/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_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 04:38:06,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:38:06,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:38:07,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-24 04:38:07,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:38:07,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:38:07,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:38:07,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:38:07,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:38:07,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:38:07,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:38:07,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:38:07,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:38:07,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:38:07,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:38:07,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:38:07,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-24 04:38:07,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:38:07,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:38:07,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:38:07,133 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 04:38:07,155 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:38:07,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:38:07,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:38:07,160 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:38:07,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:38:07,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:38:07,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:38:07,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:38:07,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:38:07,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:38:07,162 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:38:07,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:38:07,163 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:38:07,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:38:07,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:38:07,164 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:38:07,164 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:38:07,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:38:07,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:38:07,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:38:07,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:38:07,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:38:07,165 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:38:07,166 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:38:07,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:38:07,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:38:07,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:38:07,627 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:38:07,628 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:38:07,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label54.c [2021-02-24 04:38:07,719 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a26dda772/cc85c90a925a4593ab9e66d8cdf4044f/FLAG3cef20cfb [2021-02-24 04:38:08,385 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:38:08,386 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label54.c [2021-02-24 04:38:08,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a26dda772/cc85c90a925a4593ab9e66d8cdf4044f/FLAG3cef20cfb [2021-02-24 04:38:08,619 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a26dda772/cc85c90a925a4593ab9e66d8cdf4044f [2021-02-24 04:38:08,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:38:08,633 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:38:08,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:38:08,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:38:08,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:38:08,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:38:08" (1/1) ... [2021-02-24 04:38:08,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3033b293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:38:08, skipping insertion in model container [2021-02-24 04:38:08,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:38:08" (1/1) ... [2021-02-24 04:38:08,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:38:08,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:38:09,058 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_label54.c[16901,16914] [2021-02-24 04:38:09,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:38:09,163 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:38:09,352 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_label54.c[16901,16914] [2021-02-24 04:38:09,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:38:09,409 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:38:09,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:38:09 WrapperNode [2021-02-24 04:38:09,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:38:09,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:38:09,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:38:09,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:38:09,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:38:09" (1/1) ... [2021-02-24 04:38:09,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:38:09" (1/1) ... [2021-02-24 04:38:09,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:38:09" (1/1) ... [2021-02-24 04:38:09,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:38:09" (1/1) ... [2021-02-24 04:38:09,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:38:09" (1/1) ... [2021-02-24 04:38:09,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:38:09" (1/1) ... [2021-02-24 04:38:09,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:38:09" (1/1) ... [2021-02-24 04:38:09,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:38:09,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:38:09,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:38:09,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:38:09,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:38:09" (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 04:38:09,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:38:09,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:38:09,661 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:38:09,661 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-24 04:38:09,661 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:38:09,661 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-24 04:38:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:38:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:38:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:38:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:38:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 04:38:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-24 04:38:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:38:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:38:09,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:38:09,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:38:09,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:38:09,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:38:09,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:38:11,123 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:38:11,123 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-24 04:38:11,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:38:11 BoogieIcfgContainer [2021-02-24 04:38:11,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:38:11,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:38:11,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:38:11,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:38:11,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:38:08" (1/3) ... [2021-02-24 04:38:11,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a30cce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:38:11, skipping insertion in model container [2021-02-24 04:38:11,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:38:09" (2/3) ... [2021-02-24 04:38:11,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a30cce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:38:11, skipping insertion in model container [2021-02-24 04:38:11,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:38:11" (3/3) ... [2021-02-24 04:38:11,135 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label54.c [2021-02-24 04:38:11,143 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:38:11,148 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 04:38:11,169 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 04:38:11,195 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:38:11,195 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:38:11,195 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:38:11,195 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:38:11,196 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:38:11,196 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:38:11,196 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:38:11,196 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:38:11,224 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states. [2021-02-24 04:38:11,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-02-24 04:38:11,249 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:38:11,250 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] [2021-02-24 04:38:11,251 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:38:11,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:38:11,258 INFO L82 PathProgramCache]: Analyzing trace with hash 377116711, now seen corresponding path program 1 times [2021-02-24 04:38:11,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:38:11,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1850450907] [2021-02-24 04:38:11,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:38:11,342 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:38:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:38:11,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:11,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:38:11,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:11,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:38:11,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:11,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:38:11,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:11,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:38:11,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:38:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:38:11,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:11,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:38:11,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:11,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:38:11,953 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 04:38:11,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1850450907] [2021-02-24 04:38:11,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:38:11,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 04:38:11,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417802646] [2021-02-24 04:38:11,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 04:38:11,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:38:11,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 04:38:11,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-24 04:38:11,988 INFO L87 Difference]: Start difference. First operand 536 states. Second operand 4 states. [2021-02-24 04:38:12,221 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-02-24 04:38:14,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:38:14,690 INFO L93 Difference]: Finished difference Result 1215 states and 1661 transitions. [2021-02-24 04:38:14,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-24 04:38:14,692 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 135 [2021-02-24 04:38:14,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:38:14,725 INFO L225 Difference]: With dead ends: 1215 [2021-02-24 04:38:14,725 INFO L226 Difference]: Without dead ends: 636 [2021-02-24 04:38:14,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-24 04:38:14,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2021-02-24 04:38:14,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 623. [2021-02-24 04:38:14,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2021-02-24 04:38:14,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 759 transitions. [2021-02-24 04:38:14,948 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 759 transitions. Word has length 135 [2021-02-24 04:38:14,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:38:14,949 INFO L480 AbstractCegarLoop]: Abstraction has 623 states and 759 transitions. [2021-02-24 04:38:14,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 04:38:14,950 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 759 transitions. [2021-02-24 04:38:14,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-02-24 04:38:14,958 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:38:14,959 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] [2021-02-24 04:38:14,959 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:38:14,959 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:38:14,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:38:14,960 INFO L82 PathProgramCache]: Analyzing trace with hash -833817551, now seen corresponding path program 1 times [2021-02-24 04:38:14,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:38:14,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1584965370] [2021-02-24 04:38:14,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:38:15,028 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:38:15,052 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:38:15,061 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:38:15,068 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:38:15,103 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:38:15,116 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:38:15,123 