./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_31_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_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/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_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/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_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/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 2649b1239dfd4d32a381247ed4f3ea4d3759b9bf4f4dfb0870461a76ea95d255 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:09:12,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:09:12,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:09:12,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:09:12,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:09:12,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:09:12,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:09:12,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:09:12,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:09:12,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:09:12,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:09:12,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:09:12,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:09:12,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:09:12,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:09:12,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:09:12,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:09:12,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:09:12,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:09:12,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:09:12,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:09:12,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:09:12,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:09:12,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:09:12,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:09:12,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:09:12,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:09:12,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:09:12,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:09:12,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:09:12,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:09:12,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:09:12,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:09:12,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:09:12,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:09:12,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:09:12,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:09:12,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:09:12,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:09:12,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:09:12,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:09:12,557 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:09:12,578 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:09:12,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:09:12,579 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:09:12,580 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:09:12,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:09:12,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:09:12,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:09:12,581 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:09:12,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:09:12,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:09:12,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:09:12,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:09:12,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:09:12,582 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:09:12,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:09:12,582 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:09:12,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:09:12,583 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:09:12,583 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:09:12,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:09:12,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:09:12,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:09:12,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:09:12,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:09:12,584 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:09:12,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:09:12,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:09:12,584 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_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2649b1239dfd4d32a381247ed4f3ea4d3759b9bf4f4dfb0870461a76ea95d255 [2022-11-20 18:09:12,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:09:12,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:09:12,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:09:12,906 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:09:12,907 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:09:12,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_31_bad.i [2022-11-20 18:09:15,926 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:09:16,404 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:09:16,405 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_31_bad.i [2022-11-20 18:09:16,432 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/bin/ukojak-pZX7IvK2PQ/data/f3e70e481/2a2e51b050a0410c87897b265bdbcb14/FLAG4aa7c3890 [2022-11-20 18:09:16,452 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/bin/ukojak-pZX7IvK2PQ/data/f3e70e481/2a2e51b050a0410c87897b265bdbcb14 [2022-11-20 18:09:16,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:09:16,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:09:16,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:09:16,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:09:16,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:09:16,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:09:16" (1/1) ... [2022-11-20 18:09:16,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af7284a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:16, skipping insertion in model container [2022-11-20 18:09:16,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:09:16" (1/1) ... [2022-11-20 18:09:16,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:09:16,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:09:17,018 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:09:17,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:09:17,663 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:09:17,695 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:09:17,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:09:17,914 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:09:17,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:17 WrapperNode [2022-11-20 18:09:17,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:09:17,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:09:17,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:09:17,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:09:17,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:17" (1/1) ... [2022-11-20 18:09:17,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:17" (1/1) ... [2022-11-20 18:09:17,991 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-11-20 18:09:17,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:09:17,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:09:17,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:09:17,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:09:18,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:17" (1/1) ... [2022-11-20 18:09:18,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:17" (1/1) ... [2022-11-20 18:09:18,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:17" (1/1) ... [2022-11-20 18:09:18,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:17" (1/1) ... [2022-11-20 18:09:18,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:17" (1/1) ... [2022-11-20 18:09:18,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:17" (1/1) ... [2022-11-20 18:09:18,017 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:17" (1/1) ... [2022-11-20 18:09:18,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:17" (1/1) ... [2022-11-20 18:09:18,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:09:18,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:09:18,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:09:18,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:09:18,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:17" (1/1) ... [2022-11-20 18:09:18,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:09:18,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:09:18,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:09:18,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:09:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:09:18,147 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:09:18,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:09:18,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:09:18,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:09:18,147 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:09:18,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:09:18,381 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:09:18,383 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:09:18,550 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:09:18,689 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:09:18,689 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:09:18,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:09:18 BoogieIcfgContainer [2022-11-20 18:09:18,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:09:18,693 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:09:18,694 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:09:18,706 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:09:18,706 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:09:18" (1/1) ... [2022-11-20 18:09:18,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:09:18,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:09:18,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-20 18:09:18,769 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-20 18:09:18,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:09:18,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:09:18,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:09:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:09:19,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:09:19,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:09:19,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-11-20 18:09:19,286 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-11-20 18:09:19,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:09:19,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:09:19,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:09:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:09:19,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:09:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:09:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:09:19,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:09:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:09:19,564 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 18:09:19,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:09:19 ImpRootNode [2022-11-20 18:09:19,607 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:09:19,608 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:09:19,609 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:09:19,609 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:09:19,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:09:18" (3/4) ... [2022-11-20 18:09:19,615 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 18:09:19,615 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:09:19,617 INFO L158 Benchmark]: Toolchain (without parser) took 3152.92ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 119.1MB in the beginning and 101.0MB in the end (delta: 18.1MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2022-11-20 18:09:19,618 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 155.2MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:09:19,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1444.83ms. Allocated memory is still 155.2MB. Free memory was 118.6MB in the beginning and 57.9MB in the end (delta: 60.7MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-20 18:09:19,619 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.19ms. Allocated memory is still 155.2MB. Free memory was 57.9MB in the beginning and 54.