./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_68_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4926b1b8-ee95-4299-ab8e-f22cb5e874ef/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4926b1b8-ee95-4299-ab8e-f22cb5e874ef/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4926b1b8-ee95-4299-ab8e-f22cb5e874ef/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4926b1b8-ee95-4299-ab8e-f22cb5e874ef/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_68_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4926b1b8-ee95-4299-ab8e-f22cb5e874ef/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4926b1b8-ee95-4299-ab8e-f22cb5e874ef/bin/ukojak-pZX7IvK2PQ --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 64bit --witnessprinter.graph.data.programhash b03a1ef90cf2c9786337a4d14c830762fb4aa661eea715d8a6e6cdbac0934310 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:04:16,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:04:16,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:04:16,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:04:16,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:04:16,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:04:16,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:04:16,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:04:16,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:04:16,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:04:16,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:04:16,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:04:16,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:04:16,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:04:16,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:04:16,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:04:16,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:04:16,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:04:16,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:04:16,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:04:16,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:04:16,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:04:16,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:04:16,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:04:16,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:04:16,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:04:16,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:04:16,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:04:16,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:04:16,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:04:16,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:04:16,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:04:16,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:04:16,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:04:16,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:04:16,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:04:16,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:04:16,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:04:16,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:04:16,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:04:16,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:04:16,746 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4926b1b8-ee95-4299-ab8e-f22cb5e874ef/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:04:16,767 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:04:16,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:04:16,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:04:16,769 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:04:16,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:04:16,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:04:16,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:04:16,771 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:04:16,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:04:16,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:04:16,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:04:16,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:04:16,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:04:16,772 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:04:16,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:04:16,773 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:04:16,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:04:16,773 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:04:16,774 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:04:16,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:04:16,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:04:16,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:04:16,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:04:16,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:04:16,776 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:04:16,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:04:16,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:04:16,776 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_4926b1b8-ee95-4299-ab8e-f22cb5e874ef/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4926b1b8-ee95-4299-ab8e-f22cb5e874ef/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b03a1ef90cf2c9786337a4d14c830762fb4aa661eea715d8a6e6cdbac0934310 [2022-11-20 18:04:17,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:04:17,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:04:17,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:04:17,143 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:04:17,144 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:04:17,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4926b1b8-ee95-4299-ab8e-f22cb5e874ef/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_68_good.i [2022-11-20 18:04:20,161 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:04:20,650 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:04:20,650 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4926b1b8-ee95-4299-ab8e-f22cb5e874ef/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_68_good.i [2022-11-20 18:04:20,679 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4926b1b8-ee95-4299-ab8e-f22cb5e874ef/bin/ukojak-pZX7IvK2PQ/data/120c3c551/07f8dfa6d7c64384bdc80282ab08b4a3/FLAG1c4d2516a [2022-11-20 18:04:20,696 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4926b1b8-ee95-4299-ab8e-f22cb5e874ef/bin/ukojak-pZX7IvK2PQ/data/120c3c551/07f8dfa6d7c64384bdc80282ab08b4a3 [2022-11-20 18:04:20,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:04:20,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:04:20,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:04:20,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:04:20,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:04:20,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:04:20" (1/1) ... [2022-11-20 18:04:20,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36124a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:20, skipping insertion in model container [2022-11-20 18:04:20,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:04:20" (1/1) ... [2022-11-20 18:04:20,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:04:20,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:04:21,191 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:04:21,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:04:21,838 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:04:21,873 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:04:21,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:04:22,097 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:04:22,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:22 WrapperNode [2022-11-20 18:04:22,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:04:22,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:04:22,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:04:22,110 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:04:22,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:22" (1/1) ... [2022-11-20 18:04:22,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:22" (1/1) ... [2022-11-20 18:04:22,191 INFO L138 Inliner]: procedures = 503, calls = 61, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 72 [2022-11-20 18:04:22,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:04:22,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:04:22,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:04:22,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:04:22,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:22" (1/1) ... [2022-11-20 18:04:22,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:22" (1/1) ... [2022-11-20 18:04:22,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:22" (1/1) ... [2022-11-20 18:04:22,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:22" (1/1) ... [2022-11-20 18:04:22,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:22" (1/1) ... [2022-11-20 18:04:22,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:22" (1/1) ... [2022-11-20 18:04:22,222 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:22" (1/1) ... [2022-11-20 