/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label29.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 04:33:41,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:33:41,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:33:41,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-24 04:33:41,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:33:41,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:33:41,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:33:41,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:33:41,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:33:41,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:33:41,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:33:41,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:33:41,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:33:41,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:33:41,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:33:41,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:33:41,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-24 04:33:41,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:33:41,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:33:41,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:33:41,698 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 04:33:41,723 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:33:41,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:33:41,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:33:41,728 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:33:41,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:33:41,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:33:41,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:33:41,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:33:41,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:33:41,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:33:41,730 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:33:41,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:33:41,731 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:33:41,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:33:41,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:33:41,732 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:33:41,732 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:33:41,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:33:41,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:33:41,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:33:41,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:33:41,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:33:41,733 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:33:41,733 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:33:42,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:33:42,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:33:42,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:33:42,192 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:33:42,192 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:33:42,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label29.c [2021-02-24 04:33:42,299 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5edb20327/9b96ced9639c4977a44c4dfd2be73d20/FLAG45f91aa07 [2021-02-24 04:33:43,081 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:33:43,082 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label29.c [2021-02-24 04:33:43,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5edb20327/9b96ced9639c4977a44c4dfd2be73d20/FLAG45f91aa07 [2021-02-24 04:33:43,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5edb20327/9b96ced9639c4977a44c4dfd2be73d20 [2021-02-24 04:33:43,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:33:43,364 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:33:43,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:33:43,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:33:43,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:33:43,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:33:43" (1/1) ... [2021-02-24 04:33:43,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72f2ac78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:33:43, skipping insertion in model container [2021-02-24 04:33:43,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:33:43" (1/1) ... [2021-02-24 04:33:43,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:33:43,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:33:43,878 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_label29.c[17015,17028] [2021-02-24 04:33:43,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:33:43,974 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:33:44,091 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_label29.c[17015,17028] [2021-02-24 04:33:44,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:33:44,158 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:33:44,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:33:44 WrapperNode [2021-02-24 04:33:44,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:33:44,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:33:44,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:33:44,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:33:44,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:33:44" (1/1) ... [2021-02-24 04:33:44,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:33:44" (1/1) ... [2021-02-24 04:33:44,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:33:44" (1/1) ... [2021-02-24 04:33:44,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:33:44" (1/1) ... [2021-02-24 04:33:44,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:33:44" (1/1) ... [2021-02-24 04:33:44,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:33:44" (1/1) ... [2021-02-24 04:33:44,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:33:44" (1/1) ... [2021-02-24 04:33:44,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:33:44,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:33:44,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:33:44,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:33:44,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:33:44" (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 [2021-02-24 04:33:44,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:33:44,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:33:44,419 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:33:44,419 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-24 04:33:44,420 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:33:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-24 04:33:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:33:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:33:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:33:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:33:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 04:33:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-24 04:33:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:33:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:33:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:33:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:33:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:33:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:33:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:33:45,834 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:33:45,834 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-24 04:33:45,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:33:45 BoogieIcfgContainer [2021-02-24 04:33:45,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:33:45,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:33:45,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:33:45,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:33:45,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:33:43" (1/3) ... [2021-02-24 04:33:45,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8e9e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:33:45, skipping insertion in model container [2021-02-24 04:33:45,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:33:44" (2/3) ... [2021-02-24 04:33:45,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8e9e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:33:45, skipping insertion in model container [2021-02-24 04:33:45,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:33:45" (3/3) ... [2021-02-24 04:33:45,852 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label29.c [2021-02-24 04:33:45,860 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:33:45,866 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 04:33:45,886 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 04:33:45,914 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:33:45,914 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:33:45,914 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:33:45,914 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:33:45,915 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:33:45,915 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:33:45,915 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:33:45,915 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:33:45,945 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states. [2021-02-24 04:33:45,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-02-24 04:33:45,971 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:33:45,972 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] [2021-02-24 04:33:45,973 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:33:45,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:33:45,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1194278951, now seen corresponding path program 1 times [2021-02-24 04:33:45,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:33:45,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1419946750] [2021-02-24 04:33:45,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:33:46,080 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:33:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:33:46,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:46,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:33:46,503 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:46,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:33:46,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:46,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:33:46,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:46,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:33:46,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:33:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:33:46,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:46,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:33:46,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:46,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:33:46,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:46,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:33:46,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:33:46,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1419946750] [2021-02-24 04:33:46,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:33:46,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-24 04:33:46,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8568035] [2021-02-24 04:33:46,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-24 04:33:46,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:33:46,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-24 04:33:46,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-24 04:33:46,718 INFO L87 Difference]: Start difference. First operand 536 states. Second operand 5 states. [2021-02-24 04:33:50,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:33:50,687 INFO L93 Difference]: Finished difference Result 1668 states and 2271 