./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/array-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loops/array-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a2b6fb2a091639658ccc80ce20cfd1c26b8b4813 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 22:15:06,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 22:15:06,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 22:15:06,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 22:15:06,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 22:15:06,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 22:15:06,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 22:15:06,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 22:15:06,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 22:15:06,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 22:15:06,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 22:15:06,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 22:15:06,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 22:15:06,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 22:15:06,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 22:15:06,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 22:15:06,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 22:15:06,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 22:15:06,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 22:15:06,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 22:15:06,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 22:15:06,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 22:15:06,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 22:15:06,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 22:15:06,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 22:15:06,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 22:15:06,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 22:15:06,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 22:15:06,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 22:15:06,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 22:15:06,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 22:15:06,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 22:15:06,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 22:15:06,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 22:15:06,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 22:15:06,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 22:15:06,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 22:15:06,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 22:15:06,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 22:15:06,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 22:15:06,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 22:15:06,335 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 22:15:06,388 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 22:15:06,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 22:15:06,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 22:15:06,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 22:15:06,393 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 22:15:06,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 22:15:06,393 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 22:15:06,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 22:15:06,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 22:15:06,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 22:15:06,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 22:15:06,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 22:15:06,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 22:15:06,396 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 22:15:06,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 22:15:06,397 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 22:15:06,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 22:15:06,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 22:15:06,398 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 22:15:06,398 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 22:15:06,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 22:15:06,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 22:15:06,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 22:15:06,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 22:15:06,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 22:15:06,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 22:15:06,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 22:15:06,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 22:15:06,401 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 22:15:06,401 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2b6fb2a091639658ccc80ce20cfd1c26b8b4813 [2020-10-25 22:15:06,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 22:15:06,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 22:15:06,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 22:15:06,903 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 22:15:06,904 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 22:15:06,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/array-1.c [2020-10-25 22:15:06,990 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c71f3ce0b/b197164daca042f888e3caceb91a97e3/FLAG89dc08510 [2020-10-25 22:15:07,575 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 22:15:07,576 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/array-1.c [2020-10-25 22:15:07,583 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c71f3ce0b/b197164daca042f888e3caceb91a97e3/FLAG89dc08510 [2020-10-25 22:15:07,930 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c71f3ce0b/b197164daca042f888e3caceb91a97e3 [2020-10-25 22:15:07,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 22:15:07,943 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 22:15:07,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 22:15:07,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 22:15:07,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 22:15:07,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:15:07" (1/1) ... [2020-10-25 22:15:07,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52833f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:15:07, skipping insertion in model container [2020-10-25 22:15:07,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:15:07" (1/1) ... [2020-10-25 22:15:07,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 22:15:07,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 22:15:08,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:15:08,193 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 22:15:08,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:15:08,230 INFO L208 MainTranslator]: Completed translation [2020-10-25 22:15:08,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:15:08 WrapperNode [2020-10-25 