/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_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 23:24:37,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 23:24:37,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 23:24:37,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 23:24:37,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 23:24:37,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 23:24:37,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 23:24:37,665 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 23:24:37,677 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 23:24:37,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 23:24:37,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 23:24:37,679 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 23:24:37,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 23:24:37,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 23:24:37,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 23:24:37,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 23:24:37,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 23:24:37,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 23:24:37,680 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 23:24:37,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 23:24:37,681 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 23:24:37,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 23:24:37,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 23:24:37,681 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 23:24:37,682 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 23:24:37,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 23:24:37,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:24:37,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 23:24:37,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 23:24:37,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 23:24:37,683 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 23:24:38,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 23:24:38,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 23:24:38,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 23:24:38,078 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 23:24:38,079 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 23:24:38,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2021-02-23 23:24:38,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bcf8dd2e/7feaea4b6a6641689d13d3788bf03f49/FLAG594467ac6 [2021-02-23 23:24:38,946 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 23:24:38,947 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2021-02-23 23:24:38,970 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bcf8dd2e/7feaea4b6a6641689d13d3788bf03f49/FLAG594467ac6 [2021-02-23 23:24:39,228 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bcf8dd2e/7feaea4b6a6641689d13d3788bf03f49 [2021-02-23 23:24:39,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 23:24:39,248 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 23:24:39,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 23:24:39,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 23:24:39,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 23:24:39,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:24:39" (1/1) ... [2021-02-23 23:24:39,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@582c8dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:24:39, skipping insertion in model container [2021-02-23 23:24:39,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:24:39" (1/1) ... [2021-02-23 23:24:39,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 23:24:39,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 23:24:39,713 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label03.c[20079,20092] [2021-02-23 23:24:39,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:24:39,768 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 23:24:39,923 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label03.c[20079,20092] [2021-02-23 23:24:39,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:24:39,966 INFO L208 MainTranslator]: Completed translation [2021-02-23 23:24:39,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:24:39 WrapperNode [2021-02-23 23:24:39,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 23:24:39,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 23:24:39,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 23:24:39,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 23:24:39,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:24:39" (1/1) ... [2021-02-23 23:24:39,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:24:39" (1/1) ... [2021-02-23 23:24:40,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:24:39" (1/1) ... [2021-02-23 23:24:40,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:24:39" (1/1) ... [2021-02-23 23:24:40,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:24:39" (1/1) ... [2021-02-23 23:24:40,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:24:39" (1/1) ... [2021-02-23 23:24:40,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:24:39" (1/1) ... [2021-02-23 23:24:40,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 23:24:40,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 23:24:40,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 23:24:40,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 23:24:40,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:24:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:24:40,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 23:24:40,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 23:24:40,195 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 23:24:40,195 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-23 23:24:40,196 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 23:24:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-23 23:24:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 23:24:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 23:24:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 23:24:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 23:24:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 23:24:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-23 23:24:40,198 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 23:24:40,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 23:24:40,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 23:24:40,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 23:24:40,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 23:24:40,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 23:24:40,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 23:24:41,938 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 23:24:41,939 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-23 23:24:41,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:24:41 BoogieIcfgContainer [2021-02-23 23:24:41,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 23:24:41,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 23:24:41,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 23:24:41,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 23:24:41,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 11:24:39" (1/3) ... [2021-02-23 23:24:41,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ebbbf6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:24:41, skipping insertion in model container [2021-02-23 23:24:41,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:24:39" (2/3) ... [2021-02-23 23:24:41,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ebbbf6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:24:41, skipping insertion in model container [2021-02-23 23:24:41,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:24:41" (3/3) ... [2021-02-23 23:24:41,950 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label03.c [2021-02-23 23:24:41,957 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 23:24:41,963 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 23:24:41,983 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 23:24:42,010 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 23:24:42,010 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 23:24:42,010 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 23:24:42,010 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 23:24:42,010 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 23:24:42,011 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 23:24:42,011 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 23:24:42,011 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 23:24:42,038 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states. [2021-02-23 23:24:42,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-02-23 23:24:42,065 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:24:42,069 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:24:42,070 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:24:42,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:24:42,076 INFO L82 PathProgramCache]: Analyzing trace with hash 483131415, now seen corresponding path program 1 times [2021-02-23 23:24:42,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:24:42,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [795050586] [2021-02-23 23:24:42,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:24:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:24:42,568 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-23 23:24:42,570 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-23 23:24:42,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:42,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:24:42,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:42,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:24:42,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:42,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:24:42,725 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-23 