/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_label58.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 04:39:34,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:39:34,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:39:34,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-24 04:39:34,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:39:34,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:39:34,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:39:34,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:39:34,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:39:34,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:39:34,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:39:34,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:39:34,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:39:34,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:39:34,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:39:34,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:39:34,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-24 04:39:34,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:39:34,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:39:34,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:39:34,237 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 04:39:34,259 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:39:34,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:39:34,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:39:34,262 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:39:34,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:39:34,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:39:34,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:39:34,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:39:34,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:39:34,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:39:34,267 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:39:34,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:39:34,267 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:39:34,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:39:34,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:39:34,268 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:39:34,268 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:39:34,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:39:34,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:39:34,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:39:34,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:39:34,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:39:34,269 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:39:34,269 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:39:34,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:39:34,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:39:34,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:39:34,696 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:39:34,699 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:39:34,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label58.c [2021-02-24 04:39:34,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fd879d13/959074d21c40460e987c4f5565a5dd13/FLAG3e9e5ea7a [2021-02-24 04:39:35,487 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:39:35,488 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label58.c [2021-02-24 04:39:35,516 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fd879d13/959074d21c40460e987c4f5565a5dd13/FLAG3e9e5ea7a [2021-02-24 04:39:35,709 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fd879d13/959074d21c40460e987c4f5565a5dd13 [2021-02-24 04:39:35,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:39:35,728 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:39:35,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:39:35,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:39:35,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:39:35,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:39:35" (1/1) ... [2021-02-24 04:39:35,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3753bb9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:39:35, skipping insertion in model container [2021-02-24 04:39:35,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:39:35" (1/1) ... [2021-02-24 04:39:35,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:39:35,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:39:36,285 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_label58.c[17130,17143] [2021-02-24 04:39:36,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:39:36,334 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:39:36,483 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_label58.c[17130,17143] [2021-02-24 04:39:36,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:39:36,589 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:39:36,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:39:36 WrapperNode [2021-02-24 04:39:36,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:39:36,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:39:36,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:39:36,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:39:36,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:39:36" (1/1) ... [2021-02-24 04:39:36,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:39:36" (1/1) ... [2021-02-24 04:39:36,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:39:36" (1/1) ... [2021-02-24 04:39:36,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:39:36" (1/1) ... [2021-02-24 04:39:36,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:39:36" (1/1) ... [2021-02-24 04:39:36,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:39:36" (1/1) ... [2021-02-24 04:39:36,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:39:36" (1/1) ... [2021-02-24 04:39:36,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:39:36,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:39:36,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:39:36,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:39:36,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:39:36" (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 04:39:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:39:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:39:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:39:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-24 04:39:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:39:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-24 04:39:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:39:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:39:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:39:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:39:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 04:39:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-24 04:39:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:39:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:39:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:39:36,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:39:36,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:39:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:39:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:39:38,206 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:39:38,207 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-24 04:39:38,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:39:38 BoogieIcfgContainer [2021-02-24 04:39:38,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:39:38,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:39:38,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:39:38,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:39:38,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:39:35" (1/3) ... [2021-02-24 04:39:38,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a6bc695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:39:38, skipping insertion in model container [2021-02-24 04:39:38,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:39:36" (2/3) ... [2021-02-24 04:39:38,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a6bc695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:39:38, skipping insertion in model container [2021-02-24 04:39:38,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:39:38" (3/3) ... [2021-02-24 04:39:38,218 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label58.c [2021-02-24 04:39:38,225 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:39:38,230 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 04:39:38,252 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 04:39:38,276 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:39:38,277 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:39:38,277 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:39:38,277 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:39:38,277 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:39:38,277 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:39:38,277 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:39:38,277 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:39:38,304 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states. [2021-02-24 04:39:38,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-02-24 04:39:38,327 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:39:38,328 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:39:38,329 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:39:38,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:39:38,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1632063087, now seen corresponding path program 1 times [2021-02-24 04:39:38,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:39:38,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [949698045] [2021-02-24 04:39:38,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:39:38,412 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:39:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:39:38,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:38,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:39:38,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:38,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:39:38,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:38,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:39:38,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:38,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:39:38,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:39:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:39:38,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:38,982 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:39:38,986 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:38,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:39:39,042 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 04:39:39,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [949698045] [2021-02-24 04:39:39,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:39:39,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 04:39:39,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9393715] [2021-02-24 04:39:39,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 04:39:39,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:39:39,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 04:39:39,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-24 04:39:39,067 INFO L87 Difference]: Start difference. First operand 536 states. Second operand 4 states. [2021-02-24 04:39:41,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:39:41,407 INFO L93 Difference]: Finished difference Result 1215 states and 1661 transitions. [2021-02-24 04:39:41,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-24 04:39:41,409 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2021-02-24 04:39:41,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:39:41,429 INFO L225 Difference]: With dead ends: 1215 [2021-02-24 04:39:41,430 INFO L226 Difference]: Without dead ends: 636 [2021-02-24 04:39:41,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-24 04:39:41,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2021-02-24 04:39:41,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 623. [2021-02-24 04:39:41,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2021-02-24 04:39:41,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 759 transitions. [2021-02-24 04:39:41,675 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 759 transitions. Word has length 137 [2021-02-24 04:39:41,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:39:41,676 INFO L480 AbstractCegarLoop]: Abstraction has 623 states and 759 transitions. [2021-02-24 04:39:41,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 04:39:41,677 