./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_65_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_130fffc9-12ac-4d3d-8522-8849a91420ed/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130fffc9-12ac-4d3d-8522-8849a91420ed/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_130fffc9-12ac-4d3d-8522-8849a91420ed/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130fffc9-12ac-4d3d-8522-8849a91420ed/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130fffc9-12ac-4d3d-8522-8849a91420ed/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_130fffc9-12ac-4d3d-8522-8849a91420ed/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 31db06b503bd4f4fad64c27587d1a915a24882d6f283b296c9528d3ffe43a5d1 --- 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 16:56:07,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:56:07,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:56:07,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:56:07,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:56:07,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:56:07,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:56:07,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:56:07,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:56:07,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:56:07,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:56:07,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:56:07,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:56:07,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:56:07,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:56:07,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:56:07,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:56:07,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:56:07,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:56:07,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:56:07,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:56:07,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:56:07,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:56:07,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:56:07,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:56:07,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:56:07,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:56:07,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:56:07,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:56:07,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:56:07,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:56:07,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:56:07,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:56:07,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:56:07,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:56:07,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:56:07,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:56:07,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:56:07,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:56:07,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:56:07,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:56:07,500 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130fffc9-12ac-4d3d-8522-8849a91420ed/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:56:07,526 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:56:07,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:56:07,528 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:56:07,528 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:56:07,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:56:07,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:56:07,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:56:07,529 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:56:07,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:56:07,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:56:07,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:56:07,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:56:07,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:56:07,530 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:56:07,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:56:07,531 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:56:07,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:56:07,531 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:56:07,532 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:56:07,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:56:07,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:56:07,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:56:07,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:56:07,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:56:07,533 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:56:07,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:56:07,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:56:07,534 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_130fffc9-12ac-4d3d-8522-8849a91420ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130fffc9-12ac-4d3d-8522-8849a91420ed/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31db06b503bd4f4fad64c27587d1a915a24882d6f283b296c9528d3ffe43a5d1 [2022-11-20 16:56:07,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:56:07,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:56:07,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:56:07,787 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:56:07,788 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:56:07,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130fffc9-12ac-4d3d-8522-8849a91420ed/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_65_bad.i [2022-11-20 16:56:10,905 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:56:11,253 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:56:11,254 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130fffc9-12ac-4d3d-8522-8849a91420ed/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_65_bad.i [2022-11-20 16:56:11,287 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130fffc9-12ac-4d3d-8522-8849a91420ed/bin/ukojak-pZX7IvK2PQ/data/cf4bcea04/debe0b48dbb244fdab496f505487c77b/FLAGe8acf1900 [2022-11-20 16:56:11,309 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130fffc9-12ac-4d3d-8522-8849a91420ed/bin/ukojak-pZX7IvK2PQ/data/cf4bcea04/debe0b48dbb244fdab496f505487c77b [2022-11-20 16:56:11,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:56:11,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:56:11,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:56:11,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:56:11,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:56:11,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:56:11" (1/1) ... [2022-11-20 16:56:11,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@577ba3d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:11, skipping insertion in model container [2022-11-20 16:56:11,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:56:11" (1/1) ... [2022-11-20 16:56:11,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:56:11,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:56:11,837 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:56:12,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:56:12,461 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:56:12,495 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:56:12,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:56:12,707 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:56:12,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:12 WrapperNode [2022-11-20 16:56:12,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:56:12,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:56:12,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:56:12,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:56:12,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:12" (1/1) ... [2022-11-20 16:56:12,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:12" (1/1) ... [2022-11-20 16:56:12,762 INFO L138 Inliner]: procedures = 501, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 43 [2022-11-20 16:56:12,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:56:12,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:56:12,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:56:12,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:56:12,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:12" (1/1) ... [2022-11-20 