463 INFO L276 IsEmpty]: Start isEmpty. Operand 3917 states and 4287 transitions. [2020-10-24 01:35:04,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-10-24 01:35:04,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:35:04,477 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:35:04,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 01:35:04,477 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:35:04,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:35:04,478 INFO L82 PathProgramCache]: Analyzing trace with hash -916085738, now seen corresponding path program 1 times [2020-10-24 01:35:04,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:35:04,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [705910612] [2020-10-24 01:35:04,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:35:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:35:04,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:35:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:35:04,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:35:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:35:04,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-24 01:35:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:35:05,136 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 104 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-24 01:35:05,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [705910612] [2020-10-24 01:35:05,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:35:05,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-24 01:35:05,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250341750] [2020-10-24 01:35:05,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 01:35:05,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:35:05,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 01:35:05,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-10-24 01:35:05,139 INFO L87 Difference]: Start difference. First operand 3917 states and 4287 transitions. Second operand 13 states. [2020-10-24 01:35:06,894 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-24 01:35:09,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:35:09,264 INFO L93 Difference]: Finished difference Result 6661 states and 7269 transitions. [2020-10-24 01:35:09,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 01:35:09,264 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 270 [2020-10-24 01:35:09,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:35:09,269 INFO L225 Difference]: With dead ends: 6661 [2020-10-24 01:35:09,269 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 01:35:09,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2020-10-24 01:35:09,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 01:35:09,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 01:35:09,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 01:35:09,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 01:35:09,285 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 270 [2020-10-24 01:35:09,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:35:09,286 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 01:35:09,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 01:35:09,286 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 01:35:09,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 01:35:09,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 01:35:09,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 01:35:27,344 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-10-24 01:35:41,476 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-10-24 01:35:58,420 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-10-24 01:35:58,528 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-10-24 01:35:58,637 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-10-24 01:35:58,747 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-10-24 01:36:06,446 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-10-24 01:36:06,558 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-10-24 01:36:06,670 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-10-24 01:36:13,727 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-10-24 01:36:20,955 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:36:21,976 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2020-10-24 01:36:25,310 WARN L193 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:36:26,589 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2020-10-24 01:36:27,742 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:36:31,138 WARN L193 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:36:34,580 WARN L193 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:36:38,003 WARN L193 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:36:39,178 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:36:40,339 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:36:41,514 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:36:44,921 WARN L193 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:36:45,929 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-10-24 01:36:46,992 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-10-24 01:36:48,150 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 150 DAG size of output: 74 [2020-10-24 01:36:49,179 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2020-10-24 01:36:50,228 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2020-10-24 01:36:51,148 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:36:52,263 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 99 DAG size of output: 69 [2020-10-24 01:36:53,292 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2020-10-24 01:36:54,378 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 113 DAG size of output: 75 [2020-10-24 01:36:57,812 WARN L193 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:37:01,222 WARN L193 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:37:02,411 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2020-10-24 01:37:03,369 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2020-10-24 01:37:04,569 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:37:05,694 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:37:08,900 WARN L193 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:37:10,231 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 155 DAG size of output: 72 [2020-10-24 01:37:12,057 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 155 DAG size of output: 79 [2020-10-24 01:37:15,322 WARN L193 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:37:16,600 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 148 DAG size of output: 74 [2020-10-24 01:37:17,734 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2020-10-24 01:37:18,771 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-10-24 01:37:19,711 WARN L193 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2020-10-24 01:37:20,701 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2020-10-24 01:37:23,950 WARN L193 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:37:24,932 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2020-10-24 01:37:25,789 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:37:29,046 WARN L193 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:37:30,084 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-10-24 01:37:31,476 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 160 DAG size of output: 79 [2020-10-24 01:37:34,721 WARN L193 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:37:35,851 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 106 DAG size of output: 76 [2020-10-24 01:37:37,476 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 154 DAG size of output: 79 [2020-10-24 01:37:40,752 WARN L193 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:37:44,026 WARN L193 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:37:45,014 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2020-10-24 01:37:46,311 