./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/array-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf 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-2.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 a4c882ea31ded5d72491d0989b7efed83bec9369 .......................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 10:20:58,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 10:20:58,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 10:20:58,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 10:20:58,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 10:20:58,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 10:20:58,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 10:20:58,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 10:20:58,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 10:20:58,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 10:20:58,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 10:20:58,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 10:20:58,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 10:20:58,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 10:20:58,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 10:20:58,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 10:20:58,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 10:20:58,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 10:20:58,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 10:20:58,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 10:20:58,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 10:20:58,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 10:20:58,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 10:20:58,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 10:20:58,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 10:20:58,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 10:20:58,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 10:20:58,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 10:20:58,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 10:20:58,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 10:20:58,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 10:20:58,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 10:20:58,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 10:20:58,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 10:20:58,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 10:20:58,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 10:20:58,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 10:20:58,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 10:20:58,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 10:20:58,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 10:20:58,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 10:20:58,976 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 10:20:59,005 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 10:20:59,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 10:20:59,006 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 10:20:59,006 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 10:20:59,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 10:20:59,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 10:20:59,008 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 10:20:59,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 10:20:59,009 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 10:20:59,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 10:20:59,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 10:20:59,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 10:20:59,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 10:20:59,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 10:20:59,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 10:20:59,010 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 10:20:59,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 10:20:59,010 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 10:20:59,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 10:20:59,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 10:20:59,011 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 10:20:59,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 10:20:59,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 10:20:59,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 10:20:59,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 10:20:59,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 10:20:59,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 10:20:59,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 10:20:59,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 10:20:59,012 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 10:20:59,012 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4c882ea31ded5d72491d0989b7efed83bec9369 [2021-08-29 10:20:59,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 10:20:59,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 10:20:59,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 10:20:59,296 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 10:20:59,296 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 10:20:59,297 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/array-2.c [2021-08-29 10:20:59,340 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5c57cc64/1610306976304d499bf1acdcf1d0bbb6/FLAG3f7a8f4ff [2021-08-29 10:20:59,705 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 10:20:59,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/array-2.c [2021-08-29 10:20:59,710 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5c57cc64/1610306976304d499bf1acdcf1d0bbb6/FLAG3f7a8f4ff [2021-08-29 10:20:59,724 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5c57cc64/1610306976304d499bf1acdcf1d0bbb6 [2021-08-29 10:20:59,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 10:20:59,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 10:20:59,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 10:20:59,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 10:20:59,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 10:20:59,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 10:20:59" (1/1) ... [2021-08-29 10:20:59,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ea4804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:20:59, skipping insertion in model container [2021-08-29 10:20:59,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 10:20:59" (1/1) ... [2021-08-29 10:20:59,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 10:20:59,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 10:20:59,836 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/array-2.c[319,332] [2021-08-29 10:20:59,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 10:20:59,854 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 10:20:59,862 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/array-2.c[319,332] [2021-08-29 10:20:59,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 10:20:59,898 INFO L208 MainTranslator]: Completed translation [2021-08-29 10:20:59,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:20:59 WrapperNode [2021-08-29 10:20:59,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 10:20:59,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 10:20:59,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 10:20:59,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 10:20:59,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:20:59" (1/1) ... [2021-08-29 10:20:59,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:20:59" (1/1) ... [2021-08-29 10:20:59,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 10:20:59,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 10:20:59,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 10:20:59,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 10:20:59,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:20:59" (1/1) ... [2021-08-29 10:20:59,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:20:59" (1/1) ... [2021-08-29 10:20:59,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:20:59" (1/1) ... [2021-08-29 10:20:59,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:20:59" (1/1) ... [2021-08-29 10:20:59,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:20:59" (1/1) ... [2021-08-29 10:20:59,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:20:59" (1/1) ... [2021-08-29 10:20:59,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:20:59" (1/1) ... [2021-08-29 10:20:59,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 10:20:59,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 10:20:59,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 10:20:59,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 10:20:59,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:20:59" (1/1) ... [2021-08-29 10:20:59,972 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 10:20:59,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 10:20:59,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 10:21:00,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 10:21:00,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 10:21:00,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 10:21:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-29 10:21:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 10:21:00,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 10:21:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-29 10:21:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-29 10:21:00,172 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 10:21:00,172 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-29 10:21:00,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:21:00 BoogieIcfgContainer [2021-08-29 10:21:00,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 10:21:00,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 10:21:00,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 10:21:00,177 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 10:21:00,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 10:20:59" (1/3) ... [2021-08-29 10:21:00,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41558412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 10:21:00, skipping insertion in model container [2021-08-29 10:21:00,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:20:59" (2/3) ... [2021-08-29 10:21:00,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41558412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 10:21:00, skipping insertion in model container [2021-08-29 10:21:00,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:21:00" (3/3) ... [2021-08-29 10:21:00,180 INFO L111 eAbstractionObserver]: Analyzing ICFG array-2.c [2021-08-29 10:21:00,183 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 10:21:00,183 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-29 10:21:00,224 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 10:21:00,231 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 10:21:00,231 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-29 10:21:00,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:21:00,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-08-29 