23:24:42,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:24:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:24:42,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:42,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:24:42,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:42,818 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:24:42,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:24:42,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [795050586] [2021-02-23 23:24:42,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:24:42,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 23:24:42,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994505859] [2021-02-23 23:24:42,920 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 23:24:42,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:24:42,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 23:24:42,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 23:24:42,948 INFO L87 Difference]: Start difference. First operand 536 states. Second operand 5 states. [2021-02-23 23:24:43,245 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-02-23 23:24:45,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:24:45,745 INFO L93 Difference]: Finished difference Result 1214 states and 1660 transitions. [2021-02-23 23:24:45,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 23:24:45,747 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 163 [2021-02-23 23:24:45,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:24:45,771 INFO L225 Difference]: With dead ends: 1214 [2021-02-23 23:24:45,771 INFO L226 Difference]: Without dead ends: 635 [2021-02-23 23:24:45,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-02-23 23:24:45,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2021-02-23 23:24:45,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 621. [2021-02-23 23:24:46,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2021-02-23 23:24:46,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 782 transitions. [2021-02-23 23:24:46,007 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 782 transitions. Word has length 163 [2021-02-23 23:24:46,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:24:46,008 INFO L480 AbstractCegarLoop]: Abstraction has 621 states and 782 transitions. [2021-02-23 23:24:46,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 23:24:46,008 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 782 transitions. [2021-02-23 23:24:46,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-02-23 23:24:46,015 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:24:46,016 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:24:46,016 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 23:24:46,016 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:24:46,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:24:46,017 INFO L82 PathProgramCache]: Analyzing trace with hash 403771139, now seen corresponding path program 1 times [2021-02-23 23:24:46,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:24:46,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1645045584] [2021-02-23 23:24:46,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:24:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:24:46,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:46,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:24:46,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:46,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:24:46,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:46,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:24:46,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:24:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:24:46,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:46,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:24:46,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:46,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:24:46,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:24:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:24:46,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:46,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:24:46,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:46,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:24:46,330 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:24:46,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1645045584] [2021-02-23 23:24:46,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:24:46,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 23:24:46,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307605838] [2021-02-23 23:24:46,334 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:24:46,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:24:46,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:24:46,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:24:46,336 INFO L87 Difference]: Start difference. First operand 621 states and 782 transitions. Second operand 7 states. [2021-02-23 23:24:49,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:24:49,008 INFO L93 Difference]: Finished difference Result 1699 states and 2207 transitions. [2021-02-23 23:24:49,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 23:24:49,009 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 189 [2021-02-23 23:24:49,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:24:49,023 INFO L225 Difference]: With dead ends: 1699 [2021-02-23 23:24:49,026 INFO L226 Difference]: Without dead ends: 1108 [2021-02-23 23:24:49,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:24:49,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2021-02-23 23:24:49,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 881. [2021-02-23 23:24:49,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 881 states. [2021-02-23 23:24:49,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1109 transitions. [2021-02-23 23:24:49,236 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1109 transitions. Word has length 189 [2021-02-23 23:24:49,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:24:49,237 INFO L480 AbstractCegarLoop]: Abstraction has 881 states and 1109 transitions. [2021-02-23 23:24:49,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:24:49,237 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1109 transitions. [2021-02-23 23:24:49,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-02-23 23:24:49,246 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:24:49,247 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:24:49,247 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 23:24:49,247 INFO L428 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:24:49,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:24:49,250 INFO L82 PathProgramCache]: Analyzing trace with hash 301697313, now seen corresponding path program 1 times [2021-02-23 23:24:49,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:24:49,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1060772880] [2021-02-23 23:24:49,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:24:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:24:49,387 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-23 23:24:49,388 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-23 23:24:49,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:49,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:24:49,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:49,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:24:49,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:24:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:24:49,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:49,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:24:49,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:49,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:24:49,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:24:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:24:49,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:49,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:24:49,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:49,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:24:49,695 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:24:49,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1060772880] [2021-02-23 23:24:49,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:24:49,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 23:24:49,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134242763] [2021-02-23 23:24:49,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:24:49,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:24:49,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:24:49,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:24:49,699 INFO L87 Difference]: Start difference. First operand 881 states and 1109 transitions. Second operand 8 states. [2021-02-23 23:24:49,881 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-02-23 23:24:52,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:24:52,993 INFO L93 Difference]: Finished difference Result 2762 states and 3772 transitions. [2021-02-23 23:24:52,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-23 23:24:52,994 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 197 [2021-02-23 23:24:52,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:24:53,017 INFO L225 Difference]: With dead ends: 2762 [2021-02-23 23:24:53,018 INFO L226 Difference]: Without dead ends: 1911 [2021-02-23 23:24:53,023 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2021-02-23 23:24:53,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1911 states. [2021-02-23 23:24:53,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1911 to 1678. [2021-02-23 23:24:53,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1678 states. [2021-02-23 23:24:53,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1678 states and 2180 transitions. [2021-02-23 23:24:53,470 INFO L78 Accepts]: Start accepts. Automaton has 1678 states and 2180 transitions. Word has length 197 [2021-02-23 23:24:53,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:24:53,471 INFO L480 AbstractCegarLoop]: Abstraction has 1678 states and 2180 transitions. [2021-02-23 