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 759 transitions. [2021-02-24 04:39:41,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-02-24 04:39:41,683 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:39:41,684 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:39:41,684 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:39:41,684 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:39:41,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:39:41,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1860374521, now seen corresponding path program 1 times [2021-02-24 04:39:41,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:39:41,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [625558706] [2021-02-24 04:39:41,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:39:41,744 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:39:41,766 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:39:41,774 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:39:41,779 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:39:41,807 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:39:41,819 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:39:41,825 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:39:41,830 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:39:41,835 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:41,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:41,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:41,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:39:41,844 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:39:41,847 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:39:41,852 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:39:41,854 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:39:41,859 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:39:41,884 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:39:41,887 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:39:41,891 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:39:41,893 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:39:41,895 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:41,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:41,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:41,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:39:41,901 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:39:41,901 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:39:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:39:42,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:42,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:39:42,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:42,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:39:42,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:42,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:39:42,125 WARN L141 QuantifierPusher]: treesize reduction 16, result has 33.3 percent of original size [2021-02-24 04:39:42,126 WARN L147 QuantifierPusher]: treesize reduction 16, result has 33.3 percent of original size 8 [2021-02-24 04:39:42,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:42,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:39:42,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:42,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:39:42,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:39:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:39:42,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:42,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:39:42,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:42,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:39:42,285 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 04:39:42,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:42,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-02-24 04:39:42,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:42,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:42,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:42,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-24 04:39:42,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:39:42,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:42,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 04:39:42,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:42,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 04:39:42,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:42,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 04:39:42,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:42,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 04:39:42,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:42,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:39:42,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:42,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-02-24 04:39:42,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:42,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:42,605 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:42,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-02-24 04:39:42,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:42,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-02-24 04:39:42,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:42,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-02-24 04:39:42,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:42,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-02-24 04:39:42,952 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2021-02-24 04:39:42,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:42,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-02-24 04:39:43,116 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2021-02-24 04:39:43,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:43,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-02-24 04:39:43,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:43,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-02-24 04:39:43,365 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-02-24 04:39:43,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:43,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-02-24 04:39:43,578 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-02-24 04:39:43,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:43,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 212 [2021-02-24 04:39:43,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:43,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 214 [2021-02-24 04:39:43,921 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2021-02-24 04:39:43,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:43,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 235 [2021-02-24 04:39:44,252 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2021-02-24 04:39:44,259 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:44,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 268 [2021-02-24 04:39:44,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:44,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 258 [2021-02-24 04:39:44,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:44,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 277 [2021-02-24 04:39:44,473 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:44,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 259 [2021-02-24 04:39:44,792 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2021-02-24 04:39:44,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:44,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-02-24 04:39:44,878 WARN L141 QuantifierPusher]: treesize reduction 235, result has 15.2 percent of original size [2021-02-24 04:39:44,880 WARN L147 QuantifierPusher]: treesize reduction 235, result has 15.2 percent of original size 42 [2021-02-24 04:39:44,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:44,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:39:45,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:45,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:39:45,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:45,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:45,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:45,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:39:45,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:39:45,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:45,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 04:39:45,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:45,209 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 04:39:45,259 WARN L141 QuantifierPusher]: treesize reduction -2, result has 107.1 percent of original size [2021-02-24 04:39:45,261 WARN L147 QuantifierPusher]: treesize reduction -2, result has 107.1 percent of original size 30 [2021-02-24 04:39:45,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:45,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:39:45,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:45,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:39:45,370 WARN L141 QuantifierPusher]: treesize reduction 8, result has 77.1 percent of original size [2021-02-24 04:39:45,372 WARN L147 QuantifierPusher]: treesize reduction 8, result has 77.1 percent of original size 27 [2021-02-24 04:39:45,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:45,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:39:45,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:45,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:39:45,480 WARN L141 QuantifierPusher]: treesize reduction 28, result has 3.4 percent of original size [2021-02-24 04:39:45,481 WARN L147 QuantifierPusher]: treesize reduction 28, result has 3.4 percent of original size 1 [2021-02-24 04:39:45,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [625558706] [2021-02-24 04:39:45,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:39:45,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-02-24 04:39:45,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478344390] [2021-02-24 04:39:45,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-02-24 04:39:45,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:39:45,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-02-24 04:39:45,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=744, Unknown=0, NotChecked=0, Total=992 [2021-02-24 04:39:45,488 INFO L87 Difference]: Start difference. First operand 623 states and 759 transitions. Second operand 30 states. [2021-02-24 04:39:45,835 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2021-02-24 04:39:46,025 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2021-02-24 04:39:46,208 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2021-02-24 04:39:46,385 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2021-02-24 04:39:46,574 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2021-02-24 04:39:46,768 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 97 [2021-02-24 04:39:47,018 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 116 [2021-02-24 04:39:47,396 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 122 [2021-02-24 04:39:47,661 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2021-02-24 04:39:47,975 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 128 [2021-02-24 04:39:48,511 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 134 [2021-02-24 04:39:48,982 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 135 [2021-02-24 04:39:49,279 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2021-02-24 04:39:49,736 WARN L202 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 138 [2021-02-24 04:39:50,268 WARN L202 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 139 [2021-02-24 04:39:50,599 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2021-02-24 04:39:51,259 WARN L202 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 143 [2021-02-24 04:39:52,208 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-02-24 04:39:52,578 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-02-24 04:39:52,811 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-02-24 04:39:53,057 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-02-24 04:39:53,422 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-02-24 04:39:53,705 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-02-24 04:39:54,057 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2021-02-24 04:39:54,386 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-02-24 04:39:54,863 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2021-02-24 04:39:59,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:39:59,844 INFO L93 Difference]: Finished difference Result 1705 states and 2160 transitions. [2021-02-24 04:39:59,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-24 04:39:59,845 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 171 [2021-02-24 04:39:59,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:39:59,856 