22:15:08,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 22:15:08,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 22:15:08,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 22:15:08,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 22:15:08,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:15:08" (1/1) ... [2020-10-25 22:15:08,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:15:08" (1/1) ... [2020-10-25 22:15:08,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 22:15:08,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 22:15:08,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 22:15:08,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 22:15:08,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:15:08" (1/1) ... [2020-10-25 22:15:08,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:15:08" (1/1) ... [2020-10-25 22:15:08,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:15:08" (1/1) ... [2020-10-25 22:15:08,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:15:08" (1/1) ... [2020-10-25 22:15:08,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:15:08" (1/1) ... [2020-10-25 22:15:08,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:15:08" (1/1) ... [2020-10-25 22:15:08,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:15:08" (1/1) ... [2020-10-25 22:15:08,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 22:15:08,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 22:15:08,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 22:15:08,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 22:15:08,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:15:08" (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 [2020-10-25 22:15:08,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 22:15:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 22:15:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-25 22:15:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 22:15:08,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 22:15:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-25 22:15:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 22:15:08,783 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 22:15:08,784 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 22:15:08,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:15:08 BoogieIcfgContainer [2020-10-25 22:15:08,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 22:15:08,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 22:15:08,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 22:15:08,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 22:15:08,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 10:15:07" (1/3) ... [2020-10-25 22:15:08,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f32eff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:15:08, skipping insertion in model container [2020-10-25 22:15:08,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:15:08" (2/3) ... [2020-10-25 22:15:08,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f32eff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:15:08, skipping insertion in model container [2020-10-25 22:15:08,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:15:08" (3/3) ... [2020-10-25 22:15:08,799 INFO L111 eAbstractionObserver]: Analyzing ICFG array-1.c [2020-10-25 22:15:08,813 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 22:15:08,819 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 22:15:08,835 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 22:15:08,886 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 22:15:08,887 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 22:15:08,887 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 22:15:08,887 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 22:15:08,887 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 22:15:08,888 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 22:15:08,888 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 22:15:08,888 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 22:15:08,911 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2020-10-25 22:15:08,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-25 22:15:08,918 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:15:08,920 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-25 22:15:08,920 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:15:08,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:15:08,931 INFO L82 PathProgramCache]: Analyzing trace with hash 889937703, now seen corresponding path program 1 times [2020-10-25 22:15:08,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:15:08,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026044618] [2020-10-25 22:15:08,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:15:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:15:09,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:15:09,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026044618] [2020-10-25 22:15:09,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:15:09,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 22:15:09,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629660322] [2020-10-25 22:15:09,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 22:15:09,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:15:09,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 22:15:09,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 22:15:09,222 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2020-10-25 22:15:09,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:15:09,250 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2020-10-25 22:15:09,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 22:15:09,252 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-10-25 22:15:09,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:15:09,262 INFO L225 Difference]: With dead ends: 22 [2020-10-25 22:15:09,262 INFO L226 Difference]: Without dead ends: 9 [2020-10-25 22:15:09,269 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 22:15:09,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2020-10-25 22:15:09,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2020-10-25 22:15:09,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-25 22:15:09,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2020-10-25 22:15:09,320 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2020-10-25 22:15:09,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:15:09,321 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2020-10-25 22:15:09,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 22:15:09,322 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2020-10-25 22:15:09,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-25 22:15:09,322 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:15:09,323 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-25 