23:24:53,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:24:53,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 2180 transitions. [2021-02-23 23:24:53,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-02-23 23:24:53,486 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:24:53,489 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:24:53,489 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 23:24:53,489 INFO L428 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:24:53,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:24:53,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1428689316, now seen corresponding path program 1 times [2021-02-23 23:24:53,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:24:53,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [121115484] [2021-02-23 23:24:53,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:24:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:24:53,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:53,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:24:53,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:53,761 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:24:53,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:53,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:24:53,768 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:53,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 23:24:53,784 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:53,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 23:24:53,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:53,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:24:53,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:24:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:24:53,875 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:53,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:24:53,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:53,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:24:53,885 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:24:53,886 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:24:53,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:24:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:24:53,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:53,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:24:53,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:53,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:24:53,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-23 23:24:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:24:53,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:53,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:24:53,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:24:53,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:24:53,947 WARN L141 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-02-23 23:24:53,947 WARN L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-02-23 23:24:53,969 WARN L141 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-02-23 23:24:53,970 WARN L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-02-23 23:24:53,987 WARN L141 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size [2021-02-23 23:24:53,988 WARN L147 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size 13 [2021-02-23 23:24:54,006 WARN L141 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size [2021-02-23 23:24:54,007 WARN L147 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size 16 [2021-02-23 23:24:54,027 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-23 23:24:54,028 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-23 23:24:54,240 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 33 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-02-23 23:24:54,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [121115484] [2021-02-23 23:24:54,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:24:54,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-02-23 23:24:54,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343399816] [2021-02-23 23:24:54,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-23 23:24:54,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:24:54,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-23 23:24:54,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-02-23 23:24:54,243 INFO L87 Difference]: Start difference. First operand 1678 states and 2180 transitions. Second operand 13 states. [2021-02-23 23:24:56,246 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2021-02-23 23:24:57,930 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2021-02-23 23:24:59,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:24:59,963 INFO L93 Difference]: Finished difference Result 5334 states and 7135 transitions. [2021-02-23 23:24:59,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-23 23:24:59,964 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 219 [2021-02-23 23:24:59,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:24:59,988 INFO L225 Difference]: With dead ends: 5334 [2021-02-23 23:24:59,988 INFO L226 Difference]: Without dead ends: 2576 [2021-02-23 23:25:00,004 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2021-02-23 23:25:00,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2576 states. [2021-02-23 23:25:00,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2576 to 2302. [2021-02-23 23:25:00,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2302 states. [2021-02-23 23:25:00,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 2302 states and 2802 transitions. [2021-02-23 23:25:00,659 INFO L78 Accepts]: Start accepts. Automaton has 2302 states and 2802 transitions. Word has length 219 [2021-02-23 23:25:00,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:25:00,660 INFO L480 AbstractCegarLoop]: Abstraction has 2302 states and 2802 transitions. [2021-02-23 23:25:00,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-23 23:25:00,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2302 states and 2802 transitions. [2021-02-23 23:25:00,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-02-23 23:25:00,671 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:25:00,671 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:25:00,671 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 23:25:00,672 INFO L428 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:25:00,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:25:00,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1248248396, now seen corresponding path program 1 times [2021-02-23 23:25:00,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:25:00,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [29993769] [2021-02-23 23:25:00,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:25:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:25:00,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:00,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:25:00,739 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-23 23:25:00,739 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-23 23:25:00,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:00,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:25:00,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:25:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:25:00,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:00,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:25:00,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:25:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:25:00,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:00,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:25:00,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:00,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:25:00,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-02-23 23:25:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:25:00,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:00,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:25:00,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:00,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:25:00,959 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-23 23:25:00,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [29993769] [2021-02-23 23:25:00,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:25:00,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-23 23:25:00,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201364465] [2021-02-23 23:25:00,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:25:00,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:25:00,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:25:00,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:25:00,962 INFO L87 Difference]: Start difference. First operand 2302 states and 2802 transitions. Second operand 8 states. [2021-02-23 23:25:04,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:25:04,588 INFO L93 Difference]: Finished difference Result 6170 states and 7767 transitions. [2021-02-23 23:25:04,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-23 23:25:04,588 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 220 [2021-02-23 23:25:04,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:25:04,621 INFO L225 Difference]: With dead ends: 6170 [2021-02-23 23:25:04,622 INFO L226 Difference]: Without dead ends: 3589 [2021-02-23 23:25:04,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2021-02-23 23:25:04,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3589 states. [2021-02-23 23:25:05,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3589 to 3540. [2021-02-23 23:25:05,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3540 states. [2021-02-23 23:25:05,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 3540 states and 4208 transitions. [2021-02-23 23:25:05,586 INFO L78 Accepts]: Start accepts. Automaton has 3540 states and 4208 transitions. Word has length 220 [2021-02-23 23:25:05,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:25:05,586 INFO L480 AbstractCegarLoop]: Abstraction has 3540 states and 4208 transitions. [2021-02-23 