./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_22_bad.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_bc905f1a-d423-46aa-88d3-e4cf1f2d3a23/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc905f1a-d423-46aa-88d3-e4cf1f2d3a23/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_bc905f1a-d423-46aa-88d3-e4cf1f2d3a23/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc905f1a-d423-46aa-88d3-e4cf1f2d3a23/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc905f1a-d423-46aa-88d3-e4cf1f2d3a23/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_bc905f1a-d423-46aa-88d3-e4cf1f2d3a23/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 25fa0e6354778d9bf6043ba1828a0f6cdd12fa9f392aa73afb53c1dd9cdb5399 --- 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 22:18:00,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:18:00,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:18:00,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:18:00,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:18:00,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:18:00,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:18:00,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:18:00,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:18:00,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:18:00,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:18:00,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:18:00,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:18:00,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:18:00,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:18:00,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:18:00,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:18:00,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:18:00,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:18:00,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:18:00,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:18:01,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:18:01,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:18:01,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:18:01,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:18:01,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:18:01,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:18:01,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:18:01,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:18:01,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:18:01,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:18:01,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:18:01,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:18:01,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:18:01,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:18:01,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:18:01,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:18:01,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:18:01,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:18:01,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:18:01,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:18:01,027 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc905f1a-d423-46aa-88d3-e4cf1f2d3a23/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:18:01,067 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:18:01,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:18:01,068 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:18:01,069 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:18:01,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:18:01,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:18:01,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:18:01,070 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:18:01,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:18:01,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:18:01,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:18:01,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:18:01,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:18:01,071 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:18:01,071 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:18:01,071 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:18:01,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:18:01,072 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:18:01,072 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:18:01,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:18:01,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:18:01,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:18:01,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:18:01,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:18:01,073 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:18:01,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:18:01,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:18:01,074 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_bc905f1a-d423-46aa-88d3-e4cf1f2d3a23/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc905f1a-d423-46aa-88d3-e4cf1f2d3a23/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25fa0e6354778d9bf6043ba1828a0f6cdd12fa9f392aa73afb53c1dd9cdb5399 [2022-11-21 22:18:01,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:18:01,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:18:01,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:18:01,361 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:18:01,362 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:18:01,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc905f1a-d423-46aa-88d3-e4cf1f2d3a23/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_22_bad.i [2022-11-21 22:18:04,669 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:18:05,150 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:18:05,151 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc905f1a-d423-46aa-88d3-e4cf1f2d3a23/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_22_bad.i [2022-11-21 22:18:05,186 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc905f1a-d423-46aa-88d3-e4cf1f2d3a23/bin/ukojak-jW3SillKbg/data/3dc6dc4a4/90959b4c61f04bf1ba413a9ed9e9f386/FLAG47c7e8e69 [2022-11-21 22:18:05,204 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc905f1a-d423-46aa-88d3-e4cf1f2d3a23/bin/ukojak-jW3SillKbg/data/3dc6dc4a4/90959b4c61f04bf1ba413a9ed9e9f386 [2022-11-21 22:18:05,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:18:05,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:18:05,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:18:05,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:18:05,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:18:05,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:18:05" (1/1) ... [2022-11-21 22:18:05,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ee3930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:05, skipping insertion in model container [2022-11-21 22:18:05,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:18:05" (1/1) ... [2022-11-21 22:18:05,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:18:05,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:18:05,709 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:18:06,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:18:06,465 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:18:06,535 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:18:06,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:18:06,779 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:18:06,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:06 WrapperNode [2022-11-21 22:18:06,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:18:06,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:18:06,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:18:06,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:18:06,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:06" (1/1) ... [2022-11-21 22:18:06,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:06" (1/1) ... [2022-11-21 22:18:06,855 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2022-11-21 22:18:06,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:18:06,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:18:06,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:18:06,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:18:06,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:06" (1/1) ... [2022-11-21 