/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label01.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 01:24:38,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 01:24:38,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 01:24:38,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-24 01:24:38,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 01:24:38,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 01:24:38,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 01:24:38,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 01:24:38,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 01:24:38,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 01:24:38,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 01:24:38,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 01:24:38,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 01:24:38,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 01:24:38,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 01:24:38,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 01:24:38,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 01:24:38,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 01:24:38,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 01:24:38,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 01:24:38,422 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 01:24:38,434 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 01:24:38,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 01:24:38,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 01:24:38,442 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 01:24:38,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 01:24:38,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 01:24:38,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 01:24:38,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 01:24:38,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 01:24:38,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 01:24:38,443 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 01:24:38,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 01:24:38,444 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 01:24:38,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 01:24:38,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 01:24:38,445 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 01:24:38,445 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 01:24:38,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 01:24:38,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 01:24:38,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 01:24:38,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 01:24:38,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 01:24:38,446 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 01:24:38,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 01:24:38,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 01:24:38,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 01:24:38,845 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 01:24:38,845 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 01:24:38,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label01.c [2020-10-24 01:24:38,931 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91ca3cc76/c00bd5f5e8d3492b8ee65fb3b9d9375b/FLAGb483ab7b4 [2020-10-24 01:24:39,706 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 01:24:39,707 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label01.c [2020-10-24 01:24:39,725 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91ca3cc76/c00bd5f5e8d3492b8ee65fb3b9d9375b/FLAGb483ab7b4 [2020-10-24 01:24:39,952 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91ca3cc76/c00bd5f5e8d3492b8ee65fb3b9d9375b [2020-10-24 01:24:39,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 01:24:39,962 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 01:24:39,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 01:24:39,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 01:24:39,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 01:24:39,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:24:39" (1/1) ... [2020-10-24 01:24:39,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e3368ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:39, skipping insertion in model container [2020-10-24 01:24:39,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:24:39" (1/1) ... [2020-10-24 01:24:39,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 01:24:40,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 01:24:40,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:24:40,563 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 01:24:40,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:24:40,701 INFO L208 MainTranslator]: Completed translation [2020-10-24 01:24:40,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:40 WrapperNode [2020-10-24 01:24:40,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 01:24:40,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 01:24:40,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 01:24:40,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 01:24:40,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:40" (1/1) ... [2020-10-24 01:24:40,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:40" (1/1) ... [2020-10-24 01:24:40,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:40" (1/1) ... [2020-10-24 01:24:40,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:40" (1/1) ... [2020-10-24 01:24:40,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:40" (1/1) ... [2020-10-24 01:24:40,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:40" (1/1) ... [2020-10-24 01:24:40,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:40" (1/1) ... [2020-10-24 01:24:40,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 01:24:40,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 01:24:40,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 01:24:40,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 01:24:40,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:40" (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 01:24:40,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 01:24:40,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 01:24:40,953 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 01:24:40,953 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-24 01:24:40,953 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 01:24:40,953 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-24 01:24:40,954 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 01:24:40,954 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 01:24:40,954 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 01:24:40,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 01:24:40,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 01:24:40,955 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-24 01:24:40,955 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 01:24:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 01:24:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 01:24:40,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 01:24:40,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 01:24:40,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 01:24:40,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 01:24:42,320 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 01:24:42,320 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-24 01:24:42,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:24:42 BoogieIcfgContainer [2020-10-24 01:24:42,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 01:24:42,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 01:24:42,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 01:24:42,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 