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:38:15,128 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:38:15,134 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:38:15,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:38:15,148 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:38:15,154 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:38:15,161 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:38:15,164 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:38:15,170 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:38:15,199 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:38:15,202 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:38:15,206 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:38:15,208 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:38:15,210 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:38:15,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:38:15,216 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:38:15,217 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:38:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:38:15,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,395 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:38:15,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:38:15,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:38:15,412 WARN L141 QuantifierPusher]: treesize reduction 16, result has 33.3 percent of original size [2021-02-24 04:38:15,413 WARN L147 QuantifierPusher]: treesize reduction 16, result has 33.3 percent of original size 8 [2021-02-24 04:38:15,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:38:15,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:38:15,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:38:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:38:15,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:38:15,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:38:15,613 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 04:38:15,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-02-24 04:38:15,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:38:15,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-24 04:38:15,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:38:15,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 04:38:15,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 04:38:15,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,684 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 04:38:15,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 04:38:15,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:38:15,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-02-24 04:38:15,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:38:15,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-02-24 04:38:15,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-02-24 04:38:15,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:15,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-02-24 04:38:16,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:16,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-02-24 04:38:16,292 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2021-02-24 04:38:16,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:16,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-02-24 04:38:16,500 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2021-02-24 04:38:16,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:16,507 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-02-24 04:38:16,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:16,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-02-24 04:38:16,770 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-02-24 04:38:16,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:16,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-02-24 04:38:17,054 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-02-24 04:38:17,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:17,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 212 [2021-02-24 04:38:17,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:17,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 214 [2021-02-24 04:38:17,388 WARN L202 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2021-02-24 04:38:17,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:17,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 235 [2021-02-24 04:38:17,730 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2021-02-24 04:38:17,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:17,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 268 [2021-02-24 04:38:17,820 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:17,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 258 [2021-02-24 04:38:17,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:17,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 277 [2021-02-24 04:38:17,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:17,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 259 [2021-02-24 04:38:18,388 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2021-02-24 04:38:18,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:18,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-02-24 04:38:18,472 WARN L141 QuantifierPusher]: treesize reduction 235, result has 15.2 percent of original size [2021-02-24 04:38:18,474 WARN L147 QuantifierPusher]: treesize reduction 235, result has 15.2 percent of original size 42 [2021-02-24 04:38:18,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:18,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:38:18,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:18,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:38:18,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:18,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:38:18,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:18,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:38:18,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:38:18,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:18,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 04:38:18,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:18,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 04:38:18,853 WARN L141 QuantifierPusher]: treesize reduction -2, result has 107.1 percent of original size [2021-02-24 04:38:18,854 WARN L147 QuantifierPusher]: treesize reduction -2, result has 107.1 percent of original size 30 [2021-02-24 04:38:18,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:18,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:38:18,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:18,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:38:18,971 WARN L141 QuantifierPusher]: treesize reduction 8, result has 77.1 percent of original size [2021-02-24 04:38:18,974 WARN L147 QuantifierPusher]: treesize reduction 8, result has 77.1 percent of original size 27 [2021-02-24 04:38:18,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:18,976 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:38:19,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:19,032 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:38:19,103 WARN L141 QuantifierPusher]: treesize reduction 28, result has 3.4 percent of original size [2021-02-24 04:38:19,105 WARN L147 QuantifierPusher]: treesize reduction 28, result has 3.4 percent of original size 1 [2021-02-24 04:38:19,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1584965370] [2021-02-24 04:38:19,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:38:19,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-02-24 04:38:19,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406792239] [2021-02-24 04:38:19,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-02-24 04:38:19,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:38:19,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-02-24 04:38:19,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=744, Unknown=0, NotChecked=0, Total=992 [2021-02-24 04:38:19,109 INFO L87 Difference]: Start difference. First operand 623 states and 759 transitions. Second operand 30 states. [2021-02-24 04:38:19,543 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2021-02-24 04:38:19,752 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2021-02-24 04:38:19,960 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2021-02-24 04:38:20,176 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2021-02-24 04:38:20,404 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2021-02-24 04:38:20,644 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 97 [2021-02-24 04:38:20,972 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 116 [2021-02-24 04:38:21,419 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 122 [2021-02-24 04:38:21,729 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2021-02-24 04:38:22,143 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 128 [2021-02-24 04:38:22,789 WARN L202 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 134 [2021-02-24 04:38:23,362 WARN L202 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 135 [2021-02-24 04:38:23,725 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2021-02-24 04:38:24,278 WARN L202 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 138 [2021-02-24 04:38:24,903 WARN L202 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 139 [2021-02-24 04:38:25,326 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2021-02-24 04:38:26,087 WARN L202 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 143 [2021-02-24 04:38:26,334 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-02-24 04:38:27,322 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-02-24 04:38:27,562 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-02-24 04:38:27,829 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-02-24 04:38:28,119 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-02-24 04:38:28,494 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-02-24 04:38:28,852 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-02-24 04:38:29,283 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2021-02-24 04:38:29,679 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-02-24 04:38:30,241 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2021-02-24 04:38:35,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:38:35,740 INFO L93 Difference]: Finished difference Result 1705 states and 2160 transitions. [2021-02-24 04:38:35,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-24 04:38:35,741 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 169 [2021-02-24 04:38:35,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:38:35,750 INFO L225 Difference]: With dead ends: 1705 [2021-02-24 04:38:35,750 INFO L226 Difference]: Without dead ends: 1112 [2021-02-24 04:38:35,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 10 SyntacticMatches, 6 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1446 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=976, Invalid=3716, Unknown=0, NotChecked=0, Total=4692 [2021-02-24 04:38:35,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2021-02-24 04:38:35,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1052. [2021-02-24 04:38:35,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2021-02-24 04:38:36,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1300 transitions. [2021-02-24 04:38:36,006 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1300 transitions. Word has length 169 [2021-02-24 04:38:36,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:38:36,007 INFO L480 AbstractCegarLoop]: Abstraction has 1052 states and 1300 transitions. [2021-02-24 04:38:36,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 30 states. [2021-02-24 04:38:36,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1300 transitions. [2021-02-24 04:38:36,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-02-24 04:38:36,012 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:38:36,012 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] [2021-02-24 04:38:36,013 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 04:38:36,013 INFO L428 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:38:36,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:38:36,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1106428748, now seen corresponding path program 1 times [2021-02-24 04:38:36,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:38:36,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [955916370] [2021-02-24 04:38:36,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:38:36,039 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:38:36,043 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:38:36,045 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:38:36,050 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:38:36,076 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:38:36,079 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:38:36,084 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 04:38:36,086 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:38:36,090 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:38:36,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:38:36,095 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 04:38:36,098 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:38:36,105 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:38:36,109 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:38:36,117 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:38:36,144 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:38:36,145 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:38:36,151 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 04:38:36,155 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:38:36,157 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:38:36,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:38:36,163 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 04:38:36,169 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:38:36,173 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:38:36,176 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:38:36,182 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:38:36,209 