transitions. [2021-02-24 04:33:50,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-24 04:33:50,689 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2021-02-24 04:33:50,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:33:50,713 INFO L225 Difference]: With dead ends: 1668 [2021-02-24 04:33:50,714 INFO L226 Difference]: Without dead ends: 1044 [2021-02-24 04:33:50,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-02-24 04:33:50,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2021-02-24 04:33:50,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 874. [2021-02-24 04:33:50,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 874 states. [2021-02-24 04:33:50,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1073 transitions. [2021-02-24 04:33:50,968 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1073 transitions. Word has length 136 [2021-02-24 04:33:50,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:33:50,969 INFO L480 AbstractCegarLoop]: Abstraction has 874 states and 1073 transitions. [2021-02-24 04:33:50,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-24 04:33:50,969 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1073 transitions. [2021-02-24 04:33:50,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-02-24 04:33:50,977 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:33:50,977 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-02-24 04:33:50,978 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:33:50,978 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:33:50,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:33:50,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1924525992, now seen corresponding path program 1 times [2021-02-24 04:33:50,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:33:50,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [495736917] [2021-02-24 04:33:50,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:33:51,053 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:51,076 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:51,087 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:51,092 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:51,120 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:33:51,133 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:33:51,139 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:33:51,144 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:33:51,149 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:33:51,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:33:51,158 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:33:51,161 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:51,166 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:51,169 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:51,174 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:51,199 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:33:51,201 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:33:51,205 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:33:51,207 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:33:51,209 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:33:51,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:33:51,215 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:33:51,218 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:51,222 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:51,225 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:51,230 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:51,254 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:33:51,256 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:33:51,259 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:33:51,261 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:33:51,262 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:33:51,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:33:51,268 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:33:51,271 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:51,275 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:51,277 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:51,282 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:51,306 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:33:51,308 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:33:51,311 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:33:51,313 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:33:51,315 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:33:51,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:33:51,320 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:33:51,322 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:51,327 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:51,329 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:51,333 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:51,357 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:33:51,359 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:33:51,362 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:33:51,364 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:33:51,365 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:33:51,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:33:51,371 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:33:51,373 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:51,377 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:51,380 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:51,384 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:51,408 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:33:51,410 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:33:51,413 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:33:51,414 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:33:51,416 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:33:51,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:33:51,421 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:33:51,422 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:33:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:33:51,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:33:51,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:33:51,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:33:51,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:33:51,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:33:51,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:33:51,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:33:51,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:33:51,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:33:51,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:33:51,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:33:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:33:51,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:33:51,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:33:51,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:33:51,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:33:51,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:33:51,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:33:51,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:33:51,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:33:51,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:33:51,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:33:51,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:33:51,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:33:51,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:33:51,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:33:51,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:33:51,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 04:33:51,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 04:33:51,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 04:33:51,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,956 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 04:33:51,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:51,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:33:52,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:52,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-24 04:33:52,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:52,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 04:33:52,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:52,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:33:52,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:52,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-24 04:33:52,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:52,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:33:52,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:52,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:33:52,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-24 04:33:52,846 WARN L202 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-02-24 04:33:52,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:52,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:33:52,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:52,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:33:52,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:33:53,628 WARN L202 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2021-02-24 04:33:53,630 WARN L141 QuantifierPusher]: treesize reduction -2, result has 106.1 percent of original size [2021-02-24 04:33:53,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:33:53,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:53,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:33:53,633 WARN L147 QuantifierPusher]: treesize reduction -2, result has 106.1 percent of original size 35 [2021-02-24 04:33:53,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:53,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:33:53,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:53,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:33:53,734 WARN L141 QuantifierPusher]: treesize reduction 8, result has 77.1 percent of original size [2021-02-24 04:33:53,735 WARN L147 QuantifierPusher]: treesize reduction 8, result has 77.1 percent of original size 27 [2021-02-24 04:33:53,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:53,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:33:53,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:53,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:33:53,807 WARN L141 QuantifierPusher]: treesize reduction 27, result has 3.6 percent of original size [2021-02-24 04:33:53,807 WARN L147 QuantifierPusher]: treesize reduction 27, result has 3.6 percent of original size 1 [2021-02-24 04:33:53,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [495736917] [2021-02-24 04:33:53,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:33:53,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-02-24 04:33:53,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491544817] [2021-02-24 04:33:53,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-24 04:33:53,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:33:53,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-24 04:33:53,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2021-02-24 04:33:53,811 INFO L87 Difference]: Start difference. First operand 874 states and 1073 transitions. Second operand 19 states. [2021-02-24 04:33:59,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:33:59,133 INFO L93 Difference]: Finished difference Result 2741 states and 3538 transitions. [2021-02-24 04:33:59,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-24 04:33:59,134 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 154 [2021-02-24 04:33:59,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:33:59,148 INFO L225 Difference]: With dead ends: 2741 [2021-02-24 04:33:59,148 INFO L226 Difference]: Without dead ends: 1897 [2021-02-24 04:33:59,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=188, Invalid=682, Unknown=0, NotChecked=0, Total=870 [2021-02-24 04:33:59,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1897 states. [2021-02-24 04:33:59,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1897 to 1809. [2021-02-24 04:33:59,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1809 states. [2021-02-24 04:33:59,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2259 transitions. [2021-02-24 04:33:59,631 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2259 transitions. Word has length 154 [2021-02-24 04:33:59,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:33:59,632 INFO L480 AbstractCegarLoop]: Abstraction has 1809 states and 2259 transitions. [2021-02-24 04:33:59,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-02-24 04:33:59,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2259 transitions. [2021-02-24 04:33:59,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-02-24 04:33:59,640 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:33:59,641 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:33:59,641 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-24 04:33:59,642 INFO L428 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:33:59,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:33:59,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1573029964, now seen corresponding path program 1 times [2021-02-24 04:33:59,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:33:59,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [956181152] [2021-02-24 04:33:59,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:33:59,678 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:59,682 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:59,684 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:59,690 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:59,711 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:33:59,716 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:33:59,719 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:33:59,720 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:33:59,722 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:59,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:33:59,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:59,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:33:59,729 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:33:59,731 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:59,734 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:59,737 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:59,740 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:59,764 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:33:59,766 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:33:59,768 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:33:59,769 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:33:59,771 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:59,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:33:59,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:59,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:33:59,775 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:33:59,777 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:59,780 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:59,782 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:59,785 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:59,806 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:33:59,812 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:33:59,814 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:33:59,816 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:33:59,820 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:59,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:33:59,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:59,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:33:59,824 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:33:59,826 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:59,829 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:59,831 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:59,835 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:59,858 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:33:59,861 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:33:59,864 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:33:59,865 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:33:59,867 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:59,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:33:59,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:59,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:33:59,871 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:33:59,872 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:59,875 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:59,878 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:59,881 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:59,907 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:33:59,909 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:33:59,912 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:33:59,914 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:33:59,915 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:59,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:33:59,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:59,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:33:59,927 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:33:59,930 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:59,936 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:59,938 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:33:59,941 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:33:59,968 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:33:59,970 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:33:59,973 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:33:59,974 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:33:59,975 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:59,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:33:59,976 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:33:59,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:33:59,979 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:33:59,981 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:33:59,984 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:33:59,986 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:33:59,989 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:34:00,011 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:34:00,013 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:34:00,016 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size [2021-02-24 04:34:00,017 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:34:00,019 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:00,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:34:00,024 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size 75 [2021-02-24 04:34:00,025 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:34:00,028 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:34:00,030 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:34:00,033 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:34:00,055 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:34:00,058 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:34:00,061 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size [2021-02-24 04:34:00,062 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:34:00,063 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:00,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:34:00,073 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size 75 [2021-02-24 04:34:00,074 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:34:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:34:00,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:34:00,278 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:34:00,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:34:00,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:34:00,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:34:00,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:34:00,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:34:00,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:34:00,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 04:34:00,312 WARN L141 QuantifierPusher]: treesize reduction 16, result has 40.7 percent of original size [2021-02-24 04:34:00,313 WARN L147 QuantifierPusher]: treesize reduction 16, result has 40.7 percent of original size 11 [2021-02-24 04:34:00,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-24 04:34:00,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,324 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:34:00,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:34:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:34:00,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:34:00,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:34:00,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:34:00,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:34:00,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:00,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,530 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:34:00,531 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:34:00,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:00,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:34:00,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:34:00,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:00,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:34:00,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:34:00,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:00,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:34:00,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:34:00,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:00,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-24 04:34:00,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-24 04:34:00,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:34:00,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:34:00,585 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 04:34:00,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 04:34:00,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 04:34:00,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 04:34:00,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:34:00,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-24 04:34:00,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 04:34:00,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:34:00,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-24 04:34:00,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:00,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:00,815 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:34:00,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-24 04:34:01,489 WARN L202 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-02-24 04:34:01,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:01,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:01,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:01,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:34:01,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:34:02,196 WARN L202 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2021-02-24 04:34:02,198 WARN L141 QuantifierPusher]: treesize reduction -2, result has 106.1 percent of original size [2021-02-24 04:34:02,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:02,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:02,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:34:02,201 