01:24:42,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:24:39" (1/3) ... [2020-10-24 01:24:42,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d6c161b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:24:42, skipping insertion in model container [2020-10-24 01:24:42,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:40" (2/3) ... [2020-10-24 01:24:42,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d6c161b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:24:42, skipping insertion in model container [2020-10-24 01:24:42,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:24:42" (3/3) ... [2020-10-24 01:24:42,333 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label01.c [2020-10-24 01:24:42,346 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 01:24:42,352 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 01:24:42,366 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 01:24:42,390 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 01:24:42,390 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 01:24:42,391 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 01:24:42,391 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 01:24:42,391 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 01:24:42,391 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 01:24:42,391 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 01:24:42,391 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 01:24:42,418 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states. [2020-10-24 01:24:42,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-24 01:24:42,443 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:24:42,444 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:24:42,444 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:24:42,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:24:42,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1082819388, now seen corresponding path program 1 times [2020-10-24 01:24:42,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:24:42,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [584571916] [2020-10-24 01:24:42,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:24:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:43,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:24:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:43,174 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 01:24:43,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [584571916] [2020-10-24 01:24:43,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:24:43,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 01:24:43,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008029970] [2020-10-24 01:24:43,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 01:24:43,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:24:43,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 01:24:43,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 01:24:43,202 INFO L87 Difference]: Start difference. First operand 539 states. Second operand 5 states. [2020-10-24 01:24:46,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:24:46,083 INFO L93 Difference]: Finished difference Result 1218 states and 1665 transitions. [2020-10-24 01:24:46,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 01:24:46,085 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-10-24 01:24:46,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:24:46,106 INFO L225 Difference]: With dead ends: 1218 [2020-10-24 01:24:46,106 INFO L226 Difference]: Without dead ends: 636 [2020-10-24 01:24:46,116 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 01:24:46,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2020-10-24 01:24:46,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 622. [2020-10-24 01:24:46,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-10-24 01:24:46,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 783 transitions. [2020-10-24 01:24:46,339 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 783 transitions. Word has length 148 [2020-10-24 01:24:46,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:24:46,340 INFO L481 AbstractCegarLoop]: Abstraction has 622 states and 783 transitions. [2020-10-24 01:24:46,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 01:24:46,341 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 783 transitions. [2020-10-24 01:24:46,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-24 01:24:46,352 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:24:46,352 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:24:46,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 01:24:46,353 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:24:46,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:24:46,354 INFO L82 PathProgramCache]: Analyzing trace with hash -2012957263, now seen corresponding path program 1 times [2020-10-24 01:24:46,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:24:46,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028127701] [2020-10-24 01:24:46,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:24:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:46,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:24:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:46,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:24:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:46,732 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 01:24:46,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1028127701] [2020-10-24 01:24:46,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:24:46,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-24 01:24:46,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442229384] [2020-10-24 01:24:46,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:24:46,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:24:46,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:24:46,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:24:46,736 INFO L87 Difference]: Start difference. First operand 622 states and 783 transitions. Second operand 7 states. [2020-10-24 01:24:49,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:24:49,565 INFO L93 Difference]: Finished difference Result 1701 states and 2209 transitions. [2020-10-24 01:24:49,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:24:49,569 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2020-10-24 01:24:49,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:24:49,587 INFO L225 Difference]: With dead ends: 1701 [2020-10-24 01:24:49,587 INFO L226 Difference]: Without dead ends: 1109 [2020-10-24 01:24:49,592 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 01:24:49,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2020-10-24 01:24:49,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 882. [2020-10-24 01:24:49,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2020-10-24 01:24:49,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1110 transitions. [2020-10-24 01:24:49,770 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1110 transitions. Word has length 174 [2020-10-24 01:24:49,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:24:49,771 INFO L481 AbstractCegarLoop]: Abstraction has 882 states and 1110 transitions. [2020-10-24 01:24:49,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:24:49,771 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1110 transitions. [2020-10-24 01:24:49,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-24 01:24:49,776 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:24:49,776 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:24:49,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 01:24:49,777 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:24:49,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:24:49,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1897436115, now seen corresponding path program 1 times [2020-10-24 