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:09:19,621 INFO L158 Benchmark]: Boogie Preprocessor took 30.08ms. Allocated memory is still 155.2MB. Free memory was 54.2MB in the beginning and 52.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:09:19,622 INFO L158 Benchmark]: RCFGBuilder took 669.86ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 52.7MB in the beginning and 143.0MB in the end (delta: -90.3MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2022-11-20 18:09:19,627 INFO L158 Benchmark]: CodeCheck took 913.99ms. Allocated memory is still 186.6MB. Free memory was 143.0MB in the beginning and 101.0MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-20 18:09:19,628 INFO L158 Benchmark]: Witness Printer took 7.30ms. Allocated memory is still 186.6MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:09:19,631 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 4 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1552, overapproximation of bitwiseAnd at line 1552. 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); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [\old(argc)=14, argc=14, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_31_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [data=-2147483648, data=-2147483648, dataCopy=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] --data VAL [data=-2147483648, data=-2147483648, dataCopy=-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 0.34ms. Allocated memory is still 155.2MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1444.83ms. Allocated memory is still 155.2MB. Free memory was 118.6MB in the beginning and 57.9MB in the end (delta: 60.7MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.19ms. Allocated memory is still 155.2MB. Free memory was 57.9MB in the beginning and 54.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.08ms. Allocated memory is still 155.2MB. Free memory was 54.2MB in the beginning and 52.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 669.86ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 52.7MB in the beginning and 143.0MB in the end (delta: -90.3MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * CodeCheck took 913.99ms. Allocated memory is still 186.6MB. Free memory was 143.0MB in the beginning and 101.0MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 7.30ms. Allocated memory is still 186.6MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 18:09:19,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/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_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/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_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/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_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/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 2649b1239dfd4d32a381247ed4f3ea4d3759b9bf4f4dfb0870461a76ea95d255 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:09:22,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:09:22,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:09:22,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:09:22,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:09:22,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:09:22,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:09:22,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:09:22,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:09:22,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:09:22,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:09:22,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:09:22,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:09:22,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:09:22,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:09:22,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:09:22,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:09:22,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:09:22,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:09:22,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:09:22,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:09:22,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:09:22,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:09:22,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:09:22,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:09:22,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:09:22,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:09:22,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:09:22,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:09:22,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:09:22,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:09:22,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:09:22,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:09:22,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:09:22,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:09:22,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:09:22,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:09:22,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:09:22,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:09:22,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:09:22,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:09:22,303 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-20 18:09:22,328 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:09:22,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:09:22,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:09:22,330 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:09:22,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:09:22,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:09:22,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:09:22,331 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:09:22,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:09:22,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:09:22,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:09:22,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:09:22,332 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 18:09:22,332 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 18:09:22,333 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:09:22,333 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 18:09:22,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:09:22,333 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:09:22,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:09:22,334 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:09:22,334 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:09:22,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:09:22,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:09:22,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:09:22,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:09:22,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:09:22,335 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 18:09:22,335 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 18:09:22,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:09:22,336 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 18:09:22,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 18:09:22,336 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_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2649b1239dfd4d32a381247ed4f3ea4d3759b9bf4f4dfb0870461a76ea95d255 [2022-11-20 18:09:22,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:09:22,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:09:22,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:09:22,829 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:09:22,829 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:09:22,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_31_bad.i [2022-11-20 18:09:25,955 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:09:26,326 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:09:26,327 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_31_bad.i [2022-11-20 18:09:26,365 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/bin/ukojak-pZX7IvK2PQ/data/0542f17ea/e2cdb41f728349e5961d407a26cfbd64/FLAG6c8c285c8 [2022-11-20 18:09:26,386 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20502de7-01a2-478a-8e2e-b6bbf9fe5ca1/bin/ukojak-pZX7IvK2PQ/data/0542f17ea/e2cdb41f728349e5961d407a26cfbd64 [2022-11-20 18:09:26,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:09:26,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:09:26,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:09:26,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:09:26,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:09:26,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:09:26" (1/1) ... [2022-11-20 18:09:26,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d9e80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:26, skipping insertion in model container [2022-11-20 18:09:26,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:09:26" (1/1) ... [2022-11-20 18:09:26,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:09:26,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:09:26,890 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:09:27,258 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 18:09:27,266 INFO L158 Benchmark]: Toolchain (without parser) took 874.30ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 32.8MB in the beginning and 55.3MB in the end (delta: -22.5MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2022-11-20 18:09:27,268 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:09:27,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 871.88ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 32.6MB in the beginning and 55.3MB in the end (delta: -22.7MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2022-11-20 18:09:27,271 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 871.88ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 32.6MB in the beginning and 55.3MB in the end (delta: -22.7MB). Peak memory consumption was 6.2MB. 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.