18:04:22,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:22" (1/1) ... [2022-11-20 18:04:22,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:04:22,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:04:22,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:04:22,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:04:22,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:22" (1/1) ... [2022-11-20 18:04:22,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:04:22,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4926b1b8-ee95-4299-ab8e-f22cb5e874ef/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:04:22,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4926b1b8-ee95-4299-ab8e-f22cb5e874ef/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:04:22,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4926b1b8-ee95-4299-ab8e-f22cb5e874ef/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:04:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 18:04:22,323 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 18:04:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:04:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:04:22,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:04:22,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:04:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:04:22,324 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:04:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:04:22,523 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:04:22,540 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:04:22,835 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:04:22,922 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:04:22,926 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:04:22,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:04:22 BoogieIcfgContainer [2022-11-20 18:04:22,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:04:22,938 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:04:22,938 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:04:22,951 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:04:22,952 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:04:22" (1/1) ... [2022-11-20 18:04:22,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:04:23,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:23,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-11-20 18:04:23,036 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-20 18:04:23,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:04:23,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:23,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:23,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:04:23,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:23,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-11-20 18:04:23,364 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-11-20 18:04:23,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:04:23,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:23,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:23,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:04:23,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:23,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2022-11-20 18:04:23,548 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2022-11-20 18:04:23,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:04:23,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:23,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:23,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:04:23,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:23,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2022-11-20 18:04:23,747 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-11-20 18:04:23,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:04:23,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:23,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:23,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:04:24,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:24,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-11-20 18:04:24,014 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-11-20 18:04:24,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:04:24,014 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-11-20 18:04:24,023 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 18:04:24,061 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:04:24,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:04:24 ImpRootNode [2022-11-20 18:04:24,067 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:04:24,067 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:04:24,067 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:04:24,068 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:04:24,068 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:04:22" (3/4) ... [2022-11-20 18:04:24,072 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:04:24,078 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 18:04:24,078 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 18:04:24,092 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-20 18:04:24,092 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 18:04:24,092 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 18:04:24,093 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:04:24,164 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4926b1b8-ee95-4299-ab8e-f22cb5e874ef/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:04:24,165 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:04:24,167 INFO L158 Benchmark]: Toolchain (without parser) took 3463.01ms. Allocated memory is still 186.6MB. Free memory was 150.4MB in the beginning and 138.1MB in the end (delta: 12.3MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2022-11-20 18:04:24,168 INFO L158 Benchmark]: CDTParser took 1.49ms. Allocated memory is still 134.2MB. Free memory was 79.0MB in the beginning and 78.8MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:04:24,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1400.40ms. Allocated memory is still 186.6MB. Free memory was 149.9MB in the beginning and 147.3MB in the end (delta: 2.6MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2022-11-20 18:04:24,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.59ms. Allocated memory is still 186.6MB. Free memory was 147.3MB in the beginning and 143.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:04:24,169 INFO L158 Benchmark]: Boogie Preprocessor took 34.14ms. Allocated memory is still 186.6MB. Free memory was 143.9MB in the beginning and 142.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:04:24,170 INFO L158 Benchmark]: RCFGBuilder took 710.87ms. Allocated memory is still 186.6MB. Free memory was 142.7MB in the beginning and 123.0MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 18:04:24,171 INFO L158 Benchmark]: CodeCheck took 1128.60ms. Allocated memory is still 186.6MB. Free memory was 123.0MB in the beginning and 141.2MB in the end (delta: -18.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:04:24,171 INFO L158 Benchmark]: Witness Printer took 98.44ms. Allocated memory is still 186.6MB. Free memory was 141.2MB in the beginning and 138.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:04:24,177 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 3 procedures, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 98 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 95 IncrementalHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 42 mSDtfsCounter, 95 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 250 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1601]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1601]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1579]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.49ms. Allocated memory is still 134.2MB. Free memory was 79.0MB in the beginning and 78.8MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1400.40ms. Allocated memory is still 186.6MB. Free memory was 149.9MB in the beginning and 147.3MB in the end (delta: 2.6MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.59ms. Allocated memory is still 186.6MB. Free memory was 147.3MB in the beginning and 143.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.14ms. Allocated memory is still 186.6MB. Free memory was 143.9MB in the beginning and 142.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 710.87ms. Allocated memory is still 186.6MB. Free memory was 142.7MB in the beginning and 123.0MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 1128.60ms. Allocated memory is still 186.6MB. Free memory was 123.0MB in the beginning and 141.2MB in the end (delta: -18.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 98.44ms. Allocated memory is still 186.6MB. Free memory was 141.2MB in the beginning and 138.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 18:04:24,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4926b1b8-ee95-4299-ab8e-f22cb5e874ef/bin/ukojak-pZX7IvK2PQ/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 Result: TRUE