./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_02_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d09252-6abc-47a5-9a2a-2b1614e51cac/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d09252-6abc-47a5-9a2a-2b1614e51cac/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d09252-6abc-47a5-9a2a-2b1614e51cac/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d09252-6abc-47a5-9a2a-2b1614e51cac/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d09252-6abc-47a5-9a2a-2b1614e51cac/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d09252-6abc-47a5-9a2a-2b1614e51cac/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2f630c633cb5772edb78f26593604320777788c294984e89941584dfe6350012 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:09:30,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:09:30,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:09:30,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:09:30,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:09:30,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:09:30,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:09:30,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:09:30,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:09:30,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:09:30,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:09:30,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:09:30,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:09:30,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:09:30,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:09:30,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:09:30,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:09:30,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:09:30,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:09:30,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:09:30,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:09:30,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:09:30,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:09:30,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:09:30,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:09:30,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:09:30,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:09:30,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:09:30,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:09:30,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:09:30,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:09:30,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:09:30,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:09:30,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:09:30,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:09:30,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:09:30,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:09:30,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:09:30,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:09:30,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:09:30,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:09:30,765 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d09252-6abc-47a5-9a2a-2b1614e51cac/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:09:30,785 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:09:30,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:09:30,787 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:09:30,787 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:09:30,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:09:30,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:09:30,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:09:30,789 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:09:30,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:09:30,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:09:30,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:09:30,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:09:30,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:09:30,790 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:09:30,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:09:30,791 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:09:30,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:09:30,791 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:09:30,792 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:09:30,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:09:30,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:09:30,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:09:30,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:09:30,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:09:30,793 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:09:30,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:09:30,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:09:30,794 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_d0d09252-6abc-47a5-9a2a-2b1614e51cac/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d09252-6abc-47a5-9a2a-2b1614e51cac/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f630c633cb5772edb78f26593604320777788c294984e89941584dfe6350012 [2022-11-20 18:09:31,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:09:31,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:09:31,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:09:31,065 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:09:31,065 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:09:31,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d09252-6abc-47a5-9a2a-2b1614e51cac/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_02_bad.i [2022-11-20 18:09:34,042 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:09:34,455 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:09:34,456 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d09252-6abc-47a5-9a2a-2b1614e51cac/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_02_bad.i [2022-11-20 18:09:34,476 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d09252-6abc-47a5-9a2a-2b1614e51cac/bin/ukojak-pZX7IvK2PQ/data/8e8738d7c/d9fd0e4d48fe474f882bafd4ad5d41ec/FLAG68c43fce0 [2022-11-20 18:09:34,493 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d09252-6abc-47a5-9a2a-2b1614e51cac/bin/ukojak-pZX7IvK2PQ/data/8e8738d7c/d9fd0e4d48fe474f882bafd4ad5d41ec [2022-11-20 18:09:34,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:09:34,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:09:34,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:09:34,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:09:34,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:09:34,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:09:34" (1/1) ... [2022-11-20 18:09:34,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f5e829c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:34, skipping insertion in model container [2022-11-20 18:09:34,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:09:34" (1/1) ... [2022-11-20 18:09:34,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:09:34,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:09:34,990 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:09:35,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:09:35,566 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:09:35,599 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:09:35,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:09:35,862 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:09:35,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:35 WrapperNode [2022-11-20 18:09:35,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:09:35,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:09:35,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:09:35,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:09:35,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:35" (1/1) ... [2022-11-20 18:09:35,906 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:35" (1/1) ... [2022-11-20 18:09:35,935 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 39 [2022-11-20 18:09:35,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:09:35,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:09:35,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:09:35,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:09:35,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:35" (1/1) ... [2022-11-20 