WARN L147 QuantifierPusher]: treesize reduction -2, result has 106.1 percent of original size 35 [2021-02-24 04:34:02,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:02,261 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:34:02,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:02,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:34:02,293 WARN L141 QuantifierPusher]: treesize reduction 8, result has 77.1 percent of original size [2021-02-24 04:34:02,294 WARN L147 QuantifierPusher]: treesize reduction 8, result has 77.1 percent of original size 27 [2021-02-24 04:34:02,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:02,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:34:02,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:02,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:34:02,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:02,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-24 04:34:02,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:02,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 04:34:02,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:02,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-24 04:34:02,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:02,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:34:02,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:02,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-24 04:34:02,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:02,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-02-24 04:34:02,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:02,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-02-24 04:34:02,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:02,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-24 04:34:02,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:02,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-24 04:34:02,812 WARN L141 QuantifierPusher]: treesize reduction 38, result has 53.1 percent of original size [2021-02-24 04:34:02,813 WARN L147 QuantifierPusher]: treesize reduction 38, result has 53.1 percent of original size 43 [2021-02-24 04:34:02,815 WARN L141 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-02-24 04:34:02,816 WARN L147 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size 43 [2021-02-24 04:34:02,817 WARN L141 QuantifierPusher]: treesize reduction 25, result has 63.2 percent of original size [2021-02-24 04:34:02,818 WARN L147 QuantifierPusher]: treesize reduction 25, result has 63.2 percent of original size 43 [2021-02-24 04:34:02,819 WARN L141 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size [2021-02-24 04:34:02,820 WARN L147 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size 43 [2021-02-24 04:34:02,821 WARN L141 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size [2021-02-24 04:34:02,822 WARN L147 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size 43 [2021-02-24 04:34:02,823 WARN L141 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-02-24 04:34:02,824 WARN L147 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size 43 [2021-02-24 04:34:02,825 WARN L141 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size [2021-02-24 04:34:02,826 WARN L147 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size 43 [2021-02-24 04:34:02,828 WARN L141 QuantifierPusher]: treesize reduction 48, result has 47.3 percent of original size [2021-02-24 04:34:02,829 WARN L147 QuantifierPusher]: treesize reduction 48, result has 47.3 percent of original size 43 [2021-02-24 04:34:02,831 WARN L141 QuantifierPusher]: treesize reduction 38, result has 53.1 percent of original size [2021-02-24 04:34:02,834 WARN L147 QuantifierPusher]: treesize reduction 38, result has 53.1 percent of original size 43 [2021-02-24 04:34:02,835 WARN L141 QuantifierPusher]: treesize reduction 37, result has 53.8 percent of original size [2021-02-24 04:34:02,836 WARN L147 QuantifierPusher]: treesize reduction 37, result has 53.8 percent of original size 43 [2021-02-24 04:34:02,837 WARN L141 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-02-24 04:34:02,838 WARN L147 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size 43 [2021-02-24 04:34:02,839 WARN L141 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size [2021-02-24 04:34:02,840 WARN L147 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size 43 [2021-02-24 04:34:02,841 WARN L141 QuantifierPusher]: treesize reduction 28, result has 60.6 percent of original size [2021-02-24 04:34:02,842 WARN L147 QuantifierPusher]: treesize reduction 28, result has 60.6 percent of original size 43 [2021-02-24 04:34:02,843 WARN L141 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size [2021-02-24 04:34:02,844 WARN L147 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size 43 [2021-02-24 04:34:02,845 WARN L141 QuantifierPusher]: treesize reduction 28, result has 60.6 percent of original size [2021-02-24 04:34:02,846 WARN L147 QuantifierPusher]: treesize reduction 28, result has 60.6 percent of original size 43 [2021-02-24 04:34:02,847 WARN L141 QuantifierPusher]: treesize reduction 48, result has 47.3 percent of original size [2021-02-24 04:34:02,848 WARN L147 QuantifierPusher]: treesize reduction 48, result has 47.3 percent of original size 43 [2021-02-24 04:34:02,850 WARN L141 QuantifierPusher]: treesize reduction 37, result has 53.8 percent of original size [2021-02-24 04:34:02,851 WARN L147 QuantifierPusher]: treesize reduction 37, result has 53.8 percent of original size 43 [2021-02-24 04:34:02,852 WARN L141 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-02-24 04:34:02,853 WARN L147 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size 43 [2021-02-24 04:34:02,854 WARN L141 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size [2021-02-24 04:34:02,855 WARN L147 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size 43 [2021-02-24 04:34:02,856 WARN L141 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size [2021-02-24 04:34:02,857 WARN L147 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size 43 [2021-02-24 04:34:02,859 WARN L141 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-02-24 04:34:02,860 WARN L147 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size 43 [2021-02-24 04:34:02,861 WARN L141 QuantifierPusher]: treesize reduction 25, result has 63.2 percent of original size [2021-02-24 04:34:02,861 WARN L147 QuantifierPusher]: treesize reduction 25, result has 63.2 percent of original size 43 [2021-02-24 04:34:02,863 WARN L141 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size [2021-02-24 04:34:02,864 WARN L147 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size 43 [2021-02-24 04:34:02,865 WARN L141 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size [2021-02-24 04:34:02,866 WARN L147 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size 43 [2021-02-24 04:34:02,867 WARN L141 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size [2021-02-24 04:34:02,868 WARN L147 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size 43 [2021-02-24 04:34:02,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:02,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:34:02,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:02,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:34:02,871 WARN L141 QuantifierPusher]: treesize reduction 31, result has 3.1 percent of original size [2021-02-24 04:34:02,871 WARN L147 QuantifierPusher]: treesize reduction 31, result has 3.1 percent of original size 1 [2021-02-24 04:34:02,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [956181152] [2021-02-24 04:34:02,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:34:02,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-02-24 04:34:02,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814392934] [2021-02-24 04:34:02,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-24 04:34:02,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:34:02,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-24 04:34:02,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=661, Unknown=0, NotChecked=0, Total=870 [2021-02-24 04:34:02,874 INFO L87 Difference]: Start difference. First operand 1809 states and 2259 transitions. Second operand 26 states. [2021-02-24 04:34:03,753 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-02-24 04:34:04,367 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-02-24 04:34:10,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:34:10,292 INFO L93 Difference]: Finished difference Result 4218 states and 5419 transitions. [2021-02-24 04:34:10,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-24 04:34:10,292 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 198 [2021-02-24 04:34:10,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:34:10,313 INFO L225 Difference]: With dead ends: 4218 [2021-02-24 04:34:10,313 INFO L226 Difference]: Without dead ends: 2342 [2021-02-24 04:34:10,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 587 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=355, Invalid=1367, Unknown=0, NotChecked=0, Total=1722 [2021-02-24 04:34:10,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2342 states. [2021-02-24 04:34:10,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2342 to 1961. [2021-02-24 04:34:10,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1961 states. [2021-02-24 04:34:10,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1961 states and 2507 transitions. [2021-02-24 04:34:10,817 INFO L78 Accepts]: Start accepts. Automaton has 1961 states and 2507 transitions. Word has length 198 [2021-02-24 04:34:10,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:34:10,818 INFO L480 AbstractCegarLoop]: Abstraction has 1961 states and 2507 transitions. [2021-02-24 04:34:10,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2021-02-24 04:34:10,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 2507 transitions. [2021-02-24 04:34:10,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-02-24 04:34:10,827 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:34:10,828 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, 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] [2021-02-24 04:34:10,828 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-02-24 04:34:10,828 INFO L428 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:34:10,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:34:10,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1524283366, now seen corresponding path program 1 times [2021-02-24 04:34:10,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:34:10,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1488084624] [2021-02-24 04:34:10,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:34:10,860 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:34:10,867 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:34:10,869 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:34:10,872 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:34:10,895 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:34:10,896 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:34:10,899 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size [2021-02-24 04:34:10,900 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:34:10,901 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:10,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:10,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:10,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:34:10,905 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size 75 [2021-02-24 04:34:10,907 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:34:10,909 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:34:10,911 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:34:10,914 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:34:10,935 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:34:10,937 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:34:10,940 