INFO L225 Difference]: With dead ends: 1705 [2021-02-24 04:39:59,856 INFO L226 Difference]: Without dead ends: 1112 [2021-02-24 04:39:59,861 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 10 SyntacticMatches, 6 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1446 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=976, Invalid=3716, Unknown=0, NotChecked=0, Total=4692 [2021-02-24 04:39:59,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2021-02-24 04:40:00,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1052. [2021-02-24 04:40:00,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2021-02-24 04:40:00,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1300 transitions. [2021-02-24 04:40:00,138 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1300 transitions. Word has length 171 [2021-02-24 04:40:00,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:40:00,139 INFO L480 AbstractCegarLoop]: Abstraction has 1052 states and 1300 transitions. [2021-02-24 04:40:00,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has 30 states. [2021-02-24 04:40:00,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1300 transitions. [2021-02-24 04:40:00,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-02-24 04:40:00,144 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:40:00,147 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-24 04:40:00,147 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 04:40:00,148 INFO L428 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:40:00,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:40:00,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1873705900, now seen corresponding path program 1 times [2021-02-24 04:40:00,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:40:00,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [679714313] [2021-02-24 04:40:00,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:40:00,190 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:40:00,195 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:40:00,197 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:40:00,201 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:40:00,226 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:00,230 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:00,236 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 04:40:00,238 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:00,242 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:00,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:00,247 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 04:40:00,250 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:40:00,254 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:40:00,257 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:40:00,261 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:40:00,283 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:00,285 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:00,291 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 04:40:00,293 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:00,294 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:00,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:00,299 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 04:40:00,302 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:40:00,306 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:40:00,308 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:40:00,312 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:40:00,335 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:00,338 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:00,342 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 04:40:00,343 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:00,346 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:00,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:00,352 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 04:40:00,356 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:40:00,361 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:40:00,363 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:40:00,367 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:40:00,388 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:00,390 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:00,393 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 04:40:00,395 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:00,396 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:00,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:00,401 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 04:40:00,401 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:40:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:40:00,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:40:00,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:40:00,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:40:00,518 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:40:00,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,519 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:40:00,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:40:00,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:40:00,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:40:00,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:40:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:40:00,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:40:00,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,592 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:40:00,623 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 04:40:00,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-24 04:40:00,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-24 04:40:00,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-24 04:40:00,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:40:00,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:40:00,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 04:40:00,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 04:40:00,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 04:40:00,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 04:40:00,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:00,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-24 04:40:00,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:00,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 04:40:00,803 WARN L141 QuantifierPusher]: treesize reduction 3, result has 95.1 percent of original size [2021-02-24 04:40:00,804 WARN L147 QuantifierPusher]: treesize reduction 3, result has 95.1 percent of original size 58 [2021-02-24 04:40:00,849 WARN L141 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size [2021-02-24 04:40:00,850 WARN L147 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size 82 [2021-02-24 04:40:00,912 WARN L141 QuantifierPusher]: treesize reduction 25, result has 76.6 percent of original size [2021-02-24 04:40:00,915 WARN L147 QuantifierPusher]: treesize reduction 25, result has 76.6 percent of original size 82 [2021-02-24 04:40:00,917 WARN L141 QuantifierPusher]: treesize reduction 3, result has 97.2 percent of original size [2021-02-24 04:40:00,919 WARN L147 QuantifierPusher]: treesize reduction 3, result has 97.2 percent of original size 105 [2021-02-24 04:40:00,994 WARN L141 QuantifierPusher]: treesize reduction 3, result has 97.7 percent of original size [2021-02-24 04:40:00,996 WARN L147 QuantifierPusher]: treesize reduction 3, result has 97.7 percent of original size 126 [2021-02-24 04:40:01,090 WARN L141 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-02-24 04:40:01,091 WARN L147 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size 150 [2021-02-24 04:40:01,224 WARN L141 QuantifierPusher]: treesize reduction 3, result has 98.5 percent of original size [2021-02-24 04:40:01,227 WARN L147 QuantifierPusher]: treesize reduction 3, result has 98.5 percent of original size 193 [2021-02-24 04:40:01,458 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-02-24 04:40:01,461 WARN L141 QuantifierPusher]: treesize reduction 48, result has 78.6 percent of original size [2021-02-24 04:40:01,464 WARN L147 QuantifierPusher]: treesize reduction 48, result has 78.6 percent of original size 176 [2021-02-24 04:40:01,466 WARN L141 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-02-24 04:40:01,468 WARN L147 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size 211 [2021-02-24 04:40:01,620 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-02-24 04:40:01,631 WARN L141 QuantifierPusher]: treesize reduction 3, result has 98.8 percent of original size [2021-02-24 04:40:01,634 WARN L147 QuantifierPusher]: treesize reduction 3, result has 98.8 percent of original size 245 [2021-02-24 04:40:01,931 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-02-24 04:40:01,939 WARN L141 QuantifierPusher]: treesize reduction 3, result has 98.9 percent of original size [2021-02-24 04:40:01,941 WARN L147 QuantifierPusher]: treesize reduction 3, result has 98.9 percent of original size 264 [2021-02-24 04:40:02,137 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-02-24 04:40:02,142 WARN L141 QuantifierPusher]: treesize reduction 3, result has 99.0 percent of original size [2021-02-24 04:40:02,148 WARN L147 QuantifierPusher]: treesize reduction 3, result has 99.0 percent of original size 307 [2021-02-24 04:40:02,451 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-02-24 04:40:02,459 WARN L141 QuantifierPusher]: treesize reduction 3, result has 99.1 percent of original size [2021-02-24 04:40:02,463 WARN L147 QuantifierPusher]: treesize reduction 3, result has 99.1 percent of original size 319 [2021-02-24 04:40:02,697 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-02-24 04:40:02,703 WARN L141 QuantifierPusher]: treesize reduction 3, result has 99.1 percent of original size [2021-02-24 04:40:02,707 WARN L147 QuantifierPusher]: treesize reduction 3, result has 99.1 percent of original size 342 [2021-02-24 04:40:02,959 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-02-24 04:40:02,967 WARN L141 QuantifierPusher]: treesize reduction 3, result has 99.2 percent of original size [2021-02-24 04:40:02,970 WARN L147 QuantifierPusher]: treesize reduction 3, result has 99.2 percent of original size 367 [2021-02-24 04:40:03,257 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-02-24 04:40:03,263 WARN L141 QuantifierPusher]: treesize reduction 404, result has 0.2 percent of original size [2021-02-24 04:40:03,264 WARN L147 QuantifierPusher]: treesize reduction 404, result has 0.2 percent of original size 1 [2021-02-24 04:40:03,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:40:03,266 WARN L141 QuantifierPusher]: treesize reduction 23, result has 4.2 percent of original size [2021-02-24 04:40:03,267 WARN L147 QuantifierPusher]: treesize reduction 23, result has 4.2 percent of original size 1 [2021-02-24 04:40:03,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [679714313] [2021-02-24 04:40:03,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:40:03,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-02-24 04:40:03,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411400671] [2021-02-24 04:40:03,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-24 04:40:03,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:40:03,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-24 04:40:03,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2021-02-24 04:40:03,272 INFO L87 Difference]: Start difference. First operand 1052 states and 1300 transitions. Second operand 23 states. [2021-02-24 04:40:04,108 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-02-24 04:40:04,272 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-02-24 04:40:04,473 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-02-24 04:40:04,655 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-02-24 04:40:04,889 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-02-24 04:40:05,144 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2021-02-24 04:40:05,455 WARN L202 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-02-24 04:40:05,753 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-02-24 04:40:06,059 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-02-24 04:40:06,389 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-02-24 04:40:06,736 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-02-24 04:40:07,109 WARN L202 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2021-02-24 04:40:07,490 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-02-24 04:40:10,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:40:10,741 INFO L93 Difference]: Finished difference Result 2814 states and 3544 transitions. [2021-02-24 04:40:10,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-24 04:40:10,742 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 