./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/num_conversion_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_98f2e6c2-8c03-4b99-8ca1-4971b343cdc7/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f2e6c2-8c03-4b99-8ca1-4971b343cdc7/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_98f2e6c2-8c03-4b99-8ca1-4971b343cdc7/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f2e6c2-8c03-4b99-8ca1-4971b343cdc7/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/num_conversion_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f2e6c2-8c03-4b99-8ca1-4971b343cdc7/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_98f2e6c2-8c03-4b99-8ca1-4971b343cdc7/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 bdb7543d1c240ce49edc036e26416805e34b577c5ba56fd044d3b26828ca42a8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:08:48,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:08:48,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:08:48,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:08:48,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:08:48,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:08:48,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:08:48,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:08:48,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:08:48,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:08:48,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:08:48,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:08:48,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:08:48,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:08:48,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:08:48,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:08:48,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:08:48,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:08:48,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:08:48,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:08:48,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:08:48,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:08:48,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:08:48,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:08:48,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:08:48,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:08:48,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:08:48,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:08:48,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:08:48,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:08:48,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:08:48,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:08:48,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:08:48,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:08:48,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:08:48,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:08:48,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:08:48,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:08:48,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:08:48,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:08:48,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:08:48,772 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f2e6c2-8c03-4b99-8ca1-4971b343cdc7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-22 23:08:48,818 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:08:48,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:08:48,820 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:08:48,820 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:08:48,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:08:48,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:08:48,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:08:48,822 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:08:48,822 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:08:48,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:08:48,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:08:48,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:08:48,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:08:48,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:08:48,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:08:48,825 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-22 23:08:48,825 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:08:48,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:08:48,825 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:08:48,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:08:48,826 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:08:48,826 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:08:48,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:08:48,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:08:48,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:08:48,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:08:48,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:08:48,828 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:08:48,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:08:48,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:08:48,830 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_98f2e6c2-8c03-4b99-8ca1-4971b343cdc7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f2e6c2-8c03-4b99-8ca1-4971b343cdc7/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdb7543d1c240ce49edc036e26416805e34b577c5ba56fd044d3b26828ca42a8 [2021-11-22 23:08:49,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:08:49,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:08:49,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:08:49,148 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:08:49,149 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:08:49,151 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f2e6c2-8c03-4b99-8ca1-4971b343cdc7/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/bitvector/num_conversion_1.c [2021-11-22 23:08:49,223 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f2e6c2-8c03-4b99-8ca1-4971b343cdc7/bin/ukojak-LBtLqBUTdQ/data/1fee67258/4e3bd9a98677451f8d694de2bd9b5890/FLAG07b21f68d [2021-11-22 23:08:49,661 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:08:49,662 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f2e6c2-8c03-4b99-8ca1-4971b343cdc7/sv-benchmarks/c/bitvector/num_conversion_1.c [2021-11-22 23:08:49,672 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f2e6c2-8c03-4b99-8ca1-4971b343cdc7/bin/ukojak-LBtLqBUTdQ/data/1fee67258/4e3bd9a98677451f8d694de2bd9b5890/FLAG07b21f68d [2021-11-22 23:08:50,032 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f2e6c2-8c03-4b99-8ca1-4971b343cdc7/bin/ukojak-LBtLqBUTdQ/data/1fee67258/4e3bd9a98677451f8d694de2bd9b5890 [2021-11-22 23:08:50,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:08:50,037 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:08:50,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:08:50,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:08:50,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:08:50,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:08:50" (1/1) ... [2021-11-22 23:08:50,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7202b658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:50, skipping insertion in model container [2021-11-22 23:08:50,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:08:50" (1/1) ... [2021-11-22 23:08:50,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:08:50,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:08:50,253 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_98f2e6c2-8c03-4b99-8ca1-4971b343cdc7/sv-benchmarks/c/bitvector/num_conversion_1.c[673,686] [2021-11-22 23:08:50,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:08:50,286 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:08:50,304 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_98f2e6c2-8c03-4b99-8ca1-4971b343cdc7/sv-benchmarks/c/bitvector/num_conversion_1.c[673,686] [2021-11-22 