/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/ldv-regression/test04.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 04:22:01,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:22:01,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:22:01,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-24 04:22:01,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:22:01,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:22:01,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:22:01,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:22:01,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:22:01,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:22:01,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:22:01,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:22:01,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:22:01,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:22:01,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:22:01,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:22:01,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-24 04:22:01,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:22:01,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:22:01,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:22:01,313 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 04:22:01,325 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:22:01,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:22:01,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:22:01,327 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:22:01,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:22:01,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:22:01,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:22:01,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:22:01,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:22:01,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:22:01,329 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:22:01,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:22:01,330 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:22:01,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:22:01,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:22:01,330 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:22:01,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:22:01,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:22:01,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:22:01,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:22:01,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:22:01,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:22:01,332 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:22:01,332 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:22:01,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:22:01,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:22:01,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:22:01,781 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:22:01,781 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:22:01,783 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test04.c [2021-02-24 04:22:01,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28696b2bc/862a4d1b070245fd98c73b307b0d09f3/FLAGf203fa4ae [2021-02-24 04:22:02,535 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:22:02,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test04.c [2021-02-24 04:22:02,545 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28696b2bc/862a4d1b070245fd98c73b307b0d09f3/FLAGf203fa4ae [2021-02-24 04:22:02,941 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28696b2bc/862a4d1b070245fd98c73b307b0d09f3 [2021-02-24 04:22:02,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:22:02,962 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:22:02,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:22:02,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:22:02,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:22:02,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:22:02" (1/1) ... [2021-02-24 04:22:02,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38297924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:22:02, skipping insertion in model container [2021-02-24 04:22:02,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:22:02" (1/1) ... [2021-02-24 04:22:02,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:22:03,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:22:03,242 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test04.c[459,472] [2021-02-24 04:22:03,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:22:03,256 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:22:03,272 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test04.c[459,472] [2021-02-24 04:22:03,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:22:03,289 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:22:03,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:22:03 WrapperNode [2021-02-24 04:22:03,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:22:03,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:22:03,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:22:03,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:22:03,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:22:03" (1/1) ... [2021-02-24 04:22:03,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:22:03" (1/1) ... [2021-02-24 04:22:03,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:22:03" (1/1) ... [2021-02-24 04:22:03,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:22:03" (1/1) ... [2021-02-24 04:22:03,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:22:03" (1/1) ... [2021-02-24 04:22:03,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:22:03" (1/1) ... [2021-02-24 04:22:03,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:22:03" (1/1) ... [2021-02-24 04:22:03,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:22:03,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:22:03,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:22:03,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:22:03,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:22:03" (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 04:22:03,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:22:03,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:22:03,431 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:22:03,431 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-02-24 04:22:03,431 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:22:03,431 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:22:03,431 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:22:03,431 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:22:03,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:22:03,432 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-02-24 04:22:03,432 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:22:03,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:22:03,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:22:03,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:22:03,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:22:03,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:22:03,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:22:03,717 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:22:03,717 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-24 04:22:03,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:22:03 BoogieIcfgContainer [2021-02-24 04:22:03,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:22:03,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:22:03,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:22:03,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:22:03,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:22:02" (1/3) ... [2021-02-24 04:22:03,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21dd5024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:22:03, skipping insertion in model container [2021-02-24 04:22:03,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:22:03" (2/3) ... [2021-02-24 04:22:03,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21dd5024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:22:03, skipping insertion in model container [2021-02-24 04:22:03,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:22:03" (3/3) ... [2021-02-24 04:22:03,730 INFO L111 eAbstractionObserver]: Analyzing ICFG test04.c [2021-02-24 04:22:03,738 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:22:03,744 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 04:22:03,801 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 04:22:03,858 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:22:03,861 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:22:03,861 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:22:03,862 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:22:03,862 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:22:03,862 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:22:03,862 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:22:03,862 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:22:03,904 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2021-02-24 04:22:03,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-02-24 04:22:03,916 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:22:03,916 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] [2021-02-24 04:22:03,917 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:22:03,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:22:03,931 INFO L82 PathProgramCache]: Analyzing trace with hash -181545461, now seen corresponding path program 1 times [2021-02-24 04:22:03,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:22:03,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [220047565] [2021-02-24 04:22:03,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:22:04,058 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:22:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:22:04,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:04,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:22:04,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:04,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:22:04,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:04,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:22:04,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:04,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-24 04:22:04,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:04,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-24 04:22:04,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:04,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 04:22:04,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:04,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:22:04,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:04,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:22:04,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:04,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:22:04,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:22:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:22:04,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:04,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:22:04,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-02-24 04:22:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:22:04,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:04,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:22:04,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:04,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:22:04,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:04,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-24 04:22:04,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:22:04,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [220047565] [2021-02-24 04:22:04,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:22:04,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-24 04:22:04,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177772400] [2021-02-24 04:22:04,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-24 04:22:04,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:22:04,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-24 04:22:04,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2021-02-24 04:22:04,896 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 13 states. [2021-02-24 04:22:05,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:22:05,455 INFO L93 Difference]: Finished difference Result 50 states and 49 transitions. [2021-02-24 04:22:05,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-24 04:22:05,458 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 29 [2021-02-24 04:22:05,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:22:05,465 INFO L225 Difference]: With dead ends: 50 [2021-02-24 04:22:05,465 INFO L226 Difference]: Without dead ends: 0 [2021-02-24 04:22:05,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=115, Invalid=437, Unknown=0, NotChecked=0, Total=552 [2021-02-24 04:22:05,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-24 04:22:05,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-24 04:22:05,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-24 04:22:05,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-24 04:22:05,499 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2021-02-24 04:22:05,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:22:05,499 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-24 04:22:05,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-24 04:22:05,499 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-24 04:22:05,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-24 04:22:05,500 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:22:05,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-24 04:22:05,843 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-24 04:22:05,843 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-24 04:22:05,843 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-24 04:22:05,844 INFO L192 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: true [2021-02-24 04:22:05,844 INFO L192 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: true [2021-02-24 04:22:05,844 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-24 04:22:05,844 INFO L192 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: true [2021-02-24 04:22:05,845 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-24 04:22:05,845 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 3) the Hoare annotation is: true [2021-02-24 04:22:05,845 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2021-02-24 04:22:05,845 INFO L192 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: true [2021-02-24 04:22:05,846 INFO L192 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: true [2021-02-24 04:22:05,846 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-24 04:22:05,846 INFO L185 CegarLoopUtils]: At program point fEXIT(lines 6 8) the Hoare annotation is: (and (= |f_#in~p2.base| f_~p2.base) (or (= |f_#in~p1.base| |f_#in~p2.base|) (<= |f_#res| 0)) (<= 0 |f_#res|) (= |f_#in~p1.base| f_~p1.base)) [2021-02-24 04:22:05,846 INFO L185 CegarLoopUtils]: At program point L7(line 7) the Hoare annotation is: (and (= |f_#in~p2.base| f_~p2.base) (= |f_#in~p1.base| f_~p1.base)) [2021-02-24 04:22:05,847 INFO L185 CegarLoopUtils]: At program point L6(lines 6 8) the Hoare annotation is: (= |f_#in~p1.base| f_~p1.base) [2021-02-24 04:22:05,847 INFO L192 CegarLoopUtils]: At program point fENTRY(lines 6 8) the Hoare annotation is: true [2021-02-24 04:22:05,847 INFO L185 CegarLoopUtils]: At program point fFINAL(lines 6 8) the Hoare annotation is: (and (= |f_#in~p2.base| f_~p2.base) (or (= |f_#in~p1.base| |f_#in~p2.base|) (<= |f_#res| 0)) (<= 0 |f_#res|) (= |f_#in~p1.base| f_~p1.base)) [2021-02-24 04:22:05,847 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-24 04:22:05,848 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-24 04:22:05,848 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-24 04:22:05,848 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-24 04:22:05,848 INFO L185 CegarLoopUtils]: At program point L25(line 25) the Hoare annotation is: false [2021-02-24 04:22:05,848 INFO L185 CegarLoopUtils]: At program point mainEXIT(lines 10 26) the Hoare annotation is: (= (select (select |#memory_int| main_~p1~0.base) main_~p1~0.offset) 0) [2021-02-24 04:22:05,849 INFO L185 CegarLoopUtils]: At program point L19(lines 10 26) the Hoare annotation is: false [2021-02-24 04:22:05,849 INFO L185 CegarLoopUtils]: At program point mainFINAL(lines 10 26) the Hoare annotation is: (= (select (select |#memory_int| main_~p1~0.base) main_~p1~0.offset) 0) [2021-02-24 04:22:05,849 INFO L185 CegarLoopUtils]: At program point L11(line 11) the Hoare annotation is: (= (select |#valid| |main_~#a~0.base|) 1) [2021-02-24 04:22:05,862 INFO L185 CegarLoopUtils]: At program point L11-1(line 11) the Hoare annotation is: (and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1)) [2021-02-24 04:22:05,863 INFO L185 CegarLoopUtils]: At program point L11-2(line 11) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (= main_~p1~0.offset |main_~#a~0.offset|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select (select |#memory_int| main_~p1~0.base) main_~p1~0.offset) 0) (= (select |#valid| |main_~#a~0.base|) 1) (= main_~p1~0.base |main_~#a~0.base|)) [2021-02-24 04:22:05,863 INFO L185 CegarLoopUtils]: At program point L11-3(line 11) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (= main_~p1~0.offset |main_~#a~0.offset|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select (select |#memory_int| main_~p1~0.base) main_~p1~0.offset) 0) (= main_~p1~0.base |main_~#a~0.base|)) [2021-02-24 04:22:05,863 INFO L185 CegarLoopUtils]: At program point L11-4(line 11) the Hoare annotation is: (= (select (select |#memory_int| main_~p1~0.base) main_~p1~0.offset) 0) [2021-02-24 04:22:05,863 INFO L185 CegarLoopUtils]: At program point L11-5(line 11) the Hoare annotation is: (= (select (select |#memory_int| main_~p1~0.base) main_~p1~0.offset) 0) [2021-02-24 04:22:05,863 INFO L185 CegarLoopUtils]: At program point L11-6(line 11) the Hoare annotation is: false [2021-02-24 04:22:05,864 INFO L185 CegarLoopUtils]: At program point L11-7(line 11) the Hoare annotation is: false [2021-02-24 04:22:05,864 INFO L185 CegarLoopUtils]: At program point L11-8(line 11) the Hoare annotation is: false [2021-02-24 04:22:05,864 INFO L185 CegarLoopUtils]: At program point L11-9(line 11) the Hoare annotation is: false [2021-02-24 04:22:05,864 INFO L185 CegarLoopUtils]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 24) the Hoare annotation is: false [2021-02-24 04:22:05,864 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 10 26) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-24 04:22:05,865 INFO L185 CegarLoopUtils]: At program point L24(line 24) the Hoare annotation is: false [2021-02-24 04:22:05,865 INFO L185 CegarLoopUtils]: At program point L22(line 22) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (= main_~p1~0.offset |main_~#a~0.offset|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select (select |#memory_int| main_~p1~0.base) main_~p1~0.offset) 0) (= (select |#valid| |main_~#a~0.base|) 1) (= main_~p1~0.base |main_~#a~0.base|)) [2021-02-24 04:22:05,865 INFO L185 CegarLoopUtils]: At program point L18(line 18) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (= main_~p1~0.offset |main_~#a~0.offset|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select (select |#memory_int| main_~p1~0.base) main_~p1~0.offset) 0) (= (select |#valid| |main_~#a~0.base|) 1) (= main_~p1~0.base |main_~#a~0.base|)) [2021-02-24 04:22:05,866 INFO L185 CegarLoopUtils]: At program point L18-1(lines 18 20) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (= main_~p1~0.offset |main_~#a~0.offset|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select (select |#memory_int| main_~p1~0.base) main_~p1~0.offset) 0) (= |main_#t~mem8| 0) (= (select |#valid| |main_~#a~0.base|) 1) (= main_~p1~0.base |main_~#a~0.base|)) [2021-02-24 04:22:05,866 INFO L185 CegarLoopUtils]: At program point L16(line 16) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (= main_~p1~0.offset |main_~#a~0.offset|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= main_~p1~0.base |main_~#a~0.base|)) [2021-02-24 04:22:05,866 INFO L185 CegarLoopUtils]: At program point L18-2(line 18) the Hoare annotation is: false [2021-02-24 04:22:05,866 INFO L185 CegarLoopUtils]: At program point L16-1(line 16) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (= main_~p1~0.offset |main_~#a~0.offset|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= |main_#t~ret7| 0) (= main_~p1~0.base |main_~#a~0.base|)) [2021-02-24 04:22:05,866 INFO L185 CegarLoopUtils]: At program point L18-3(line 18) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (= main_~p1~0.offset |main_~#a~0.offset|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select (select |#memory_int| main_~p1~0.base) main_~p1~0.offset) 0) (= |main_#t~mem8| 0) (= (select |#valid| |main_~#a~0.base|) 1) (= main_~p1~0.base |main_~#a~0.base|)) [2021-02-24 04:22:05,867 INFO L185 CegarLoopUtils]: At program point L14(line 14) the Hoare annotation is: (and (= main_~p1~0.offset |main_~#a~0.offset|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= main_~p1~0.base |main_~#a~0.base|)) [2021-02-24 04:22:05,867 INFO L185 CegarLoopUtils]: At program point L16-2(line 16) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (= main_~p1~0.offset |main_~#a~0.offset|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= |main_#t~ret7| 0) (= main_~p1~0.base |main_~#a~0.base|)) [2021-02-24 04:22:05,867 INFO L185 CegarLoopUtils]: At program point L16-3(line 16) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (= main_~p1~0.offset |main_~#a~0.offset|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select (select |#memory_int| main_~p1~0.base) main_~p1~0.offset) 0) (= (select |#valid| |main_~#a~0.base|) 1) (= |main_#t~ret7| 0) (= main_~p1~0.base |main_~#a~0.base|)) [2021-02-24 04:22:05,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 04:22:05 BoogieIcfgContainer [2021-02-24 04:22:05,889 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 04:22:05,891 INFO L168 Benchmark]: Toolchain (without parser) took 2941.59 ms. Allocated memory was 156.2 MB in the beginning and 205.5 MB in the end (delta: 49.3 MB). Free memory was 132.6 MB in the beginning and 186.3 MB in the end (delta: -53.7 MB). Peak memory consumption was 112.9 MB. Max. memory is 8.0 GB. [2021-02-24 04:22:05,891 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 156.2 MB. Free memory is still 129.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 04:22:05,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.50 ms. Allocated memory is still 156.2 MB. Free memory was 131.7 MB in the beginning and 122.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-24 04:22:05,893 INFO L168 Benchmark]: Boogie Preprocessor took 33.35 ms. Allocated memory is still 156.2 MB. Free memory was 122.5 MB in the beginning and 121.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-24 04:22:05,894 INFO L168 Benchmark]: RCFGBuilder took 393.96 ms. Allocated memory is still 156.2 MB. Free memory was 121.1 MB in the beginning and 136.6 MB in the end (delta: -15.5 MB). Peak memory consumption was 17.7 MB. Max. memory is 8.0 GB. [2021-02-24 04:22:05,895 INFO L168 Benchmark]: TraceAbstraction took 2167.35 ms. Allocated memory was 156.2 MB in the beginning and 205.5 MB in the end (delta: 49.3 MB). Free memory was 136.0 MB in the beginning and 186.3 MB in the end (delta: -50.3 MB). Peak memory consumption was 115.0 MB. Max. memory is 8.0 GB. [2021-02-24 04:22:05,899 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 156.2 MB. Free memory is still 129.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 323.50 ms. Allocated memory is still 156.2 MB. Free memory was 131.7 MB in the beginning and 122.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 33.35 ms. Allocated memory is still 156.2 MB. Free memory was 122.5 MB in the beginning and 121.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 393.96 ms. Allocated memory is still 156.2 MB. Free memory was 121.1 MB in the beginning and 136.6 MB in the end (delta: -15.5 MB). Peak memory consumption was 17.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2167.35 ms. Allocated memory was 156.2 MB in the beginning and 205.5 MB in the end (delta: 49.3 MB). Free memory was 136.0 MB in the beginning and 186.3 MB in the end (delta: -50.3 MB). Peak memory consumption was 115.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 24]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 6]: Procedure Contract for f Derived contract for procedure f: ((p2 == p2 && (p1 == p2 || \result <= 0)) && 0 <= \result) && p1 == p1 - ProcedureContractResult [Line: 10]: Procedure Contract for main Derived contract for procedure main: unknown-#memory_int-unknown[p1][p1] == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 25 SDtfs, 52 SDslu, 146 SDs, 0 SdLazy, 128 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 46 PreInvPairs, 50 NumberOfFragments, 423 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 46 FomulaSimplificationsInter, 175 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, 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 correct! Received shutdown request...