172 [2021-02-24 04:40:10,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:40:10,758 INFO L225 Difference]: With dead ends: 2814 [2021-02-24 04:40:10,759 INFO L226 Difference]: Without dead ends: 1792 [2021-02-24 04:40:10,767 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=523, Invalid=1369, Unknown=0, NotChecked=0, Total=1892 [2021-02-24 04:40:10,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1792 states. [2021-02-24 04:40:11,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1792 to 1692. [2021-02-24 04:40:11,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1692 states. [2021-02-24 04:40:11,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1692 states and 2097 transitions. [2021-02-24 04:40:11,400 INFO L78 Accepts]: Start accepts. Automaton has 1692 states and 2097 transitions. Word has length 172 [2021-02-24 04:40:11,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:40:11,401 INFO L480 AbstractCegarLoop]: Abstraction has 1692 states and 2097 transitions. [2021-02-24 04:40:11,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2021-02-24 04:40:11,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 2097 transitions. [2021-02-24 04:40:11,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-02-24 04:40:11,408 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:40:11,409 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-24 04:40:11,409 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-24 04:40:11,409 INFO L428 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:40:11,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:40:11,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1317762827, now seen corresponding path program 1 times [2021-02-24 04:40:11,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:40:11,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1510899251] [2021-02-24 04:40:11,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:40:11,433 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:40:11,436 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:40:11,438 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:40:11,441 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:40:11,463 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:11,465 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:11,467 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:40:11,469 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:11,470 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:11,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:11,474 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:40:11,476 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:40:11,479 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:40:11,481 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:40:11,484 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:40:11,506 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:11,508 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:11,510 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:40:11,512 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:11,513 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:11,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:11,517 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:40:11,518 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:40:11,521 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:40:11,523 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:40:11,526 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:40:11,548 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:11,549 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:11,552 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:40:11,553 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:11,554 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:11,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:11,558 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:40:11,559 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:40:11,563 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:40:11,564 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:40:11,567 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:40:11,591 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:11,594 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:11,596 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:40:11,598 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:11,599 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:11,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,602 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:11,603 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:40:11,603 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:40:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:40:11,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:40:11,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:40:11,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:40:11,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:40:11,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:40:11,723 WARN L141 QuantifierPusher]: treesize reduction 16, result has 33.3 percent of original size [2021-02-24 04:40:11,723 WARN L147 QuantifierPusher]: treesize reduction 16, result has 33.3 percent of original size 8 [2021-02-24 04:40:11,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:40:11,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:40:11,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:40:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:40:11,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:40:11,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:40:11,862 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 04:40:11,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-02-24 04:40:11,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:11,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:40:11,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-24 04:40:11,875 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:11,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:40:11,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-24 04:40:11,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 04:40:11,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 04:40:11,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:40:11,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:11,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 04:40:12,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:12,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:12,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:12,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-24 04:40:12,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:12,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-02-24 04:40:12,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:12,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-24 04:40:12,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:12,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-02-24 04:40:12,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:12,262 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:40:12,415 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2021-02-24 04:40:12,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:12,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-02-24 04:40:12,546 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-02-24 04:40:12,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:12,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-02-24 04:40:12,705 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-02-24 04:40:12,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:12,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-02-24 04:40:12,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:12,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-02-24 04:40:12,923 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-02-24 04:40:12,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:12,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-02-24 04:40:13,165 WARN L202 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2021-02-24 04:40:13,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:13,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 209 [2021-02-24 04:40:13,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:13,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 211 [2021-02-24 04:40:13,492 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2021-02-24 04:40:13,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:13,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 232 [2021-02-24 04:40:13,812 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2021-02-24 04:40:13,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:13,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 265 [2021-02-24 04:40:13,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:13,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 255 [2021-02-24 04:40:13,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:13,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 274 [2021-02-24 04:40:14,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:14,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-02-24 04:40:14,432 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2021-02-24 04:40:14,440 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:14,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 278 [2021-02-24 04:40:14,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:14,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 280 [2021-02-24 04:40:14,893 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2021-02-24 04:40:14,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:14,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 324 [2021-02-24 04:40:15,321 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2021-02-24 04:40:15,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:15,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 344 [2021-02-24 04:40:15,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:15,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 334 [2021-02-24 04:40:15,473 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:15,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 353 [2021-02-24 04:40:15,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:15,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 333 [2021-02-24 04:40:15,633 WARN L141 QuantifierPusher]: treesize reduction 287, result has 13.0 percent of original size [2021-02-24 04:40:15,634 WARN L147 QuantifierPusher]: treesize reduction 287, result has 13.0 percent of original size 43 [2021-02-24 04:40:15,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:15,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:40:15,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:15,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:40:15,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:15,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:15,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:15,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:40:15,815 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:40:15,880 WARN L141 QuantifierPusher]: treesize reduction -2, result has 106.9 percent of original size [2021-02-24 04:40:15,884 WARN L147 QuantifierPusher]: treesize reduction -2, result has 106.9 percent of original size 31 [2021-02-24 04:40:15,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:15,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:40:15,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:15,956 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-24 04:40:16,011 WARN L141 QuantifierPusher]: treesize reduction 8, result has 77.8 percent of original size [2021-02-24 04:40:16,012 WARN L147 QuantifierPusher]: treesize reduction 8, result has 77.8 percent of original size 28 [2021-02-24 04:40:16,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:16,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:40:16,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:16,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-24 04:40:16,171 WARN L141 QuantifierPusher]: treesize reduction 28, result has 3.4 percent of original size [2021-02-24 04:40:16,172 WARN L147 QuantifierPusher]: treesize reduction 28, result has 3.4 percent of original size 1 [2021-02-24 04:40:16,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1510899251] [2021-02-24 04:40:16,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:40:16,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-02-24 04:40:16,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789879621] [2021-02-24 04:40:16,173 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-02-24 04:40:16,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:40:16,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-02-24 