./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_15_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_a3954f14-9b8d-4564-b542-531976893583/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3954f14-9b8d-4564-b542-531976893583/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_a3954f14-9b8d-4564-b542-531976893583/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3954f14-9b8d-4564-b542-531976893583/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3954f14-9b8d-4564-b542-531976893583/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_a3954f14-9b8d-4564-b542-531976893583/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 3fc7fd25ad986ebb2cd9cecfaa8466d8be84eaaa05d65b1e6c20f2161067ad5f --- 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 23:10:22,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:10:22,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:10:22,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:10:22,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:10:22,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:10:22,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:10:22,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:10:22,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:10:22,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:10:22,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:10:22,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:10:22,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:10:22,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:10:22,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:10:22,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:10:22,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:10:22,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:10:22,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:10:22,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:10:22,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:10:22,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:10:22,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:10:22,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:10:22,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:10:22,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:10:22,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:10:22,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:10:22,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:10:22,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:10:22,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:10:22,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:10:22,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:10:22,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:10:22,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:10:22,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:10:22,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:10:22,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:10:22,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:10:22,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:10:22,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:10:22,957 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3954f14-9b8d-4564-b542-531976893583/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:10:23,019 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:10:23,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:10:23,020 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:10:23,020 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:10:23,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:10:23,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:10:23,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:10:23,022 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:10:23,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:10:23,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:10:23,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:10:23,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:10:23,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:10:23,025 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:10:23,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:10:23,026 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:10:23,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:10:23,026 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:10:23,026 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:10:23,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:10:23,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:10:23,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:10:23,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:10:23,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:10:23,028 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:10:23,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:10:23,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:10:23,029 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_a3954f14-9b8d-4564-b542-531976893583/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3954f14-9b8d-4564-b542-531976893583/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fc7fd25ad986ebb2cd9cecfaa8466d8be84eaaa05d65b1e6c20f2161067ad5f [2022-11-21 23:10:23,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:10:23,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:10:23,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:10:23,431 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:10:23,432 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:10:23,434 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3954f14-9b8d-4564-b542-531976893583/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_15_bad.i [2022-11-21 23:10:26,592 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:10:27,024 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:10:27,024 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3954f14-9b8d-4564-b542-531976893583/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_15_bad.i [2022-11-21 23:10:27,050 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3954f14-9b8d-4564-b542-531976893583/bin/ukojak-jW3SillKbg/data/9fc7adfc4/aee115eedd9e4533ac3042e44f08df67/FLAG46278d1ec [2022-11-21 23:10:27,076 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3954f14-9b8d-4564-b542-531976893583/bin/ukojak-jW3SillKbg/data/9fc7adfc4/aee115eedd9e4533ac3042e44f08df67 [2022-11-21 23:10:27,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:10:27,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:10:27,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:10:27,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:10:27,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:10:27,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:10:27" (1/1) ... [2022-11-21 23:10:27,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a6c1e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:27, skipping insertion in model container [2022-11-21 23:10:27,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:10:27" (1/1) ... [2022-11-21 23:10:27,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:10:27,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:10:27,570 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:10:28,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:10:28,204 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:10:28,227 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:10:28,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:10:28,460 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:10:28,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:28 WrapperNode [2022-11-21 23:10:28,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:10:28,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:10:28,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:10:28,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:10:28,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:28" (1/1) ... [2022-11-21 23:10:28,510 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:28" (1/1) ... [2022-11-21 23:10:28,548 INFO L138 Inliner]: procedures = 499, calls = 58, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-11-21 23:10:28,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:10:28,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:10:28,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:10:28,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:10:28,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:28" (1/1) ... [2022-11-21 23:10:28,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:28" (1/1) ... [2022-11-21 23:10:28,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:28" (1/1) ... [2022-11-21 