22:15:09,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 22:15:09,323 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:15:09,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:15:09,327 INFO L82 PathProgramCache]: Analyzing trace with hash 889610002, now seen corresponding path program 1 times [2020-10-25 22:15:09,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:15:09,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224055904] [2020-10-25 22:15:09,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:15:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:15:09,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:15:09,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224055904] [2020-10-25 22:15:09,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:15:09,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 22:15:09,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331786137] [2020-10-25 22:15:09,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 22:15:09,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:15:09,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 22:15:09,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 22:15:09,502 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 3 states. [2020-10-25 22:15:09,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:15:09,542 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2020-10-25 22:15:09,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 22:15:09,544 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-25 22:15:09,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:15:09,545 INFO L225 Difference]: With dead ends: 16 [2020-10-25 22:15:09,545 INFO L226 Difference]: Without dead ends: 12 [2020-10-25 22:15:09,547 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 22:15:09,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-10-25 22:15:09,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. [2020-10-25 22:15:09,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-25 22:15:09,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2020-10-25 22:15:09,553 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 6 [2020-10-25 22:15:09,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:15:09,553 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2020-10-25 22:15:09,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 22:15:09,554 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2020-10-25 22:15:09,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-25 22:15:09,555 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:15:09,556 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:15:09,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 22:15:09,557 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:15:09,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:15:09,559 INFO L82 PathProgramCache]: Analyzing trace with hash -332619814, now seen corresponding path program 1 times [2020-10-25 22:15:09,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:15:09,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686585932] [2020-10-25 22:15:09,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:15:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:15:09,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:15:09,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686585932] [2020-10-25 22:15:09,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559433973] [2020-10-25 22:15:09,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 22:15:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:15:10,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-25 22:15:10,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 22:15:10,148 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2020-10-25 22:15:10,148 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-25 22:15:10,171 INFO L625 ElimStorePlain]: treesize reduction 36, result has 34.5 percent of original size [2020-10-25 22:15:10,172 INFO L513 ElimStorePlain]: Eliminatee |v_#memory_int_6| vanished before elimination [2020-10-25 22:15:10,173 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-25 22:15:10,174 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:59, output treesize:5 [2020-10-25 22:15:10,209 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-25 22:15:10,483 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-25 22:15:10,496 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-25 22:15:10,502 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-25 22:15:10,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:15:10,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-25 22:15:10,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2020-10-25 22:15:10,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685102254] [2020-10-25 22:15:10,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-25 22:15:10,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:15:10,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-25 22:15:10,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-25 22:15:10,539 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 10 states. [2020-10-25 22:15:10,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:15:10,801 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2020-10-25 22:15:10,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-25 22:15:10,801 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 9 [2020-10-25 22:15:10,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:15:10,802 INFO L225 Difference]: With dead ends: 22 [2020-10-25 22:15:10,802 INFO L226 Difference]: Without dead ends: 16 [2020-10-25 22:15:10,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2020-10-25 22:15:10,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-10-25 22:15:10,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 11. [2020-10-25 22:15:10,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-25 22:15:10,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2020-10-25 22:15:10,808 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 9 [2020-10-25 22:15:10,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:15:10,808 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2020-10-25 22:15:10,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-25 22:15:10,809 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2020-10-25 22:15:10,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-25 22:15:10,809 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:15:10,809 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:15:11,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-25 22:15:11,020 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:15:11,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:15:11,021 INFO L82 PathProgramCache]: Analyzing trace with hash -275361512, now seen corresponding path program 1 times [2020-10-25 