04:40:16,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=759, Unknown=0, NotChecked=0, Total=992 [2021-02-24 04:40:16,175 INFO L87 Difference]: Start difference. First operand 1692 states and 2097 transitions. Second operand 30 states. [2021-02-24 04:40:16,518 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 91 [2021-02-24 04:40:16,682 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 93 [2021-02-24 04:40:16,833 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 91 [2021-02-24 04:40:17,024 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 95 [2021-02-24 04:40:17,218 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 95 [2021-02-24 04:40:17,421 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 97 [2021-02-24 04:40:17,694 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 116 [2021-02-24 04:40:18,077 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 122 [2021-02-24 04:40:18,209 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2021-02-24 04:40:18,369 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2021-02-24 04:40:18,715 WARN L202 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 128 [2021-02-24 04:40:19,129 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 134 [2021-02-24 04:40:19,618 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 135 [2021-02-24 04:40:20,263 WARN L202 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 138 [2021-02-24 04:40:20,573 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2021-02-24 04:40:21,107 WARN L202 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 139 [2021-02-24 04:40:21,808 WARN L202 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 143 [2021-02-24 04:40:22,467 WARN L202 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 144 [2021-02-24 04:40:23,130 WARN L202 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 145 [2021-02-24 04:40:23,467 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2021-02-24 04:40:24,132 WARN L202 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2021-02-24 04:40:25,035 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-02-24 04:40:25,265 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-02-24 04:40:25,526 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2021-02-24 04:40:25,794 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-02-24 04:40:26,076 WARN L202 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-02-24 04:40:26,460 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-02-24 04:40:26,804 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-02-24 04:40:27,377 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-02-24 04:40:27,836 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-02-24 04:40:28,242 WARN L202 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2021-02-24 04:40:32,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:40:32,713 INFO L93 Difference]: Finished difference Result 4329 states and 5479 transitions. [2021-02-24 04:40:32,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-24 04:40:32,714 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 175 [2021-02-24 04:40:32,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:40:32,735 INFO L225 Difference]: With dead ends: 4329 [2021-02-24 04:40:32,736 INFO L226 Difference]: Without dead ends: 2667 [2021-02-24 04:40:32,745 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 11 SyntacticMatches, 11 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1739 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=1166, Invalid=4384, Unknown=0, NotChecked=0, Total=5550 [2021-02-24 04:40:32,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2667 states. [2021-02-24 04:40:33,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2667 to 2244. [2021-02-24 04:40:33,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2244 states. [2021-02-24 04:40:33,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 2244 states and 2800 transitions. [2021-02-24 04:40:33,451 INFO L78 Accepts]: Start accepts. Automaton has 2244 states and 2800 transitions. Word has length 175 [2021-02-24 04:40:33,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:40:33,451 INFO L480 AbstractCegarLoop]: Abstraction has 2244 states and 2800 transitions. [2021-02-24 04:40:33,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has 30 states. [2021-02-24 04:40:33,452 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 2800 transitions. [2021-02-24 04:40:33,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-02-24 04:40:33,461 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:40:33,462 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, 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] [2021-02-24 04:40:33,462 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-02-24 04:40:33,462 INFO L428 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:40:33,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:40:33,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1507977095, now seen corresponding path program 1 times [2021-02-24 04:40:33,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:40:33,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1314602647] [2021-02-24 04:40:33,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:40:33,494 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:33,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:33,532 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:33,534 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:33,536 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:40:33,537 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:33,539 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:33,540 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:33,543 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:40:33,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:33,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:33,578 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:33,579 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:33,581 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:40:33,582 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:33,583 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:33,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:33,588 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:40:33,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,592 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:33,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:33,623 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:33,625 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:33,627 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:40:33,628 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:33,629 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:33,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:33,633 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:40:33,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:33,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:33,668 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:33,669 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:33,673 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:40:33,674 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:33,675 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:33,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:33,678 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:40:33,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:33,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:33,710 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:33,712 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:33,714 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:40:33,715 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:33,716 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:33,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:33,720 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:40:33,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:33,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:33,749 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:33,751 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:33,753 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:40:33,754 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:33,755 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:33,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:33,758 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:40:33,760 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:40:33,762 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:40:33,764 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:40:33,766 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:40:33,792 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:33,794 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:33,796 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 04:40:33,798 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:33,799 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:33,800 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:33,803 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 04:40:33,804 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:40:33,813 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:40:33,814 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:40:33,817 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:40:33,842 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:33,844 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:33,846 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 04:40:33,848 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:33,853 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:33,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:33,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:33,864 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 04:40:33,865 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:40:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:40:34,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:40:34,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:40:34,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:40:34,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:40:34,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:40:34,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:40:34,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:40:34,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:40:34,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 04:40:34,077 WARN L141 QuantifierPusher]: treesize reduction 16, result has 40.7 percent of original size [2021-02-24 04:40:34,077 WARN L147 QuantifierPusher]: treesize reduction 16, result has 40.7 percent of original size 11 [2021-02-24 04:40:34,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-24 04:40:34,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:40:34,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:40:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:40:34,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:40:34,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:40:34,276 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 04:40:34,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:40:34,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:34,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:40:34,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:40:34,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:34,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:40:34,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:40:34,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:34,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:40:34,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:40:34,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:34,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:40:34,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:40:34,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:34,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-24 04:40:34,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-24 04:40:34,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:40:34,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:40:34,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 04:40:34,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 04:40:34,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 04:40:34,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 04:40:34,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:34,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-24 04:40:34,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 04:40:34,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:40:34,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-24 04:40:34,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:34,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:34,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:40:34,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-24 04:40:35,300 WARN L202 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-02-24 04:40:35,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:35,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:35,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:35,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:40:35,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:40:36,028 WARN L202 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2021-02-24 04:40:36,034 WARN L141 QuantifierPusher]: treesize reduction -2, result has 106.1 percent of original size [2021-02-24 04:40:36,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:36,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:36,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:40:36,036 WARN L147 QuantifierPusher]: treesize reduction -2, result has 106.1 percent of original size 35 [2021-02-24 04:40:36,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:36,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:40:36,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:36,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:40:36,133 WARN L141 QuantifierPusher]: treesize reduction 8, result has 77.1 percent of original size [2021-02-24 04:40:36,134 WARN L147 QuantifierPusher]: treesize reduction 8, result has 77.1 percent of original size 27 [2021-02-24 04:40:36,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:36,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:40:36,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:36,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:40:36,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:36,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-24 04:40:36,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:36,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 04:40:36,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:36,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-24 04:40:36,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:36,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:36,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:36,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-24 04:40:36,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:36,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-02-24 04:40:36,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:36,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-02-24 04:40:36,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:36,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-24 04:40:36,532 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:36,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-24 04:40:36,584 WARN L141 QuantifierPusher]: treesize reduction 38, result has 53.1 percent of original size [2021-02-24 04:40:36,585 WARN L147 QuantifierPusher]: treesize reduction 38, result has 53.1 percent of original size 43 [2021-02-24 04:40:36,586 WARN L141 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-02-24 04:40:36,587 WARN L147 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size 43 [2021-02-24 04:40:36,588 WARN L141 QuantifierPusher]: treesize reduction 25, result has 63.2 percent of original size [2021-02-24 04:40:36,589 WARN L147 QuantifierPusher]: treesize reduction 25, result has 63.2 percent of original size 43 [2021-02-24 04:40:36,590 WARN L141 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size [2021-02-24 04:40:36,591 WARN L147 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size 43 [2021-02-24 04:40:36,592 WARN L141 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size [2021-02-24 04:40:36,593 WARN L147 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size 43 [2021-02-24 04:40:36,594 WARN L141 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-02-24 04:40:36,594 WARN L147 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size 43 [2021-02-24 04:40:36,596 WARN L141 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size [2021-02-24 04:40:36,596 WARN L147 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size 43 [2021-02-24 04:40:36,598 WARN L141 QuantifierPusher]: treesize reduction 48, result has 47.3 percent of original size [2021-02-24 04:40:36,598 WARN L147 QuantifierPusher]: treesize reduction 48, result has 47.3 percent of original size 43 [2021-02-24 04:40:36,599 WARN L141 QuantifierPusher]: treesize reduction 38, result has 53.1 percent of original size [2021-02-24 04:40:36,600 WARN L147 QuantifierPusher]: treesize reduction 38, result has 53.1 percent of original size 43 [2021-02-24 04:40:36,601 WARN L141 QuantifierPusher]: treesize reduction 37, result has 53.8 percent of original size [2021-02-24 04:40:36,602 WARN L147 QuantifierPusher]: treesize reduction 37, result has 53.8 percent of original size 43 [2021-02-24 04:40:36,604 WARN L141 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-02-24 04:40:36,604 WARN L147 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size 43 [2021-02-24 04:40:36,605 WARN L141 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size [2021-02-24 04:40:36,606 WARN L147 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size 43 [2021-02-24 04:40:36,607 WARN L141 QuantifierPusher]: treesize reduction 28, result has 60.6 percent of original size [2021-02-24 04:40:36,608 WARN L147 QuantifierPusher]: treesize reduction 28, result has 60.6 percent of original size 43 [2021-02-24 04:40:36,609 WARN L141 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size [2021-02-24 04:40:36,610 WARN L147 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size 43 [2021-02-24 04:40:36,611 WARN L141 QuantifierPusher]: treesize reduction 28, result has 60.6 percent of original size [2021-02-24 04:40:36,612 WARN L147 QuantifierPusher]: treesize reduction 28, result has 60.6 percent of original size 43 [2021-02-24 04:40:36,613 WARN L141 QuantifierPusher]: treesize reduction 48, result has 47.3 percent of original size [2021-02-24 04:40:36,614 WARN L147 QuantifierPusher]: treesize reduction 48, result has 47.3 percent of original size 43 [2021-02-24 04:40:36,615 WARN L141 QuantifierPusher]: treesize reduction 37, result has 53.8 percent of original size [2021-02-24 04:40:36,616 WARN L147 QuantifierPusher]: treesize reduction 37, result has 53.8 percent of original size 43 [2021-02-24 04:40:36,617 WARN L141 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-02-24 04:40:36,618 WARN L147 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size 43 [2021-02-24 04:40:36,619 WARN L141 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size [2021-02-24 04:40:36,620 WARN L147 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size 43 [2021-02-24 04:40:36,621 WARN L141 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size [2021-02-24 04:40:36,622 WARN L147 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size 43 [2021-02-24 04:40:36,623 WARN L141 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-02-24 04:40:36,624 WARN L147 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size 43 [2021-02-24 04:40:36,625 WARN L141 QuantifierPusher]: treesize reduction 25, result has 63.2 percent of original size [2021-02-24 04:40:36,626 WARN L147 QuantifierPusher]: treesize reduction 25, result has 63.2 percent of original size 43 [2021-02-24 04:40:36,627 WARN L141 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size [2021-02-24 04:40:36,628 WARN L147 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size 43 [2021-02-24 04:40:36,629 WARN L141 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size [2021-02-24 04:40:36,630 WARN L147 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size 43 [2021-02-24 04:40:36,631 WARN L141 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size [2021-02-24 04:40:36,632 WARN L147 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size 43 [2021-02-24 04:40:36,633 WARN L141 QuantifierPusher]: treesize reduction 28, result has 60.6 percent of original size [2021-02-24 04:40:36,634 WARN L147 QuantifierPusher]: treesize reduction 28, result has 60.6 percent of original size 43 [2021-02-24 04:40:36,635 WARN L141 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-02-24 04:40:36,635 WARN L147 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size 43 [2021-02-24 04:40:36,637 WARN L141 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-02-24 04:40:36,637 WARN L147 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size 43 [2021-02-24 04:40:36,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:36,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:40:36,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:36,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:40:36,640 WARN L141 QuantifierPusher]: treesize reduction 31, result has 3.1 percent of original size [2021-02-24 04:40:36,641 WARN L147 QuantifierPusher]: treesize reduction 31, result has 3.1 percent of original size 1 [2021-02-24 04:40:36,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1314602647] [2021-02-24 04:40:36,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:40:36,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-02-24 04:40:36,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326927084] [2021-02-24 04:40:36,642 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-24 04:40:36,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:40:36,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-24 04:40:36,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=661, Unknown=0, NotChecked=0, Total=870 [2021-02-24 04:40:36,644 INFO L87 Difference]: Start difference. First operand 2244 states and 2800 transitions. Second operand 26 states. [2021-02-24 04:40:37,277 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-02-24 04:40:37,526 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-02-24 04:40:37,981 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-02-24 04:40:38,136 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-02-24 04:40:43,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:40:43,857 INFO L93 Difference]: Finished difference Result 5104 states and 6519 transitions. [2021-02-24 04:40:43,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-24 04:40:43,857 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 200 [2021-02-24 04:40:43,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:40:43,877 INFO L225 Difference]: With dead ends: 5104 [2021-02-24 04:40:43,877 INFO L226 Difference]: Without dead ends: 2793 [2021-02-24 04:40:43,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=355, Invalid=1367, Unknown=0, NotChecked=0, Total=1722 [2021-02-24 04:40:43,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2793 states. [2021-02-24 04:40:44,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2793 to 2393. [2021-02-24 04:40:44,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2393 states. [2021-02-24 04:40:44,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2393 states to 2393 states and 3033 transitions. [2021-02-24 04:40:44,483 INFO L78 Accepts]: Start accepts. Automaton has 2393 states and 3033 transitions. Word has length 200 [2021-02-24 04:40:44,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:40:44,483 INFO L480 AbstractCegarLoop]: Abstraction has 2393 states and 3033 transitions. [2021-02-24 04:40:44,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2021-02-24 04:40:44,484 INFO L276 IsEmpty]: Start isEmpty. Operand 2393 states and 3033 transitions. [2021-02-24 04:40:44,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-02-24 04:40:44,494 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:40:44,494 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:40:44,495 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-02-24 04:40:44,495 INFO L428 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:40:44,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:40:44,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1689659647, now seen corresponding path program 1 times [2021-02-24 04:40:44,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:40:44,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1726912452] [2021-02-24 04:40:44,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:40:44,537 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,537 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,538 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,539 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,540 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:44,541 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:44,543 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-24 04:40:44,543 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-24 04:40:44,544 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,545 