./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/jain_4-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410264d-82cd-4ab5-a304-106f4a3389a8/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410264d-82cd-4ab5-a304-106f4a3389a8/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410264d-82cd-4ab5-a304-106f4a3389a8/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410264d-82cd-4ab5-a304-106f4a3389a8/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/jain_4-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410264d-82cd-4ab5-a304-106f4a3389a8/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410264d-82cd-4ab5-a304-106f4a3389a8/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1695ea92d515c26fe077ccbd0f7cd81d79c88a31fa8dcb28f6a694a5fb660f60 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:37:40,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:37:40,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:37:40,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:37:40,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:37:40,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:37:40,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:37:40,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:37:40,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:37:40,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:37:40,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:37:40,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:37:40,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:37:40,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:37:40,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:37:40,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:37:40,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:37:40,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:37:40,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:37:40,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:37:40,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:37:40,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:37:40,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:37:40,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:37:40,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:37:40,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:37:40,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:37:40,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:37:40,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:37:40,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:37:40,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:37:40,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:37:40,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:37:40,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:37:40,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:37:40,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:37:40,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:37:40,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:37:40,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:37:40,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:37:40,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:37:40,921 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410264d-82cd-4ab5-a304-106f4a3389a8/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-23 00:37:40,967 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:37:40,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:37:40,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:37:40,969 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:37:40,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:37:40,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:37:40,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:37:40,970 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:37:40,970 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:37:40,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:37:40,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:37:40,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:37:40,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:37:40,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:37:40,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:37:40,979 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 00:37:40,979 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:37:40,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:37:40,979 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:37:40,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:37:40,980 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:37:40,980 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:37:40,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:37:40,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:37:40,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:37:40,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:37:40,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:37:40,981 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:37:40,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:37:40,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:37:40,983 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410264d-82cd-4ab5-a304-106f4a3389a8/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410264d-82cd-4ab5-a304-106f4a3389a8/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1695ea92d515c26fe077ccbd0f7cd81d79c88a31fa8dcb28f6a694a5fb660f60 [2021-11-23 00:37:41,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:37:41,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:37:41,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:37:41,272 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:37:41,273 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:37:41,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410264d-82cd-4ab5-a304-106f4a3389a8/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/bitvector/jain_4-1.c [2021-11-23 00:37:41,334 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410264d-82cd-4ab5-a304-106f4a3389a8/bin/ukojak-LBtLqBUTdQ/data/1ecc9419d/5442203090044bbab0237921402a6a64/FLAGed8c82cd8 [2021-11-23 00:37:41,788 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:37:41,789 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410264d-82cd-4ab5-a304-106f4a3389a8/sv-benchmarks/c/bitvector/jain_4-1.c [2021-11-23 00:37:41,796 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410264d-82cd-4ab5-a304-106f4a3389a8/bin/ukojak-LBtLqBUTdQ/data/1ecc9419d/5442203090044bbab0237921402a6a64/FLAGed8c82cd8 [2021-11-23 00:37:42,186 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410264d-82cd-4ab5-a304-106f4a3389a8/bin/ukojak-LBtLqBUTdQ/data/1ecc9419d/5442203090044bbab0237921402a6a64 [2021-11-23 00:37:42,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:37:42,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:37:42,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:37:42,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:37:42,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:37:42,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:42" (1/1) ... [2021-11-23 00:37:42,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1100e706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:42, skipping insertion in model container [2021-11-23 00:37:42,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:42" (1/1) ... [2021-11-23 00:37:42,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:37:42,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:37:42,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410264d-82cd-4ab5-a304-106f4a3389a8/sv-benchmarks/c/bitvector/jain_4-1.c[665,678] [2021-11-23 00:37:42,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:37:42,358 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:37:42,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410264d-82cd-4ab5-a304-106f4a3389a8/sv-benchmarks/c/bitvector/jain_4-1.c[665,678] [2021-11-23 