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2020-10-24 01:37:47,315 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2020-10-24 01:37:48,393 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2020-10-24 01:37:49,543 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 106 DAG size of output: 76 [2020-10-24 01:37:50,502 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2020-10-24 01:37:51,464 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2020-10-24 01:37:52,551 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 104 DAG size of output: 75 [2020-10-24 01:37:53,917 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 146 DAG size of output: 73 [2020-10-24 01:37:55,071 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 115 DAG size of output: 77 [2020-10-24 01:37:58,355 WARN L193 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:38:01,654 WARN L193 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:38:04,959 WARN L193 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:38:06,267 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 148 DAG size of output: 73 [2020-10-24 01:38:07,286 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2020-10-24 01:38:10,598 WARN L193 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:38:11,608 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-10-24 01:38:12,795 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:38:14,046 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2020-10-24 01:38:17,289 WARN L193 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:38:18,424 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:38:21,685 WARN L193 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:38:24,941 WARN L193 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:38:28,192 WARN L193 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:38:29,325 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:38:30,325 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2020-10-24 01:38:33,638 WARN L193 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:38:35,494 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 154 DAG size of output: 79 [2020-10-24 01:38:36,918 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 156 DAG size of output: 78 [2020-10-24 01:38:37,911 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2020-10-24 01:38:39,202 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2020-10-24 01:38:40,221 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2020-10-24 01:38:41,127 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:38:42,191 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2020-10-24 01:38:45,864 WARN L193 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:38:49,524 WARN L193 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:38:50,690 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2020-10-24 01:38:51,881 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 99 DAG size of output: 69 [2020-10-24 01:38:52,984 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2020-10-24 01:38:54,144 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 100 DAG size of output: 70 [2020-10-24 01:38:55,736 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 151 DAG size of output: 79 [2020-10-24 01:38:59,282 WARN L193 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:39:02,889 WARN L193 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:39:06,411 WARN L193 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:39:07,874 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-10-24 01:39:09,135 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:39:10,375 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:39:13,938 WARN L193 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:39:15,153 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:39:18,649 WARN L193 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:39:22,143 WARN L193 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:39:23,396 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 112 DAG size of output: 77 [2020-10-24 01:39:25,161 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 154 DAG size of output: 80 [2020-10-24 01:39:26,251 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 150 DAG size of output: 71 [2020-10-24 01:39:27,418 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2020-10-24 01:39:28,811 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 146 DAG size of output: 71 [2020-10-24 01:39:32,321 WARN L193 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:39:33,275 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:39:36,710 WARN L193 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:39:37,675 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2020-10-24 01:39:38,773 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2020-10-24 01:39:40,177 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 152 DAG size of output: 75 [2020-10-24 01:39:43,606 WARN L193 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:39:47,010 WARN L193 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:39:50,399 WARN L193 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:39:51,424 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 109 DAG size of output: 75 [2020-10-24 01:39:52,531 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 151 DAG size of output: 74 [2020-10-24 01:39:53,442 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:39:56,782 WARN L193 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:39:57,951 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:39:59,115 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:40:00,283 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:40:01,399 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 149 DAG size of output: 72 [2020-10-24 01:40:02,433 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2020-10-24 01:40:03,350 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:40:04,682 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 160 DAG size of output: 77 [2020-10-24 01:40:05,856 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 107 DAG size of output: 75 [2020-10-24 01:40:06,927 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-10-24 01:40:07,984 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-10-24 01:40:09,069 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 148 DAG size of output: 71 [2020-10-24 01:40:10,167 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-10-24 01:40:11,189 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-10-24 01:40:14,607 WARN L193 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:40:15,695 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 148 DAG size of output: 71 [2020-10-24 01:40:19,116 WARN L193 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:40:22,533 WARN L193 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:40:23,642 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 146 DAG size of output: 72 [2020-10-24 01:40:24,829 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2020-10-24 01:40:25,748 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:40:26,812 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-10-24 01:40:27,887 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2020-10-24 01:40:29,291 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 106 DAG size of output: 79 [2020-10-24 01:40:30,387 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2020-10-24 01:40:31,313 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:40:32,413 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 144 DAG size of output: 72 [2020-10-24 01:40:33,435 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2020-10-24 01:40:34,623 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:40:35,561 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:40:38,921 WARN L193 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:40:40,102 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:40:43,480 WARN L193 