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,546 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,546 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,547 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:44,548 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:44,549 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-24 04:40:44,549 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-24 04:40:44,550 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,551 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,552 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,552 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,554 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:44,556 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:44,557 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-24 04:40:44,558 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-24 04:40:44,559 WARN L141 QuantifierPusher]: treesize reduction 3, result has 94.7 percent of original size [2021-02-24 04:40:44,561 WARN L147 QuantifierPusher]: treesize reduction 3, result has 94.7 percent of original size 54 [2021-02-24 04:40:44,563 WARN L141 QuantifierPusher]: treesize reduction 3, result has 94.7 percent of original size [2021-02-24 04:40:44,566 WARN L147 QuantifierPusher]: treesize reduction 3, result has 94.7 percent of original size 54 [2021-02-24 04:40:44,628 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:44,630 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:44,632 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:40:44,636 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:44,638 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:44,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:44,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:44,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:44,643 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:40:44,645 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,645 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,647 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,648 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,650 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:44,651 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:44,653 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-24 04:40:44,654 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-24 04:40:44,655 WARN L141 QuantifierPusher]: treesize reduction 3, result has 94.7 percent of original size [2021-02-24 04:40:44,658 WARN L147 QuantifierPusher]: treesize reduction 3, result has 94.7 percent of original size 54 [2021-02-24 04:40:44,660 WARN L141 QuantifierPusher]: treesize reduction 3, result has 94.7 percent of original size [2021-02-24 04:40:44,666 WARN L147 QuantifierPusher]: treesize reduction 3, result has 94.7 percent of original size 54 [2021-02-24 04:40:44,690 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:44,692 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:44,695 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:40:44,696 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:44,698 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:44,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:44,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:44,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:44,703 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:40:44,704 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,704 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,705 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,706 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,707 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:44,708 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:44,709 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-24 04:40:44,710 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-24 04:40:44,710 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,711 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,712 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,712 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,714 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:44,715 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:44,717 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-24 04:40:44,718 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-24 04:40:44,719 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,719 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,721 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,721 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,723 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:44,724 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:44,725 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-24 04:40:44,726 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-24 04:40:44,727 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,727 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,728 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,729 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,730 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:44,731 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:44,733 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-24 04:40:44,733 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-24 04:40:44,734 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,734 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,736 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,737 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,738 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:44,739 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:44,741 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-24 04:40:44,741 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-24 04:40:44,742 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,743 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,744 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,744 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,746 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:44,747 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:44,749 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-24 04:40:44,750 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-24 04:40:44,751 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,751 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,752 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,753 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,755 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:44,756 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:44,757 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-24 04:40:44,757 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-24 04:40:44,758 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,759 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,760 WARN L141 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size [2021-02-24 04:40:44,760 WARN L147 QuantifierPusher]: treesize reduction 56, result has 1.8 percent of original size 1 [2021-02-24 04:40:44,762 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:44,763 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:44,765 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-24 04:40:44,765 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-24 04:40:44,766 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:40:44,769 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:40:44,771 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:40:44,774 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:40:44,802 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:44,804 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:44,807 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:40:44,809 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:44,810 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:44,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:44,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:44,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:44,814 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:40:44,815 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:40:44,818 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:40:44,821 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:40:44,824 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:40:44,847 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:44,849 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:44,851 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:40:44,852 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:44,853 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:44,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:44,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:44,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:44,857 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:40:44,858 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:40:44,861 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:40:44,863 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:40:44,866 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:40:44,890 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:44,892 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:44,894 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:40:44,895 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:44,897 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:44,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:44,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:44,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:44,901 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:40:44,903 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:40:44,906 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:40:44,907 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:40:44,910 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:40:44,934 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:44,935 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:44,937 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:40:44,938 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:44,941 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:44,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:44,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:44,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:44,944 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:40:44,945 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:40:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 04:40:44,983 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 04:40:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 04:40:45,048 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 04:40:45,157 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-24 04:40:45,157 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-24 04:40:45,160 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-02-24 04:40:45,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 04:40:45 BoogieIcfgContainer [2021-02-24 04:40:45,208 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 04:40:45,209 INFO L168 Benchmark]: Toolchain (without parser) took 69494.25 ms. Allocated memory was 162.5 MB in the beginning and 739.2 MB in the end (delta: 576.7 MB). Free memory was 135.9 MB in the beginning and 595.3 MB in the end (delta: -459.3 MB). Peak memory consumption was 118.1 MB. Max. memory is 8.0 GB. [2021-02-24 04:40:45,209 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 162.5 MB. Free memory is still 136.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 04:40:45,212 INFO L168 Benchmark]: CACSL2BoogieTranslator took 856.74 ms. Allocated memory is still 162.5 MB. Free memory was 134.8 MB in the beginning and 141.1 MB in the end (delta: -6.3 MB). Peak memory consumption was 28.6 MB. Max. memory is 8.0 GB. [2021-02-24 04:40:45,212 INFO L168 Benchmark]: Boogie Preprocessor took 141.95 ms. Allocated memory is still 162.5 MB. Free memory was 141.1 MB in the beginning and 136.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-24 04:40:45,212 INFO L168 Benchmark]: RCFGBuilder took 1475.60 ms. Allocated memory was 162.5 MB in the beginning and 201.3 MB in the end (delta: 38.8 MB). Free memory was 136.5 MB in the beginning and 105.2 MB in the end (delta: 31.2 MB). Peak memory consumption was 71.5 MB. Max. memory is 8.0 GB. [2021-02-24 04:40:45,212 INFO L168 Benchmark]: TraceAbstraction took 66996.81 ms. Allocated memory was 201.3 MB in the beginning and 739.2 MB in the end (delta: 537.9 MB). Free memory was 104.7 MB in the beginning and 595.3 MB in the end (delta: -490.5 MB). Peak memory consumption was 47.4 MB. Max. memory is 8.0 GB. [2021-02-24 04:40:45,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 162.5 MB. Free memory is still 136.