./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash aa8ec24a529b9708a4114d222c12978bf5bdc2ac2c4c1795c91ce64eb68dd2d4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:45:43,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:45:43,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:45:43,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:45:43,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:45:43,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:45:43,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:45:43,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:45:43,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:45:43,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:45:43,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:45:43,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:45:43,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:45:43,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:45:43,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:45:43,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:45:43,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:45:43,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:45:43,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:45:43,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:45:43,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:45:43,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:45:43,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:45:43,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:45:43,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:45:43,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:45:43,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:45:43,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:45:43,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:45:43,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:45:43,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:45:43,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:45:43,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:45:43,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:45:43,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:45:43,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:45:43,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:45:43,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:45:43,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:45:43,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:45:43,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:45:43,993 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:45:44,024 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:45:44,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:45:44,031 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:45:44,032 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:45:44,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:45:44,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:45:44,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:45:44,033 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:45:44,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:45:44,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:45:44,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:45:44,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:45:44,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:45:44,036 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:45:44,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:45:44,036 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:45:44,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:45:44,037 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:45:44,037 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:45:44,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:45:44,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:45:44,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:45:44,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:45:44,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:45:44,038 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:45:44,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:45:44,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:45:44,039 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_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa8ec24a529b9708a4114d222c12978bf5bdc2ac2c4c1795c91ce64eb68dd2d4 [2022-11-21 22:45:44,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:45:44,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:45:44,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:45:44,374 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:45:44,375 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:45:44,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_bad.i [2022-11-21 22:45:47,489 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:45:47,940 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:45:47,941 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_bad.i [2022-11-21 22:45:47,972 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/data/06879cf35/de78e225fb9d4eb4bbc5d39afb2b634b/FLAGea7a243e3 [2022-11-21 22:45:47,994 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/data/06879cf35/de78e225fb9d4eb4bbc5d39afb2b634b [2022-11-21 22:45:47,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:45:48,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:45:48,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:45:48,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:45:48,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:45:48,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:45:47" (1/1) ... [2022-11-21 22:45:48,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@779ebf7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:48, skipping insertion in model container [2022-11-21 22:45:48,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:45:47" (1/1) ... [2022-11-21 22:45:48,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:45:48,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:45:48,538 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:45:49,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:45:49,111 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:45:49,151 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:45:49,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:45:49,347 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:45:49,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:49 WrapperNode [2022-11-21 22:45:49,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:45:49,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:45:49,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:45:49,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:45:49,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:49" (1/1) ... [2022-11-21 22:45:49,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:49" (1/1) ... [2022-11-21 22:45:49,412 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2022-11-21 22:45:49,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:45:49,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:45:49,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:45:49,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:45:49,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:49" (1/1) ... [2022-11-21 22:45:49,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:49" (1/1) ... [2022-11-21 22:45:49,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:49" (1/1) ... [2022-11-21 22:45:49,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:49" (1/1) ... [2022-11-21 22:45:49,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:49" (1/1) ... [2022-11-21 22:45:49,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:49" (1/1) ... [2022-11-21 22:45:49,470 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:49" (1/1) ... [2022-11-21 22:45:49,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:49" (1/1) ... [2022-11-21 22:45:49,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:45:49,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:45:49,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:45:49,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:45:49,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:49" (1/1) ... [2022-11-21 22:45:49,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:45:49,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:45:49,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:45:49,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:45:49,575 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:45:49,576 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:45:49,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:45:49,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:45:49,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:45:49,577 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:45:49,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:45:49,729 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:45:49,732 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:45:49,942 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:45:50,128 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:45:50,128 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 22:45:50,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:45:50 BoogieIcfgContainer [2022-11-21 22:45:50,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:45:50,147 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:45:50,148 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:45:50,160 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:45:50,161 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:45:50" (1/1) ... [2022-11-21 22:45:50,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:45:50,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:50,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2022-11-21 22:45:50,225 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-11-21 22:45:50,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:45:50,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:50,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:50,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:45:50,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:50,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2022-11-21 22:45:50,750 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-11-21 22:45:50,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:45:50,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:50,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:50,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:45:50,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:50,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2022-11-21 22:45:50,983 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-21 22:45:50,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:45:50,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:50,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:51,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:45:51,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:51,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2022-11-21 22:45:51,260 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-11-21 22:45:51,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:45:51,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:51,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:51,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:45:51,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:51,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2022-11-21 22:45:51,783 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-11-21 22:45:51,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:45:51,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:51,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:45:51,830 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:45:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:45:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:45:51,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:45:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:45:51,988 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2022-11-21 22:45:52,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:45:52 ImpRootNode [2022-11-21 22:45:52,041 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:45:52,042 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:45:52,042 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:45:52,042 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:45:52,043 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:45:50" (3/4) ... [2022-11-21 22:45:52,046 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 22:45:52,046 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:45:52,047 INFO L158 Benchmark]: Toolchain (without parser) took 4046.66ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 111.8MB in the beginning and 105.1MB in the end (delta: 6.7MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2022-11-21 22:45:52,048 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 125.8MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:45:52,048 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1342.85ms. Allocated memory is still 151.0MB. Free memory was 111.3MB in the beginning and 67.2MB in the end (delta: 44.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-21 22:45:52,049 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.95ms. Allocated memory is still 151.0MB. Free memory was 67.2MB in the beginning and 64.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:45:52,050 INFO L158 Benchmark]: Boogie Preprocessor took 63.08ms. Allocated memory is still 151.0MB. Free memory was 64.0MB in the beginning and 62.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:45:52,050 INFO L158 Benchmark]: RCFGBuilder took 651.14ms. Allocated memory is still 151.0MB. Free memory was 62.4MB in the beginning and 115.0MB in the end (delta: -52.6MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2022-11-21 22:45:52,051 INFO L158 Benchmark]: CodeCheck took 1893.75ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 115.0MB in the beginning and 106.2MB in the end (delta: 8.8MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2022-11-21 22:45:52,052 INFO L158 Benchmark]: Witness Printer took 4.68ms. Allocated memory is still 182.5MB. Free memory was 106.2MB in the beginning and 105.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:45:52,055 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, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 20 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 252 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 2/3 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 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1555, overapproximation of bitwiseAnd at line 1555. Possible 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); [L1569] 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) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=14, argc=14, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_rand_postdec_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1553] COND TRUE i < 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1553] i++ 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, i=1] [L1553] COND FALSE !(i < 1) [L1557] j = 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, i=1, j=0] [L1557] COND TRUE j < 1 [L1560] data-- VAL [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, i=1, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 125.8MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1342.85ms. Allocated memory is still 151.0MB. Free memory was 111.3MB in the beginning and 67.2MB in the end (delta: 44.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.95ms. Allocated memory is still 151.0MB. Free memory was 67.2MB in the beginning and 64.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.08ms. Allocated memory is still 151.0MB. Free memory was 64.0MB in the beginning and 62.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 651.14ms. Allocated memory is still 151.0MB. Free memory was 62.4MB in the beginning and 115.0MB in the end (delta: -52.6MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * CodeCheck took 1893.75ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 115.0MB in the beginning and 106.2MB in the end (delta: 8.8MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Witness Printer took 4.68ms. Allocated memory is still 182.5MB. Free memory was 106.2MB in the beginning and 105.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-21 22:45:52,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash aa8ec24a529b9708a4114d222c12978bf5bdc2ac2c4c1795c91ce64eb68dd2d4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:45:54,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:45:54,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:45:54,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:45:54,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:45:54,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:45:54,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:45:54,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:45:54,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:45:54,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:45:54,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:45:54,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:45:54,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:45:54,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:45:54,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:45:54,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:45:54,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:45:54,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:45:54,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:45:54,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:45:54,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:45:54,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:45:54,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:45:54,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:45:54,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:45:54,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:45:54,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:45:54,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:45:54,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:45:54,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:45:54,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:45:54,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:45:54,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:45:54,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:45:54,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:45:54,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:45:54,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:45:54,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:45:54,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:45:54,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:45:54,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:45:54,818 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-21 22:45:54,854 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:45:54,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:45:54,857 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:45:54,857 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:45:54,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:45:54,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:45:54,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:45:54,859 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:45:54,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:45:54,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:45:54,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:45:54,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:45:54,861 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 22:45:54,861 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 22:45:54,861 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:45:54,861 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 22:45:54,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:45:54,862 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:45:54,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:45:54,862 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:45:54,862 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:45:54,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:45:54,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:45:54,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:45:54,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:45:54,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:45:54,864 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 22:45:54,864 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 22:45:54,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:45:54,864 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 22:45:54,865 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 22:45:54,865 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa8ec24a529b9708a4114d222c12978bf5bdc2ac2c4c1795c91ce64eb68dd2d4 [2022-11-21 22:45:55,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:45:55,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:45:55,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:45:55,326 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:45:55,327 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:45:55,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_bad.i [2022-11-21 22:45:58,572 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:45:59,005 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:45:59,006 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_bad.i [2022-11-21 22:45:59,028 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/data/a9b84cdeb/8f7c1a3237624644b6ee0efe368d4936/FLAGb9252d80c [2022-11-21 22:45:59,053 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377381a8-8be1-4f44-ae02-52bedc993a95/bin/ukojak-jW3SillKbg/data/a9b84cdeb/8f7c1a3237624644b6ee0efe368d4936 [2022-11-21 22:45:59,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:45:59,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:45:59,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:45:59,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:45:59,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:45:59,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:45:59" (1/1) ... [2022-11-21 22:45:59,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@226fadf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:59, skipping insertion in model container [2022-11-21 22:45:59,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:45:59" (1/1) ... [2022-11-21 22:45:59,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:45:59,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:45:59,609 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:45:59,909 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:357) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 22:45:59,918 INFO L158 Benchmark]: Toolchain (without parser) took 856.34ms. Allocated memory is still 83.9MB. Free memory was 58.0MB in the beginning and 42.6MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 22:45:59,918 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 69.2MB. Free memory was 48.0MB in the beginning and 48.0MB in the end (delta: 49.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:45:59,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 851.88ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 42.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 22:45:59,920 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 69.2MB. Free memory was 48.0MB in the beginning and 48.0MB in the end (delta: 49.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 851.88ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 42.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.