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:38:36,211 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:38:36,214 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 04:38:36,215 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:38:36,217 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:38:36,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:38:36,224 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 04:38:36,226 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:38:36,230 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:38:36,232 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:38:36,235 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:38:36,261 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:38:36,263 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:38:36,266 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 04:38:36,267 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:38:36,268 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:38:36,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:38:36,273 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 04:38:36,273 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:38:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:38:36,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:38:36,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:38:36,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:38:36,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 04:38:36,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 04:38:36,461 WARN L141 QuantifierPusher]: treesize reduction 16, result has 40.7 percent of original size [2021-02-24 04:38:36,462 WARN L147 QuantifierPusher]: treesize reduction 16, result has 40.7 percent of original size 11 [2021-02-24 04:38:36,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-24 04:38:36,473 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:38:36,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:38:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:38:36,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:38:36,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:38:36,666 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 04:38:36,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-24 04:38:36,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:38:36,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-24 04:38:36,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:38:36,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:38:36,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-24 04:38:36,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:38:36,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 04:38:36,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 04:38:36,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-24 04:38:36,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:38:36,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-24 04:38:36,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-02-24 04:38:36,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-02-24 04:38:36,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-24 04:38:36,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:36,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-24 04:38:37,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:37,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-02-24 04:38:37,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:37,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-02-24 04:38:37,313 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2021-02-24 04:38:37,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:37,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-02-24 04:38:37,516 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2021-02-24 04:38:37,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:37,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-02-24 04:38:37,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:37,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-02-24 04:38:37,786 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2021-02-24 04:38:37,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:37,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-02-24 04:38:38,083 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2021-02-24 04:38:38,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:38,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 210 [2021-02-24 04:38:38,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:38,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 212 [2021-02-24 04:38:38,494 WARN L202 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2021-02-24 04:38:38,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:38,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2021-02-24 04:38:38,860 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2021-02-24 04:38:38,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:38,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 266 [2021-02-24 04:38:38,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:38,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-02-24 04:38:38,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:38,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 275 [2021-02-24 04:38:39,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:39,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 257 [2021-02-24 04:38:39,482 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2021-02-24 04:38:39,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:39,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 279 [2021-02-24 04:38:39,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:39,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-02-24 04:38:40,015 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2021-02-24 04:38:40,027 WARN L141 QuantifierPusher]: treesize reduction 257, result has 18.4 percent of original size [2021-02-24 04:38:40,029 WARN L147 QuantifierPusher]: treesize reduction 257, result has 18.4 percent of original size 58 [2021-02-24 04:38:40,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:40,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 04:38:40,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:40,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 04:38:40,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:40,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:38:40,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:40,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:38:40,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:40,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 04:38:40,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:40,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 04:38:40,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:40,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 04:38:40,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:40,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-02-24 04:38:40,544 WARN L141 QuantifierPusher]: treesize reduction 8, result has 75.8 percent of original size [2021-02-24 04:38:40,545 WARN L147 QuantifierPusher]: treesize reduction 8, result has 75.8 percent of original size 25 [2021-02-24 04:38:40,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:40,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 04:38:40,613 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:40,614 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 04:38:40,677 WARN L141 QuantifierPusher]: treesize reduction 31, result has 3.1 percent of original size [2021-02-24 04:38:40,677 WARN L147 QuantifierPusher]: treesize reduction 31, result has 3.1 percent of original size 1 [2021-02-24 04:38:40,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [955916370] [2021-02-24 04:38:40,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:38:40,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-02-24 04:38:40,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023220910] [2021-02-24 04:38:40,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-02-24 04:38:40,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:38:40,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-02-24 04:38:40,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=851, Unknown=0, NotChecked=0, Total=1122 [2021-02-24 04:38:40,680 INFO L87 Difference]: Start difference. First operand 1052 states and 1300 transitions. Second operand 31 states. [2021-02-24 04:38:41,088 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2021-02-24 04:38:41,320 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2021-02-24 04:38:41,550 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2021-02-24 04:38:41,758 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2021-02-24 04:38:41,977 WARN L202 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2021-02-24 04:38:42,224 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 97 [2021-02-24 04:38:42,560 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 116 [2021-02-24 04:38:43,006 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 122 [2021-02-24 04:38:43,172 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2021-02-24 04:38:43,369 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2021-02-24 04:38:43,791 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 128 [2021-02-24 04:38:44,384 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 134 [2021-02-24 04:38:44,974 WARN L202 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 135 [2021-02-24 04:38:45,348 WARN L202 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2021-02-24 04:38:45,913 WARN L202 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 138 [2021-02-24 04:38:46,507 WARN L202 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 139 [2021-02-24 04:38:46,967 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2021-02-24 04:38:47,775 WARN L202 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 143 [2021-02-24 04:38:48,574 WARN L202 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 144 [2021-02-24 04:38:48,765 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-02-24 04:38:49,558 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-02-24 04:38:49,770 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-02-24 04:38:50,017 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-02-24 04:38:50,295 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-02-24 04:38:50,586 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-02-24 04:38:50,982 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-02-24 04:38:51,374 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-02-24 04:38:51,774 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2021-02-24 04:38:52,156 WARN L202 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-02-24 04:38:52,808 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2021-02-24 04:38:53,329 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2021-02-24 04:38:57,165 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 101 [2021-02-24 04:38:58,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:38:58,989 INFO L93 Difference]: Finished difference Result 3042 states and 3852 transitions. [2021-02-24 04:38:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-02-24 04:38:58,990 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 170 [2021-02-24 04:38:58,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:38:59,006 INFO L225 Difference]: With dead ends: 3042 [2021-02-24 04:38:59,006 INFO L226 Difference]: Without dead ends: 2020 [2021-02-24 04:38:59,012 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 11 SyntacticMatches, 6 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1623 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=1137, Invalid=4265, Unknown=0, NotChecked=0, Total=5402 [2021-02-24 04:38:59,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2020 states. [2021-02-24 04:38:59,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2020 to 1776. [2021-02-24 04:38:59,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1776 states. [2021-02-24 04:38:59,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1776 states and 2235 transitions. [2021-02-24 04:38:59,537 INFO L78 Accepts]: Start accepts. Automaton has 1776 states and 2235 transitions. Word has length 170 [2021-02-24 04:38:59,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:38:59,538 INFO L480 AbstractCegarLoop]: Abstraction has 1776 states and 2235 transitions. [2021-02-24 04:38:59,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has 31 states. [2021-02-24 04:38:59,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2235 transitions. [2021-02-24 04:38:59,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-02-24 04:38:59,546 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:38:59,546 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] [2021-02-24 04:38:59,546 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-24 04:38:59,546 INFO L428 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:38:59,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:38:59,547 INFO L82 PathProgramCache]: Analyzing trace with hash 396393517, now seen corresponding path program 1 times [2021-02-24 04:38:59,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:38:59,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2082152413] [2021-02-24 04:38:59,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:38:59,566 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:38:59,569 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:38:59,571 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:38:59,575 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:38:59,601 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:38:59,603 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:38:59,605 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:38:59,606 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:38:59,608 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:59,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:38:59,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:59,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:38:59,612 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:38:59,613 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:38:59,618 