./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_16_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26e3d24-1cc7-49b4-a8d1-59cf8f4958db/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26e3d24-1cc7-49b4-a8d1-59cf8f4958db/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26e3d24-1cc7-49b4-a8d1-59cf8f4958db/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26e3d24-1cc7-49b4-a8d1-59cf8f4958db/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_16_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26e3d24-1cc7-49b4-a8d1-59cf8f4958db/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26e3d24-1cc7-49b4-a8d1-59cf8f4958db/bin/ukojak-jW3SillKbg --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 5002a0e5ff35272623b026cd18ae433a014c63810e185057beffc0b52dcb132e --- 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-b5237d8 [2022-11-21 23:13:33,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:13:33,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:13:33,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:13:33,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:13:33,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:13:33,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:13:33,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:13:33,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:13:33,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:13:33,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:13:33,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:13:33,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:13:33,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:13:33,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:13:33,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:13:33,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:13:33,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:13:33,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:13:33,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:13:33,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:13:33,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:13:33,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:13:33,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:13:33,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:13:33,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:13:33,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:13:33,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:13:33,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:13:33,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:13:33,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:13:33,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:13:33,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:13:33,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:13:33,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:13:33,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:13:33,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:13:33,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:13:33,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:13:33,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:13:33,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:13:33,943 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26e3d24-1cc7-49b4-a8d1-59cf8f4958db/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:13:33,987 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:13:33,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:13:33,988 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:13:33,988 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:13:33,989 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:13:33,989 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:13:33,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:13:33,989 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:13:33,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:13:33,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:13:33,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:13:33,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:13:33,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:13:33,991 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:13:33,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:13:33,991 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:13:33,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:13:33,991 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:13:33,991 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:13:33,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:13:33,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:13:33,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:13:33,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:13:33,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:13:33,993 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:13:33,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:13:33,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:13:33,993 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_d26e3d24-1cc7-49b4-a8d1-59cf8f4958db/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26e3d24-1cc7-49b4-a8d1-59cf8f4958db/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5002a0e5ff35272623b026cd18ae433a014c63810e185057beffc0b52dcb132e [2022-11-21 23:13:34,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:13:34,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:13:34,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:13:34,331 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:13:34,332 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:13:34,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26e3d24-1cc7-49b4-a8d1-59cf8f4958db/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_16_good.i [2022-11-21 23:13:37,395 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:13:37,856 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:13:37,857 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26e3d24-1cc7-49b4-a8d1-59cf8f4958db/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_16_good.i [2022-11-21 23:13:37,885 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26e3d24-1cc7-49b4-a8d1-59cf8f4958db/bin/ukojak-jW3SillKbg/data/19c27bd8c/320374e02f4549cbb2ef67159d28aaa1/FLAGe091aa84b [2022-11-21 23:13:37,913 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26e3d24-1cc7-49b4-a8d1-59cf8f4958db/bin/ukojak-jW3SillKbg/data/19c27bd8c/320374e02f4549cbb2ef67159d28aaa1 [2022-11-21 23:13:37,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:13:37,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:13:37,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:13:37,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:13:37,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:13:37,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:13:37" (1/1) ... [2022-11-21 23:13:37,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f97f08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:37, skipping insertion in model container [2022-11-21 23:13:37,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:13:37" (1/1) ... [2022-11-21 23:13:37,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:13:38,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:13:38,477 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:13:39,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:13:39,028 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:13:39,054 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:13:39,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:13:39,220 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:13:39,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:39 WrapperNode [2022-11-21 23:13:39,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:13:39,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:13:39,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:13:39,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:13:39,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:39" (1/1) ... [2022-11-21 23:13:39,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:39" (1/1) ... [2022-11-21 23:13:39,293 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2022-11-21 23:13:39,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:13:39,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:13:39,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:13:39,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:13:39,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:39" (1/1) ... [2022-11-21 23:13:39,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:39" (1/1) ... [2022-11-21 23:13:39,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:39" (1/1) ... [2022-11-21 23:13:39,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:39" (1/1) ... [2022-11-21 23:13:39,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:39" (1/1) ... [2022-11-21 23:13:39,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:39" (1/1) ... [2022-11-21 23:13:39,344 