23:25:05,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:25:05,587 INFO L276 IsEmpty]: Start isEmpty. Operand 3540 states and 4208 transitions. [2021-02-23 23:25:05,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-02-23 23:25:05,601 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:25:05,602 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:25:05,602 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 23:25:05,602 INFO L428 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:25:05,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:25:05,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1609171977, now seen corresponding path program 1 times [2021-02-23 23:25:05,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:25:05,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1347993440] [2021-02-23 23:25:05,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:25:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:25:05,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:05,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:25:05,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:05,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:25:05,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:05,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:25:05,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:25:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:25:05,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:05,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:25:05,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:25:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:25:05,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:05,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:25:05,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:05,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:25:05,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 23:25:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:25:05,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:05,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:25:05,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:05,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:25:05,845 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-23 23:25:05,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1347993440] [2021-02-23 23:25:05,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:25:05,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 23:25:05,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123576552] [2021-02-23 23:25:05,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:25:05,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:25:05,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:25:05,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:25:05,847 INFO L87 Difference]: Start difference. First operand 3540 states and 4208 transitions. Second operand 7 states. [2021-02-23 23:25:09,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:25:09,713 INFO L93 Difference]: Finished difference Result 7907 states and 9696 transitions. [2021-02-23 23:25:09,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 23:25:09,715 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 246 [2021-02-23 23:25:09,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:25:09,761 INFO L225 Difference]: With dead ends: 7907 [2021-02-23 23:25:09,762 INFO L226 Difference]: Without dead ends: 4397 [2021-02-23 23:25:09,778 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:25:09,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4397 states. [2021-02-23 23:25:10,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4397 to 3998. [2021-02-23 23:25:10,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3998 states. [2021-02-23 23:25:10,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3998 states to 3998 states and 4603 transitions. [2021-02-23 23:25:10,667 INFO L78 Accepts]: Start accepts. Automaton has 3998 states and 4603 transitions. Word has length 246 [2021-02-23 23:25:10,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:25:10,668 INFO L480 AbstractCegarLoop]: Abstraction has 3998 states and 4603 transitions. [2021-02-23 23:25:10,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:25:10,668 INFO L276 IsEmpty]: Start isEmpty. Operand 3998 states and 4603 transitions. [2021-02-23 23:25:10,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-02-23 23:25:10,685 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:25:10,685 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:25:10,686 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 23:25:10,686 INFO L428 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:25:10,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:25:10,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1600785205, now seen corresponding path program 1 times [2021-02-23 23:25:10,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:25:10,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1905134062] [2021-02-23 23:25:10,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:25:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:25:10,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:10,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:25:10,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:10,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:25:10,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:10,769 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:25:10,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:10,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:25:10,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:25:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:25:10,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:10,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:25:10,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:10,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:25:10,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:25:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:25:10,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:10,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:25:10,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:10,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:25:10,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 23:25:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:25:10,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:10,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:25:10,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:10,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:25:10,968 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-02-23 23:25:10,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1905134062] [2021-02-23 23:25:10,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:25:10,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 23:25:10,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904354414] [2021-02-23 23:25:10,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:25:10,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:25:10,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:25:10,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:25:10,970 INFO L87 Difference]: Start difference. First operand 3998 states and 4603 transitions. Second operand 7 states. [2021-02-23 23:25:13,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:25:13,963 INFO L93 Difference]: Finished difference Result 9293 states and 10992 transitions. [2021-02-23 23:25:13,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 23:25:13,964 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 262 [2021-02-23 23:25:13,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:25:13,995 INFO L225 Difference]: With dead ends: 9293 [2021-02-23 23:25:13,996 INFO L226 Difference]: Without dead ends: 4175 [2021-02-23 23:25:14,014 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:25:14,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4175 states. [2021-02-23 23:25:14,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4175 to 3916. [2021-02-23 23:25:14,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3916 states. [2021-02-23 23:25:14,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3916 states to 3916 states and 4286 transitions. [2021-02-23 23:25:14,846 INFO L78 Accepts]: Start accepts. Automaton has 3916 states and 4286 transitions. Word has length 262 [2021-02-23 23:25:14,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:25:14,847 INFO L480 AbstractCegarLoop]: Abstraction has 3916 states and 4286 transitions. [2021-02-23 23:25:14,847 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:25:14,847 INFO L276 IsEmpty]: Start isEmpty. Operand 3916 states and 4286 transitions. [2021-02-23 23:25:14,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-02-23 23:25:14,860 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:25:14,860 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:25:14,861 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 23:25:14,861 INFO L428 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:25:14,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:25:14,862 INFO L82 PathProgramCache]: Analyzing trace with hash -831726635, now seen corresponding path program 1 times [2021-02-23 23:25:14,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:25:14,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1783188612] [2021-02-23 23:25:14,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:25:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:25:14,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:15,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:25:15,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:15,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:25:15,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:15,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:25:15,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:15,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 23:25:15,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:15,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 