22:18:06,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:06" (1/1) ... [2022-11-21 22:18:06,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:06" (1/1) ... [2022-11-21 22:18:06,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:06" (1/1) ... [2022-11-21 22:18:06,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:06" (1/1) ... [2022-11-21 22:18:06,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:06" (1/1) ... [2022-11-21 22:18:06,881 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:06" (1/1) ... [2022-11-21 22:18:06,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:06" (1/1) ... [2022-11-21 22:18:06,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:18:06,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:18:06,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:18:06,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:18:06,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:06" (1/1) ... [2022-11-21 22:18:06,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:18:06,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc905f1a-d423-46aa-88d3-e4cf1f2d3a23/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:18:06,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc905f1a-d423-46aa-88d3-e4cf1f2d3a23/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:18:06,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc905f1a-d423-46aa-88d3-e4cf1f2d3a23/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:18:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:18:06,992 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:18:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:18:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:18:06,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:18:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:18:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:18:07,153 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:18:07,156 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:18:07,365 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:18:07,420 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:18:07,420 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:18:07,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:18:07 BoogieIcfgContainer [2022-11-21 22:18:07,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:18:07,425 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:18:07,425 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:18:07,437 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:18:07,437 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:18:07" (1/1) ... [2022-11-21 22:18:07,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:18:07,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:18:07,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-11-21 22:18:07,508 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-21 22:18:07,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:18:07,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:18:07,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:18:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:18:07,924 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 22:18:08,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:18:08,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-11-21 22:18:08,028 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-21 22:18:08,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:18:08,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:18:08,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:18:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:18:08,060 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:18:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:18:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:18:08,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:18:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:18:08,192 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-21 22:18:08,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:18:08 ImpRootNode [2022-11-21 22:18:08,237 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:18:08,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:18:08,238 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:18:08,239 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:18:08,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:18:07" (3/4) ... [2022-11-21 22:18:08,251 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 22:18:08,297 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc905f1a-d423-46aa-88d3-e4cf1f2d3a23/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:18:08,298 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:18:08,299 INFO L158 Benchmark]: Toolchain (without parser) took 3089.35ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 87.7MB in the beginning and 139.0MB in the end (delta: -51.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2022-11-21 22:18:08,299 INFO L158 Benchmark]: CDTParser took 1.52ms. Allocated memory is still 136.3MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:18:08,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1568.43ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 87.4MB in the beginning and 126.3MB in the end (delta: -38.9MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2022-11-21 22:18:08,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.22ms. Allocated memory is still 197.1MB. Free memory was 126.3MB in the beginning and 123.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:18:08,302 INFO L158 Benchmark]: Boogie Preprocessor took 29.02ms. Allocated memory is still 197.1MB. Free memory was 123.4MB in the beginning and 122.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:18:08,303 INFO L158 Benchmark]: RCFGBuilder took 537.76ms. Allocated memory is still 197.1MB. Free memory was 122.1MB in the beginning and 108.2MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 22:18:08,303 INFO L158 Benchmark]: CodeCheck took 812.84ms. Allocated memory is still 197.1MB. Free memory was 108.2MB in the beginning and 141.1MB in the end (delta: -32.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:18:08,304 INFO L158 Benchmark]: Witness Printer took 59.60ms. Allocated memory is still 197.1MB. Free memory was 141.1MB in the beginning and 139.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:18:08,308 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 7 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 1572]: 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); [L1548] int CWE191_Integer_Underflow__int_min_postdec_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=13, argc=13, argv={14:12}, argv={14:12}, CWE191_Integer_Underflow__int_min_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_min_postdec_22_bad() [L1552] int data; [L1553] data = 0 [L1554] data = (-0x7fffffff - 1) [L1555] CWE191_Integer_Underflow__int_min_postdec_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_min_postdec_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_min_postdec_22_badGlobal) [L1572] data-- VAL [\old(data)=-2147483648, CWE191_Integer_Underflow__int_min_postdec_22_badGlobal=1, data=-2147483648, 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 1.52ms. Allocated memory is still 136.3MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1568.43ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 87.4MB in the beginning and 126.3MB in the end (delta: -38.9MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.22ms. Allocated memory is still 197.1MB. Free memory was 126.3MB in the beginning and 123.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.02ms. Allocated memory is still 197.1MB. Free memory was 123.4MB in the beginning and 122.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 537.76ms. Allocated memory is still 197.1MB. Free memory was 122.1MB in the beginning and 108.2MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 812.84ms. Allocated memory is still 197.1MB. Free memory was 108.2MB in the beginning and 141.1MB in the end (delta: -32.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 59.60ms. Allocated memory is still 197.1MB. Free memory was 141.1MB in the beginning and 139.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-21 22:18:08,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc905f1a-d423-46aa-88d3-e4cf1f2d3a23/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)