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size [2021-02-24 04:34:10,941 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:34:10,943 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:10,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:10,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:10,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:34:10,947 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size 75 [2021-02-24 04:34:10,949 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:34:10,951 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:34:10,954 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:34:10,957 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:34:10,978 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:34:10,980 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:34:10,982 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size [2021-02-24 04:34:10,983 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:34:10,983 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:10,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:10,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:10,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:34:10,988 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size 75 [2021-02-24 04:34:10,989 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:34:10,992 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:34:10,996 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:34:10,998 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:34:11,020 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:34:11,021 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:34:11,023 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size [2021-02-24 04:34:11,024 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:34:11,025 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:11,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:34:11,029 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size 75 [2021-02-24 04:34:11,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:34:11,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:34:11,064 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:34:11,066 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:34:11,069 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size [2021-02-24 04:34:11,070 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:34:11,071 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:11,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:34:11,075 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size 75 [2021-02-24 04:34:11,076 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:34:11,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:34:11,108 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:34:11,110 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:34:11,112 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size [2021-02-24 04:34:11,113 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:34:11,115 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:11,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:34:11,118 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size 75 [2021-02-24 04:34:11,119 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:34:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:34:11,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:34:11,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:34:11,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:34:11,217 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:34:11,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,218 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:34:11,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:34:11,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:34:11,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,226 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:34:11,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:34:11,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:34:11,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:34:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:34:11,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:34:11,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:34:11,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:34:11,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-02-24 04:34:11,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-02-24 04:34:11,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-02-24 04:34:11,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:11,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-24 04:34:11,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:34:11,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:34:11,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:34:11,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 04:34:11,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 04:34:11,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 04:34:11,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 04:34:11,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:34:11,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-24 04:34:11,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 04:34:11,532 WARN L141 QuantifierPusher]: treesize reduction 4, result has 93.4 percent of original size [2021-02-24 04:34:11,537 WARN L147 QuantifierPusher]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-02-24 04:34:11,588 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-02-24 04:34:11,590 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size 80 [2021-02-24 04:34:11,664 WARN L141 QuantifierPusher]: treesize reduction 4, result has 96.2 percent of original size [2021-02-24 04:34:11,669 WARN L147 QuantifierPusher]: treesize reduction 4, result has 96.2 percent of original size 101 [2021-02-24 04:34:11,791 WARN L141 QuantifierPusher]: treesize reduction 26, result has 79.5 percent of original size [2021-02-24 04:34:11,797 WARN L147 QuantifierPusher]: treesize reduction 26, result has 79.5 percent of original size 101 [2021-02-24 04:34:11,799 WARN L141 QuantifierPusher]: treesize reduction 4, result has 96.8 percent of original size [2021-02-24 04:34:11,801 WARN L147 QuantifierPusher]: treesize reduction 4, result has 96.8 percent of original size 121 [2021-02-24 04:34:11,919 WARN L141 QuantifierPusher]: treesize reduction 98, result has 30.5 percent of original size [2021-02-24 04:34:11,920 WARN L147 QuantifierPusher]: treesize reduction 98, result has 30.5 percent of original size 43 [2021-02-24 04:34:11,976 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:11,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:34:12,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:12,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:12,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:12,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:34:12,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:34:12,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:12,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 04:34:12,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:12,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 04:34:12,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:12,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-02-24 04:34:12,203 WARN L141 QuantifierPusher]: treesize reduction 8, result has 76.5 percent of original size [2021-02-24 04:34:12,203 WARN L147 QuantifierPusher]: treesize reduction 8, result has 76.5 percent of original size 26 [2021-02-24 04:34:12,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:12,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 04:34:12,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:12,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:34:12,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:12,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 04:34:12,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:12,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-24 04:34:12,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:12,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:34:12,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:12,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 04:34:12,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:12,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:34:12,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:12,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-24 04:34:12,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:12,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-02-24 04:34:12,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:12,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-24 04:34:12,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:12,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-02-24 04:34:12,777 WARN L141 QuantifierPusher]: treesize reduction 38, result has 52.5 percent of original size [2021-02-24 04:34:12,778 WARN L147 QuantifierPusher]: treesize reduction 38, result has 52.5 percent of original size 42 [2021-02-24 04:34:12,779 WARN L141 QuantifierPusher]: treesize reduction 27, result has 60.9 percent of original size [2021-02-24 04:34:12,780 WARN L147 QuantifierPusher]: treesize reduction 27, result has 60.9 percent of original size 42 [2021-02-24 04:34:12,781 WARN L141 QuantifierPusher]: treesize reduction 25, result has 62.7 percent of original size [2021-02-24 04:34:12,782 WARN L147 QuantifierPusher]: treesize reduction 25, result has 62.7 percent of original size 42 [2021-02-24 04:34:12,783 WARN L141 QuantifierPusher]: treesize reduction 26, result has 61.8 percent of original size [2021-02-24 04:34:12,784 WARN L147 QuantifierPusher]: treesize reduction 26, result has 61.8 percent of original size 42 [2021-02-24 04:34:12,787 WARN L141 QuantifierPusher]: treesize reduction 24, result has 63.6 percent of original size [2021-02-24 04:34:12,788 WARN L147 QuantifierPusher]: treesize reduction 24, result has 63.6 percent of original size 42 [2021-02-24 04:34:12,789 WARN L141 QuantifierPusher]: treesize reduction 27, result has 60.9 percent of original size [2021-02-24 04:34:12,790 WARN L147 QuantifierPusher]: treesize reduction 27, result has 60.9 percent of original size 42 [2021-02-24 04:34:12,791 WARN L141 QuantifierPusher]: treesize reduction 46, result has 47.7 percent of original size [2021-02-24 04:34:12,792 WARN L147 QuantifierPusher]: treesize reduction 46, result has 47.7 percent of original size 42 [2021-02-24 04:34:12,793 WARN L141 QuantifierPusher]: treesize reduction 48, result has 46.7 percent of original size [2021-02-24 04:34:12,794 WARN L147 QuantifierPusher]: treesize reduction 48, result has 46.7 percent of original size 42 [2021-02-24 04:34:12,795 WARN L141 QuantifierPusher]: treesize reduction 38, result has 52.5 percent of original size [2021-02-24 04:34:12,796 WARN L147 QuantifierPusher]: treesize reduction 38, result has 52.5 percent of original size 42 [2021-02-24 04:34:12,797 WARN L141 QuantifierPusher]: treesize reduction 37, result has 53.2 percent of original size [2021-02-24 04:34:12,798 WARN L147 QuantifierPusher]: treesize reduction 37, result has 53.2 percent of original size 42 [2021-02-24 04:34:12,799 WARN L141 QuantifierPusher]: treesize reduction 27, result has 60.9 percent of original size [2021-02-24 04:34:12,800 WARN L147 QuantifierPusher]: treesize reduction 27, result has 60.9 percent of original size 42 [2021-02-24 04:34:12,801 WARN L141 QuantifierPusher]: treesize reduction 46, result has 47.7 percent of original size [2021-02-24 04:34:12,802 WARN L147 QuantifierPusher]: treesize reduction 46, result has 47.7 percent of original size 42 [2021-02-24 04:34:12,803 WARN L141 QuantifierPusher]: treesize reduction 24, result has 65.7 percent of original size [2021-02-24 04:34:12,803 WARN L147 QuantifierPusher]: treesize reduction 24, result has 65.7 percent of original size 46 [2021-02-24 04:34:12,889 WARN L141 QuantifierPusher]: treesize reduction 26, result has 60.0 percent of original size [2021-02-24 04:34:12,890 WARN L147 QuantifierPusher]: treesize reduction 26, result has 60.0 percent of original size 39 [2021-02-24 04:34:12,892 WARN L141 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size [2021-02-24 04:34:12,893 WARN L147 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size 43 [2021-02-24 04:34:12,976 WARN L141 QuantifierPusher]: treesize reduction 48, result has 42.9 percent of original size [2021-02-24 04:34:12,977 WARN L147 QuantifierPusher]: treesize reduction 48, result has 42.9 percent of original size 36 [2021-02-24 04:34:12,982 WARN L141 QuantifierPusher]: treesize reduction 37, result has 49.3 percent of original size [2021-02-24 04:34:12,983 WARN L147 QuantifierPusher]: treesize reduction 37, result has 49.3 percent of original size 36 [2021-02-24 04:34:12,987 WARN L141 QuantifierPusher]: treesize reduction 27, result has 57.1 percent of original size [2021-02-24 04:34:12,988 WARN L147 QuantifierPusher]: treesize reduction 27, result has 57.1 percent of original size 36 [2021-02-24 04:34:12,989 WARN L141 QuantifierPusher]: treesize reduction 46, result has 43.9 percent of original size [2021-02-24 04:34:12,990 WARN L147 QuantifierPusher]: treesize reduction 46, result has 43.9 percent of original size 36 [2021-02-24 04:34:12,992 WARN L141 QuantifierPusher]: treesize reduction 26, result has 58.1 percent of original size [2021-02-24 04:34:12,992 WARN L147 QuantifierPusher]: treesize reduction 26, result has 58.1 percent of original size 36 [2021-02-24 04:34:12,993 WARN L141 QuantifierPusher]: treesize reduction 27, result has 57.1 percent of original size [2021-02-24 04:34:12,994 WARN L147 QuantifierPusher]: treesize reduction 27, result has 57.1 percent of original size 36 [2021-02-24 04:34:12,995 WARN L141 QuantifierPusher]: treesize reduction 25, result has 59.0 percent of original size [2021-02-24 04:34:12,996 WARN L147 QuantifierPusher]: treesize reduction 25, result has 59.0 percent of original size 36 [2021-02-24 04:34:12,997 WARN L141 QuantifierPusher]: treesize reduction 26, result has 58.1 percent of original size [2021-02-24 04:34:12,997 WARN L147 QuantifierPusher]: treesize reduction 26, result has 58.1 percent of original size 36 [2021-02-24 04:34:12,999 WARN L141 QuantifierPusher]: treesize reduction 46, result has 43.9 percent of original size [2021-02-24 04:34:13,000 WARN L147 QuantifierPusher]: treesize reduction 46, result has 43.9 percent of original size 36 [2021-02-24 04:34:13,001 WARN L141 QuantifierPusher]: treesize reduction 46, result has 43.9 percent of original size [2021-02-24 04:34:13,002 WARN L147 QuantifierPusher]: treesize reduction 46, result has 43.9 percent of original size 36 [2021-02-24 04:34:13,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:13,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:34:13,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:13,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:34:13,009 WARN L141 QuantifierPusher]: treesize reduction 27, result has 3.6 percent of original size [2021-02-24 04:34:13,010 WARN L147 QuantifierPusher]: treesize reduction 27, result has 3.6 percent of original size 1 [2021-02-24 04:34:13,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1488084624] [2021-02-24 04:34:13,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:34:13,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-02-24 04:34:13,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716235134] [2021-02-24 04:34:13,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-02-24 04:34:13,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:34:13,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-02-24 04:34:13,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=833, Unknown=0, NotChecked=0, Total=1056 [2021-02-24 04:34:13,013 INFO L87 Difference]: Start difference. First operand 1961 states and 2507 transitions. Second operand 31 states. [2021-02-24 04:34:13,873 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-02-24 04:34:14,032 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-02-24 04:34:14,198 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-02-24 04:34:14,397 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-02-24 04:34:15,687 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-02-24 04:34:15,976 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-02-24 04:34:16,216 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-02-24 04:34:21,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:34:21,664 INFO L93 Difference]: Finished difference Result 5206 states and 6758 transitions. [2021-02-24 04:34:21,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-24 04:34:21,665 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 202 [2021-02-24 04:34:21,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:34:21,690 INFO L225 Difference]: With dead ends: 5206 [2021-02-24 04:34:21,690 INFO L226 Difference]: Without dead ends: 3275 [2021-02-24 04:34:21,701 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 785 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=543, Invalid=2213, Unknown=0, NotChecked=0, Total=2756 [2021-02-24 04:34:21,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3275 states. [2021-02-24 04:34:22,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3275 to 2569. [2021-02-24 04:34:22,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2569 states. [2021-02-24 04:34:22,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3207 transitions. [2021-02-24 04:34:22,496 INFO L78 Accepts]: Start accepts. Automaton has 2569 states and 3207 transitions. Word has length 202 [2021-02-24 04:34:22,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:34:22,497 INFO L480 AbstractCegarLoop]: Abstraction has 2569 states and 3207 transitions. [2021-02-24 04:34:22,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has 31 states. [2021-02-24 04:34:22,497 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 3207 transitions. [2021-02-24 04:34:22,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-02-24 04:34:22,509 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:34:22,509 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, 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] [2021-02-24 04:34:22,510 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-02-24 04:34:22,510 INFO L428 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:34:22,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:34:22,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1761362103, now seen corresponding path program 1 times [2021-02-24 04:34:22,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:34:22,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [441072780] [2021-02-24 04:34:22,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:34:22,559 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:34:22,563 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:34:22,565 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:34:22,568 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:34:22,591 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:34:22,594 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:34:22,598 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:34:22,599 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:34:22,601 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:22,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:34:22,605 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:34:22,606 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:34:22,610 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:34:22,611 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:34:22,614 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:34:22,637 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:34:22,639 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:34:22,641 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:34:22,642 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:34:22,643 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:22,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:34:22,647 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:34:22,648 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:34:22,651 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:34:22,652 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:34:22,655 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:34:22,677 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:34:22,678 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:34:22,680 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:34:22,681 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:34:22,682 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:22,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:34:22,686 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:34:22,687 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:34:22,689 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:34:22,691 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:34:22,693 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:34:22,715 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:34:22,716 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:34:22,718 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:34:22,719 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:34:22,720 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:22,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:34:22,723 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:34:22,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:34:22,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:34:22,753 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:34:22,754 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:34:22,756 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 04:34:22,757 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:34:22,758 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:22,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:34:22,761 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 04:34:22,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:34:22,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:34:22,790 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:34:22,791 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:34:22,793 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 04:34:22,794 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:34:22,795 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:22,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:34:22,798 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 04:34:22,799 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:34:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:34:22,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:34:22,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:34:22,955 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,956 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:34:22,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:34:22,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:34:22,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:34:22,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 04:34:22,972 WARN L141 QuantifierPusher]: treesize reduction 16, result has 40.7 percent of original size [2021-02-24 04:34:22,973 WARN L147 QuantifierPusher]: treesize reduction 16, result has 40.7 percent of original size 11 [2021-02-24 04:34:22,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-24 04:34:22,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:22,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:34:23,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:34:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:34:23,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:34:23,071 