23:25:15,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:15,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:25:15,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:25:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:25:15,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:15,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:25:15,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:15,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:25:15,149 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:25:15,150 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:25:15,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:25:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:25:15,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:15,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:25:15,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:15,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:25:15,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 23:25:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:25:15,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:15,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:25:15,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:25:15,223 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:25:15,224 WARN L141 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-02-23 23:25:15,225 WARN L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-02-23 23:25:15,237 WARN L141 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-02-23 23:25:15,238 WARN L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-02-23 23:25:15,253 WARN L141 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size [2021-02-23 23:25:15,253 WARN L147 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size 13 [2021-02-23 23:25:15,271 WARN L141 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size [2021-02-23 23:25:15,272 WARN L147 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size 16 [2021-02-23 23:25:15,293 WARN L141 QuantifierPusher]: treesize reduction 10, result has 65.5 percent of original size [2021-02-23 23:25:15,294 WARN L147 QuantifierPusher]: treesize reduction 10, result has 65.5 percent of original size 19 [2021-02-23 23:25:15,516 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 104 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-02-23 23:25:15,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1783188612] [2021-02-23 23:25:15,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:25:15,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-02-23 23:25:15,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317642508] [2021-02-23 23:25:15,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-23 23:25:15,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:25:15,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-23 23:25:15,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-02-23 23:25:15,518 INFO L87 Difference]: Start difference. First operand 3916 states and 4286 transitions. Second operand 13 states. [2021-02-23 23:25:17,346 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-02-23 23:25:19,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:25:19,365 INFO L93 Difference]: Finished difference Result 6660 states and 7268 transitions. [2021-02-23 23:25:19,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-23 23:25:19,365 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 290 [2021-02-23 23:25:19,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:25:19,370 INFO L225 Difference]: With dead ends: 6660 [2021-02-23 23:25:19,370 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 23:25:19,383 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2021-02-23 23:25:19,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 23:25:19,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 23:25:19,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 23:25:19,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 23:25:19,384 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 290 [2021-02-23 23:25:19,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:25:19,385 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 23:25:19,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-23 23:25:19,385 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 23:25:19,385 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 23:25:19,385 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 23:25:19,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 23:25:23,708 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2021-02-23 23:25:25,304 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 171 [2021-02-23 23:25:26,088 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 171 [2021-02-23 23:25:26,255 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 171 [2021-02-23 23:25:28,494 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 171 [2021-02-23 23:25:29,412 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2021-02-23 23:25:33,579 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2021-02-23 23:25:48,021 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 171 [2021-02-23 23:26:03,381 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 171 [2021-02-23 23:26:16,162 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 171 [2021-02-23 23:26:16,554 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 171 [2021-02-23 23:26:17,140 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 171 [2021-02-23 23:26:17,719 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 171 [2021-02-23 23:26:24,610 WARN L202 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:26:27,465 WARN L202 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:26:28,402 WARN L202 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2021-02-23 23:26:29,262 WARN L202 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2021-02-23 23:26:30,150 WARN L202 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:26:30,905 WARN L202 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2021-02-23 23:26:33,729 WARN L202 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:26:34,487 WARN L202 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2021-02-23 23:26:37,328 WARN L202 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:26:40,150 WARN L202 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:26:42,991 WARN L202 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:26:43,872 WARN L202 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:26:45,038 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 148 DAG size of output: 71 [2021-02-23 23:26:45,962 WARN L202 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 74 [2021-02-23 23:26:46,668 WARN L202 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2021-02-23 23:26:48,286 WARN L202 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 153 DAG size of output: 77 [2021-02-23 23:26:48,960 WARN L202 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2021-02-23 23:26:49,944 WARN L202 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2021-02-23 23:26:52,830 WARN L202 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:26:53,714 WARN L202 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2021-02-23 23:26:54,655 WARN L202 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 68 [2021-02-23 23:26:57,548 WARN L202 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:26:58,294 WARN L202 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:26:59,536 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 156 DAG size of output: 77 [2021-02-23 23:27:00,395 WARN L202 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 66 [2021-02-23 23:27:01,400 WARN L202 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 76 [2021-02-23 23:27:02,219 WARN L202 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 61 [2021-02-23 23:27:03,107 WARN L202 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 68 [2021-02-23 23:27:05,959 WARN L202 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:27:06,604 WARN L202 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-02-23 23:27:07,424 WARN L202 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 61 [2021-02-23 23:27:08,244 WARN L202 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 61 [2021-02-23 23:27:09,130 WARN L202 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:27:12,020 WARN L202 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:27:12,790 WARN L202 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2021-02-23 23:27:13,679 WARN L202 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:27:14,578 WARN L202 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2021-02-23 23:27:15,188 WARN L202 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2021-02-23 23:27:16,085 WARN L202 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2021-02-23 23:27:17,004 WARN L202 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 70 [2021-02-23 23:27:19,908 WARN L202 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:27:20,604 WARN L202 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2021-02-23 23:27:21,352 WARN L202 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 56 [2021-02-23 23:27:24,325 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:27:25,031 WARN L202 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-02-23 23:27:25,848 WARN L202 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2021-02-23 23:27:26,734 WARN L202 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2021-02-23 23:27:29,630 WARN L202 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:27:32,545 WARN L202 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:27:33,299 WARN L202 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:27:34,207 WARN L202 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-02-23 23:27:35,116 WARN L202 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2021-02-23 23:27:36,098 WARN L202 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 74 [2021-02-23 23:27:36,928 WARN L202 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 61 [2021-02-23 23:27:37,896 WARN L202 