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 856.74 ms. Allocated memory is still 162.5 MB. Free memory was 134.8 MB in the beginning and 141.1 MB in the end (delta: -6.3 MB). Peak memory consumption was 28.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 141.95 ms. Allocated memory is still 162.5 MB. Free memory was 141.1 MB in the beginning and 136.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1475.60 ms. Allocated memory was 162.5 MB in the beginning and 201.3 MB in the end (delta: 38.8 MB). Free memory was 136.5 MB in the beginning and 105.2 MB in the end (delta: 31.2 MB). Peak memory consumption was 71.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 66996.81 ms. Allocated memory was 201.3 MB in the beginning and 739.2 MB in the end (delta: 537.9 MB). Free memory was 104.7 MB in the beginning and 595.3 MB in the end (delta: -490.5 MB). Peak memory consumption was 47.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 491]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int a= 1; [L18] int e= 5; [L19] int d= 4; [L20] int f= 6; [L21] int c= 3; [L24] int u = 21; [L25] int v = 22; [L26] int w = 23; [L27] int x = 24; [L28] int y = 25; [L29] int z = 26; [L32] int a25 = 0; [L33] int a11 = 0; [L34] int a28 = 7; [L35] int a19 = 1; [L36] int a21 = 1; [L37] int a17 = 8; [L613] int output = -1; [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L624] CALL, EXPR calculate_output(input) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L45] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L48] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L52] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L57] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L60] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L64] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L69] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L75] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L79] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L84] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L92] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L101] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L105] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L109] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) [L116] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) [L123] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) [L129] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) [L133] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) [L140] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) [L144] COND TRUE (!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11))) [L145] a28 = 7 [L146] a19 = 0 [L147] a11 = 1 [L148] return -1; [L624] RET, EXPR calculate_output(input) [L624] output = calculate_output(input) [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L624] CALL, EXPR calculate_output(input) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L45] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L48] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L52] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L57] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L60] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L64] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L69] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L75] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L79] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L84] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L92] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L101] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L105] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L109] COND TRUE ((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1)) [L110] a17 = 7 [L111] a25 = 0 [L112] a11 = 1 [L113] a28 = 10 [L114] a19 = 0 [L115] return -1; [L624] RET, EXPR calculate_output(input) [L624] output = calculate_output(input) [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L624] CALL calculate_output(input) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L45] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L48] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L52] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L57] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L60] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L64] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L69] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L75] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L79] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L84] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L92] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L101] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L105] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L109] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) [L116] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) [L123] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) [L129] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) [L133] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) [L140] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) [L144] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) [L149] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) [L153] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) [L158] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) [L164] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) [L169] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) [L175] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) [L179] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) [L185] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) [L189] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) [L195] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) [L197] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) [L199] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) [L201] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) [L204] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) [L208] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) [L212] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) [L222] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) [L225] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) [L228] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) [L233] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) [L235] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) [L242] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) [L244] COND FALSE !(((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1)))) [L247] COND FALSE !((!(a11==1)&&(((a17==8)&&((((!(a25==1)&&(a28==11))||((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1))))&&(input==3))&&(a21==1)))&&!(a19==1)))) [L258] COND FALSE !(((((!(a11==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==5)))&&(a21==1))&&!(a19==1))&&(a17==8))) [L263] COND FALSE !((((a17==9)&&(((((input==1)&&((a25==1)||!(a25==1)))&&(a11==1))&&(a21==1))&&(a19==1)))&&(a28==9))) [L269] COND FALSE !((!(a11==1)&&((a19==1)&&(((((a28==9)&&(input==6))&&(a21==1))&&(a17==8))&&!(a25==1))))) [L271] COND FALSE !(((a17==9)&&((a21==1)&&((a11==1)&&(((input==3)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a19==1)))))) [L286] COND FALSE !(((a28==7)&&((a17==8)&&(!(a25==1)&&((a21==1)&&((a19==1)&&((input==5)&&!(a11==1)))))))) [L290] COND FALSE !(((a28==8)&&((a21==1)&&((!(a11==1)&&(((input==1)&&(a17==8))&&(a19==1)))&&(a25==1))))) [L293] COND FALSE !((((((a17==8)&&(((input==6)&&((a25==1)||!(a25==1)))&&(a21==1)))&&(a28==10))&&!(a11==1))&&(a19==1))) [L296] COND FALSE !(((!(a11==1)&&((!(a19==1)&&(((!(a25==1)&&(a28==11))||(((a28==10)&&!(a25==1))||((a25==1)&&(a28==11))))&&(input==5)))&&(a17==8)))&&(a21==1))) [L301] COND FALSE !(((a17==8)&&(((a21==1)&&(!(a11==1)&&((a25==1)&&((a28==8)&&(input==6)))))&&(a19==1)))) [L303] COND FALSE !((((a19==1)&&((a17==8)&&(((!(a25==1)&&(input==5))&&(a21==1))&&!(a11==1))))&&(a28==11))) [L307] COND FALSE !(((a11==1)&&(((a17==9)&&((a28==9)&&((a19==1)&&(((a25==1)||!(a25==1))&&(input==5)))))&&(a21==1)))) [L319] COND FALSE !((((((((input==3)&&(a19==1))&&(a21==1))&&(a17==8))&&!(a25==1))&&(a28==11))&&!(a11==1))) [L324] COND FALSE !(((a19==1)&&((a21==1)&&((((input==5)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a11==1))&&(a17==9))))) [L338] COND FALSE !((((a19==1)&&(((!(a11==1)&&(((a25==1)||!(a25==1))&&(input==3)))&&(a28==10))&&(a21==1)))&&(a17==8))) [L341] COND FALSE !(((!(a11==1)&&(((((input==4)&&(a17==8))&&!(a25==1))&&(a21==1))&&(a28==11)))&&(a19==1))) [L347] COND FALSE !((((!(a19==1)&&(((input==4)&&(((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1)))||(!(a25==1)&&(a28==11))))&&(a21==1)))&&(a17==8))&&!(a11==1))) [L359] COND FALSE !((!(a11==1)&&(((a17==8)&&((((a25==1)&&(input==4))&&(a19==1))&&(a28==11)))&&(a21==1)))) [L364] COND FALSE !((((((a21==1)&&((((a28==8)&&!(a25==1))||((a28==9)&&(a25==1)))&&(input==6)))&&!(a11==1))&&!(a19==1))&&(a17==8))) [L371] COND FALSE !(((a19==1)&&((((a21==1)&&((!(a25==1)&&(input==3))&&(a17==9)))&&(a28==8))&&(a11==1)))) [L378] COND FALSE !(((a17==8)&&(((a21==1)&&(((input==5)&&((!(a25==1)&&(a28==8))||((a28==9)&&(a25==1))))&&(a19==1)))&&!(a11==1)))) [L385] COND FALSE !(((a19==1)&&(((((a17==8)&&((input==5)&&!(a11==1)))&&(a21==1))&&(a25==1))&&(a28==8)))) [L388] COND FALSE !((((!(a11==1)&&((((a21==1)&&(input==4))&&(a28==10))&&(a17==8)))&&!(a19==1))&&(a25==1))) [L390] COND FALSE !(((a28==8)&&(((a19==1)&&((a11==1)&&(!(a25==1)&&((a17==9)&&(input==6)))))&&(a21==1)))) [L399] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==6)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))&&(a17==8))&&!(a19==1)))) [L404] COND FALSE !((((((!(a25==1)&&((a19==1)&&(input==3)))&&(a28==9))&&(a21==1))&&(a17==8))&&!(a11==1))) [L408] COND FALSE !((((a17==8)&&((((input==4)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9))))&&(a21==1))&&!(a19==1)))&&!(a11==1))) [L412] COND FALSE !((((!(a11==1)&&((((a19==1)&&(input==5))&&(a17==8))&&(a21==1)))&&(a28==9))&&!(a25==1))) [L414] COND FALSE !((((a11==1)&&((a19==1)&&((a21==1)&&(((a17==9)&&(input==5))&&!(a25==1)))))&&(a28==8))) [L417] COND FALSE !((!(a11==1)&&((a21==1)&&(((a19==1)&&((a17==8)&&((a25==1)&&(input==5))))&&(a28==11))))) [L419] COND FALSE !(((a19==1)&&((a17==8)&&(((((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))&&!(a11==1))&&(a21==1))))) [L424] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==8))) [L427] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==10))&&(a19==1))&&(a21==1))&&(a17==8))) [L430] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==8))) [L433] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7))) [L436] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==8))) [L439] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==9))&&!(a19==1))&&(a21==1))&&(a17==7))) [L442] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==10))&&!(a19==1))&&(a21==1))&&(a17==7))) [L445] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==8))) [L448] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==8))) [L451] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==8))) [L454] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==11))&&!(a19==1))&&(a21==1))&&(a17==8))) [L457] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7))) [L460] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==7))) [L463] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==10))&&!(a19==1))&&(a21==1))&&(a17==7))) [L466] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==11))&&(a19==1))&&(a21==1))&&(a17==7))) [L469] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==7))) [L472] COND FALSE !((((((!(a25==1)&&!(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==7))) [L475] COND FALSE !((((((!(a25==1)&&!(a11==1))&&(a28==9))&&!(a19==1))&&(a21==1))&&(a17==7))) [L478] COND FALSE !((((((!(a25==1)&&!(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7))) [L481] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==8))) [L484] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==9))&&!(a19==1))&&(a21==1))&&(a17==8))) [L487] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==7))) [L490] COND TRUE (((((!(a25==1)&&(a11==1))&&(a28==11))&&!(a19==1))&&(a21==1))&&(a17==8)) [L491] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 539 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 66.8s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 48.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1813 SDtfs, 17673 SDslu, 2885 SDs, 0 SdLazy, 16592 SolverSat, 1519 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 349 GetRequests, 107 SyntacticMatches, 17 SemanticMatches, 225 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4082 ImplicationChecksByTransitivity, 34.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2393occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 996 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...