16:56:12,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:12" (1/1) ... [2022-11-20 16:56:12,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:12" (1/1) ... [2022-11-20 16:56:12,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:12" (1/1) ... [2022-11-20 16:56:12,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:12" (1/1) ... [2022-11-20 16:56:12,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:12" (1/1) ... [2022-11-20 16:56:12,784 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:12" (1/1) ... [2022-11-20 16:56:12,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:12" (1/1) ... [2022-11-20 16:56:12,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:56:12,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:56:12,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:56:12,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:56:12,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:12" (1/1) ... [2022-11-20 16:56:12,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:56:12,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130fffc9-12ac-4d3d-8522-8849a91420ed/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:56:12,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130fffc9-12ac-4d3d-8522-8849a91420ed/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:56:12,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130fffc9-12ac-4d3d-8522-8849a91420ed/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:56:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:56:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:56:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:56:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:56:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:56:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:56:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:56:13,009 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:56:13,011 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:56:13,124 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:56:13,165 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:56:13,166 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:56:13,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:56:13 BoogieIcfgContainer [2022-11-20 16:56:13,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:56:13,169 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:56:13,169 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:56:13,196 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:56:13,196 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:56:13" (1/1) ... [2022-11-20 16:56:13,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:56:13,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:13,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-11-20 16:56:13,263 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-20 16:56:13,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:56:13,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:13,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:13,556 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 16:56:13,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:13,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-11-20 16:56:13,593 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-20 16:56:13,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:56:13,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:13,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:56:13,625 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:56:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:56:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:56:13,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:56:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:56:13,741 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 16:56:13,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:56:13 ImpRootNode [2022-11-20 16:56:13,785 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:56:13,786 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:56:13,787 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:56:13,788 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:56:13,788 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:56:13" (3/4) ... [2022-11-20 16:56:13,790 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 16:56:13,899 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130fffc9-12ac-4d3d-8522-8849a91420ed/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:56:13,899 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:56:13,900 INFO L158 Benchmark]: Toolchain (without parser) took 2582.84ms. Allocated memory is still 180.4MB. Free memory was 138.9MB in the beginning and 143.3MB in the end (delta: -4.4MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. [2022-11-20 16:56:13,901 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:56:13,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1387.44ms. Allocated memory is still 180.4MB. Free memory was 138.4MB in the beginning and 122.6MB in the end (delta: 15.8MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2022-11-20 16:56:13,908 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.54ms. Allocated memory is still 180.4MB. Free memory was 122.6MB in the beginning and 120.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:56:13,909 INFO L158 Benchmark]: Boogie Preprocessor took 25.05ms. Allocated memory is still 180.4MB. Free memory was 120.1MB in the beginning and 118.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:56:13,909 INFO L158 Benchmark]: RCFGBuilder took 380.15ms. Allocated memory is still 180.4MB. Free memory was 118.4MB in the beginning and 105.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 16:56:13,910 INFO L158 Benchmark]: CodeCheck took 615.89ms. Allocated memory is still 180.4MB. Free memory was 105.4MB in the beginning and 81.5MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 16:56:13,910 INFO L158 Benchmark]: Witness Printer took 113.69ms. Allocated memory is still 180.4MB. Free memory was 81.5MB in the beginning and 143.3MB in the end (delta: -61.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2022-11-20 16:56:13,913 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: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 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, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 7 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 40 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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: 1569]: 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); [L1560] 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) [L1560] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={14:13}, argv={14:13}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL CWE191_Integer_Underflow__int_min_multiply_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_min_multiply_65b_badSink; [L1553] data = 0 [L1554] data = (-0x7fffffff - 1) [L1555] CALL funcPtr(data) [L1567] COND TRUE data < 0 VAL [\old(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] [L1569] data * 2 VAL [\old(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 0.30ms. Allocated memory is still 134.2MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1387.44ms. Allocated memory is still 180.4MB. Free memory was 138.4MB in the beginning and 122.6MB in the end (delta: 15.8MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.54ms. Allocated memory is still 180.4MB. Free memory was 122.6MB in the beginning and 120.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.05ms. Allocated memory is still 180.4MB. Free memory was 120.1MB in the beginning and 118.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.15ms. Allocated memory is still 180.4MB. Free memory was 118.4MB in the beginning and 105.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 615.89ms. Allocated memory is still 180.4MB. Free memory was 105.4MB in the beginning and 81.5MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 113.69ms. Allocated memory is still 180.4MB. Free memory was 81.5MB in the beginning and 143.3MB in the end (delta: -61.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 16:56:13,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130fffc9-12ac-4d3d-8522-8849a91420ed/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)