23:08:50,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:08:50,328 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:08:50,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:50 WrapperNode [2021-11-22 23:08:50,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:08:50,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:08:50,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:08:50,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:08:50,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:50" (1/1) ... [2021-11-22 23:08:50,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:50" (1/1) ... [2021-11-22 23:08:50,366 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2021-11-22 23:08:50,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:08:50,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:08:50,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:08:50,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:08:50,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:50" (1/1) ... [2021-11-22 23:08:50,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:50" (1/1) ... [2021-11-22 23:08:50,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:50" (1/1) ... [2021-11-22 23:08:50,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:50" (1/1) ... [2021-11-22 23:08:50,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:50" (1/1) ... [2021-11-22 23:08:50,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:50" (1/1) ... [2021-11-22 23:08:50,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:50" (1/1) ... [2021-11-22 23:08:50,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:08:50,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:08:50,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:08:50,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:08:50,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:50" (1/1) ... [2021-11-22 23:08:50,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:08:50,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f2e6c2-8c03-4b99-8ca1-4971b343cdc7/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:08:50,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f2e6c2-8c03-4b99-8ca1-4971b343cdc7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:08:50,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f2e6c2-8c03-4b99-8ca1-4971b343cdc7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:08:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:08:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:08:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:08:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:08:50,537 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:08:50,539 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:08:50,644 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:08:50,668 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:08:50,668 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:08:50,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:08:50 BoogieIcfgContainer [2021-11-22 23:08:50,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:08:50,672 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:08:50,672 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:08:50,684 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:08:50,684 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:08:50" (1/1) ... [2021-11-22 23:08:50,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:08:50,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:50,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2021-11-22 23:08:50,753 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-11-22 23:08:50,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:08:50,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:50,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:08:50,830 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:08:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:08:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:08:50,877 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:08:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:08:50,892 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-11-22 23:08:50,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:08:50 ImpRootNode [2021-11-22 23:08:50,919 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:08:50,919 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:08:50,919 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:08:50,920 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:08:50,920 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:08:50" (3/4) ... [2021-11-22 23:08:50,924 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-22 23:08:50,924 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:08:50,925 INFO L158 Benchmark]: Toolchain (without parser) took 888.23ms. Allocated memory is still 90.2MB. Free memory was 54.3MB in the beginning and 44.2MB in the end (delta: 10.1MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-11-22 23:08:50,926 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:08:50,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.30ms. Allocated memory is still 90.2MB. Free memory was 54.1MB in the beginning and 67.2MB in the end (delta: -13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:08:50,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.06ms. Allocated memory is still 90.2MB. Free memory was 67.2MB in the beginning and 65.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:08:50,929 INFO L158 Benchmark]: Boogie Preprocessor took 24.08ms. Allocated memory is still 90.2MB. Free memory was 65.5MB in the beginning and 64.8MB in the end (delta: 732.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:08:50,930 INFO L158 Benchmark]: RCFGBuilder took 279.03ms. Allocated memory is still 90.2MB. Free memory was 64.5MB in the beginning and 55.0MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 23:08:50,931 INFO L158 Benchmark]: CodeCheck took 246.83ms. Allocated memory is still 90.2MB. Free memory was 54.7MB in the beginning and 44.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 23:08:50,932 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 90.2MB. Free memory was 44.6MB in the beginning and 44.2MB in the end (delta: 379.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:08:50,947 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, 16 locations, 6 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 - UnprovableResult [Line: 32]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of shiftLeft at line 32. Possible FailurePath: [L24] unsigned char x; [L25] unsigned char y; [L26] unsigned char c; [L28] x = 37 [L29] y = 0 [L30] c = 0 VAL [c=0, x=37, y=0] [L31] COND TRUE c < (unsigned char)8 VAL [c=0, x=37, y=0] [L32] ((unsigned char)1) << c VAL [c=0, x=37, y=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.30ms. Allocated memory is still 90.2MB. Free memory was 54.1MB in the beginning and 67.2MB in the end (delta: -13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.06ms. Allocated memory is still 90.2MB. Free memory was 67.2MB in the beginning and 65.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.08ms. Allocated memory is still 90.2MB. Free memory was 65.5MB in the beginning and 64.8MB in the end (delta: 732.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 279.03ms. Allocated memory is still 90.2MB. Free memory was 64.5MB in the beginning and 55.0MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 246.83ms. Allocated memory is still 90.2MB. Free memory was 54.7MB in the beginning and 44.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 90.2MB. Free memory was 44.6MB in the beginning and 44.2MB in the end (delta: 379.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-22 23:08:51,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f2e6c2-8c03-4b99-8ca1-4971b343cdc7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f2e6c2-8c03-4b99-8ca1-4971b343cdc7/bin/ukojak-LBtLqBUTdQ/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample