./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_22_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bead68-0b50-4c68-83b5-e332ee8f7276/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bead68-0b50-4c68-83b5-e332ee8f7276/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_a9bead68-0b50-4c68-83b5-e332ee8f7276/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bead68-0b50-4c68-83b5-e332ee8f7276/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bead68-0b50-4c68-83b5-e332ee8f7276/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_a9bead68-0b50-4c68-83b5-e332ee8f7276/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 9af24d4dceb13a252d9f9977aa1f9b3ffcff36a94533b8a56bc10288024744f9 --- 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 23:31:41,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:31:41,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:31:41,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:31:41,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:31:41,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:31:41,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:31:41,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:31:41,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:31:41,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:31:41,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:31:41,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:31:41,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:31:41,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:31:41,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:31:41,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:31:41,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:31:41,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:31:41,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:31:41,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:31:41,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:31:41,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:31:41,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:31:41,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:31:41,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:31:41,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:31:41,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:31:41,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:31:41,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:31:41,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:31:41,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:31:41,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:31:41,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:31:41,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:31:41,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:31:41,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:31:41,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:31:41,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:31:41,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:31:41,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:31:41,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:31:41,697 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bead68-0b50-4c68-83b5-e332ee8f7276/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:31:41,756 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:31:41,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:31:41,757 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:31:41,757 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:31:41,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:31:41,758 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:31:41,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:31:41,759 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:31:41,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:31:41,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:31:41,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:31:41,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:31:41,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:31:41,760 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:31:41,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:31:41,760 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:31:41,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:31:41,761 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:31:41,761 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:31:41,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:31:41,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:31:41,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:31:41,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:31:41,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:31:41,763 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:31:41,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:31:41,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:31:41,764 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_a9bead68-0b50-4c68-83b5-e332ee8f7276/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bead68-0b50-4c68-83b5-e332ee8f7276/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9af24d4dceb13a252d9f9977aa1f9b3ffcff36a94533b8a56bc10288024744f9 [2022-11-21 23:31:42,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:31:42,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:31:42,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:31:42,161 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:31:42,162 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:31:42,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bead68-0b50-4c68-83b5-e332ee8f7276/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_22_bad.i [2022-11-21 23:31:45,221 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:31:45,634 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:31:45,635 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bead68-0b50-4c68-83b5-e332ee8f7276/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_22_bad.i [2022-11-21 23:31:45,668 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bead68-0b50-4c68-83b5-e332ee8f7276/bin/ukojak-jW3SillKbg/data/6dad4606a/4b5be3944b4b43dd95547dc0fa13b209/FLAG8f0ad9117 [2022-11-21 23:31:45,687 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bead68-0b50-4c68-83b5-e332ee8f7276/bin/ukojak-jW3SillKbg/data/6dad4606a/4b5be3944b4b43dd95547dc0fa13b209 [2022-11-21 23:31:45,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:31:45,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:31:45,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:31:45,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:31:45,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:31:45,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:31:45" (1/1) ... [2022-11-21 23:31:45,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d9e4da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:45, skipping insertion in model container [2022-11-21 23:31:45,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:31:45" (1/1) ... [2022-11-21 23:31:45,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:31:45,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:31:46,150 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:31:46,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:31:46,770 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:31:46,801 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:31:46,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:31:47,008 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:31:47,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:47 WrapperNode [2022-11-21 23:31:47,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:31:47,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:31:47,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:31:47,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:31:47,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:47" (1/1) ... [2022-11-21 23:31:47,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:47" (1/1) ... [2022-11-21 23:31:47,068 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2022-11-21 23:31:47,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:31:47,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:31:47,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:31:47,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:31:47,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:47" (1/1) ... [2022-11-21 