00:37:42,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:37:42,411 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:37:42,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:42 WrapperNode [2021-11-23 00:37:42,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:37:42,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:37:42,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:37:42,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:37:42,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:42" (1/1) ... [2021-11-23 00:37:42,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:42" (1/1) ... [2021-11-23 00:37:42,458 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2021-11-23 00:37:42,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:37:42,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:37:42,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:37:42,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:37:42,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:42" (1/1) ... [2021-11-23 00:37:42,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:42" (1/1) ... [2021-11-23 00:37:42,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:42" (1/1) ... [2021-11-23 00:37:42,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:42" (1/1) ... [2021-11-23 00:37:42,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:42" (1/1) ... [2021-11-23 00:37:42,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:42" (1/1) ... [2021-11-23 00:37:42,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:42" (1/1) ... [2021-11-23 00:37:42,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:37:42,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:37:42,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:37:42,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:37:42,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:42" (1/1) ... [2021-11-23 00:37:42,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:37:42,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410264d-82cd-4ab5-a304-106f4a3389a8/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:37:42,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410264d-82cd-4ab5-a304-106f4a3389a8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:37:42,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410264d-82cd-4ab5-a304-106f4a3389a8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:37:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:37:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:37:42,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:37:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:37:42,659 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:37:42,661 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:37:42,874 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:37:42,910 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:37:42,910 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:37:42,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:42 BoogieIcfgContainer [2021-11-23 00:37:42,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:37:42,913 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:37:42,923 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:37:42,933 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:37:42,933 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:42" (1/1) ... [2021-11-23 00:37:42,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:37:43,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:43,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2021-11-23 00:37:43,028 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2021-11-23 00:37:43,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:37:43,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:43,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:37:43,105 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:37:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:37:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:37:43,147 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:37:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:37:43,161 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-11-23 00:37:43,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:37:43 ImpRootNode [2021-11-23 00:37:43,185 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:37:43,185 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:37:43,185 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:37:43,186 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:37:43,186 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:42" (3/4) ... [2021-11-23 00:37:43,188 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 00:37:43,220 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410264d-82cd-4ab5-a304-106f4a3389a8/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:37:43,220 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:37:43,221 INFO L158 Benchmark]: Toolchain (without parser) took 1031.10ms. Allocated memory is still 119.5MB. Free memory was 95.3MB in the beginning and 67.9MB in the end (delta: 27.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 00:37:43,222 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:37:43,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.05ms. Allocated memory is still 119.5MB. Free memory was 94.8MB in the beginning and 93.8MB in the end (delta: 998.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:37:43,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.38ms. Allocated memory is still 119.5MB. Free memory was 93.8MB in the beginning and 92.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:37:43,223 INFO L158 Benchmark]: Boogie Preprocessor took 41.69ms. Allocated memory is still 119.5MB. Free memory was 92.3MB in the beginning and 91.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:37:43,224 INFO L158 Benchmark]: RCFGBuilder took 409.05ms. Allocated memory is still 119.5MB. Free memory was 91.3MB in the beginning and 80.5MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:37:43,225 INFO L158 Benchmark]: CodeCheck took 271.17ms. Allocated memory is still 119.5MB. Free memory was 80.5MB in the beginning and 69.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:37:43,227 INFO L158 Benchmark]: Witness Printer took 34.91ms. Allocated memory is still 119.5MB. Free memory was 69.5MB in the beginning and 67.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:37:43,230 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 35 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 30]: integer overflow possible integer overflow possible We found a FailurePath: [L22] int x,y,z; [L24] x=0 [L25] y=0 [L26] z=0 VAL [x=0, y=0, z=0] [L28] COND TRUE 1 [L30] 4*__VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=536870912, x=0, y=0, z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.05ms. Allocated memory is still 119.5MB. Free memory was 94.8MB in the beginning and 93.8MB in the end (delta: 998.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.38ms. Allocated memory is still 119.5MB. Free memory was 93.8MB in the beginning and 92.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.69ms. Allocated memory is still 119.5MB. Free memory was 92.3MB in the beginning and 91.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 409.05ms. Allocated memory is still 119.5MB. Free memory was 91.3MB in the beginning and 80.5MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 271.17ms. Allocated memory is still 119.5MB. Free memory was 80.5MB in the beginning and 69.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 34.91ms. Allocated memory is still 119.5MB. Free memory was 69.5MB in the beginning and 67.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 00:37:43,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410264d-82cd-4ab5-a304-106f4a3389a8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)