23:10:28,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:28" (1/1) ... [2022-11-21 23:10:28,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:28" (1/1) ... [2022-11-21 23:10:28,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:28" (1/1) ... [2022-11-21 23:10:28,596 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:28" (1/1) ... [2022-11-21 23:10:28,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:28" (1/1) ... [2022-11-21 23:10:28,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:10:28,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:10:28,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:10:28,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:10:28,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:28" (1/1) ... [2022-11-21 23:10:28,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:10:28,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3954f14-9b8d-4564-b542-531976893583/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:10:28,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3954f14-9b8d-4564-b542-531976893583/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:10:28,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3954f14-9b8d-4564-b542-531976893583/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:10:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:10:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:10:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:10:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:10:28,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:10:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:10:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:10:28,958 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:10:28,960 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:10:29,104 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:10:29,153 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:10:29,153 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:10:29,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:10:29 BoogieIcfgContainer [2022-11-21 23:10:29,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:10:29,167 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:10:29,167 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:10:29,177 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:10:29,178 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:10:29" (1/1) ... [2022-11-21 23:10:29,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:10:29,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:29,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2022-11-21 23:10:29,262 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-11-21 23:10:29,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:10:29,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:29,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:29,540 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 23:10:29,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:29,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2022-11-21 23:10:29,645 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2022-11-21 23:10:29,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:10:29,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:29,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:29,719 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 23:10:29,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:29,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 21 transitions. [2022-11-21 23:10:29,745 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-11-21 23:10:29,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:10:29,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:29,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:10:29,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:10:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:10:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:10:29,884 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:10:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:10:29,919 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-11-21 23:10:29,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:10:29 ImpRootNode [2022-11-21 23:10:29,980 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:10:29,981 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:10:29,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:10:29,982 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:10:29,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:10:29" (3/4) ... [2022-11-21 23:10:29,985 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 23:10:30,048 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3954f14-9b8d-4564-b542-531976893583/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:10:30,048 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:10:30,049 INFO L158 Benchmark]: Toolchain (without parser) took 2966.44ms. Allocated memory is still 209.7MB. Free memory was 179.4MB in the beginning and 137.7MB in the end (delta: 41.7MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2022-11-21 23:10:30,049 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 136.3MB. Free memory was 110.4MB in the beginning and 110.2MB in the end (delta: 177.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:10:30,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1375.84ms. Allocated memory is still 209.7MB. Free memory was 179.2MB in the beginning and 122.0MB in the end (delta: 57.2MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2022-11-21 23:10:30,050 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.18ms. Allocated memory is still 209.7MB. Free memory was 121.1MB in the beginning and 119.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:10:30,051 INFO L158 Benchmark]: Boogie Preprocessor took 50.61ms. Allocated memory is still 209.7MB. Free memory was 119.0MB in the beginning and 116.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:10:30,051 INFO L158 Benchmark]: RCFGBuilder took 555.91ms. Allocated memory is still 209.7MB. Free memory was 116.9MB in the beginning and 170.2MB in the end (delta: -53.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:10:30,052 INFO L158 Benchmark]: CodeCheck took 813.60ms. Allocated memory is still 209.7MB. Free memory was 170.2MB in the beginning and 139.8MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-21 23:10:30,054 INFO L158 Benchmark]: Witness Printer took 66.97ms. Allocated memory is still 209.7MB. Free memory was 139.8MB in the beginning and 137.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:10:30,057 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 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 35 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 162 GetRequests, 158 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, 0.2s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1566]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [\old(argc)=13, argc=13, argv={14:12}, argv={14:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE191_Integer_Underflow__int_min_multiply_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1555] data = (-0x7fffffff - 1) VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] case 7: VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE data < 0 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] data * 2 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 136.3MB. Free memory was 110.4MB in the beginning and 110.2MB in the end (delta: 177.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1375.84ms. Allocated memory is still 209.7MB. Free memory was 179.2MB in the beginning and 122.0MB in the end (delta: 57.2MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.18ms. Allocated memory is still 209.7MB. Free memory was 121.1MB in the beginning and 119.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.61ms. Allocated memory is still 209.7MB. Free memory was 119.0MB in the beginning and 116.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 555.91ms. Allocated memory is still 209.7MB. Free memory was 116.9MB in the beginning and 170.2MB in the end (delta: -53.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 813.60ms. Allocated memory is still 209.7MB. Free memory was 170.2MB in the beginning and 139.8MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 66.97ms. Allocated memory is still 209.7MB. Free memory was 139.8MB in the beginning and 137.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2022-11-21 23:10:30,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3954f14-9b8d-4564-b542-531976893583/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)