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2021-02-23 23:27:40,813 WARN L202 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:27:43,734 WARN L202 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:27:44,350 WARN L202 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-02-23 23:27:45,005 WARN L202 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2021-02-23 23:27:45,903 WARN L202 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2021-02-23 23:27:46,581 WARN L202 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2021-02-23 23:27:47,453 WARN L202 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2021-02-23 23:27:48,208 WARN L202 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:27:49,205 WARN L202 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 74 [2021-02-23 23:27:50,025 WARN L202 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-02-23 23:27:50,927 WARN L202 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-02-23 23:27:51,840 WARN L202 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2021-02-23 23:27:52,595 WARN L202 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-02-23 23:27:53,411 WARN L202 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:27:56,345 WARN L202 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:27:57,257 WARN L202 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2021-02-23 23:27:58,152 WARN L202 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2021-02-23 23:27:58,883 WARN L202 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 74 [2021-02-23 23:28:01,782 WARN L202 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:28:04,717 WARN L202 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:28:05,502 WARN L202 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2021-02-23 23:28:06,287 WARN L202 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2021-02-23 23:28:07,191 WARN L202 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:28:10,091 WARN L202 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:28:11,004 WARN L202 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:28:13,898 WARN L202 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:28:16,802 WARN L202 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:28:17,569 WARN L202 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:28:19,084 WARN L202 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 153 DAG size of output: 78 [2021-02-23 23:28:20,064 WARN L202 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2021-02-23 23:28:21,265 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 147 DAG size of output: 71 [2021-02-23 23:28:21,893 WARN L202 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-02-23 23:28:24,838 WARN L202 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:28:25,785 WARN L202 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 64 [2021-02-23 23:28:26,681 WARN L202 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 68 [2021-02-23 23:28:27,623 WARN L202 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 70 [2021-02-23 23:28:28,387 WARN L202 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:28:29,310 WARN L202 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-02-23 23:28:30,280 WARN L202 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2021-02-23 23:28:33,251 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:28:34,136 WARN L202 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 69 [2021-02-23 23:28:37,101 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:28:38,095 WARN L202 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 76 [2021-02-23 23:28:39,039 WARN L202 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2021-02-23 23:28:42,007 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:28:44,970 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:28:45,742 WARN L202 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:28:48,720 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:28:51,666 WARN L202 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:28:52,865 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 149 DAG size of output: 73 [2021-02-23 23:28:53,917 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2021-02-23 23:28:54,693 WARN L202 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:28:57,645 WARN L202 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:28:58,447 WARN L202 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2021-02-23 23:28:59,249 WARN L202 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2021-02-23 23:29:00,173 WARN L202 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:29:03,131 WARN L202 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:29:03,746 WARN L202 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2021-02-23 23:29:06,735 WARN L202 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:29:07,475 WARN L202 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2021-02-23 23:29:08,311 WARN L202 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2021-02-23 23:29:11,307 WARN L202 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:29:12,273 WARN L202 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 64 [2021-02-23 23:29:13,243 WARN L202 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2021-02-23 23:29:14,148 WARN L202 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2021-02-23 23:29:15,322 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2021-02-23 23:29:16,233 WARN L202 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2021-02-23 23:29:17,074 WARN L202 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2021-02-23 23:29:17,714 WARN L202 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-02-23 23:29:18,495 WARN L202 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:29:19,387 WARN L202 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 72 [2021-02-23 23:29:21,127 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 154 DAG size of output: 77 [2021-02-23 23:29:22,014 WARN L202 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2021-02-23 23:29:22,946 WARN L202 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:29:23,729 WARN L202 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:29:26,694 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:29:29,665 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:29:30,451 WARN L202 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:29:31,384 WARN L202 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:29:32,063 WARN L202 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2021-02-23 23:29:35,077 WARN L202 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:29:35,720 WARN L202 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-02-23 23:29:36,506 WARN L202 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:29:39,530 WARN L202 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:29:40,497 WARN L202 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2021-02-23 23:29:41,820 WARN L202 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 159 DAG size of output: 77 [2021-02-23 23:29:44,839 WARN L202 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:29:45,717 WARN L202 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2021-02-23 23:29:46,644 WARN L202 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2021-02-23 23:29:47,657 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 149 DAG size of output: 72 [2021-02-23 23:29:48,306 WARN L202 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2021-02-23 23:29:48,966 WARN L202 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2021-02-23 23:29:49,720 WARN L202 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-02-23 23:29:50,953 WARN L202 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 154 DAG size of output: 70 [2021-02-23 23:29:52,726 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 154 DAG size of output: 77 [2021-02-23 23:29:55,771 WARN L202 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:29:56,707 WARN L202 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 72 [2021-02-23 23:29:57,764 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-02-23 23:29:58,744 WARN L202 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2021-02-23 23:29:59,630 WARN L202 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-02-23 23:30:02,639 WARN L202 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:30:03,644 WARN L202 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:30:04,685 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:30:05,728 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:30:09,016 WARN L202 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:30:09,895 WARN L202 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:30:10,981 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2021-02-23 23:30:11,951 WARN L202 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2021-02-23 23:30:12,980 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-02-23 23:30:16,286 WARN L202 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:30:19,592 WARN L202 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:30:20,393 WARN L202 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2021-02-23 23:30:21,312 WARN L202 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 65 [2021-02-23 23:30:22,330 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:30:23,042 WARN L202 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2021-02-23 23:30:26,207 WARN L202 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:30:27,068 WARN L202 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 77 [2021-02-23 23:30:28,043 WARN L202 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:30:31,251 WARN L202 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:30:34,437 WARN L202 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:30:35,429 WARN L202 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:30:38,619 WARN L202 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:30:41,795 WARN L202 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:30:45,054 WARN L202 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:30:46,060 WARN L202 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:30:47,067 