23:31:47,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:47" (1/1) ... [2022-11-21 23:31:47,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:47" (1/1) ... [2022-11-21 23:31:47,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:47" (1/1) ... [2022-11-21 23:31:47,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:47" (1/1) ... [2022-11-21 23:31:47,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:47" (1/1) ... [2022-11-21 23:31:47,091 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:47" (1/1) ... [2022-11-21 23:31:47,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:47" (1/1) ... [2022-11-21 23:31:47,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:31:47,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:31:47,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:31:47,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:31:47,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:47" (1/1) ... [2022-11-21 23:31:47,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:31:47,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bead68-0b50-4c68-83b5-e332ee8f7276/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:31:47,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bead68-0b50-4c68-83b5-e332ee8f7276/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:31:47,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bead68-0b50-4c68-83b5-e332ee8f7276/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:31:47,185 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:31:47,185 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:31:47,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:31:47,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:31:47,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:31:47,186 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:31:47,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:31:47,324 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:31:47,341 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:31:47,561 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:31:47,628 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:31:47,628 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:31:47,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:31:47 BoogieIcfgContainer [2022-11-21 23:31:47,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:31:47,632 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:31:47,632 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:31:47,643 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:31:47,643 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:31:47" (1/1) ... [2022-11-21 23:31:47,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:31:47,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:31:47,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-11-21 23:31:47,712 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-21 23:31:47,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:31:47,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:31:47,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:31:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:31:48,288 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 23:31:48,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:31:48,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-11-21 23:31:48,352 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-21 23:31:48,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:31:48,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:31:48,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:31:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:31:48,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:31:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:31:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:31:48,570 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:31:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:31:48,605 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-21 23:31:48,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:31:48 ImpRootNode [2022-11-21 23:31:48,636 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:31:48,636 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:31:48,637 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:31:48,637 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:31:48,637 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:31:47" (3/4) ... [2022-11-21 23:31:48,641 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 23:31:48,641 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:31:48,642 INFO L158 Benchmark]: Toolchain (without parser) took 2948.14ms. Allocated memory is still 176.2MB. Free memory was 144.4MB in the beginning and 109.0MB in the end (delta: 35.4MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2022-11-21 23:31:48,643 INFO L158 Benchmark]: CDTParser took 1.31ms. Allocated memory is still 125.8MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:31:48,643 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1312.81ms. Allocated memory is still 176.2MB. Free memory was 144.0MB in the beginning and 85.2MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-21 23:31:48,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.22ms. Allocated memory is still 176.2MB. Free memory was 85.2MB in the beginning and 82.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:31:48,645 INFO L158 Benchmark]: Boogie Preprocessor took 26.26ms. Allocated memory is still 176.2MB. Free memory was 82.3MB in the beginning and 80.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:31:48,645 INFO L158 Benchmark]: RCFGBuilder took 535.83ms. Allocated memory is still 176.2MB. Free memory was 80.6MB in the beginning and 61.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 23:31:48,646 INFO L158 Benchmark]: CodeCheck took 1003.71ms. Allocated memory is still 176.2MB. Free memory was 61.7MB in the beginning and 109.0MB in the end (delta: -47.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:31:48,646 INFO L158 Benchmark]: Witness Printer took 4.98ms. Allocated memory is still 176.2MB. Free memory is still 109.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:31:48,650 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 8 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. 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); [L1548] int CWE191_Integer_Underflow__int_rand_sub_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=14, argc=14, argv={13:12}, argv={13:12}, CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_sub_22_bad() [L1552] int data; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CWE191_Integer_Underflow__int_rand_sub_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_rand_sub_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_rand_sub_22_badGlobal) VAL [\old(data)=-2147483648, CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=1, 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] [L1572] data - 1 VAL [\old(data)=-2147483648, CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=1, data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31ms. Allocated memory is still 125.8MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1312.81ms. Allocated memory is still 176.2MB. Free memory was 144.0MB in the beginning and 85.2MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.22ms. Allocated memory is still 176.2MB. Free memory was 85.2MB in the beginning and 82.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.26ms. Allocated memory is still 176.2MB. Free memory was 82.3MB in the beginning and 80.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 535.83ms. Allocated memory is still 176.2MB. Free memory was 80.6MB in the beginning and 61.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1003.71ms. Allocated memory is still 176.2MB. Free memory was 61.7MB in the beginning and 109.0MB in the end (delta: -47.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.98ms. Allocated memory is still 176.2MB. Free memory is still 109.0MB. 