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:38:59,619 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:38:59,623 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:38:59,652 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:38:59,654 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:38:59,656 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:38:59,658 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:38:59,659 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:59,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:38:59,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:59,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:38:59,666 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:38:59,668 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:38:59,671 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:38:59,675 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:38:59,682 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:38:59,714 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:38:59,716 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:38:59,718 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:38:59,719 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:38:59,722 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:59,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:38:59,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:59,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:38:59,729 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:38:59,731 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:38:59,734 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:38:59,736 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:38:59,739 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:38:59,773 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:38:59,774 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:38:59,777 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:38:59,778 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:38:59,779 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:59,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:38:59,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:59,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:38:59,782 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:38:59,783 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:38:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:38:59,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:59,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:38:59,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:59,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:38:59,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:59,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:38:59,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:59,959 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:38:59,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:59,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:38:59,965 WARN L141 QuantifierPusher]: treesize reduction 16, result has 33.3 percent of original size [2021-02-24 04:38:59,965 WARN L147 QuantifierPusher]: treesize reduction 16, result has 33.3 percent of original size 8 [2021-02-24 04:38:59,976 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:59,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:38:59,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:38:59,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:39:00,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:39:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:39:00,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:00,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:39:00,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:00,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:39:00,198 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 04:39:00,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:00,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-02-24 04:39:00,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:00,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:00,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:00,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:39:00,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-24 04:39:00,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:00,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:00,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:00,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:39:00,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-24 04:39:00,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:00,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 04:39:00,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:00,284 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 04:39:00,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:00,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:39:00,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:00,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 04:39:00,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:00,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:39:00,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:00,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-24 04:39:00,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:00,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-02-24 04:39:00,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:00,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-24 04:39:00,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:00,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-02-24 04:39:00,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:00,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:39:00,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:00,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-02-24 04:39:00,838 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-02-24 04:39:00,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:00,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-02-24 04:39:01,055 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-02-24 04:39:01,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:01,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-02-24 04:39:01,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:01,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-02-24 04:39:01,349 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-02-24 04:39:01,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:01,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-02-24 04:39:01,634 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2021-02-24 04:39:01,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:01,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 209 [2021-02-24 04:39:01,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:01,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 211 [2021-02-24 04:39:02,043 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2021-02-24 04:39:02,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:02,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 232 [2021-02-24 04:39:02,416 WARN L202 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2021-02-24 04:39:02,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:02,423 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 265 [2021-02-24 04:39:02,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:02,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 255 [2021-02-24 04:39:02,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:02,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 274 [2021-02-24 04:39:02,608 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:02,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-02-24 04:39:03,020 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2021-02-24 04:39:03,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:03,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 278 [2021-02-24 04:39:03,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:03,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 280 [2021-02-24 04:39:03,553 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2021-02-24 04:39:03,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:03,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 324 [2021-02-24 04:39:04,057 WARN L202 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2021-02-24 04:39:04,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:04,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 344 [2021-02-24 04:39:04,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:04,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 334 [2021-02-24 04:39:04,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:04,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 353 [2021-02-24 04:39:04,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:04,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 333 [2021-02-24 04:39:04,390 WARN L141 QuantifierPusher]: treesize reduction 287, result has 13.0 percent of original size [2021-02-24 04:39:04,391 WARN L147 QuantifierPusher]: treesize reduction 287, result has 13.0 percent of original size 43 [2021-02-24 04:39:04,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:04,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:39:04,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:04,534 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:39:04,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:04,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:04,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:04,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:39:04,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:39:04,668 WARN L141 QuantifierPusher]: treesize reduction -2, result has 106.9 percent of original size [2021-02-24 04:39:04,669 WARN L147 QuantifierPusher]: treesize reduction -2, result has 106.9 percent of original size 31 [2021-02-24 04:39:04,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:04,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:39:04,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:04,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-24 04:39:04,794 WARN L141 QuantifierPusher]: treesize reduction 8, result has 77.8 percent of original size [2021-02-24 04:39:04,795 WARN L147 QuantifierPusher]: treesize reduction 8, result has 77.8 percent of original size 28 [2021-02-24 04:39:04,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:04,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:39:04,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:04,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-24 04:39:04,973 WARN L141 QuantifierPusher]: treesize reduction 28, result has 3.4 percent of original size [2021-02-24 04:39:04,974 WARN L147 QuantifierPusher]: treesize reduction 28, result has 3.4 percent of original size 1 [2021-02-24 04:39:04,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2082152413] [2021-02-24 04:39:04,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:39:04,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-02-24 04:39:04,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330264013] [2021-02-24 04:39:04,975 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-02-24 04:39:04,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:39:04,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-02-24 04:39:04,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=759, Unknown=0, NotChecked=0, Total=992 [2021-02-24 04:39:04,976 INFO L87 Difference]: Start difference. First operand 1776 states and 2235 transitions. Second operand 30 states. [2021-02-24 04:39:05,447 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 91 [2021-02-24 04:39:05,680 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 93 [2021-02-24 04:39:05,905 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 91 [2021-02-24 04:39:06,152 WARN L202 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 95 [2021-02-24 04:39:06,392 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 95 [2021-02-24 04:39:06,644 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 97 [2021-02-24 04:39:06,999 WARN L202 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 116 [2021-02-24 04:39:07,450 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 122 [2021-02-24 04:39:07,605 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2021-02-24 04:39:07,792 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2021-02-24 04:39:08,206 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 128 [2021-02-24 04:39:08,845 WARN L202 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 134 [2021-02-24 04:39:09,397 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 135 [2021-02-24 04:39:09,552 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-02-24 04:39:10,181 WARN L202 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 138 [2021-02-24 04:39:10,571 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2021-02-24 04:39:11,215 WARN L202 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 139 [2021-02-24 04:39:11,558 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2021-02-24 04:39:12,053 WARN L202 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2021-02-24 04:39:12,891 WARN L202 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 143 [2021-02-24 04:39:13,702 WARN L202 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 144 [2021-02-24 04:39:14,491 WARN L202 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 145 [2021-02-24 04:39:14,787 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-02-24 04:39:15,743 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-02-24 04:39:15,960 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-02-24 04:39:16,219 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-02-24 04:39:16,525 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-02-24 04:39:16,870 WARN L202 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2021-02-24 04:39:17,245 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-02-24 04:39:17,588 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-02-24 04:39:17,994 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-02-24 