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:34:23,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:34:23,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:34:23,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:23,190 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:34:23,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:34:23,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:23,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:34:23,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:34:23,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:23,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-02-24 04:34:23,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-24 04:34:23,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:23,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-02-24 04:34:23,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-02-24 04:34:23,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:23,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:23,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-02-24 04:34:23,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-02-24 04:34:23,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-02-24 04:34:23,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:23,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:23,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-02-24 04:34:23,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-02-24 04:34:23,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-02-24 04:34:23,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:23,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:23,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-02-24 04:34:23,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-02-24 04:34:23,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-02-24 04:34:23,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:23,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:23,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-02-24 04:34:23,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-24 04:34:23,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:23,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:23,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-02-24 04:34:23,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:23,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:23,507 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-02-24 04:34:23,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:23,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:23,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-02-24 04:34:23,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:23,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:23,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-02-24 04:34:23,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:23,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:23,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-02-24 04:34:23,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:23,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:23,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-02-24 04:34:23,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:23,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:23,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:23,894 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 162 [2021-02-24 04:34:24,056 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2021-02-24 04:34:24,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:24,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:24,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:24,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:24,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-02-24 04:34:24,263 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2021-02-24 04:34:24,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:24,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:24,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:24,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:24,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-02-24 04:34:24,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:24,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:24,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:24,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:24,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 203 [2021-02-24 04:34:24,581 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2021-02-24 04:34:24,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:24,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:24,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:24,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:24,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 226 [2021-02-24 04:34:24,860 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2021-02-24 04:34:24,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:24,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:24,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:24,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:24,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 268 [2021-02-24 04:34:24,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:24,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:24,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:24,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:24,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 270 [2021-02-24 04:34:25,270 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2021-02-24 04:34:25,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:25,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:25,276 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:25,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:25,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 291 [2021-02-24 04:34:25,652 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2021-02-24 04:34:25,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:25,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:25,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:25,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:25,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 324 [2021-02-24 04:34:25,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:25,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:25,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:25,755 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:25,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-02-24 04:34:25,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:25,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:25,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:25,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:25,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 333 [2021-02-24 04:34:25,955 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:25,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:25,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:25,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:25,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-02-24 04:34:26,344 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2021-02-24 04:34:26,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:26,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:26,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:26,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:26,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-02-24 04:34:26,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:26,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:26,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:26,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:26,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 339 [2021-02-24 04:34:26,874 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2021-02-24 04:34:26,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:26,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:26,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:26,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:26,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 383 [2021-02-24 04:34:27,354 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2021-02-24 04:34:27,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:27,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:27,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:27,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:27,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 403 [2021-02-24 04:34:27,473 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:27,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:27,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:27,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:27,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-02-24 04:34:27,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:27,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:27,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:27,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:27,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 412 [2021-02-24 04:34:27,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:27,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:27,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:27,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:34:27,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 392 [2021-02-24 04:34:27,820 WARN L141 QuantifierPusher]: treesize reduction 316, result has 18.8 percent of original size [2021-02-24 04:34:27,822 WARN L147 QuantifierPusher]: treesize reduction 316, result has 18.8 percent of original size 73 [2021-02-24 04:34:27,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:27,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:34:27,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:27,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:34:28,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:28,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:34:28,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:28,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:34:28,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:34:28,129 WARN L141 QuantifierPusher]: treesize reduction -2, result has 106.9 percent of original size [2021-02-24 04:34:28,130 WARN L147 QuantifierPusher]: treesize reduction -2, result has 106.9 percent of original size 31 [2021-02-24 04:34:28,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:28,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:34:28,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:28,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-24 04:34:28,261 WARN L141 QuantifierPusher]: treesize reduction 8, result has 77.8 percent of original size [2021-02-24 04:34:28,262 WARN L147 QuantifierPusher]: treesize reduction 8, result has 77.8 percent of original size 28 [2021-02-24 04:34:28,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:28,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:34:28,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:28,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-24 04:34:28,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:28,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 04:34:28,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:28,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 04:34:28,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:28,507 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:34:28,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:28,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-24 04:34:28,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:28,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 