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 23:31:48,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bead68-0b50-4c68-83b5-e332ee8f7276/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_a9bead68-0b50-4c68-83b5-e332ee8f7276/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bead68-0b50-4c68-83b5-e332ee8f7276/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_a9bead68-0b50-4c68-83b5-e332ee8f7276/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bead68-0b50-4c68-83b5-e332ee8f7276/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bead68-0b50-4c68-83b5-e332ee8f7276/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_a9bead68-0b50-4c68-83b5-e332ee8f7276/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 9af24d4dceb13a252d9f9977aa1f9b3ffcff36a94533b8a56bc10288024744f9 --- 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 23:31:51,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:31:51,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:31:51,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:31:51,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:31:51,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:31:51,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:31:51,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:31:51,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:31:51,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:31:51,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:31:51,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:31:51,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:31:51,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:31:51,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:31:51,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:31:51,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:31:51,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:31:51,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:31:51,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:31:51,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:31:51,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:31:51,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:31:51,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:31:51,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:31:51,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:31:51,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:31:51,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:31:51,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:31:51,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:31:51,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:31:51,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:31:51,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:31:51,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:31:51,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:31:51,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:31:51,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:31:51,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:31:51,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:31:51,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:31:51,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:31:51,224 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bead68-0b50-4c68-83b5-e332ee8f7276/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-21 23:31:51,249 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:31:51,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:31:51,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:31:51,250 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:31:51,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:31:51,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:31:51,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:31:51,252 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:31:51,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:31:51,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:31:51,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:31:51,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:31:51,253 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:31:51,253 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:31:51,254 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:31:51,254 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:31:51,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:31:51,255 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:31:51,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:31:51,255 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:31:51,255 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:31:51,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:31:51,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:31:51,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:31:51,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:31:51,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:31:51,257 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:31:51,257 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:31:51,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:31:51,258 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:31:51,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:31:51,259 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_a9bead68-0b50-4c68-83b5-e332ee8f7276/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bead68-0b50-4c68-83b5-e332ee8f7276/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9af24d4dceb13a252d9f9977aa1f9b3ffcff36a94533b8a56bc10288024744f9 [2022-11-21 23:31:51,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:31:51,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:31:51,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:31:51,668 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:31:51,671 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:31:51,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bead68-0b50-4c68-83b5-e332ee8f7276/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_22_bad.i [2022-11-21 23:31:54,763 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:31:55,186 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:31:55,186 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bead68-0b50-4c68-83b5-e332ee8f7276/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_22_bad.i [2022-11-21 23:31:55,221 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bead68-0b50-4c68-83b5-e332ee8f7276/bin/ukojak-jW3SillKbg/data/055ff1984/d2ccba85d87246678a7d7da89a00851f/FLAG8bc1ec4b8 [2022-11-21 23:31:55,242 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bead68-0b50-4c68-83b5-e332ee8f7276/bin/ukojak-jW3SillKbg/data/055ff1984/d2ccba85d87246678a7d7da89a00851f [2022-11-21 23:31:55,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:31:55,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:31:55,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:31:55,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:31:55,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:31:55,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:31:55" (1/1) ... [2022-11-21 23:31:55,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18bd575b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:55, skipping insertion in model container [2022-11-21 23:31:55,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:31:55" (1/1) ... [2022-11-21 23:31:55,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:31:55,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:31:55,847 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:31:56,246 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 23:31:56,254 INFO L158 Benchmark]: Toolchain (without parser) took 1003.26ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 40.7MB in the beginning and 75.1MB in the end (delta: -34.4MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2022-11-21 23:31:56,255 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 67.1MB. Free memory was 45.9MB in the beginning and 45.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:31:56,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 996.39ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 40.5MB in the beginning and 75.1MB in the end (delta: -34.6MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2022-11-21 23:31:56,259 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 67.1MB. Free memory was 45.9MB in the beginning and 45.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 996.39ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 40.5MB in the beginning and 75.1MB in the end (delta: -34.6MB). Peak memory consumption was 17.1MB. 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.