01:24:49,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:24:49,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039953725] [2020-10-24 01:24:49,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:24:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:49,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:24:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:50,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:24:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:50,220 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 01:24:50,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2039953725] [2020-10-24 01:24:50,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:24:50,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-24 01:24:50,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709153198] [2020-10-24 01:24:50,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:24:50,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:24:50,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:24:50,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:24:50,233 INFO L87 Difference]: Start difference. First operand 882 states and 1110 transitions. Second operand 8 states. [2020-10-24 01:24:50,484 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-24 01:24:54,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:24:54,335 INFO L93 Difference]: Finished difference Result 2764 states and 3774 transitions. [2020-10-24 01:24:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 01:24:54,335 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 182 [2020-10-24 01:24:54,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:24:54,350 INFO L225 Difference]: With dead ends: 2764 [2020-10-24 01:24:54,350 INFO L226 Difference]: Without dead ends: 1912 [2020-10-24 01:24:54,356 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 01:24:54,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2020-10-24 01:24:54,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1679. [2020-10-24 01:24:54,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1679 states. [2020-10-24 01:24:54,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1679 states and 2181 transitions. [2020-10-24 01:24:54,767 INFO L78 Accepts]: Start accepts. Automaton has 1679 states and 2181 transitions. Word has length 182 [2020-10-24 01:24:54,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:24:54,767 INFO L481 AbstractCegarLoop]: Abstraction has 1679 states and 2181 transitions. [2020-10-24 01:24:54,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:24:54,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 2181 transitions. [2020-10-24 01:24:54,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-24 01:24:54,776 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:24:54,776 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:24:54,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 01:24:54,777 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:24:54,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:24:54,778 INFO L82 PathProgramCache]: Analyzing trace with hash -860024559, now seen corresponding path program 1 times [2020-10-24 01:24:54,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:24:54,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [751164173] [2020-10-24 01:24:54,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:24:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:55,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:24:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:55,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:24:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:55,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-24 01:24:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:55,646 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 01:24:55,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [751164173] [2020-10-24 01:24:55,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:24:55,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-24 01:24:55,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139206900] [2020-10-24 01:24:55,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 01:24:55,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:24:55,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 01:24:55,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-10-24 01:24:55,650 INFO L87 Difference]: Start difference. First operand 1679 states and 2181 transitions. Second operand 13 states. [2020-10-24 01:24:57,568 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-10-24 01:24:59,133 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-10-24 01:25:01,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:25:01,242 INFO L93 Difference]: Finished difference Result 5336 states and 7137 transitions. [2020-10-24 01:25:01,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-24 01:25:01,243 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 204 [2020-10-24 01:25:01,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:25:01,301 INFO L225 Difference]: With dead ends: 5336 [2020-10-24 01:25:01,302 INFO L226 Difference]: Without dead ends: 2577 [2020-10-24 01:25:01,318 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 01:25:01,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2577 states. [2020-10-24 01:25:01,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2577 to 2303. [2020-10-24 01:25:01,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2303 states. [2020-10-24 01:25:01,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 2303 states and 2803 transitions. [2020-10-24 01:25:01,879 INFO L78 Accepts]: Start accepts. Automaton has 2303 states and 2803 transitions. Word has length 204 [2020-10-24 01:25:01,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:25:01,880 INFO L481 AbstractCegarLoop]: Abstraction has 2303 states and 2803 transitions. [2020-10-24 01:25:01,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 01:25:01,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 2803 transitions. [2020-10-24 01:25:01,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-24 01:25:01,890 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:25:01,891 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:25:01,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 01:25:01,891 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:25:01,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:25:01,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1348310422, now seen corresponding path program 1 times [2020-10-24 01:25:01,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:25:01,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1559471495] [2020-10-24 01:25:01,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:25:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:02,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:25:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:02,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:25:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:02,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-24 01:25:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:02,139 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 01:25:02,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1559471495] [2020-10-24 01:25:02,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:25:02,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 01:25:02,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603221029] [2020-10-24 01:25:02,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:25:02,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:25:02,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:25:02,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:25:02,142 INFO L87 Difference]: Start difference. First operand 2303 states and 2803 transitions. Second operand 8 states. [2020-10-24 01:25:05,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:25:05,853 