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:30:48,063 WARN L202 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:30:51,296 WARN L202 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:30:52,146 WARN L202 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:30:53,111 WARN L202 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2021-02-23 23:30:56,309 WARN L202 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:30:59,511 WARN L202 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:31:00,529 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-02-23 23:31:01,280 WARN L202 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2021-02-23 23:31:02,242 WARN L202 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 73 [2021-02-23 23:31:05,456 WARN L202 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:31:06,773 WARN L202 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 147 DAG size of output: 71 [2021-02-23 23:31:07,473 WARN L202 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2021-02-23 23:31:10,676 WARN L202 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:31:11,646 WARN L202 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2021-02-23 23:31:12,509 WARN L202 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2021-02-23 23:31:13,380 WARN L202 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2021-02-23 23:31:16,575 WARN L202 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:31:17,451 WARN L202 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:31:18,480 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2021-02-23 23:31:19,249 WARN L202 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-02-23 23:31:20,152 WARN L202 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2021-02-23 23:31:21,050 WARN L202 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2021-02-23 23:31:21,795 WARN L202 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 73 [2021-02-23 23:31:23,095 WARN L202 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 145 DAG size of output: 71 [2021-02-23 23:31:24,182 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 114 DAG size of output: 75 [2021-02-23 23:31:27,247 WARN L202 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:31:30,318 WARN L202 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:31:31,241 WARN L202 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2021-02-23 23:31:34,311 WARN L202 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:31:36,082 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 153 DAG size of output: 77 [2021-02-23 23:31:37,128 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 155 DAG size of output: 76 [2021-02-23 23:31:38,049 WARN L202 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2021-02-23 23:31:39,262 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2021-02-23 23:31:39,938 WARN L202 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2021-02-23 23:31:43,006 WARN L202 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:31:44,606 WARN L202 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 153 DAG size of output: 77 [2021-02-23 23:31:47,721 WARN L202 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:31:48,648 WARN L202 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2021-02-23 23:31:49,857 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2021-02-23 23:31:50,563 WARN L202 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-02-23 23:31:51,458 WARN L202 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 61 [2021-02-23 23:31:52,387 WARN L202 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2021-02-23 23:31:53,309 WARN L202 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2021-02-23 23:31:53,973 WARN L202 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-02-23 23:31:55,164 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 151 DAG size of output: 69 [2021-02-23 23:31:56,070 WARN L202 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2021-02-23 23:31:57,031 WARN L202 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 76 [2021-02-23 23:31:57,778 WARN L202 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 73 [2021-02-23 23:31:58,505 WARN L202 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 64 [2021-02-23 23:31:59,577 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 111 DAG size of output: 75 [2021-02-23 23:32:01,188 WARN L202 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 153 DAG size of output: 78 [2021-02-23 23:32:02,139 WARN L202 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 69 [2021-02-23 23:32:03,138 WARN L202 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-02-23 23:32:04,066 WARN L202 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 69 [2021-02-23 23:32:07,162 WARN L202 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:32:07,979 WARN L202 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:32:11,077 WARN L202 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:32:11,915 WARN L202 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-02-23 23:32:15,006 WARN L202 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:32:15,985 WARN L202 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2021-02-23 23:32:17,205 WARN L202 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2021-02-23 23:32:18,176 WARN L202 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:32:19,146 WARN L202 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:32:22,219 WARN L202 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:32:23,195 WARN L202 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:32:26,288 WARN L202 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:32:29,384 WARN L202 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:32:32,468 WARN L202 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:32:33,450 WARN L202 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:32:34,434 WARN L202 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:32:35,415 WARN L202 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:32:36,423 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 104 DAG size of output: 68 [2021-02-23 23:32:37,746 WARN L202 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 151 DAG size of output: 73 [2021-02-23 23:32:40,881 WARN L202 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:32:44,009 WARN L202 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:32:47,186 WARN L202 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:32:48,132 WARN L202 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 73 [2021-02-23 23:32:49,155 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2021-02-23 23:32:49,982 WARN L202 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:32:51,041 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2021-02-23 23:32:52,428 WARN L202 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 150 DAG size of output: 77 [2021-02-23 23:32:55,535 WARN L202 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:32:58,675 WARN L202 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:33:01,814 WARN L202 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:33:03,162 WARN L202 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2021-02-23 23:33:03,946 WARN L202 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-02-23 23:33:04,777 WARN L202 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:33:05,814 WARN L202 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2021-02-23 23:33:06,832 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2021-02-23 23:33:07,776 WARN L202 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2021-02-23 23:33:10,924 WARN L202 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:33:11,925 WARN L202 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2021-02-23 23:33:15,078 WARN L202 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:33:18,236 WARN L202 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:33:18,981 WARN L202 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2021-02-23 23:33:19,933 WARN L202 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 69 [2021-02-23 23:33:20,874 WARN L202 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2021-02-23 23:33:21,807 WARN L202 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 68 [2021-02-23 23:33:24,959 WARN L202 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:33:25,938 WARN L202 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 66 [2021-02-23 23:33:26,851 WARN L202 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 65 [2021-02-23 23:33:27,758 WARN L202 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-02-23 23:33:30,924 WARN L202 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:33:31,905 WARN L202 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2021-02-23 23:33:32,624 WARN L202 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2021-02-23 23:33:33,557 WARN L202 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2021-02-23 23:33:34,565 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-02-23 23:33:35,411 WARN L202 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:33:36,425 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 143 DAG size of output: 70 [2021-02-23 23:33:37,366 WARN L202 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2021-02-23 23:33:38,407 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 148 DAG size of output: 70 [2021-02-23 23:33:39,370 WARN L202 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2021-02-23 23:33:40,213 WARN L202 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:33:41,469 WARN L202 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 159 DAG size of output: 75 [2021-02-23 23:33:42,583 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 106 DAG size of output: 73 [2021-02-23 23:33:43,587 WARN L202 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2021-02-23 23:33:44,573 WARN L202 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2021-02-23 23:33:45,649 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 106 DAG size of output: 72 [2021-02-23 23:33:46,491 WARN L202 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:33:47,401 WARN L202 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2021-02-23 