./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_44_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_658c20d0-f165-4075-affc-5bb1dce60e00/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c20d0-f165-4075-affc-5bb1dce60e00/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_658c20d0-f165-4075-affc-5bb1dce60e00/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c20d0-f165-4075-affc-5bb1dce60e00/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_44_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c20d0-f165-4075-affc-5bb1dce60e00/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_658c20d0-f165-4075-affc-5bb1dce60e00/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 fec3a73dcfc39456d7a7e827f6780d8ef9773aaaeff79102c9c9ecfbda4472eb --- 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 23:42:00,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:42:00,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:42:00,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:42:00,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:42:00,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:42:00,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:42:00,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:42:00,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:42:00,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:42:00,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:42:00,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:42:00,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:42:00,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:42:00,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:42:00,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:42:00,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:42:00,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:42:00,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:42:00,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:42:00,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:42:00,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:42:00,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:42:00,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:42:00,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:42:00,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:42:00,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:42:00,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:42:00,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:42:00,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:42:00,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:42:00,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:42:00,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:42:00,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:42:00,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:42:00,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:42:00,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:42:00,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:42:00,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:42:00,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:42:00,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:42:00,429 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c20d0-f165-4075-affc-5bb1dce60e00/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:42:00,449 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:42:00,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:42:00,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:42:00,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:42:00,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:42:00,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:42:00,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:42:00,452 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:42:00,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:42:00,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:42:00,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:42:00,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:42:00,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:42:00,453 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:42:00,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:42:00,454 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:42:00,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:42:00,454 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:42:00,454 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:42:00,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:42:00,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:42:00,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:42:00,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:42:00,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:42:00,456 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:42:00,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:42:00,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:42:00,457 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_658c20d0-f165-4075-affc-5bb1dce60e00/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c20d0-f165-4075-affc-5bb1dce60e00/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fec3a73dcfc39456d7a7e827f6780d8ef9773aaaeff79102c9c9ecfbda4472eb [2022-11-21 23:42:00,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:42:00,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:42:00,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:42:00,734 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:42:00,735 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:42:00,736 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c20d0-f165-4075-affc-5bb1dce60e00/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_44_good.i [2022-11-21 23:42:03,842 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:42:04,311 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:42:04,312 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c20d0-f165-4075-affc-5bb1dce60e00/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_44_good.i [2022-11-21 23:42:04,339 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c20d0-f165-4075-affc-5bb1dce60e00/bin/ukojak-jW3SillKbg/data/c3399aab4/01cc9018a800479ebb74c4786c8d7c9d/FLAG81d849cf1 [2022-11-21 23:42:04,362 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c20d0-f165-4075-affc-5bb1dce60e00/bin/ukojak-jW3SillKbg/data/c3399aab4/01cc9018a800479ebb74c4786c8d7c9d [2022-11-21 23:42:04,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:42:04,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:42:04,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:42:04,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:42:04,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:42:04,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:42:04" (1/1) ... [2022-11-21 23:42:04,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7affe3c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:42:04, skipping insertion in model container [2022-11-21 23:42:04,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:42:04" (1/1) ... [2022-11-21 23:42:04,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:42:04,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:42:04,881 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:42:05,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:42:05,511 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:42:05,532 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:42:05,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:42:05,780 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:42:05,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:42:05 WrapperNode [2022-11-21 23:42:05,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:42:05,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:42:05,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:42:05,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:42:05,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:42:05" (1/1) ... [2022-11-21 23:42:05,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:42:05" (1/1) ... [2022-11-21 23:42:05,854 INFO L138 Inliner]: procedures = 504, calls = 68, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 69 [2022-11-21 23:42:05,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:42:05,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:42:05,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:42:05,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:42:05,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:42:05" (1/1) ... [2022-11-21 23:42:05,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:42:05" (1/1) ... [2022-11-21 23:42:05,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:42:05" (1/1) ... [2022-11-21 23:42:05,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:42:05" (1/1) ... [2022-11-21 23:42:05,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:42:05" (1/1) ... [2022-11-21 23:42:05,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:42:05" (1/1) ... [2022-11-21 23:42:05,877 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:42:05" (1/1) ... [2022-11-21 23:42:05,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:42:05" (1/1) ... [2022-11-21 23:42:05,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:42:05,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:42:05,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:42:05,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:42:05,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:42:05" (1/1) ... [2022-11-21 23:42:05,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:42:05,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c20d0-f165-4075-affc-5bb1dce60e00/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:42:05,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c20d0-f165-4075-affc-5bb1dce60e00/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:42:05,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c20d0-f165-4075-affc-5bb1dce60e00/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:42:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:42:05,983 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:42:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:42:05,983 