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:40:44,675 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:40:46,059 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 146 DAG size of output: 71 [2020-10-24 01:40:47,100 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2020-10-24 01:40:48,125 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2020-10-24 01:40:51,581 WARN L193 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:40:52,655 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 99 DAG size of output: 68 [2020-10-24 01:40:53,660 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2020-10-24 01:40:54,662 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2020-10-24 01:40:58,110 WARN L193 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:40:59,305 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:41:02,703 WARN L193 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:41:06,096 WARN L193 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:41:07,224 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-10-24 01:41:10,634 WARN L193 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:41:11,578 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:41:12,772 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:41:16,205 WARN L193 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:41:17,592 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:41:18,995 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:41:20,410 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:41:24,147 WARN L193 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:41:25,455 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:41:29,095 WARN L193 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:41:30,301 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 146 DAG size of output: 72 [2020-10-24 01:41:31,449 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-24 01:41:32,635 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 148 DAG size of output: 71 [2020-10-24 01:41:36,384 WARN L193 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:41:37,477 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2020-10-24 01:41:38,677 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-10-24 01:41:39,936 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2020-10-24 01:41:43,512 WARN L193 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:41:47,065 WARN L193 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:41:48,278 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 151 DAG size of output: 74 [2020-10-24 01:41:51,939 WARN L193 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:41:53,237 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:41:56,855 WARN L193 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:42:00,312 WARN L193 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:42:03,962 WARN L193 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:42:04,932 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:42:05,981 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2020-10-24 01:42:09,653 WARN L193 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:42:10,747 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-24 01:42:14,401 WARN L193 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:42:15,709 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 156 DAG size of output: 76 [2020-10-24 01:42:16,809 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2020-10-24 01:42:18,113 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2020-10-24 01:42:19,157 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:42:20,276 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2020-10-24 01:42:21,527 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-10-24 01:42:22,770 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-10-24 01:42:24,005 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 149 DAG size of output: 72 [2020-10-24 01:42:25,223 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 146 DAG size of output: 71 [2020-10-24 01:42:26,388 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-10-24 01:42:27,434 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:42:28,607 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2020-10-24 01:42:32,334 WARN L193 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:42:33,435 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2020-10-24 01:42:34,883 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2020-10-24 01:42:35,950 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2020-10-24 01:42:37,057 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2020-10-24 01:42:40,738 WARN L193 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:42:44,435 WARN L193 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:42:45,441 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:42:46,632 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2020-10-24 01:42:48,180 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 152 DAG size of output: 74 [2020-10-24 01:42:49,244 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2020-10-24 01:42:50,457 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-10-24 01:42:51,630 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-10-24 01:42:52,688 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-10-24 01:42:53,814 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 103 DAG size of output: 73 [2020-10-24 01:42:57,481 WARN L193 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:43:01,189 WARN L193 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:43:02,635 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2020-10-24 01:43:06,386 WARN L193 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:43:10,102 WARN L193 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:43:11,265 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2020-10-24 01:43:14,968 WARN L193 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:43:16,569 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 151 DAG size of output: 75 [2020-10-24 01:43:20,266 WARN L193 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:43:21,540 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:43:25,223 WARN L193 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:43:28,771 WARN L193 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:43:32,289 WARN L193 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:43:33,608 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:43:34,852 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:43:36,078 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:43:39,605 WARN L193 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:43:40,928 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:43:42,030 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2020-10-24 01:43:43,131 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-24 01:43:44,251 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-10-24 01:43:45,393 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 99 DAG size of output: 68 [2020-10-24 01:43:46,615 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 158 DAG size of output: 76 [2020-10-24 01:43:47,602 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:43:48,683 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-10-24 01:43:49,792 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-24 01:43:50,846 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2020-10-24 01:43:51,945 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2020-10-24 01:43:53,147 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2020-10-24 01:43:54,650 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 148 DAG size of output: 73 [2020-10-24 01:43:56,188 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 155 DAG size of output: 77 [2020-10-24 01:43:57,499 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:44:01,043 WARN L193 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:44:02,281 