INFO L93 Difference]: Finished difference Result 6172 states and 7769 transitions. [2020-10-24 01:25:05,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 01:25:05,855 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 205 [2020-10-24 01:25:05,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:25:05,892 INFO L225 Difference]: With dead ends: 6172 [2020-10-24 01:25:05,892 INFO L226 Difference]: Without dead ends: 3744 [2020-10-24 01:25:05,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-24 01:25:05,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2020-10-24 01:25:06,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3545. [2020-10-24 01:25:06,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3545 states. [2020-10-24 01:25:06,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 3545 states and 4216 transitions. [2020-10-24 01:25:06,625 INFO L78 Accepts]: Start accepts. Automaton has 3545 states and 4216 transitions. Word has length 205 [2020-10-24 01:25:06,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:25:06,626 INFO L481 AbstractCegarLoop]: Abstraction has 3545 states and 4216 transitions. [2020-10-24 01:25:06,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:25:06,626 INFO L276 IsEmpty]: Start isEmpty. Operand 3545 states and 4216 transitions. [2020-10-24 01:25:06,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-24 01:25:06,641 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:25:06,642 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:25:06,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 01:25:06,642 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:25:06,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:25:06,643 INFO L82 PathProgramCache]: Analyzing trace with hash 303774335, now seen corresponding path program 1 times [2020-10-24 01:25:06,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:25:06,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [712176374] [2020-10-24 01:25:06,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:25:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:06,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:25:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:06,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:25:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:06,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-24 01:25:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:06,984 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 01:25:06,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [712176374] [2020-10-24 01:25:06,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:25:06,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:25:06,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386831451] [2020-10-24 01:25:06,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:25:06,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:25:06,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:25:06,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:25:06,992 INFO L87 Difference]: Start difference. First operand 3545 states and 4216 transitions. Second operand 7 states. [2020-10-24 01:25:11,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:25:11,281 INFO L93 Difference]: Finished difference Result 7913 states and 9711 transitions. [2020-10-24 01:25:11,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 01:25:11,282 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 231 [2020-10-24 01:25:11,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:25:11,321 INFO L225 Difference]: With dead ends: 7913 [2020-10-24 01:25:11,321 INFO L226 Difference]: Without dead ends: 4398 [2020-10-24 01:25:11,335 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 01:25:11,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4398 states. [2020-10-24 01:25:12,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4398 to 3999. [2020-10-24 01:25:12,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3999 states. [2020-10-24 01:25:12,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3999 states to 3999 states and 4604 transitions. [2020-10-24 01:25:12,395 INFO L78 Accepts]: Start accepts. Automaton has 3999 states and 4604 transitions. Word has length 231 [2020-10-24 01:25:12,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:25:12,395 INFO L481 AbstractCegarLoop]: Abstraction has 3999 states and 4604 transitions. [2020-10-24 01:25:12,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:25:12,396 INFO L276 IsEmpty]: Start isEmpty. Operand 3999 states and 4604 transitions. [2020-10-24 01:25:12,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-24 01:25:12,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:25:12,412 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:25:12,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 01:25:12,412 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:25:12,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:25:12,413 INFO L82 PathProgramCache]: Analyzing trace with hash 410703361, now seen corresponding path program 1 times [2020-10-24 01:25:12,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:25:12,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [233907804] [2020-10-24 01:25:12,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:25:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:12,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:25:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:12,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:25:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:12,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 01:25:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:12,702 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 01:25:12,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [233907804] [2020-10-24 01:25:12,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:25:12,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:25:12,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550186842] [2020-10-24 01:25:12,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:25:12,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:25:12,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:25:12,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:25:12,706 INFO L87 Difference]: Start difference. First operand 3999 states and 4604 transitions. Second operand 7 states. [2020-10-24 01:25:15,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:25:15,761 INFO L93 Difference]: Finished difference Result 9295 states and 10994 transitions. [2020-10-24 01:25:15,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:25:15,762 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 247 [2020-10-24 01:25:15,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:25:15,796 INFO L225 Difference]: With dead ends: 9295 [2020-10-24 01:25:15,796 INFO L226 Difference]: Without dead ends: 4176 [2020-10-24 01:25:15,818 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 01:25:15,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4176 states. [2020-10-24 01:25:16,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4176 to 3917. [2020-10-24 01:25:16,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3917 states. [2020-10-24 01:25:16,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3917 states to 3917 states and 4287 transitions. [2020-10-24 01:25:16,631 INFO L78 Accepts]: Start accepts. Automaton has 3917 states and 4287 transitions. Word has length 247 [2020-10-24 01:25:16,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:25:16,631 INFO L481 AbstractCegarLoop]: Abstraction has 3917 states and 4287 transitions. [2020-10-24 01:25:16,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:25:16,632 INFO L276 IsEmpty]: Start isEmpty. Operand 3917 states and 4287 transitions. [2020-10-24 01:25:16,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-10-24 01:25:16,643 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:25:16,644 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:25:16,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 01:25:16,644 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:25:16,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:25:16,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1677355553, now seen corresponding path program 1 times [2020-10-24 01:25:16,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:25:16,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1198078770] [2020-10-24 01:25:16,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:25:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:16,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:25:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:16,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:25:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:16,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-24 01:25:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:17,283 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 01:25:17,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1198078770] [2020-10-24 01:25:17,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:25:17,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-24 01:25:17,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652159105] [2020-10-24 01:25:17,284 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 01:25:17,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:25:17,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 01:25:17,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-10-24 01:25:17,285 INFO L87 Difference]: Start difference. First operand 3917 states and 4287 transitions. Second operand 13 states. [2020-10-24 01:25:19,019 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-24 01:25:21,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:25:21,301 INFO L93 Difference]: Finished difference Result 6661 states and 7269 transitions. [2020-10-24 01:25:21,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 01:25:21,301 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 275 [2020-10-24 01:25:21,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:25:21,306 INFO L225 Difference]: With dead ends: 6661 [2020-10-24 01:25:21,307 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 01:25:21,321 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 01:25:21,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 01:25:21,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 01:25:21,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 01:25:21,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 01:25:21,322 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 275 [2020-10-24 01:25:21,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:25:21,322 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 01:25:21,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 01:25:21,322 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 01:25:21,322 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 01:25:21,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 01:25:21,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 01:25:27,526 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2020-10-24 01:25:39,096 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-10-24 01:25:53,487 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-10-24 01:26:10,535 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-10-24 01:26:10,655 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-10-24 01:26:10,785 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-10-24 01:26:10,895 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-10-24 01:26:18,704 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-10-24 01:26:18,815 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-10-24 01:26:18,922 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-10-24 01:26:25,859 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-10-24 01:26:32,841 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:26:33,856 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2020-10-24 01:26:37,217 WARN L193 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:26:38,477 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2020-10-24 01:26:39,619 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:26:42,955 WARN L193 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:26:46,289 WARN L193 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:26:49,643 WARN L193 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:26:50,803 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:26:51,939 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:26:53,091 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:26:56,419 WARN L193 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:26:57,387 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-10-24 01:26:58,438 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-10-24 01:26:59,540 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 150 DAG size of output: 74 [2020-10-24 01:27:00,547 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2020-10-24 01:27:01,574 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2020-10-24 01:27:02,471 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:27:03,551 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 99 DAG size of output: 69 [2020-10-24 01:27:04,564 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2020-10-24 01:27:05,635 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 113 DAG size of output: 75 [2020-10-24 01:27:09,088 WARN L193 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:27:12,519 WARN L193 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:27:13,684 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2020-10-24 01:27:14,638 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2020-10-24 01:27:15,818 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:27:16,948 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:27:20,300 WARN L193 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:27:21,657 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 155 DAG size of output: 72 [2020-10-24 01:27:23,580 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 155 DAG size of output: 79 [2020-10-24 01:27:27,009 WARN L193 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:27:28,310 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 148 DAG size of output: 74 [2020-10-24 01:27:29,431 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2020-10-24 01:27:30,472 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-10-24 01:27:31,415 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2020-10-24 01:27:32,410 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2020-10-24 01:27:35,690 WARN L193 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:27:36,670 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2020-10-24 01:27:37,528 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:27:40,828 WARN L193 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:27:41,882 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-10-24 01:27:43,258 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 160 DAG size of output: 79 [2020-10-24 01:27:46,539 WARN L193 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:27:47,670 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 106 DAG size of output: 76 [2020-10-24 01:27:49,319 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 154 DAG size of output: 79 [2020-10-24 01:27:52,608 WARN L193 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:27:55,901 WARN L193 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:27:56,891 WARN L193 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2020-10-24 01:27:58,190 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2020-10-24 01:27:59,200 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2020-10-24 01:28:00,284 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2020-10-24 01:28:01,437 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 106 DAG size of output: 76 [2020-10-24 01:28:02,398 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2020-10-24 01:28:03,371 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2020-10-24 01:28:04,460 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 104 DAG size of output: 75 [2020-10-24 01:28:05,827 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 146 DAG size of output: 73 [2020-10-24 01:28:07,000 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 115 DAG size of output: 77 [2020-10-24 01:28:10,310 WARN L193 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:28:13,624 WARN L193 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:28:16,947 WARN L193 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:28:18,256 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 148 DAG size of output: 73 [2020-10-24 01:28:19,251 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2020-10-24 01:28:22,577 WARN L193 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:28:23,595 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-10-24 01:28:24,797 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:28:26,049 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2020-10-24 01:28:29,333 WARN L193 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:28:30,212 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:28:31,352 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:28:34,629 WARN L193 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:28:37,926 WARN L193 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:28:41,209 WARN L193 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:28:42,096 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:28:43,107 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2020-10-24 01:28:46,449 WARN L193 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:28:48,309 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 154 DAG size of output: 79 [2020-10-24 01:28:49,749 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 156 DAG size of output: 78 [2020-10-24 01:28:50,749 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2020-10-24 01:28:52,050 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2020-10-24 01:28:53,071 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2020-10-24 01:28:53,962 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:28:54,965 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2020-10-24 01:28:58,334 WARN L193 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:29:01,696 WARN L193 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:29:02,761 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2020-10-24 01:29:03,873 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 99 DAG size of output: 69 [2020-10-24 01:29:04,897 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2020-10-24 01:29:06,009 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 100 DAG size of output: 70 [2020-10-24 01:29:07,492 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 151 DAG size of output: 79 [2020-10-24 01:29:10,805 WARN L193 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:29:14,201 WARN L193 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:29:17,583 WARN L193 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:29:19,012 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-10-24 01:29:20,164 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:29:21,323 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:29:24,645 WARN L193 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:29:25,805 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:29:29,136 WARN L193 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:29:32,460 WARN L193 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:29:33,638 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 112 DAG size of output: 77 [2020-10-24 01:29:35,344 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 154 DAG size of output: 80 [2020-10-24 01:29:36,394 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 150 DAG size of output: 71 [2020-10-24 01:29:37,493 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2020-10-24 01:29:38,835 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 146 DAG size of output: 71 [2020-10-24 01:29:42,248 WARN L193 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:29:43,162 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:29:46,563 WARN L193 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:29:47,530 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2020-10-24 01:29:48,624 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2020-10-24 01:29:50,039 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 152 DAG size of output: 75 [2020-10-24 01:29:53,451 WARN L193 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:29:56,860 WARN L193 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:30:00,293 WARN L193 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:30:01,336 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 109 DAG size of output: 75 [2020-10-24 01:30:02,458 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 151 DAG size of output: 74 [2020-10-24 01:30:03,380 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:30:06,747 WARN L193 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:30:07,921 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:30:09,098 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:30:10,270 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:30:11,391 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 149 DAG size of output: 72 [2020-10-24 01:30:12,441 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2020-10-24 01:30:13,364 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:30:14,709 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 160 DAG size of output: 77 [2020-10-24 01:30:15,909 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 107 DAG size of output: 75 [2020-10-24 01:30:16,992 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-10-24 01:30:18,059 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-10-24 01:30:19,161 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 148 DAG size of output: 71 [2020-10-24 01:30:20,275 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-10-24 01:30:21,316 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-10-24 01:30:24,777 WARN L193 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:30:25,889 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 148 DAG size of output: 71 [2020-10-24 01:30:29,344 WARN L193 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:30:32,813 WARN L193 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:30:33,924 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 146 DAG size of output: 72 [2020-10-24 01:30:35,127 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2020-10-24 01:30:36,061 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:30:37,138 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-10-24 01:30:38,224 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2020-10-24 01:30:39,642 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 106 DAG size of output: 79 [2020-10-24 01:30:40,750 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2020-10-24 01:30:41,693 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:30:42,806 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 144 DAG size of output: 72 [2020-10-24 01:30:43,846 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2020-10-24 01:30:45,043 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:30:46,243 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:30:49,658 WARN L193 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:30:50,859 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:30:54,290 WARN L193 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:30:55,495 