23:33:48,438 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2021-02-23 23:33:49,482 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2021-02-23 23:33:50,519 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 148 DAG size of output: 70 [2021-02-23 23:33:51,518 WARN L202 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 69 [2021-02-23 23:33:52,490 WARN L202 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2021-02-23 23:33:53,245 WARN L202 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2021-02-23 23:33:54,208 WARN L202 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2021-02-23 23:33:55,225 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2021-02-23 23:33:58,409 WARN L202 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:33:59,328 WARN L202 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-02-23 23:34:00,372 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2021-02-23 23:34:01,446 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-02-23 23:34:02,295 WARN L202 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:34:02,424 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 34 [2021-02-23 23:34:03,152 WARN L202 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 69 [2021-02-23 23:34:06,351 WARN L202 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:34:07,285 WARN L202 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 65 [2021-02-23 23:34:08,164 WARN L202 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2021-02-23 23:34:09,084 WARN L202 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2021-02-23 23:34:12,287 WARN L202 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:34:13,139 WARN L202 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:34:14,070 WARN L202 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 65 [2021-02-23 23:34:17,277 WARN L202 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:34:18,245 WARN L202 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2021-02-23 23:34:21,459 WARN L202 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:34:22,587 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 155 DAG size of output: 74 [2021-02-23 23:34:23,559 WARN L202 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-02-23 23:34:24,578 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:34:27,751 WARN L202 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:34:30,969 WARN L202 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:34:34,204 WARN L202 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:34:35,269 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2021-02-23 23:34:38,499 WARN L202 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:34:39,382 WARN L202 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2021-02-23 23:34:42,575 WARN L202 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:34:45,780 WARN L202 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:34:48,982 WARN L202 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:34:49,861 WARN L202 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2021-02-23 23:34:50,740 WARN L202 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2021-02-23 23:34:51,618 WARN L202 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2021-02-23 23:34:54,820 WARN L202 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:34:55,857 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:34:56,885 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:35:00,100 WARN L202 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:35:00,981 WARN L202 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2021-02-23 23:35:01,919 WARN L202 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2021-02-23 23:35:02,906 WARN L202 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-02-23 23:35:04,002 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-02-23 23:35:05,433 WARN L202 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 147 DAG size of output: 71 [2021-02-23 23:35:06,859 WARN L202 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 154 DAG size of output: 75 [2021-02-23 23:35:07,737 WARN L202 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2021-02-23 23:35:10,956 WARN L202 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:35:11,778 WARN L202 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2021-02-23 23:35:12,815 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:35:16,041 WARN L202 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:35:19,262 WARN L202 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:35:22,500 WARN L202 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:35:23,384 WARN L202 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2021-02-23 23:35:24,341 WARN L202 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 61 [2021-02-23 23:35:35,198 WARN L202 SmtUtils]: Spent 10.82 s on a formula simplification. DAG size of input: 298 DAG size of output: 157 [2021-02-23 23:35:46,413 WARN L202 SmtUtils]: Spent 11.19 s on a formula simplification. DAG size of input: 298 DAG size of output: 158 [2021-02-23 23:35:47,474 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2021-02-23 23:35:48,436 WARN L202 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 67 [2021-02-23 23:35:49,172 WARN L202 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-02-23 23:35:52,546 WARN L202 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:35:55,925 WARN L202 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:35:57,261 WARN L202 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2021-02-23 23:36:00,633 WARN L202 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:36:04,034 WARN L202 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:36:05,070 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-02-23 23:36:06,100 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2021-02-23 23:36:07,140 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2021-02-23 23:36:08,214 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 98 DAG size of output: 66 [2021-02-23 23:36:09,360 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 157 DAG size of output: 74 [2021-02-23 23:36:10,278 WARN L202 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:36:11,288 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2021-02-23 23:36:12,321 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2021-02-23 23:36:13,082 WARN L202 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2021-02-23 23:36:16,472 WARN L202 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:36:17,969 WARN L202 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 150 DAG size of output: 73 [2021-02-23 23:36:21,366 WARN L202 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:36:22,393 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-02-23 23:36:25,804 WARN L202 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:36:29,229 WARN L202 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:36:30,158 WARN L202 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:36:31,280 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-02-23 23:36:32,730 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2021-02-23 23:36:33,862 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2021-02-23 23:36:34,788 WARN L202 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2021-02-23 23:36:35,717 WARN L202 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2021-02-23 23:36:39,112 WARN L202 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:36:40,209 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:36:43,592 WARN L202 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:36:47,001 WARN L202 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:36:48,110 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2021-02-23 23:36:49,114 WARN L202 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-02-23 23:36:52,577 WARN L202 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:36:53,333 WARN L202 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2021-02-23 23:36:54,871 WARN L202 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 150 DAG size of output: 77 [2021-02-23 23:36:55,800 WARN L202 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:36:56,841 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2021-02-23 23:36:57,915 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2021-02-23 23:37:01,372 WARN L202 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:37:02,404 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2021-02-23 23:37:03,550 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-02-23 23:37:07,007 WARN L202 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:37:10,471 WARN L202 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:37:13,946 WARN L202 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:37:15,235 WARN L202 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2021-02-23 23:37:16,181 WARN L202 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:37:17,122 WARN L202 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:37:18,269 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 109 DAG size of output: 73 [2021-02-23 23:37:19,262 WARN L202 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 76 [2021-02-23 23:37:20,377 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2021-02-23 23:37:22,403 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 154 DAG size of output: 77 [2021-02-23 23:37:23,472 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2021-02-23 23:37:24,560 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 149 DAG size of output: 69 [2021-02-23 23:37:25,444 WARN L202 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-02-23 23:37:26,385 WARN L202 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-02-23 23:37:27,454 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2021-02-23 23:37:28,571 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2021-02-23 23:37:32,028 WARN L202 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2021-02-23 23:37:35,534 WARN L202 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2021-02-23 23:37:36,664 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 148 DAG size of output: 68