10:21:00,256 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:21:00,256 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-08-29 10:21:00,257 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 10:21:00,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:21:00,265 INFO L82 PathProgramCache]: Analyzing trace with hash 889937703, now seen corresponding path program 1 times [2021-08-29 10:21:00,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:21:00,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613674492] [2021-08-29 10:21:00,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:21:00,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:21:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:21:00,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 10:21:00,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:21:00,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613674492] [2021-08-29 10:21:00,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613674492] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:21:00,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:21:00,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 10:21:00,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604121282] [2021-08-29 10:21:00,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 10:21:00,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:21:00,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 10:21:00,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 10:21:00,464 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:21:00,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:21:00,507 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2021-08-29 10:21:00,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 10:21:00,509 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-08-29 10:21:00,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:21:00,513 INFO L225 Difference]: With dead ends: 21 [2021-08-29 10:21:00,514 INFO L226 Difference]: Without dead ends: 9 [2021-08-29 10:21:00,516 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 10:21:00,518 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.18ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.53ms IncrementalHoareTripleChecker+Time [2021-08-29 10:21:00,531 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 14 Unknown, 0 Unchecked, 0.18ms Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 32.53ms Time] [2021-08-29 10:21:00,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-08-29 10:21:00,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-08-29 10:21:00,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:21:00,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2021-08-29 10:21:00,561 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2021-08-29 10:21:00,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:21:00,562 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-08-29 10:21:00,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:21:00,562 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-08-29 10:21:00,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-08-29 10:21:00,562 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:21:00,562 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-08-29 10:21:00,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 10:21:00,563 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 10:21:00,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:21:00,563 INFO L82 PathProgramCache]: Analyzing trace with hash 889610002, now seen corresponding path program 1 times [2021-08-29 10:21:00,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:21:00,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993300293] [2021-08-29 10:21:00,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:21:00,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:21:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:21:00,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 10:21:00,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:21:00,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993300293] [2021-08-29 10:21:00,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993300293] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:21:00,661 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:21:00,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 10:21:00,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891271414] [2021-08-29 10:21:00,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 10:21:00,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:21:00,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 10:21:00,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 10:21:00,663 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:21:00,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:21:00,686 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2021-08-29 10:21:00,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 10:21:00,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-08-29 10:21:00,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:21:00,687 INFO L225 Difference]: With dead ends: 16 [2021-08-29 10:21:00,687 INFO L226 Difference]: Without dead ends: 12 [2021-08-29 10:21:00,687 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.49ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 10:21:00,688 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 3 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.31ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.90ms IncrementalHoareTripleChecker+Time [2021-08-29 10:21:00,689 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 0 Invalid, 19 Unknown, 0 Unchecked, 0.31ms Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 19.90ms Time] [2021-08-29 10:21:00,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-08-29 10:21:00,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. [2021-08-29 10:21:00,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:21:00,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2021-08-29 10:21:00,691 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 6 [2021-08-29 10:21:00,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:21:00,691 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2021-08-29 10:21:00,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 10:21:00,692 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2021-08-29 10:21:00,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-08-29 10:21:00,692 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:21:00,692 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:21:00,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 10:21:00,692 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 10:21:00,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:21:00,693 INFO L82 PathProgramCache]: Analyzing trace with hash -332619814, now seen corresponding path program 1 times [2021-08-29 10:21:00,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:21:00,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845438501] [2021-08-29 10:21:00,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:21:00,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:21:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 10:21:00,719 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-29 10:21:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 10:21:00,751 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-29 10:21:00,752 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-08-29 10:21:00,752 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-29 10:21:00,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 10:21:00,757 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 10:21:00,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 10:21:00 BoogieIcfgContainer [2021-08-29 10:21:00,771 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 10:21:00,771 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 10:21:00,771 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 10:21:00,771 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 10:21:00,772 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:21:00" (3/4) ... [2021-08-29 10:21:00,773 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-29 10:21:00,800 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 10:21:00,801 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 10:21:00,801 INFO L158 Benchmark]: Toolchain (without parser) took 1072.49ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 40.0MB in the beginning and 51.4MB in the end (delta: -11.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2021-08-29 10:21:00,801 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 10:21:00,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 169.06ms. Allocated memory is still 60.8MB. Free memory was 39.8MB in the beginning and 45.2MB in the end (delta: -5.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-29 10:21:00,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.34ms. Allocated memory is still 60.8MB. Free memory was 45.0MB in the beginning and 43.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 10:21:00,802 INFO L158 Benchmark]: Boogie Preprocessor took 34.29ms. Allocated memory is still 60.8MB. Free memory was 43.4MB in the beginning and 42.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 10:21:00,803 INFO L158 Benchmark]: RCFGBuilder took 208.01ms. Allocated memory is still 60.8MB. Free memory was 42.3MB in the beginning and 33.7MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-29 10:21:00,803 INFO L158 Benchmark]: TraceAbstraction took 595.95ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 33.1MB in the beginning and 53.0MB in the end (delta: -19.9MB). Peak memory consumption was 51.1kB. Max. memory is 16.1GB. [2021-08-29 10:21:00,803 INFO L158 Benchmark]: Witness Printer took 29.63ms. Allocated memory is still 79.7MB. Free memory was 53.0MB in the beginning and 51.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 10:21:00,804 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 169.06ms. Allocated memory is still 60.8MB. Free memory was 39.8MB in the beginning and 45.2MB in the end (delta: -5.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.34ms. Allocated memory is still 60.8MB. Free memory was 45.0MB in the beginning and 43.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.29ms. Allocated memory is still 60.8MB. Free memory was 43.4MB in the beginning and 42.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 208.01ms. Allocated memory is still 60.8MB. Free memory was 42.3MB in the beginning and 33.7MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 595.95ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 33.1MB in the beginning and 53.0MB in the end (delta: -19.9MB). Peak memory consumption was 51.1kB. Max. memory is 16.1GB. * Witness Printer took 29.63ms. Allocated memory is still 79.7MB. Free memory was 53.0MB in the beginning and 51.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 7]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L15] unsigned int SIZE=1; [L16] unsigned int j,k; [L17] int array[SIZE], menor; [L19] menor = __VERIFIER_nondet_int() [L21] j=0 [L21] COND TRUE j