./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 288ffc54f81d5a767b98309c1402bdf567c8623bb567d92aa37a9379325562e7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:43:35,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:43:35,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:43:35,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:43:35,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:43:35,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:43:35,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:43:35,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:43:35,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:43:35,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:43:35,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:43:35,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:43:35,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:43:35,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:43:35,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:43:35,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:43:35,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:43:35,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:43:35,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:43:35,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:43:35,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:43:35,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:43:35,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:43:35,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:43:35,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:43:35,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:43:35,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:43:35,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:43:35,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:43:35,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:43:35,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:43:35,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:43:35,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:43:35,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:43:35,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:43:35,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:43:35,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:43:35,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:43:35,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:43:35,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:43:35,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:43:35,186 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:43:35,221 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:43:35,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:43:35,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:43:35,227 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:43:35,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:43:35,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:43:35,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:43:35,228 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:43:35,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:43:35,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:43:35,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:43:35,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:43:35,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:43:35,231 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:43:35,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:43:35,231 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:43:35,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:43:35,232 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:43:35,232 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:43:35,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:43:35,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:43:35,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:43:35,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:43:35,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:43:35,234 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:43:35,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:43:35,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:43:35,235 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_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 288ffc54f81d5a767b98309c1402bdf567c8623bb567d92aa37a9379325562e7 [2022-11-20 17:43:35,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:43:35,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:43:35,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:43:35,563 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:43:35,564 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:43:35,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i [2022-11-20 17:43:38,720 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:43:39,174 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:43:39,175 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i [2022-11-20 17:43:39,202 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/data/073900361/e801b5e7efda468cb59d67aa08808588/FLAG78831fb03 [2022-11-20 17:43:39,217 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/data/073900361/e801b5e7efda468cb59d67aa08808588 [2022-11-20 17:43:39,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:43:39,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:43:39,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:43:39,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:43:39,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:43:39,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:43:39" (1/1) ... [2022-11-20 17:43:39,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad42db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:39, skipping insertion in model container [2022-11-20 17:43:39,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:43:39" (1/1) ... [2022-11-20 17:43:39,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:43:39,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:43:39,629 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:43:40,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:43:40,156 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:43:40,186 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:43:40,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:43:40,435 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:43:40,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:40 WrapperNode [2022-11-20 17:43:40,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:43:40,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:43:40,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:43:40,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:43:40,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:40" (1/1) ... [2022-11-20 17:43:40,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:40" (1/1) ... [2022-11-20 17:43:40,494 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-11-20 17:43:40,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:43:40,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:43:40,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:43:40,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:43:40,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:40" (1/1) ... [2022-11-20 17:43:40,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:40" (1/1) ... [2022-11-20 17:43:40,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:40" (1/1) ... [2022-11-20 17:43:40,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:40" (1/1) ... [2022-11-20 17:43:40,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:40" (1/1) ... [2022-11-20 17:43:40,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:40" (1/1) ... [2022-11-20 17:43:40,518 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:40" (1/1) ... [2022-11-20 17:43:40,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:40" (1/1) ... [2022-11-20 17:43:40,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:43:40,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:43:40,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:43:40,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:43:40,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:40" (1/1) ... [2022-11-20 17:43:40,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:43:40,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:43:40,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:43:40,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:43:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:43:40,620 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:43:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:43:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:43:40,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:43:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:43:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:43:40,835 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:43:40,837 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:43:40,974 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:43:41,093 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:43:41,093 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:43:41,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:43:41 BoogieIcfgContainer [2022-11-20 17:43:41,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:43:41,097 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:43:41,097 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:43:41,119 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:43:41,119 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:43:41" (1/1) ... [2022-11-20 17:43:41,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:43:41,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:41,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-11-20 17:43:41,200 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-20 17:43:41,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:43:41,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:41,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:41,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:43:41,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:41,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-11-20 17:43:41,852 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-20 17:43:41,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:43:41,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:41,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:43:42,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:43:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:43:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:43:42,175 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:43:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:43:42,229 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 17:43:42,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:43:42 ImpRootNode [2022-11-20 17:43:42,259 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:43:42,260 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:43:42,260 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:43:42,261 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:43:42,261 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:43:41" (3/4) ... [2022-11-20 17:43:42,265 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 17:43:42,265 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:43:42,266 INFO L158 Benchmark]: Toolchain (without parser) took 3044.51ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 102.4MB in the beginning and 114.1MB in the end (delta: -11.7MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2022-11-20 17:43:42,282 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:43:42,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1213.39ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 102.4MB in the beginning and 124.0MB in the end (delta: -21.6MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. [2022-11-20 17:43:42,284 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.55ms. Allocated memory is still 163.6MB. Free memory was 124.0MB in the beginning and 120.