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:42:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:42:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:42:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:42:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-21 23:42:05,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-21 23:42:05,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:42:05,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:42:05,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:42:05,985 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:42:05,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:42:05,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:42:06,160 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:42:06,162 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:42:06,360 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:42:06,409 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:42:06,409 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:42:06,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:42:06 BoogieIcfgContainer [2022-11-21 23:42:06,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:42:06,413 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:42:06,413 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:42:06,424 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:42:06,424 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:42:06" (1/1) ... [2022-11-21 23:42:06,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:42:06,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:06,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2022-11-21 23:42:06,502 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-11-21 23:42:06,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:42:06,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:06,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:06,966 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 23:42:07,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:07,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 42 transitions. [2022-11-21 23:42:07,093 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-11-21 23:42:07,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:42:07,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:07,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:07,311 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 23:42:07,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:07,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 45 transitions. [2022-11-21 23:42:07,606 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-11-21 23:42:07,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:42:07,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:07,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:07,827 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 23:42:08,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:08,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 51 transitions. [2022-11-21 23:42:08,430 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2022-11-21 23:42:08,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:42:08,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:08,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:08,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:42:09,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:09,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 44 transitions. [2022-11-21 23:42:09,173 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2022-11-21 23:42:09,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:42:09,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:09,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:09,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:42:10,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:10,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 43 transitions. [2022-11-21 23:42:10,364 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2022-11-21 23:42:10,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:42:10,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:10,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:10,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:42:10,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:10,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 38 transitions. [2022-11-21 23:42:10,999 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2022-11-21 23:42:11,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:42:11,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:11,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:11,088 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 23:42:11,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:11,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 37 transitions. [2022-11-21 23:42:11,264 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-11-21 23:42:11,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:42:11,265 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-11-21 23:42:11,274 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 23:42:11,443 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:42:11,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:42:11 ImpRootNode [2022-11-21 23:42:11,448 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:42:11,449 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:42:11,449 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:42:11,449 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:42:11,450 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:42:06" (3/4) ... [2022-11-21 23:42:11,453 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:42:11,458 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:42:11,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:42:11,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-21 23:42:11,463 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-21 23:42:11,463 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-21 23:42:11,464 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 23:42:11,464 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:42:11,511 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c20d0-f165-4075-affc-5bb1dce60e00/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:42:11,511 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:42:11,512 INFO L158 Benchmark]: Toolchain (without parser) took 7143.97ms. Allocated memory was 180.4MB in the beginning and 226.5MB in the end (delta: 46.1MB). Free memory was 143.7MB in the beginning and 98.9MB in the end (delta: 44.9MB). Peak memory consumption was 92.7MB. Max. memory is 16.1GB. [2022-11-21 23:42:11,512 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 117.4MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:42:11,513 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1413.56ms. Allocated memory is still 180.4MB. Free memory was 143.7MB in the beginning and 144.3MB in the end (delta: -536.9kB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. [2022-11-21 23:42:11,513 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.86ms. Allocated memory is still 180.4MB. Free memory was 144.3MB in the beginning and 141.3MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:42:11,514 INFO L158 Benchmark]: Boogie Preprocessor took 26.11ms. Allocated memory is still 180.4MB. Free memory was 141.3MB in the beginning and 139.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:42:11,514 INFO L158 Benchmark]: RCFGBuilder took 530.64ms. Allocated memory is still 180.4MB. Free memory was 139.2MB in the beginning and 123.3MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 23:42:11,514 INFO L158 Benchmark]: CodeCheck took 5034.93ms. Allocated memory was 180.4MB in the beginning and 226.5MB in the end (delta: 46.1MB). Free memory was 123.3MB in the beginning and 101.9MB in the end (delta: 21.4MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2022-11-21 23:42:11,515 INFO L158 Benchmark]: Witness Printer took 62.86ms. Allocated memory is still 226.5MB. Free memory was 101.9MB in the beginning and 98.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:42:11,523 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 4 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 309 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 173 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 194 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 526 IncrementalHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 194 mSolverCounterUnsat, 173 mSDtfsCounter, 526 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 937 GetRequests, 846 SyntacticMatches, 1 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2468 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 260 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 11/11 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: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: 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: 1595]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 117.4MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1413.56ms. Allocated memory is still 180.4MB. Free memory was 143.7MB in the beginning and 144.3MB in the end (delta: -536.9kB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.86ms. Allocated memory is still 180.4MB. Free memory was 144.3MB in the beginning and 141.3MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.11ms. Allocated memory is still 180.4MB. Free memory was 141.3MB in the beginning and 139.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 530.64ms. Allocated memory is still 180.4MB. Free memory was 139.2MB in the beginning and 123.3MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 5034.93ms. Allocated memory was 180.4MB in the beginning and 226.5MB in the end (delta: 46.1MB). Free memory was 123.3MB in the beginning and 101.9MB in the end (delta: 21.4MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. * Witness Printer took 62.86ms. Allocated memory is still 226.5MB. Free memory was 101.9MB in the beginning and 98.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:42:11,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c20d0-f165-4075-affc-5bb1dce60e00/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