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:39" (1/1) ... [2022-11-21 23:13:39,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:39" (1/1) ... [2022-11-21 23:13:39,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:13:39,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:13:39,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:13:39,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:13:39,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:39" (1/1) ... [2022-11-21 23:13:39,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:13:39,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26e3d24-1cc7-49b4-a8d1-59cf8f4958db/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:13:39,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26e3d24-1cc7-49b4-a8d1-59cf8f4958db/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:13:39,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26e3d24-1cc7-49b4-a8d1-59cf8f4958db/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:13:39,436 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:13:39,436 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:13:39,436 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:13:39,437 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:13:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:13:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:13:39,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:13:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:13:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:13:39,631 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:13:39,633 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:13:39,832 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:13:39,870 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:13:39,870 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 23:13:39,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:13:39 BoogieIcfgContainer [2022-11-21 23:13:39,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:13:39,877 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:13:39,877 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:13:39,887 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:13:39,888 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:13:39" (1/1) ... [2022-11-21 23:13:39,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:13:39,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:39,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2022-11-21 23:13:39,954 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2022-11-21 23:13:39,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:13:39,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:39,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:40,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:13:40,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:40,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 26 transitions. [2022-11-21 23:13:40,282 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-11-21 23:13:40,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:13:40,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:40,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:40,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:13:40,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:40,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 23 transitions. [2022-11-21 23:13:40,429 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2022-11-21 23:13:40,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:13:40,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:40,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:40,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:13:40,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:40,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 22 transitions. [2022-11-21 23:13:40,549 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-11-21 23:13:40,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:13:40,550 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2022-11-21 23:13:40,558 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 23:13:40,582 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-21 23:13:40,592 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-21 23:13:40,592 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:13:40,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:13:40 ImpRootNode [2022-11-21 23:13:40,593 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:13:40,594 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:13:40,594 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:13:40,594 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:13:40,595 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:13:39" (3/4) ... [2022-11-21 23:13:40,598 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:13:40,604 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:13:40,604 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:13:40,608 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-21 23:13:40,609 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 23:13:40,609 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 23:13:40,609 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:13:40,653 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26e3d24-1cc7-49b4-a8d1-59cf8f4958db/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:13:40,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:13:40,654 INFO L158 Benchmark]: Toolchain (without parser) took 2733.97ms. Allocated memory is still 159.4MB. Free memory was 122.8MB in the beginning and 89.6MB in the end (delta: 33.2MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2022-11-21 23:13:40,654 INFO L158 Benchmark]: CDTParser took 1.39ms. Allocated memory is still 121.6MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:13:40,655 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1296.55ms. Allocated memory is still 159.4MB. Free memory was 122.1MB in the beginning and 79.9MB in the end (delta: 42.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-21 23:13:40,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.69ms. Allocated memory is still 159.4MB. Free memory was 79.9MB in the beginning and 76.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:13:40,656 INFO L158 Benchmark]: Boogie Preprocessor took 52.93ms. Allocated memory is still 159.4MB. Free memory was 76.7MB in the beginning and 75.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:13:40,656 INFO L158 Benchmark]: RCFGBuilder took 527.59ms. Allocated memory is still 159.4MB. Free memory was 75.4MB in the beginning and 125.3MB in the end (delta: -49.9MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2022-11-21 23:13:40,657 INFO L158 Benchmark]: CodeCheck took 716.36ms. Allocated memory is still 159.4MB. Free memory was 124.2MB in the beginning and 92.7MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-21 23:13:40,658 INFO L158 Benchmark]: Witness Printer took 59.33ms. Allocated memory is still 159.4MB. Free memory was 92.7MB in the beginning and 89.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:13:40,661 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, 28 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 36 mSDtfsCounter, 61 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 4 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 57 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 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: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: 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: 1575]: Loop Invariant Derived loop invariant: data == 2 - InvariantResult [Line: 1549]: Loop Invariant Derived loop invariant: 2147483647 <= data - InvariantResult [Line: 1603]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39ms. Allocated memory is still 121.6MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1296.55ms. Allocated memory is still 159.4MB. Free memory was 122.1MB in the beginning and 79.9MB in the end (delta: 42.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.69ms. Allocated memory is still 159.4MB. Free memory was 79.9MB in the beginning and 76.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.93ms. Allocated memory is still 159.4MB. Free memory was 76.7MB in the beginning and 75.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 527.59ms. Allocated memory is still 159.4MB. Free memory was 75.4MB in the beginning and 125.3MB in the end (delta: -49.9MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * CodeCheck took 716.36ms. Allocated memory is still 159.4MB. Free memory was 124.2MB in the beginning and 92.7MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 59.33ms. Allocated memory is still 159.4MB. Free memory was 92.7MB in the beginning and 89.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:13:40,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26e3d24-1cc7-49b4-a8d1-59cf8f4958db/bin/ukojak-jW3SillKbg/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 Writing output log to file Ultimate.log Result: TRUE