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:30:56,892 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 146 DAG size of output: 71 [2020-10-24 01:30:57,941 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2020-10-24 01:30:58,984 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2020-10-24 01:31:02,475 WARN L193 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:31:03,563 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 99 DAG size of output: 68 [2020-10-24 01:31:04,580 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2020-10-24 01:31:05,595 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2020-10-24 01:31:09,093 WARN L193 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:31:10,294 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:31:13,735 WARN L193 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:31:17,189 WARN L193 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:31:18,329 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-10-24 01:31:21,778 WARN L193 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:31:22,992 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:31:26,461 WARN L193 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:31:27,737 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:31:29,015 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:31:30,291 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:31:33,779 WARN L193 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:31:35,002 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:31:38,462 WARN L193 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:31:39,616 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 146 DAG size of output: 72 [2020-10-24 01:31:40,695 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-24 01:31:41,820 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 148 DAG size of output: 71 [2020-10-24 01:31:45,358 WARN L193 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:31:46,394 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2020-10-24 01:31:47,553 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-10-24 01:31:48,736 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2020-10-24 01:31:52,277 WARN L193 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:31:55,824 WARN L193 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:31:56,993 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 151 DAG size of output: 74 [2020-10-24 01:32:00,552 WARN L193 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:32:01,840 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:32:05,350 WARN L193 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:32:08,871 WARN L193 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:32:12,552 WARN L193 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:32:13,525 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:32:14,577 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2020-10-24 01:32:18,150 WARN L193 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:32:19,249 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-24 01:32:22,827 WARN L193 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:32:24,092 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 156 DAG size of output: 76 [2020-10-24 01:32:25,185 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2020-10-24 01:32:26,405 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2020-10-24 01:32:27,382 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:32:28,425 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2020-10-24 01:32:29,589 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-10-24 01:32:30,769 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-10-24 01:32:31,937 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 149 DAG size of output: 72 [2020-10-24 01:32:33,075 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 146 DAG size of output: 71 [2020-10-24 01:32:34,172 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-10-24 01:32:35,148 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:32:36,282 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2020-10-24 01:32:39,870 WARN L193 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:32:40,948 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2020-10-24 01:32:42,334 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2020-10-24 01:32:43,387 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2020-10-24 01:32:44,463 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2020-10-24 01:32:48,073 WARN L193 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:32:51,680 WARN L193 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:32:52,660 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:32:53,844 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2020-10-24 01:32:55,346 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 152 DAG size of output: 74 [2020-10-24 01:32:56,382 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2020-10-24 01:32:57,575 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-10-24 01:32:58,723 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-10-24 01:32:59,777 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-10-24 01:33:00,898 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 103 DAG size of output: 73 [2020-10-24 01:33:04,508 WARN L193 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:33:08,126 WARN L193 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:33:09,549 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2020-10-24 01:33:13,187 WARN L193 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:33:16,842 WARN L193 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:33:17,974 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2020-10-24 01:33:21,615 WARN L193 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:33:23,183 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 151 DAG size of output: 75 [2020-10-24 01:33:26,819 WARN L193 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:33:28,077 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:33:31,684 WARN L193 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:33:35,290 WARN L193 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:33:38,901 WARN L193 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:33:40,256 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:33:41,530 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:33:42,801 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:33:46,427 WARN L193 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:33:47,784 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:33:48,933 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2020-10-24 01:33:50,061 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-24 01:33:51,206 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-10-24 01:33:52,379 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 99 DAG size of output: 68 [2020-10-24 01:33:53,637 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 158 DAG size of output: 76 [2020-10-24 01:33:54,649 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:33:55,762 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-10-24 01:33:56,902 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-24 01:33:57,997 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2020-10-24 01:33:59,145 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2020-10-24 01:34:00,401 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2020-10-24 01:34:01,980 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 148 DAG size of output: 73 [2020-10-24 01:34:03,557 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 155 DAG size of output: 77 [2020-10-24 01:34:04,917 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:34:08,554 WARN L193 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:34:09,822 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2020-10-24 01:34:10,919 