04:34:28,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:28,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-02-24 04:34:28,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:28,894 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-02-24 04:34:28,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:28,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-02-24 04:34:29,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:29,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-24 04:34:29,202 WARN L141 QuantifierPusher]: treesize reduction 38, result has 53.7 percent of original size [2021-02-24 04:34:29,203 WARN L147 QuantifierPusher]: treesize reduction 38, result has 53.7 percent of original size 44 [2021-02-24 04:34:29,204 WARN L141 QuantifierPusher]: treesize reduction 27, result has 62.0 percent of original size [2021-02-24 04:34:29,205 WARN L147 QuantifierPusher]: treesize reduction 27, result has 62.0 percent of original size 44 [2021-02-24 04:34:29,208 WARN L141 QuantifierPusher]: treesize reduction 25, result has 63.8 percent of original size [2021-02-24 04:34:29,209 WARN L147 QuantifierPusher]: treesize reduction 25, result has 63.8 percent of original size 44 [2021-02-24 04:34:29,209 WARN L141 QuantifierPusher]: treesize reduction 26, result has 62.9 percent of original size [2021-02-24 04:34:29,210 WARN L147 QuantifierPusher]: treesize reduction 26, result has 62.9 percent of original size 44 [2021-02-24 04:34:29,211 WARN L141 QuantifierPusher]: treesize reduction 24, result has 64.7 percent of original size [2021-02-24 04:34:29,212 WARN L147 QuantifierPusher]: treesize reduction 24, result has 64.7 percent of original size 44 [2021-02-24 04:34:29,213 WARN L141 QuantifierPusher]: treesize reduction 27, result has 62.0 percent of original size [2021-02-24 04:34:29,214 WARN L147 QuantifierPusher]: treesize reduction 27, result has 62.0 percent of original size 44 [2021-02-24 04:34:29,215 WARN L141 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-02-24 04:34:29,216 WARN L147 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size 44 [2021-02-24 04:34:29,217 WARN L141 QuantifierPusher]: treesize reduction 48, result has 47.8 percent of original size [2021-02-24 04:34:29,217 WARN L147 QuantifierPusher]: treesize reduction 48, result has 47.8 percent of original size 44 [2021-02-24 04:34:29,218 WARN L141 QuantifierPusher]: treesize reduction 38, result has 53.7 percent of original size [2021-02-24 04:34:29,219 WARN L147 QuantifierPusher]: treesize reduction 38, result has 53.7 percent of original size 44 [2021-02-24 04:34:29,220 WARN L141 QuantifierPusher]: treesize reduction 37, result has 54.3 percent of original size [2021-02-24 04:34:29,221 WARN L147 QuantifierPusher]: treesize reduction 37, result has 54.3 percent of original size 44 [2021-02-24 04:34:29,224 WARN L141 QuantifierPusher]: treesize reduction 27, result has 62.0 percent of original size [2021-02-24 04:34:29,228 WARN L147 QuantifierPusher]: treesize reduction 27, result has 62.0 percent of original size 44 [2021-02-24 04:34:29,231 WARN L141 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-02-24 04:34:29,232 WARN L147 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size 44 [2021-02-24 04:34:29,233 WARN L141 QuantifierPusher]: treesize reduction 28, result has 61.1 percent of original size [2021-02-24 04:34:29,234 WARN L147 QuantifierPusher]: treesize reduction 28, result has 61.1 percent of original size 44 [2021-02-24 04:34:29,235 WARN L141 QuantifierPusher]: treesize reduction 26, result has 62.9 percent of original size [2021-02-24 04:34:29,235 WARN L147 QuantifierPusher]: treesize reduction 26, result has 62.9 percent of original size 44 [2021-02-24 04:34:29,236 WARN L141 QuantifierPusher]: treesize reduction 28, result has 61.1 percent of original size [2021-02-24 04:34:29,237 WARN L147 QuantifierPusher]: treesize reduction 28, result has 61.1 percent of original size 44 [2021-02-24 04:34:29,238 WARN L141 QuantifierPusher]: treesize reduction 48, result has 47.8 percent of original size [2021-02-24 04:34:29,239 WARN L147 QuantifierPusher]: treesize reduction 48, result has 47.8 percent of original size 44 [2021-02-24 04:34:29,240 WARN L141 QuantifierPusher]: treesize reduction 37, result has 54.3 percent of original size [2021-02-24 04:34:29,241 WARN L147 QuantifierPusher]: treesize reduction 37, result has 54.3 percent of original size 44 [2021-02-24 04:34:29,242 WARN L141 QuantifierPusher]: treesize reduction 27, result has 62.0 percent of original size [2021-02-24 04:34:29,242 WARN L147 QuantifierPusher]: treesize reduction 27, result has 62.0 percent of original size 44 [2021-02-24 04:34:29,244 WARN L141 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-02-24 04:34:29,244 WARN L147 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size 44 [2021-02-24 04:34:29,245 WARN L141 QuantifierPusher]: treesize reduction 26, result has 62.9 percent of original size [2021-02-24 04:34:29,246 WARN L147 QuantifierPusher]: treesize reduction 26, result has 62.9 percent of original size 44 [2021-02-24 04:34:29,247 WARN L141 QuantifierPusher]: treesize reduction 27, result has 62.0 percent of original size [2021-02-24 04:34:29,248 WARN L147 QuantifierPusher]: treesize reduction 27, result has 62.0 percent of original size 44 [2021-02-24 04:34:29,249 WARN L141 QuantifierPusher]: treesize reduction 25, result has 63.8 percent of original size [2021-02-24 04:34:29,250 WARN L147 QuantifierPusher]: treesize reduction 25, result has 63.8 percent of original size 44 [2021-02-24 04:34:29,251 WARN L141 QuantifierPusher]: treesize reduction 26, result has 62.9 percent of original size [2021-02-24 04:34:29,251 WARN L147 QuantifierPusher]: treesize reduction 26, result has 62.9 percent of original size 44 [2021-02-24 04:34:29,252 WARN L141 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-02-24 04:34:29,253 WARN L147 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size 44 [2021-02-24 04:34:29,254 WARN L141 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-02-24 04:34:29,255 WARN L147 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size 44 [2021-02-24 04:34:29,256 WARN L141 QuantifierPusher]: treesize reduction 55, result has 1.8 percent of original size [2021-02-24 04:34:29,257 WARN L147 QuantifierPusher]: treesize reduction 55, result has 1.8 percent of original size 1 [2021-02-24 04:34:29,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:34:29,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:34:29,258 WARN L141 QuantifierPusher]: treesize reduction 31, result has 3.1 percent of original size [2021-02-24 04:34:29,259 WARN L147 QuantifierPusher]: treesize reduction 31, result has 3.1 percent of original size 1 [2021-02-24 04:34:29,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [441072780] [2021-02-24 04:34:29,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:34:29,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38 [2021-02-24 04:34:29,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421665584] [2021-02-24 04:34:29,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-02-24 04:34:29,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:34:29,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-02-24 04:34:29,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=356, Invalid=1366, Unknown=0, NotChecked=0, Total=1722 [2021-02-24 04:34:29,262 INFO L87 Difference]: Start difference. First operand 2569 states and 3207 transitions. Second operand 38 states. [2021-02-24 04:34:29,654 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 91 [2021-02-24 04:34:29,841 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 93 [2021-02-24 04:34:30,034 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 91 [2021-02-24 04:34:30,250 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 95 [2021-02-24 04:34:30,451 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 95 [2021-02-24 04:34:30,655 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 97 [2021-02-24 04:34:30,977 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 116 [2021-02-24 04:34:31,355 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 122 [2021-02-24 04:34:31,549 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 53 [2021-02-24 04:34:31,964 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 128 [2021-02-24 04:34:32,407 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 134 [2021-02-24 04:34:32,980 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 135 [2021-02-24 04:34:33,686 WARN L202 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 138 [2021-02-24 04:34:34,015 WARN L202 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 68 [2021-02-24 04:34:34,625 WARN L202 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 139 [2021-02-24 04:34:35,412 WARN L202 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 143 [2021-02-24 04:34:36,116 WARN L202 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 144 [2021-02-24 04:34:36,796 WARN L202 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 145 [2021-02-24 04:34:37,656 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 70 [2021-02-24 04:34:37,827 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 47 [2021-02-24 04:34:38,355 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-02-24 04:34:38,580 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-02-24 04:34:39,535 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 64 [2021-02-24 04:34:46,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:34:46,579 INFO L93 Difference]: Finished difference Result 5997 states and 7733 transitions. [2021-02-24 04:34:46,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-02-24 04:34:46,580 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 218 [2021-02-24 04:34:46,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:34:46,606 INFO L225 Difference]: With dead ends: 5997 [2021-02-24 04:34:46,607 INFO L226 Difference]: Without dead ends: 3272 [2021-02-24 04:34:46,620 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 49 SyntacticMatches, 10 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1786 ImplicationChecksByTransitivity, 14.0s TimeCoverageRelationStatistics Valid=1052, Invalid=4498, Unknown=0, NotChecked=0, Total=5550 [2021-02-24 04:34:46,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3272 states. [2021-02-24 04:34:47,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3272 to 2717. [2021-02-24 04:34:47,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2717 states. [2021-02-24 04:34:47,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 2717 states and 3455 transitions. [2021-02-24 04:34:47,358 INFO L78 Accepts]: Start accepts. Automaton has 2717 states and 3455 transitions. Word has length 218 [2021-02-24 04:34:47,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:34:47,358 INFO L480 AbstractCegarLoop]: Abstraction has 2717 states and 3455 transitions. [2021-02-24 04:34:47,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has 38 states. [2021-02-24 04:34:47,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 3455 transitions. [2021-02-24 04:34:47,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-02-24 04:34:47,369 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:34:47,369 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:34:47,370 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-02-24 04:34:47,370 INFO L428 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:34:47,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:34:47,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1781618192, now seen corresponding path program 1 times [2021-02-24 04:34:47,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:34:47,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [374726425] [2021-02-24 04:34:47,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:34:47,423 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-02-24 04:34:58,811 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 417858 conjuctions. This might take some time...