18:09:35,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:35" (1/1) ... [2022-11-20 18:09:35,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:35" (1/1) ... [2022-11-20 18:09:35,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:35" (1/1) ... [2022-11-20 18:09:35,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:35" (1/1) ... [2022-11-20 18:09:35,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:35" (1/1) ... [2022-11-20 18:09:35,957 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:35" (1/1) ... [2022-11-20 18:09:35,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:35" (1/1) ... [2022-11-20 18:09:35,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:09:35,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:09:35,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:09:35,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:09:35,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:35" (1/1) ... [2022-11-20 18:09:35,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:09:35,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d09252-6abc-47a5-9a2a-2b1614e51cac/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:09:35,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d09252-6abc-47a5-9a2a-2b1614e51cac/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:09:36,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d09252-6abc-47a5-9a2a-2b1614e51cac/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:09:36,037 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:09:36,037 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:09:36,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:09:36,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:09:36,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:09:36,038 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:09:36,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:09:36,187 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:09:36,189 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:09:36,347 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:09:36,401 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:09:36,401 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 18:09:36,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:09:36 BoogieIcfgContainer [2022-11-20 18:09:36,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:09:36,405 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:09:36,405 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:09:36,416 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:09:36,431 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:09:36" (1/1) ... [2022-11-20 18:09:36,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:09:36,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:09:36,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-11-20 18:09:36,530 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-20 18:09:36,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:09:36,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:09:36,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:09:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:09:36,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:09:36,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:09:36,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-11-20 18:09:36,900 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-11-20 18:09:36,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:09:36,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:09:36,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:09:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:09:36,951 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:09:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:09:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:09:37,012 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:09:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:09:37,040 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 18:09:37,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:09:37 ImpRootNode [2022-11-20 18:09:37,069 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:09:37,070 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:09:37,070 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:09:37,071 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:09:37,071 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:09:36" (3/4) ... [2022-11-20 18:09:37,073 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 18:09:37,127 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d09252-6abc-47a5-9a2a-2b1614e51cac/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:09:37,133 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:09:37,134 INFO L158 Benchmark]: Toolchain (without parser) took 2631.99ms. Allocated memory is still 155.2MB. Free memory was 111.1MB in the beginning and 107.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2022-11-20 18:09:37,134 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 113.2MB. Free memory was 60.0MB in the beginning and 59.9MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:09:37,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1357.57ms. Allocated memory is still 155.2MB. Free memory was 110.8MB in the beginning and 92.6MB in the end (delta: 18.3MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2022-11-20 18:09:37,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.92ms. Allocated memory is still 155.2MB. Free memory was 92.6MB in the beginning and 90.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:09:37,142 INFO L158 Benchmark]: Boogie Preprocessor took 24.33ms. Allocated memory is still 155.2MB. Free memory was 90.0MB in the beginning and 88.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:09:37,143 INFO L158 Benchmark]: RCFGBuilder took 442.93ms. Allocated memory is still 155.2MB. Free memory was 88.4MB in the beginning and 75.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 18:09:37,143 INFO L158 Benchmark]: CodeCheck took 664.47ms. Allocated memory is still 155.2MB. Free memory was 75.4MB in the beginning and 109.9MB in the end (delta: -34.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:09:37,144 INFO L158 Benchmark]: Witness Printer took 62.71ms. Allocated memory is still 155.2MB. Free memory was 109.9MB in the beginning and 107.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:09:37,147 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: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 4 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 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, 0.0s 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: 1560]: 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); [L1568] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_min_multiply_02_bad() [L1550] int data; [L1551] data = 0 [L1554] 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] [L1558] 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] [L1560] 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 0.57ms. Allocated memory is still 113.2MB. Free memory was 60.0MB in the beginning and 59.9MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1357.57ms. Allocated memory is still 155.2MB. Free memory was 110.8MB in the beginning and 92.6MB in the end (delta: 18.3MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.92ms. Allocated memory is still 155.2MB. Free memory was 92.6MB in the beginning and 90.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.33ms. Allocated memory is still 155.2MB. Free memory was 90.0MB in the beginning and 88.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 442.93ms. Allocated memory is still 155.2MB. Free memory was 88.4MB in the beginning and 75.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 664.47ms. Allocated memory is still 155.2MB. Free memory was 75.4MB in the beginning and 109.9MB in the end (delta: -34.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 62.71ms. Allocated memory is still 155.2MB. Free memory was 109.9MB in the beginning and 107.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 18:09:37,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d09252-6abc-47a5-9a2a-2b1614e51cac/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)