04:39:18,371 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-02-24 04:39:19,030 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-02-24 04:39:19,594 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-02-24 04:39:20,063 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2021-02-24 04:39:25,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:39:25,508 INFO L93 Difference]: Finished difference Result 4039 states and 5152 transitions. [2021-02-24 04:39:25,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-24 04:39:25,509 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 173 [2021-02-24 04:39:25,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:39:25,526 INFO L225 Difference]: With dead ends: 4039 [2021-02-24 04:39:25,527 INFO L226 Difference]: Without dead ends: 2293 [2021-02-24 04:39:25,535 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 11 SyntacticMatches, 11 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1699 ImplicationChecksByTransitivity, 17.0s TimeCoverageRelationStatistics Valid=1166, Invalid=4384, Unknown=0, NotChecked=0, Total=5550 [2021-02-24 04:39:25,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2293 states. [2021-02-24 04:39:26,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2293 to 2202. [2021-02-24 04:39:26,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2202 states. [2021-02-24 04:39:26,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 2202 states and 2793 transitions. [2021-02-24 04:39:26,190 INFO L78 Accepts]: Start accepts. Automaton has 2202 states and 2793 transitions. Word has length 173 [2021-02-24 04:39:26,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:39:26,191 INFO L480 AbstractCegarLoop]: Abstraction has 2202 states and 2793 transitions. [2021-02-24 04:39:26,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has 30 states. [2021-02-24 04:39:26,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 2793 transitions. [2021-02-24 04:39:26,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-02-24 04:39:26,200 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:39:26,201 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:39:26,201 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-02-24 04:39:26,201 INFO L428 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:39:26,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:39:26,202 INFO L82 PathProgramCache]: Analyzing trace with hash 222793859, now seen corresponding path program 1 times [2021-02-24 04:39:26,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:39:26,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1120589132] [2021-02-24 04:39:26,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:39:26,226 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:39:26,230 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:39:26,232 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:39:26,235 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:39:26,267 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:39:26,269 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:39:26,271 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size [2021-02-24 04:39:26,272 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:39:26,273 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:26,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:39:26,278 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size 75 [2021-02-24 04:39:26,279 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:39:26,283 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:39:26,285 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-24 04:39:26,288 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-24 04:39:26,318 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:39:26,320 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:39:26,322 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size [2021-02-24 04:39:26,323 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:39:26,324 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:26,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:39:26,328 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size 75 [2021-02-24 04:39:26,328 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:39:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:39:26,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:39:26,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:39:26,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:39:26,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:39:26,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:39:26,440 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:39:26,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:39:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:39:26,532 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:39:26,534 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,534 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:39:26,578 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 04:39:26,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-02-24 04:39:26,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:26,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-24 04:39:26,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:39:26,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:26,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-24 04:39:26,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-02-24 04:39:26,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:26,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:26,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-24 04:39:26,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-02-24 04:39:26,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-02-24 04:39:26,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:26,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:26,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-24 04:39:26,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-02-24 04:39:26,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-02-24 04:39:26,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:26,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:26,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-24 04:39:26,761 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-02-24 04:39:26,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-02-24 04:39:26,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:26,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:26,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-24 04:39:26,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:39:26,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:26,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:26,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-02-24 04:39:26,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:26,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:26,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-02-24 04:39:26,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:26,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:26,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:26,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-02-24 04:39:27,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:27,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:27,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:27,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:27,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-02-24 04:39:27,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:27,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:27,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:27,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:27,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-02-24 04:39:27,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:27,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:27,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:27,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:27,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-02-24 04:39:27,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:27,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:27,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:27,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:27,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-02-24 04:39:27,490 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2021-02-24 04:39:27,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:27,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:27,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:27,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:27,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-02-24 04:39:27,724 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2021-02-24 04:39:27,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:27,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:27,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:27,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:27,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 201 [2021-02-24 04:39:27,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:27,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:27,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:27,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:27,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 199 [2021-02-24 04:39:28,062 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2021-02-24 04:39:28,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:28,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:28,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:28,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:28,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-02-24 04:39:28,372 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2021-02-24 04:39:28,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:28,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:28,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:28,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:28,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 264 [2021-02-24 04:39:28,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:28,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:28,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:28,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:28,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 266 [2021-02-24 04:39:28,815 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-02-24 04:39:28,820 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:28,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:28,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:28,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:28,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 287 [2021-02-24 04:39:29,212 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2021-02-24 04:39:29,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:29,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:29,217 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:29,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:29,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-02-24 04:39:29,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:29,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:29,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:29,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:29,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 310 [2021-02-24 04:39:29,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:29,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:29,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:29,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:29,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 329 [2021-02-24 04:39:29,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:29,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:29,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:29,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:29,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-02-24 04:39:29,956 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2021-02-24 04:39:29,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:29,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:29,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:29,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:29,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 333 [2021-02-24 04:39:30,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:30,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:30,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:30,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:30,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-02-24 04:39:30,529 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2021-02-24 04:39:30,534 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:30,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:30,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:30,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:30,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-02-24 04:39:31,082 WARN L202 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2021-02-24 04:39:31,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:31,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:31,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:31,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:31,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 399 [2021-02-24 04:39:31,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:31,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:31,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:31,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:31,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 389 [2021-02-24 04:39:31,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:31,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:31,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:31,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:31,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 408 [2021-02-24 