./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_68_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_f9048382-4d4b-4f5b-ae82-8083f8327720/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9048382-4d4b-4f5b-ae82-8083f8327720/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_f9048382-4d4b-4f5b-ae82-8083f8327720/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9048382-4d4b-4f5b-ae82-8083f8327720/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9048382-4d4b-4f5b-ae82-8083f8327720/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_f9048382-4d4b-4f5b-ae82-8083f8327720/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 6a7b38d04b99d26ae2cd3e17b023301d6b7cdcd61d0b375d76d9a5c41f6c2a80 --- 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 18:10:39,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:10:39,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:10:39,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:10:39,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:10:39,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:10:39,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:10:39,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:10:39,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:10:39,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:10:39,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:10:39,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:10:39,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:10:39,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:10:39,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:10:39,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:10:39,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:10:39,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:10:39,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:10:39,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:10:39,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:10:39,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:10:39,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:10:39,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:10:40,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:10:40,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:10:40,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:10:40,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:10:40,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:10:40,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:10:40,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:10:40,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:10:40,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:10:40,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:10:40,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:10:40,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:10:40,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:10:40,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:10:40,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:10:40,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:10:40,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:10:40,016 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9048382-4d4b-4f5b-ae82-8083f8327720/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:10:40,055 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:10:40,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:10:40,057 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:10:40,057 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:10:40,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:10:40,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:10:40,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:10:40,058 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:10:40,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:10:40,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:10:40,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:10:40,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:10:40,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:10:40,061 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:10:40,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:10:40,061 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:10:40,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:10:40,062 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:10:40,062 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:10:40,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:10:40,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:10:40,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:10:40,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:10:40,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:10:40,063 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:10:40,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:10:40,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:10:40,064 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_f9048382-4d4b-4f5b-ae82-8083f8327720/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9048382-4d4b-4f5b-ae82-8083f8327720/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a7b38d04b99d26ae2cd3e17b023301d6b7cdcd61d0b375d76d9a5c41f6c2a80 [2022-11-20 18:10:40,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:10:40,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:10:40,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:10:40,330 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:10:40,331 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:10:40,332 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9048382-4d4b-4f5b-ae82-8083f8327720/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_68_bad.i [2022-11-20 18:10:43,312 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:10:43,801 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:10:43,801 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9048382-4d4b-4f5b-ae82-8083f8327720/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_68_bad.i [2022-11-20 18:10:43,831 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9048382-4d4b-4f5b-ae82-8083f8327720/bin/ukojak-pZX7IvK2PQ/data/c371c1a18/d7399bfe45694ccdb29635fa42f726e5/FLAG1f5a8ff6a [2022-11-20 18:10:43,846 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9048382-4d4b-4f5b-ae82-8083f8327720/bin/ukojak-pZX7IvK2PQ/data/c371c1a18/d7399bfe45694ccdb29635fa42f726e5 [2022-11-20 18:10:43,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:10:43,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:10:43,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:10:43,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:10:43,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:10:43,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:10:43" (1/1) ... [2022-11-20 18:10:43,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a610ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:43, skipping insertion in model container [2022-11-20 18:10:43,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:10:43" (1/1) ... [2022-11-20 18:10:43,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:10:43,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:10:44,361 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:10:44,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:10:44,974 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:10:45,007 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:10:45,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:10:45,265 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:10:45,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:45 WrapperNode [2022-11-20 18:10:45,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:10:45,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:10:45,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:10:45,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:10:45,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:45" (1/1) ... [2022-11-20 18:10:45,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:45" (1/1) ... [2022-11-20 18:10:45,341 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 43 [2022-11-20 18:10:45,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:10:45,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:10:45,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:10:45,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:10:45,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:45" (1/1) ... [2022-11-20 18:10:45,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:45" (1/1) ... [2022-11-20 