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2020-10-24 01:44:03,347 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2020-10-24 01:44:04,461 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2020-10-24 01:44:08,079 WARN L193 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:44:09,689 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 151 DAG size of output: 79 [2020-10-24 01:44:11,162 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2020-10-24 01:44:12,300 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2020-10-24 01:44:13,371 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2020-10-24 01:44:14,492 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2020-10-24 01:44:15,492 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:44:16,611 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 110 DAG size of output: 74 [2020-10-24 01:44:18,648 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 155 DAG size of output: 79 [2020-10-24 01:44:19,767 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2020-10-24 01:44:20,967 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-10-24 01:44:24,588 WARN L193 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:44:28,210 WARN L193 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:44:29,211 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:44:32,844 WARN L193 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:44:36,418 WARN L193 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:44:37,589 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2020-10-24 01:44:38,928 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2020-10-24 01:44:39,935 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:44:40,936 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:44:42,045 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2020-10-24 01:44:43,194 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-10-24 01:44:46,828 WARN L193 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:44:47,931 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-10-24 01:44:49,145 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2020-10-24 01:44:52,780 WARN L193 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:44:53,878 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 94 DAG size of output: 64 [2020-10-24 01:44:57,555 WARN L193 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:44:58,867 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-10-24 01:44:59,946 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2020-10-24 01:45:03,602 WARN L193 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:45:04,830 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 96 DAG size of output: 66 [2020-10-24 01:45:06,043 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-24 01:45:07,218 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2020-10-24 01:45:08,394 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 96 DAG size of output: 66 [2020-10-24 01:45:09,479 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-10-24 01:45:11,077 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 156 DAG size of output: 78 [2020-10-24 01:45:12,526 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-10-24 01:45:14,396 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 154 DAG size of output: 79 [2020-10-24 01:45:15,550 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2020-10-24 01:45:17,006 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2020-10-24 01:45:18,146 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 107 DAG size of output: 73 [2020-10-24 01:45:20,254 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 155 DAG size of output: 79 [2020-10-24 01:45:21,401 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2020-10-24 01:45:22,565 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 150 DAG size of output: 71 [2020-10-24 01:45:23,889 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2020-10-24 01:45:24,917 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:45:26,053 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2020-10-24 01:45:29,749 WARN L193 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:45:29,891 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 34 [2020-10-24 01:45:33,598 WARN L193 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:45:34,621 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:45:35,986 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2020-10-24 01:45:37,011 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:45:38,230 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2020-10-24 01:45:39,638 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 162 DAG size of output: 78 [2020-10-24 01:45:40,807 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-10-24 01:45:42,127 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-10-24 01:45:43,591 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-10-24 01:45:44,623 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:45:45,868 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 151 DAG size of output: 74 [2020-10-24 01:45:47,080 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-24 01:45:48,176 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2020-10-24 01:45:51,882 WARN L193 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:45:53,188 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:45:54,301 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2020-10-24 01:45:57,986 WARN L193 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:46:01,701 WARN L193 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:46:02,893 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-10-24 01:46:06,561 WARN L193 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:46:07,932 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:46:09,316 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:46:10,683 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:46:14,373 WARN L193 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:46:15,684 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:46:19,357 WARN L193 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:46:23,054 WARN L193 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:46:24,373 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:46:28,070 WARN L193 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:46:31,752 WARN L193 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:46:33,138 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:46:34,459 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2020-10-24 01:46:35,959 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 150 DAG size of output: 75 [2020-10-24 01:46:37,126 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-10-24 01:46:38,251 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2020-10-24 01:46:39,648 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:46:43,354 WARN L193 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:46:46,979 WARN L193 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 189 DAG size of output: 74 [2020-10-24 01:46:48,097 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2020-10-24 01:46:51,897 WARN L193 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:46:55,630 WARN L193 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:46:56,964 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:46:58,290 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:46:59,684 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:47:03,426 WARN L193 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:47:04,536 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2020-10-24 01:47:05,642 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2020-10-24 01:47:06,756 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2020-10-24 01:47:07,900 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2020-10-24 01:47:20,212 WARN L193 SmtUtils]: Spent 12.30 s on a formula simplification. DAG size of input: 298 DAG size of output: 159