04:39:31,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:31,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:31,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:31,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:31,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2021-02-24 04:39:31,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:31,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:31,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:31,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:31,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 389 [2021-02-24 04:39:32,111 WARN L202 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2021-02-24 04:39:32,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:32,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:32,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:32,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:32,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 383 [2021-02-24 04:39:32,711 WARN L202 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2021-02-24 04:39:32,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:32,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:32,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:32,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:32,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 405 [2021-02-24 04:39:32,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:32,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:32,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:32,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:32,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 425 [2021-02-24 04:39:32,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:32,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:32,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:32,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-24 04:39:32,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 425 [2021-02-24 04:39:33,104 WARN L141 QuantifierPusher]: treesize reduction 332, result has 17.2 percent of original size [2021-02-24 04:39:33,105 WARN L147 QuantifierPusher]: treesize reduction 332, result has 17.2 percent of original size 69 [2021-02-24 04:39:33,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:33,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:39:33,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:33,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:39:33,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:33,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:39:33,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:33,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:33,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:33,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:39:33,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:39:34,154 WARN L202 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2021-02-24 04:39:34,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:34,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:34,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:34,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:39:34,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:39:34,907 WARN L202 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-02-24 04:39:34,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:34,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:34,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:34,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:39:34,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:39:34,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:34,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:34,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:34,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:39:34,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:39:35,623 WARN L202 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-02-24 04:39:35,625 WARN L141 QuantifierPusher]: treesize reduction 8, result has 78.9 percent of original size [2021-02-24 04:39:35,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:35,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:35,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:39:35,627 WARN L147 QuantifierPusher]: treesize reduction 8, result has 78.9 percent of original size 30 [2021-02-24 04:39:35,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:35,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:35,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:35,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:39:35,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:39:36,339 WARN L202 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-02-24 04:39:36,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:36,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:39:36,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:39:36,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:39:36,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 04:39:37,066 WARN L202 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-02-24 04:39:37,068 WARN L141 QuantifierPusher]: treesize reduction 27, result has 3.6 percent of original size [2021-02-24 04:39:37,068 WARN L147 QuantifierPusher]: treesize reduction 27, result has 3.6 percent of original size 1 [2021-02-24 04:39:37,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1120589132] [2021-02-24 04:39:37,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:39:37,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-02-24 04:39:37,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809089454] [2021-02-24 04:39:37,070 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-02-24 04:39:37,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:39:37,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-02-24 04:39:37,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=934, Unknown=0, NotChecked=0, Total=1190 [2021-02-24 04:39:37,072 INFO L87 Difference]: Start difference. First operand 2202 states and 2793 transitions. Second operand 34 states. [2021-02-24 04:39:37,547 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 91 [2021-02-24 04:39:37,772 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 93 [2021-02-24 04:39:38,012 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 91 [2021-02-24 04:39:38,276 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 95 [2021-02-24 04:39:38,529 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 95 [2021-02-24 04:39:38,813 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 97 [2021-02-24 04:39:39,170 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 116 [2021-02-24 04:39:39,663 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 122 [2021-02-24 04:39:39,845 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 47 [2021-02-24 04:39:40,057 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2021-02-24 04:39:40,506 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-24 04:39:41,188 WARN L202 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 134 [2021-02-24 04:39:41,817 WARN L202 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 135 [2021-02-24 04:39:42,234 WARN L202 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 64 [2021-02-24 04:39:42,837 WARN L202 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 138 [2021-02-24 04:39:43,555 WARN L202 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 139 [2021-02-24 04:39:44,164 WARN L202 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 71 [2021-02-24 04:39:45,047 WARN L202 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 143 [2021-02-24 04:39:45,919 WARN L202 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 144 [2021-02-24 04:39:46,744 WARN L202 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 145 [2021-02-24 04:39:47,759 WARN L202 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 145 [2021-02-24 04:39:48,627 WARN L202 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 146 [2021-02-24 04:39:48,895 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-02-24 04:39:50,204 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-02-24 04:39:50,406 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-02-24 04:39:50,662 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-02-24 04:39:50,920 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-02-24 04:39:51,208 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2021-02-24 04:39:51,637 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-02-24 04:39:52,042 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2021-02-24 04:39:52,577 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2021-02-24 04:39:53,016 WARN L202 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-02-24 04:39:53,848 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-02-24 04:39:54,537 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2021-02-24 04:39:55,152 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2021-02-24 04:39:56,143 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2021-02-24 04:39:56,725 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2021-02-24 04:40:02,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:40:02,097 INFO L93 Difference]: Finished difference Result 5385 states and 7017 transitions. [2021-02-24 04:40:02,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-02-24 04:40:02,098 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 179 [2021-02-24 04:40:02,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:40:02,119 INFO L225 Difference]: With dead ends: 5385 [2021-02-24 04:40:02,120 INFO L226 Difference]: Without dead ends: 3213 [2021-02-24 04:40:02,131 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 10 SyntacticMatches, 13 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1880 ImplicationChecksByTransitivity, 25.3s TimeCoverageRelationStatistics Valid=1302, Invalid=5018, Unknown=0, NotChecked=0, Total=6320 [2021-02-24 04:40:02,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3213 states. [2021-02-24 04:40:02,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3213 to 2789. [2021-02-24 04:40:02,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2789 states. [2021-02-24 04:40:02,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2789 states to 2789 states and 3592 transitions. [2021-02-24 04:40:02,911 INFO L78 Accepts]: Start accepts. Automaton has 2789 states and 3592 transitions. Word has length 179 [2021-02-24 04:40:02,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:40:02,911 INFO L480 AbstractCegarLoop]: Abstraction has 2789 states and 3592 transitions. [2021-02-24 04:40:02,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2021-02-24 04:40:02,911 INFO L276 IsEmpty]: Start isEmpty. Operand 2789 states and 3592 transitions. [2021-02-24 04:40:02,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-02-24 04:40:02,921 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:40:02,922 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, 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] [2021-02-24 04:40:02,922 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-02-24 04:40:02,922 INFO L428 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:40:02,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:40:02,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1885853854, now seen corresponding path program 1 times [2021-02-24 04:40:02,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:40:02,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [201924590] [2021-02-24 04:40:02,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:40:02,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:02,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:40:02,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:02,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:40:02,984 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:02,987 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:02,990 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size [2021-02-24 04:40:02,991 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:02,993 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:02,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:02,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:02,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:02,998 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size 75 [2021-02-24 04:40:02,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:40:03,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-24 04:40:03,041 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:03,042 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:03,044 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size [2021-02-24 04:40:03,045 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:03,046 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:03,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:03,050 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size 75 [2021-02-24 04:40:03,051 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:40:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:40:03,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:40:03,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:40:03,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,142 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:40:03,149 WARN L141 QuantifierPusher]: treesize reduction 17, result has 39.3 percent of original size [2021-02-24 04:40:03,150 WARN L147 QuantifierPusher]: treesize reduction 17, result has 39.3 percent of original size 11 [2021-02-24 04:40:03,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-24 04:40:03,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:40:03,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:40:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:40:03,248 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,249 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:40:03,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:40:03,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:40:03,265 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 04:40:03,266 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 04:40:03,351 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 04:40:03,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-24 04:40:03,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:03,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-02-24 04:40:03,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-02-24 04:40:03,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-24 04:40:03,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 04:40:03,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:40:03,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:40:03,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,535 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 04:40:03,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-02-24 04:40:03,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-02-24 04:40:03,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-02-24 04:40:03,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-02-24 04:40:03,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-02-24 04:40:03,981 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2021-02-24 04:40:03,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:03,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-02-24 04:40:04,152 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-02-24 04:40:04,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:04,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-02-24 04:40:04,357 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2021-02-24 04:40:04,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:04,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-02-24 04:40:04,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:04,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-02-24 04:40:04,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:04,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-02-24 04:40:04,832 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2021-02-24 04:40:04,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:04,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-02-24 04:40:04,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:04,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2021-02-24 04:40:05,235 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2021-02-24 04:40:05,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:05,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 210 [2021-02-24 04:40:05,630 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2021-02-24 04:40:05,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:05,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2021-02-24 04:40:05,712 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:05,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 219 [2021-02-24 04:40:05,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:05,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-02-24 04:40:05,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:05,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-02-24 04:40:05,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:05,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 218 [2021-02-24 04:40:06,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:06,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-02-24 04:40:06,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:06,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-02-24 04:40:06,514 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2021-02-24 04:40:06,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:06,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 255 [2021-02-24 04:40:06,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:06,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 245 [2021-02-24 04:40:06,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:06,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 264 [2021-02-24 04:40:06,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:06,748 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 244 [2021-02-24 04:40:06,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:06,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 245 [2021-02-24 04:40:07,221 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2021-02-24 04:40:07,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:07,226 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 263 [2021-02-24 04:40:07,701 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-02-24 04:40:07,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:07,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 285 [2021-02-24 04:40:07,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:07,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-02-24 04:40:07,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:07,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-02-24 04:40:07,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:07,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 287 [2021-02-24 04:40:08,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:08,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 286 [2021-02-24 04:40:08,602 WARN L202 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2021-02-24 04:40:08,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:08,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 306 [2021-02-24 04:40:09,165 WARN L202 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2021-02-24 04:40:09,170 WARN L141 QuantifierPusher]: treesize reduction 276, result has 14.0 percent of original size [2021-02-24 04:40:09,172 WARN L147 QuantifierPusher]: treesize reduction 276, result has 14.0 percent of original size 45 [2021-02-24 04:40:09,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:09,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:40:09,174 WARN L141 QuantifierPusher]: treesize reduction 8, result has 75.0 percent of original size [2021-02-24 04:40:09,174 WARN L147 QuantifierPusher]: treesize reduction 8, result has 75.0 percent of original size 24 [2021-02-24 04:40:09,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [201924590] [2021-02-24 04:40:09,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:40:09,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-02-24 04:40:09,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896207673] [2021-02-24 04:40:09,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-02-24 04:40:09,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:40:09,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-02-24 04:40:09,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=573, Unknown=0, NotChecked=0, Total=812 [2021-02-24 04:40:09,178 INFO L87 Difference]: Start difference. First operand 2789 states and 3592 transitions. Second operand 27 states. [2021-02-24 04:40:09,669 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2021-02-24 04:40:09,939 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2021-02-24 04:40:10,195 WARN L202 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2021-02-24 04:40:10,470 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 98 [2021-02-24 04:40:10,765 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 98 [2021-02-24 04:40:11,052 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 100 [2021-02-24 04:40:11,379 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 110 [2021-02-24 04:40:11,724 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-02-24 04:40:12,112 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 116 [2021-02-24 04:40:12,277 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2021-02-24 04:40:12,734 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 122 [2021-02-24 04:40:13,323 WARN L202 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 123 [2021-02-24 04:40:13,599 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 49 [2021-02-24 04:40:14,186 WARN L202 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 124 [2021-02-24 04:40:15,247 WARN L202 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 128 [2021-02-24 04:40:16,158 WARN L202 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 131 [2021-02-24 04:40:16,836 WARN L202 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 132 [2021-02-24 04:40:17,428 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-24 04:40:25,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:40:25,161 INFO L93 Difference]: Finished difference Result 8354 states and 11252 transitions. [2021-02-24 04:40:25,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-24 04:40:25,162 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 180 [2021-02-24 04:40:25,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:40:25,202 INFO L225 Difference]: With dead ends: 8354 [2021-02-24 04:40:25,202 INFO L226 Difference]: Without dead ends: 5595 [2021-02-24 04:40:25,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 14 SyntacticMatches, 18 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1074 ImplicationChecksByTransitivity, 12.8s TimeCoverageRelationStatistics Valid=868, Invalid=2554, Unknown=0, NotChecked=0, Total=3422 [2021-02-24 04:40:25,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5595 states. [2021-02-24 04:40:26,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5595 to 4308. [2021-02-24 04:40:26,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4308 states. [2021-02-24 04:40:26,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4308 states to 4308 states and 5576 transitions. [2021-02-24 04:40:26,541 INFO L78 Accepts]: Start accepts. Automaton has 4308 states and 5576 transitions. Word has length 180 [2021-02-24 04:40:26,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:40:26,541 INFO L480 AbstractCegarLoop]: Abstraction has 4308 states and 5576 transitions. [2021-02-24 04:40:26,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2021-02-24 04:40:26,542 INFO L276 IsEmpty]: Start isEmpty. Operand 4308 states and 5576 transitions. [2021-02-24 04:40:26,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-02-24 04:40:26,557 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:40:26,558 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] [2021-02-24 04:40:26,558 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-02-24 04:40:26,558 INFO L428 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:40:26,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:40:26,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1370496177, now seen corresponding path program 1 times [2021-02-24 04:40:26,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:40:26,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1865509917] [2021-02-24 04:40:26,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:40:26,601 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:26,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:26,643 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:26,645 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:26,647 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:40:26,648 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:26,649 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:26,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:26,652 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:40:26,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:26,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:26,689 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:26,691 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:26,693 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:40:26,694 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:26,695 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:26,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:26,699 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:40:26,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:26,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:26,741 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:26,742 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:26,745 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:40:26,746 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:26,747 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:26,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:26,750 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:40:26,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:26,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:26,795 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:26,797 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:26,799 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:40:26,800 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:26,801 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:26,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:26,804 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:40:26,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:26,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:26,857 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:26,859 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:26,861 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:40:26,862 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:26,863 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:26,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:26,866 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:40:26,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:26,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-24 04:40:26,911 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:26,912 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:26,914 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-24 04:40:26,915 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:26,916 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:26,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:26,920 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-24 04:40:26,921 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:26,921 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:26,922 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:26,923 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:26,927 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:26,928 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:26,929 WARN L141 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size [2021-02-24 04:40:26,931 WARN L147 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size 37 [2021-02-24 04:40:26,932 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-24 04:40:26,936 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-24 04:40:26,939 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-24 04:40:26,942 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-24 04:40:26,978 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:26,979 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:26,981 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 04:40:26,981 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:26,982 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:26,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:26,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:26,989 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 04:40:26,991 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-24 04:40:26,994 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-24 04:40:26,996 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-24 04:40:26,999 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-24 04:40:27,027 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:40:27,030 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:40:27,032 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 04:40:27,033 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:40:27,034 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:27,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:40:27,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:40:27,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:40:27,037 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 04:40:27,038 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,038 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,039 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,039 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,042 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:27,043 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:27,044 WARN L141 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size [2021-02-24 04:40:27,046 WARN L147 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size 37 [2021-02-24 04:40:27,048 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,048 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,050 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,051 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,053 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:27,054 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:27,056 WARN L141 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size [2021-02-24 04:40:27,057 WARN L147 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size 37 [2021-02-24 04:40:27,058 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,058 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,061 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,062 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,064 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:27,065 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:27,066 WARN L141 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size [2021-02-24 04:40:27,068 WARN L147 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size 37 [2021-02-24 04:40:27,069 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,070 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,071 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,071 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,073 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:27,074 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:27,075 WARN L141 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size [2021-02-24 04:40:27,077 WARN L147 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size 37 [2021-02-24 04:40:27,078 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,078 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,080 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,080 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,082 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:27,083 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:27,084 WARN L141 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size [2021-02-24 04:40:27,085 WARN L147 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size 37 [2021-02-24 04:40:27,086 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,086 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,089 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,089 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,091 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:27,092 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:27,093 WARN L141 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size [2021-02-24 04:40:27,095 WARN L147 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size 37 [2021-02-24 04:40:27,096 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,096 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,098 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,099 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,101 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:27,101 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:27,102 WARN L141 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size [2021-02-24 04:40:27,103 WARN L147 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size 37 [2021-02-24 04:40:27,104 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,105 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,106 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,107 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,109 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:27,111 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:27,113 WARN L141 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size [2021-02-24 04:40:27,114 WARN L147 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size 37 [2021-02-24 04:40:27,115 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,115 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,117 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,117 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,120 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:27,121 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:27,123 WARN L141 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size [2021-02-24 04:40:27,125 WARN L147 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size 37 [2021-02-24 04:40:27,126 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,126 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,130 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,131 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,132 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:27,133 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:27,134 WARN L141 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size [2021-02-24 04:40:27,135 WARN L147 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size 37 [2021-02-24 04:40:27,136 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,136 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,140 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,141 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,142 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:27,143 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:27,145 WARN L141 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size [2021-02-24 04:40:27,146 WARN L147 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size 37 [2021-02-24 04:40:27,147 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,147 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,148 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,149 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,151 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:27,153 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:27,155 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-24 04:40:27,155 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-24 04:40:27,156 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,156 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,158 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,158 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,160 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:27,162 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:27,164 WARN L141 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size [2021-02-24 04:40:27,166 WARN L147 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size 37 [2021-02-24 04:40:27,167 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,168 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,169 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,169 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,171 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:27,172 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:27,173 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-24 04:40:27,174 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-24 04:40:27,175 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,175 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,176 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-24 04:40:27,177 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-24 04:40:27,179 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:40:27,179 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:40:27,181 WARN L141 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size [2021-02-24 04:40:27,182 WARN L147 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size 37 [2021-02-24 04:40:27,183 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:40:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 04:40:27,226 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 04:40:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 04:40:27,263 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 04:40:27,351 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-24 04:40:27,351 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-24 04:40:27,352 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-02-24 04:40:27,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 04:40:27 BoogieIcfgContainer [2021-02-24 04:40:27,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 04:40:27,384 INFO L168 Benchmark]: Toolchain (without parser) took 138761.46 ms. Allocated memory was 161.5 MB in the beginning and 704.6 MB in the end (delta: 543.2 MB). Free memory was 135.5 MB in the beginning and 444.6 MB in the end (delta: -309.2 MB). Peak memory consumption was 234.8 MB. Max. memory is 8.0 GB. [2021-02-24 04:40:27,384 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 161.5 MB. Free memory is still 146.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 04:40:27,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 775.08 ms. Allocated memory is still 161.5 MB. Free memory was 134.3 MB in the beginning and 135.4 MB in the end (delta: -1.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 8.0 GB. [2021-02-24 04:40:27,385 INFO L168 Benchmark]: Boogie Preprocessor took 129.96 ms. Allocated memory is still 161.5 MB. Free memory was 135.4 MB in the beginning and 130.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-24 04:40:27,385 INFO L168 Benchmark]: RCFGBuilder took 1582.79 ms. Allocated memory was 161.5 MB in the beginning and 195.0 MB in the end (delta: 33.6 MB). Free memory was 130.4 MB in the beginning and 163.4 MB in the end (delta: -33.0 MB). Peak memory consumption was 75.9 MB. Max. memory is 8.0 GB. [2021-02-24 04:40:27,385 INFO L168 Benchmark]: TraceAbstraction took 136255.57 ms. Allocated memory was 195.0 MB in the beginning and 704.6 MB in the end (delta: 509.6 MB). Free memory was 162.9 MB in the beginning and 444.6 MB in the end (delta: -281.7 MB). Peak memory consumption was 228.4 MB. Max. memory is 8.0 GB. [2021-02-24 04:40:27,386 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 161.5 MB. Free memory is still 146.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 775.08 ms. Allocated memory is still 161.5 MB. Free memory was 134.3 MB in the beginning and 135.4 MB in the end (delta: -1.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 129.96 ms. Allocated memory is still 161.5 MB. Free memory was 135.4 MB in the beginning and 130.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1582.79 ms. Allocated memory was 161.5 MB in the beginning and 195.0 MB in the end (delta: 33.6 MB). Free memory was 130.4 MB in the beginning and 163.4 MB in the end (delta: -33.0 MB). Peak memory consumption was 75.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 136255.57 ms. Allocated memory was 195.0 MB in the beginning and 704.6 MB in the end (delta: 509.6 MB). Free memory was 162.9 MB in the beginning and 444.6 MB in the end (delta: -281.7 MB). Peak memory consumption was 228.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 485]: 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 TRUE (((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8)) [L41] a28 = 9 [L42] a11 = 1 [L43] a25 = 1 [L44] 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 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 TRUE ((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1)) [L186] a28 = 10 [L187] a19 = 0 [L188] return 26; [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 TRUE (((((!(a25==1)&&(a11==1))&&(a28==9))&&!(a19==1))&&(a21==1))&&(a17==8)) [L485] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 539 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 136.1s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 99.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2167 SDtfs, 27746 SDslu, 3817 SDs, 0 SdLazy, 25987 SolverSat, 2508 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 465 GetRequests, 61 SyntacticMatches, 54 SemanticMatches, 350 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7722 ImplicationChecksByTransitivity, 82.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4308occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 6 MinimizatonAttempts, 2119 StatesRemovedByMinimization, 6 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...