22:15:11,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:15:11,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237026859] [2020-10-25 22:15:11,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:15:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:15:11,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:15:11,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237026859] [2020-10-25 22:15:11,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810351762] [2020-10-25 22:15:11,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 22:15:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:15:11,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-25 22:15:11,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 22:15:11,339 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-25 22:15:11,350 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-25 22:15:11,426 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-25 22:15:11,568 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-10-25 22:15:11,568 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-25 22:15:11,647 INFO L625 ElimStorePlain]: treesize reduction 206, result has 25.6 percent of original size [2020-10-25 22:15:11,654 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2020-10-25 22:15:11,654 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-25 22:15:11,684 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-25 22:15:11,685 INFO L513 ElimStorePlain]: Eliminatee v_prenex_13 vanished before elimination [2020-10-25 22:15:11,685 INFO L513 ElimStorePlain]: Eliminatee |v_#memory_int_7| vanished before elimination [2020-10-25 22:15:11,698 INFO L545 ElimStorePlain]: Start of recursive call 1: 16 dim-0 vars, 4 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-25 22:15:11,698 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 20 variables, input treesize:369, output treesize:54 [2020-10-25 22:15:11,873 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-25 22:15:11,883 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-25 22:15:11,885 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-25 22:15:11,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:15:11,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-25 22:15:11,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2020-10-25 22:15:11,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993092514] [2020-10-25 22:15:11,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-25 22:15:11,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:15:11,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-25 22:15:11,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-25 22:15:11,917 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 10 states. [2020-10-25 22:15:12,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:15:12,259 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2020-10-25 22:15:12,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-25 22:15:12,259 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 9 [2020-10-25 22:15:12,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:15:12,260 INFO L225 Difference]: With dead ends: 20 [2020-10-25 22:15:12,260 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 22:15:12,261 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2020-10-25 22:15:12,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 22:15:12,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 22:15:12,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 22:15:12,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 22:15:12,262 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2020-10-25 22:15:12,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:15:12,262 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 22:15:12,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-25 22:15:12,262 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 22:15:12,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 22:15:12,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 22:15:12,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 22:15:12,597 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 22:15:12,598 INFO L274 CegarLoopResult]: For program point L21-2(lines 21 26) no Hoare annotation was computed. [2020-10-25 22:15:12,598 INFO L270 CegarLoopResult]: At program point L21-3(lines 21 26) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~SIZE~0 1))) (or (and .cse0 (exists ((v_prenex_4 Int) (v_prenex_3 Int)) (let ((.cse1 (+ (* 4294967296 v_prenex_4) v_prenex_3))) (and (< v_prenex_3 4294967296) (<= 0 v_prenex_3) (< .cse1 1) (< .cse1 4294967296) (<= 0 .cse1) (<= v_prenex_3 2147483647) (<= ULTIMATE.start_main_~menor~0 (select (select |#memory_int| |ULTIMATE.start_main_~#array~0.base|) (+ (* (mod v_prenex_3 4294967296) 4) |ULTIMATE.start_main_~#array~0.offset|))))))) (and (= |ULTIMATE.start_main_~#array~0.offset| 0) (= ULTIMATE.start_main_~j~0 0) .cse0))) [2020-10-25 22:15:12,598 INFO L274 CegarLoopResult]: For program point L21-4(lines 21 26) no Hoare annotation was computed. [2020-10-25 22:15:12,598 INFO L274 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-10-25 22:15:12,598 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 22:15:12,599 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 22:15:12,599 INFO L277 CegarLoopResult]: At program point L30(lines 13 31) the Hoare annotation is: true [2020-10-25 22:15:12,599 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 22:15:12,599 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 22:15:12,599 INFO L274 CegarLoopResult]: For program point L24(lines 24 25) no Hoare annotation was computed. [2020-10-25 22:15:12,599 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 22:15:12,599 INFO L274 CegarLoopResult]: For program point L6(lines 6 8) no Hoare annotation was computed. [2020-10-25 22:15:12,600 INFO L277 CegarLoopResult]: At program point L6-2(lines 5 10) the Hoare annotation is: true [2020-10-25 22:15:12,611 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,612 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,612 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2020-10-25 22:15:12,613 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,613 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2020-10-25 22:15:12,613 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,613 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2020-10-25 22:15:12,614 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,615 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,620 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:15:12,631 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,632 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,632 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2020-10-25 22:15:12,632 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,633 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2020-10-25 22:15:12,633 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,633 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2020-10-25 22:15:12,633 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,634 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,634 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:15:12,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 10:15:12 BoogieIcfgContainer [2020-10-25 22:15:12,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 22:15:12,639 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 22:15:12,640 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 22:15:12,640 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 22:15:12,649 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:15:08" (3/4) ... [2020-10-25 22:15:12,654 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 22:15:12,666 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-10-25 22:15:12,666 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 22:15:12,666 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 22:15:12,667 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 22:15:12,699 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (SIZE == 1 && (\exists v_prenex_4 : int, v_prenex_3 : int :: (((((v_prenex_3 < 4294967296 && 0 <= v_prenex_3) && 4294967296 * v_prenex_4 + v_prenex_3 < 1) && 4294967296 * v_prenex_4 + v_prenex_3 < 4294967296) && 0 <= 4294967296 * v_prenex_4 + v_prenex_3) && v_prenex_3 <= 2147483647) && menor <= unknown-#memory_int-unknown[array][v_prenex_3 % 4294967296 * 4 + array])) || ((array == 0 && j == 0) && SIZE == 1) [2020-10-25 22:15:12,726 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 22:15:12,726 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 22:15:12,728 INFO L168 Benchmark]: Toolchain (without parser) took 4789.14 ms. Allocated memory was 48.2 MB in the beginning and 81.8 MB in the end (delta: 33.6 MB). Free memory was 24.8 MB in the beginning and 48.8 MB in the end (delta: -24.0 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2020-10-25 22:15:12,728 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 48.2 MB. Free memory was 30.1 MB in the beginning and 30.0 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:15:12,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.57 ms. Allocated memory is still 48.2 MB. Free memory was 24.1 MB in the beginning and 26.1 MB in the end (delta: -2.1 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. [2020-10-25 22:15:12,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.17 ms. Allocated memory is still 48.2 MB. Free memory was 26.1 MB in the beginning and 24.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:15:12,731 INFO L168 Benchmark]: Boogie Preprocessor took 26.00 ms. Allocated memory is still 48.2 MB. Free memory was 24.6 MB in the beginning and 23.5 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:15:12,731 INFO L168 Benchmark]: RCFGBuilder took 487.93 ms. Allocated memory was 48.2 MB in the beginning and 67.1 MB in the end (delta: 18.9 MB). Free memory was 23.5 MB in the beginning and 41.5 MB in the end (delta: -18.0 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2020-10-25 22:15:12,732 INFO L168 Benchmark]: TraceAbstraction took 3849.20 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 40.9 MB in the beginning and 50.9 MB in the end (delta: -10.0 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2020-10-25 22:15:12,733 INFO L168 Benchmark]: Witness Printer took 86.93 ms. Allocated memory is still 81.8 MB. Free memory was 50.9 MB in the beginning and 48.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:15:12,737 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 48.2 MB. Free memory was 30.1 MB in the beginning and 30.0 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 284.57 ms. Allocated memory is still 48.2 MB. Free memory was 24.1 MB in the beginning and 26.1 MB in the end (delta: -2.1 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.17 ms. Allocated memory is still 48.2 MB. Free memory was 26.1 MB in the beginning and 24.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.00 ms. Allocated memory is still 48.2 MB. Free memory was 24.6 MB in the beginning and 23.5 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 487.93 ms. Allocated memory was 48.2 MB in the beginning and 67.1 MB in the end (delta: 18.9 MB). Free memory was 23.5 MB in the beginning and 41.5 MB in the end (delta: -18.0 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3849.20 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 40.9 MB in the beginning and 50.9 MB in the end (delta: -10.0 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Witness Printer took 86.93 ms. Allocated memory is still 81.8 MB. Free memory was 50.9 MB in the beginning and 48.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant [2020-10-25 22:15:12,750 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,751 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,751 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2020-10-25 22:15:12,751 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,751 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2020-10-25 22:15:12,752 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,752 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2020-10-25 22:15:12,752 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,752 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,753 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:15:12,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2020-10-25 22:15:12,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,755 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2020-10-25 22:15:12,755 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,755 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2020-10-25 22:15:12,755 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2020-10-25 22:15:12,756 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (SIZE == 1 && (\exists v_prenex_4 : int, v_prenex_3 : int :: (((((v_prenex_3 < 4294967296 && 0 <= v_prenex_3) && 4294967296 * v_prenex_4 + v_prenex_3 < 1) && 4294967296 * v_prenex_4 + v_prenex_3 < 4294967296) && 0 <= 4294967296 * v_prenex_4 + v_prenex_3) && v_prenex_3 <= 2147483647) && menor <= unknown-#memory_int-unknown[array][v_prenex_3 % 4294967296 * 4 + array])) || ((array == 0 && j == 0) && SIZE == 1) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 28 SDtfs, 34 SDslu, 30 SDs, 0 SdLazy, 111 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 4 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 8 NumberOfFragments, 62 HoareAnnotationTreeSize, 3 FomulaSimplifications, 97 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 97 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 42 ConstructedInterpolants, 7 QuantifiedInterpolants, 4169 SizeOfPredicates, 18 NumberOfNonLiveVariables, 134 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 0/4 InterpolantCoveringCapability, 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...