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:43:42,285 INFO L158 Benchmark]: Boogie Preprocessor took 27.45ms. Allocated memory is still 163.6MB. Free memory was 120.8MB in the beginning and 119.8MB in the end (delta: 966.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:43:42,285 INFO L158 Benchmark]: RCFGBuilder took 573.04ms. Allocated memory is still 163.6MB. Free memory was 119.8MB in the beginning and 100.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 17:43:42,286 INFO L158 Benchmark]: CodeCheck took 1162.84ms. Allocated memory is still 163.6MB. Free memory was 100.9MB in the beginning and 114.1MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:43:42,286 INFO L158 Benchmark]: Witness Printer took 5.12ms. Allocated memory is still 163.6MB. Free memory is still 114.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:43:42,289 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: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 6 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 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_postdec_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_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)=13, argc=13, argv={14:12}, argv={14:12}, CWE191_Integer_Underflow__int_rand_postdec_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_postdec_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_postdec_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_rand_postdec_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal) [L1572] data-- VAL [\old(data)=-2147483648, CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=1, data=-2147483648, data--=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1213.39ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 102.4MB in the beginning and 124.0MB in the end (delta: -21.6MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.55ms. Allocated memory is still 163.6MB. Free memory was 124.0MB in the beginning and 120.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.45ms. Allocated memory is still 163.6MB. Free memory was 120.8MB in the beginning and 119.8MB in the end (delta: 966.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 573.04ms. Allocated memory is still 163.6MB. Free memory was 119.8MB in the beginning and 100.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1162.84ms. Allocated memory is still 163.6MB. Free memory was 100.9MB in the beginning and 114.1MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.12ms. Allocated memory is still 163.6MB. Free memory is still 114.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 17:43:42,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 288ffc54f81d5a767b98309c1402bdf567c8623bb567d92aa37a9379325562e7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:43:44,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:43:44,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:43:44,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:43:44,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:43:44,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:43:44,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:43:44,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:43:44,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:43:44,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:43:44,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:43:44,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:43:44,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:43:44,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:43:44,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:43:44,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:43:44,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:43:44,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:43:44,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:43:44,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:43:44,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:43:44,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:43:44,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:43:44,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:43:44,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:43:44,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:43:44,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:43:44,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:43:44,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:43:44,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:43:44,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:43:44,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:43:44,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:43:44,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:43:44,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:43:44,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:43:44,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:43:44,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:43:44,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:43:44,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:43:44,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:43:44,966 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-20 17:43:45,008 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:43:45,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:43:45,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:43:45,012 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:43:45,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:43:45,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:43:45,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:43:45,013 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:43:45,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:43:45,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:43:45,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:43:45,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:43:45,016 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:43:45,016 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:43:45,016 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:43:45,017 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:43:45,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:43:45,017 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:43:45,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:43:45,018 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:43:45,018 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:43:45,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:43:45,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:43:45,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:43:45,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:43:45,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:43:45,020 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:43:45,021 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:43:45,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:43:45,021 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:43:45,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:43:45,022 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_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 288ffc54f81d5a767b98309c1402bdf567c8623bb567d92aa37a9379325562e7 [2022-11-20 17:43:45,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:43:45,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:43:45,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:43:45,436 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:43:45,436 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:43:45,438 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i [2022-11-20 17:43:48,588 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:43:49,038 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:43:49,043 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i [2022-11-20 17:43:49,073 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/data/0d1cb1164/e569ab2491dd442384ab701fe3f78999/FLAG3e1411ac9 [2022-11-20 17:43:49,099 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98fcee9-94fb-4624-8c46-a6276889173e/bin/ukojak-pZX7IvK2PQ/data/0d1cb1164/e569ab2491dd442384ab701fe3f78999 [2022-11-20 17:43:49,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:43:49,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:43:49,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:43:49,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:43:49,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:43:49,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:43:49" (1/1) ... [2022-11-20 17:43:49,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40ddd56e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:49, skipping insertion in model container [2022-11-20 17:43:49,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:43:49" (1/1) ... [2022-11-20 17:43:49,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:43:49,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:43:49,579 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:43:49,841 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) [2022-11-20 17:43:49,850 INFO L158 Benchmark]: Toolchain (without parser) took 745.02ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 30.7MB in the beginning and 61.2MB in the end (delta: -30.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 17:43:49,851 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:43:49,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 741.25ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 30.6MB in the beginning and 61.2MB in the end (delta: -30.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 17:43:49,855 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 62.9MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 741.25ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 30.6MB in the beginning and 61.2MB in the end (delta: -30.6MB). Peak memory consumption was 6.3MB. 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.