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2020-10-24 01:34:12,078 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2020-10-24 01:34:15,799 WARN L193 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:34:17,442 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 151 DAG size of output: 79 [2020-10-24 01:34:18,948 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2020-10-24 01:34:20,131 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2020-10-24 01:34:21,220 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2020-10-24 01:34:22,379 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2020-10-24 01:34:23,399 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:34:24,543 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 110 DAG size of output: 74 [2020-10-24 01:34:26,636 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 155 DAG size of output: 79 [2020-10-24 01:34:27,799 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2020-10-24 01:34:29,020 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-10-24 01:34:32,729 WARN L193 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:34:36,474 WARN L193 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:34:37,508 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:34:41,242 WARN L193 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:34:44,931 WARN L193 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:34:46,136 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2020-10-24 01:34:47,513 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2020-10-24 01:34:48,537 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:34:49,564 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:34:50,721 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2020-10-24 01:34:51,911 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-10-24 01:34:55,675 WARN L193 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:34:56,809 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-10-24 01:34:58,070 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2020-10-24 01:35:01,845 WARN L193 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:35:02,980 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 94 DAG size of output: 64 [2020-10-24 01:35:06,734 WARN L193 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:35:08,082 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-10-24 01:35:09,201 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2020-10-24 01:35:12,999 WARN L193 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:35:14,261 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 96 DAG size of output: 66 [2020-10-24 01:35:15,521 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-24 01:35:16,734 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2020-10-24 01:35:17,950 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 96 DAG size of output: 66 [2020-10-24 01:35:19,059 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-10-24 01:35:20,713 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 156 DAG size of output: 78 [2020-10-24 01:35:22,228 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-10-24 01:35:24,159 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 154 DAG size of output: 79 [2020-10-24 01:35:25,344 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2020-10-24 01:35:26,854 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2020-10-24 01:35:28,029 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 107 DAG size of output: 73 [2020-10-24 01:35:30,197 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 155 DAG size of output: 79 [2020-10-24 01:35:31,381 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2020-10-24 01:35:32,592 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 150 DAG size of output: 71 [2020-10-24 01:35:33,965 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2020-10-24 01:35:35,017 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:35:36,192 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2020-10-24 01:35:40,008 WARN L193 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:35:40,156 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 34 [2020-10-24 01:35:43,994 WARN L193 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:35:45,065 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:35:46,504 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2020-10-24 01:35:47,568 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:35:48,838 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2020-10-24 01:35:50,297 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 162 DAG size of output: 78 [2020-10-24 01:35:51,485 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-10-24 01:35:52,848 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-10-24 01:35:54,356 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-10-24 01:35:55,409 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-10-24 01:35:56,697 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 151 DAG size of output: 74 [2020-10-24 01:35:57,960 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-24 01:35:59,090 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2020-10-24 01:36:02,961 WARN L193 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:36:04,291 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:36:05,465 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2020-10-24 01:36:09,330 WARN L193 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:36:13,214 WARN L193 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:36:14,457 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-10-24 01:36:18,300 WARN L193 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:36:19,703 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:36:21,127 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:36:22,557 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:36:26,381 WARN L193 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:36:27,736 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:36:31,573 WARN L193 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:36:35,427 WARN L193 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:36:36,793 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:36:40,658 WARN L193 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:36:44,516 WARN L193 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:36:45,942 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:36:47,337 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2020-10-24 01:36:48,910 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 150 DAG size of output: 75 [2020-10-24 01:36:50,129 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-10-24 01:36:51,292 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2020-10-24 01:36:52,740 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:36:56,574 WARN L193 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:37:00,355 WARN L193 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 189 DAG size of output: 74 [2020-10-24 01:37:01,543 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2020-10-24 01:37:05,695 WARN L193 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-10-24 01:37:09,759 WARN L193 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:37:11,179 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:37:12,603 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:37:14,095 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-10-24 01:37:18,079 WARN L193 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-10-24 01:37:19,260 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2020-10-24 01:37:20,432 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2020-10-24 01:37:21,594 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2020-10-24 01:37:22,762 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2020-10-24 01:37:35,397 WARN L193 SmtUtils]: Spent 12.62 s on a formula simplification. DAG size of input: 298 DAG size of output: 159