18:10:45,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:45" (1/1) ... [2022-11-20 18:10:45,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:45" (1/1) ... [2022-11-20 18:10:45,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:45" (1/1) ... [2022-11-20 18:10:45,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:45" (1/1) ... [2022-11-20 18:10:45,377 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:45" (1/1) ... [2022-11-20 18:10:45,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:45" (1/1) ... [2022-11-20 18:10:45,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:10:45,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:10:45,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:10:45,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:10:45,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:45" (1/1) ... [2022-11-20 18:10:45,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:10:45,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9048382-4d4b-4f5b-ae82-8083f8327720/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:10:45,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9048382-4d4b-4f5b-ae82-8083f8327720/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:10:45,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9048382-4d4b-4f5b-ae82-8083f8327720/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:10:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:10:45,468 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:10:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:10:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:10:45,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:10:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:10:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:10:45,666 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:10:45,684 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:10:45,806 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:10:45,861 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:10:45,861 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:10:45,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:10:45 BoogieIcfgContainer [2022-11-20 18:10:45,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:10:45,864 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:10:45,865 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:10:45,875 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:10:45,875 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:10:45" (1/1) ... [2022-11-20 18:10:45,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:10:45,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:45,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-20 18:10:45,948 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-20 18:10:45,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:10:45,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:45,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:46,307 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 18:10:46,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:46,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-11-20 18:10:46,371 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-11-20 18:10:46,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:10:46,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:46,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:10:46,410 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:10:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:10:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:10:46,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:10:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:10:46,542 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 18:10:46,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:10:46 ImpRootNode [2022-11-20 18:10:46,587 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:10:46,588 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:10:46,588 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:10:46,588 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:10:46,589 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:10:45" (3/4) ... [2022-11-20 18:10:46,593 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 18:10:46,658 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9048382-4d4b-4f5b-ae82-8083f8327720/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:10:46,658 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:10:46,659 INFO L158 Benchmark]: Toolchain (without parser) took 2805.60ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 91.2MB in the beginning and 67.6MB in the end (delta: 23.6MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2022-11-20 18:10:46,659 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 104.9MB. Free memory is still 56.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:10:46,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1411.67ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 91.2MB in the beginning and 112.7MB in the end (delta: -21.5MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2022-11-20 18:10:46,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.80ms. Allocated memory is still 165.7MB. Free memory was 112.7MB in the beginning and 109.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:10:46,661 INFO L158 Benchmark]: Boogie Preprocessor took 37.88ms. Allocated memory is still 165.7MB. Free memory was 109.6MB in the beginning and 108.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:10:46,662 INFO L158 Benchmark]: RCFGBuilder took 481.98ms. Allocated memory is still 165.7MB. Free memory was 108.5MB in the beginning and 94.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 18:10:46,663 INFO L158 Benchmark]: CodeCheck took 722.45ms. Allocated memory is still 165.7MB. Free memory was 94.9MB in the beginning and 69.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 18:10:46,663 INFO L158 Benchmark]: Witness Printer took 70.48ms. Allocated memory is still 165.7MB. Free memory was 69.7MB in the beginning and 67.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:10:46,667 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, 12 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, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 5 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, 5 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 33 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, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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: 1575]: 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_68_badData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_postdec_68_badData=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) [L1563] RET printLine("Calling bad()...") VAL [\old(argc)=13, argc=13, argv={14:12}, argv={14:12}, CWE191_Integer_Underflow__int_min_postdec_68_badData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_min_postdec_68_bad() [L1554] int data; [L1555] data = 0 [L1556] data = (-0x7fffffff - 1) [L1557] CWE191_Integer_Underflow__int_min_postdec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_min_postdec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_min_postdec_68_badData; [L1575] data-- VAL [CWE191_Integer_Underflow__int_min_postdec_68_badData=-2147483648, 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 0.57ms. Allocated memory is still 104.9MB. Free memory is still 56.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1411.67ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 91.2MB in the beginning and 112.7MB in the end (delta: -21.5MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.80ms. Allocated memory is still 165.7MB. Free memory was 112.7MB in the beginning and 109.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.88ms. Allocated memory is still 165.7MB. Free memory was 109.6MB in the beginning and 108.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 481.98ms. Allocated memory is still 165.7MB. Free memory was 108.5MB in the beginning and 94.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 722.45ms. Allocated memory is still 165.7MB. Free memory was 94.9MB in the beginning and 69.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 70.48ms. Allocated memory is still 165.7MB. Free memory was 69.7MB in the beginning and 67.6MB 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! [2022-11-20 18:10:46,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9048382-4d4b-4f5b-ae82-8083f8327720/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)