./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6cf48e6f43cdcb1ddba628e3d3c208d4f7410fc9f0e3593c1621578e046c16a6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:18:03,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:18:03,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:18:04,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:18:04,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:18:04,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:18:04,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:18:04,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:18:04,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:18:04,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:18:04,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:18:04,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:18:04,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:18:04,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:18:04,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:18:04,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:18:04,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:18:04,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:18:04,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:18:04,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:18:04,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:18:04,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:18:04,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:18:04,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:18:04,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:18:04,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:18:04,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:18:04,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:18:04,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:18:04,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:18:04,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:18:04,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:18:04,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:18:04,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:18:04,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:18:04,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:18:04,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:18:04,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:18:04,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:18:04,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:18:04,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:18:04,084 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:18:04,125 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:18:04,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:18:04,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:18:04,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:18:04,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:18:04,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:18:04,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:18:04,129 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:18:04,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:18:04,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:18:04,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:18:04,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:18:04,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:18:04,131 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:18:04,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:18:04,131 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:18:04,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:18:04,131 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:18:04,132 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:18:04,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:18:04,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:18:04,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:18:04,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:18:04,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:18:04,133 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:18:04,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:18:04,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:18:04,133 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_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cf48e6f43cdcb1ddba628e3d3c208d4f7410fc9f0e3593c1621578e046c16a6 [2022-11-21 23:18:04,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:18:04,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:18:04,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:18:04,399 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:18:04,399 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:18:04,401 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i [2022-11-21 23:18:07,414 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:18:07,807 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:18:07,808 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i [2022-11-21 23:18:07,829 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/data/e62759efd/cc15af5e911848e6867f69bffcceccb4/FLAG6047c0480 [2022-11-21 23:18:07,846 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/data/e62759efd/cc15af5e911848e6867f69bffcceccb4 [2022-11-21 23:18:07,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:18:07,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:18:07,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:18:07,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:18:07,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:18:07,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:18:07" (1/1) ... [2022-11-21 23:18:07,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c8d2fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:07, skipping insertion in model container [2022-11-21 23:18:07,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:18:07" (1/1) ... [2022-11-21 23:18:07,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:18:08,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:18:08,408 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:18:08,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:18:08,992 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:18:09,028 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:18:09,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:18:09,270 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:18:09,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:09 WrapperNode [2022-11-21 23:18:09,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:18:09,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:18:09,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:18:09,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:18:09,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:09" (1/1) ... [2022-11-21 23:18:09,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:09" (1/1) ... [2022-11-21 23:18:09,339 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2022-11-21 23:18:09,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:18:09,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:18:09,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:18:09,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:18:09,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:09" (1/1) ... [2022-11-21 23:18:09,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:09" (1/1) ... [2022-11-21 23:18:09,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:09" (1/1) ... [2022-11-21 23:18:09,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:09" (1/1) ... [2022-11-21 23:18:09,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:09" (1/1) ... [2022-11-21 23:18:09,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:09" (1/1) ... [2022-11-21 23:18:09,397 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:09" (1/1) ... [2022-11-21 23:18:09,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:09" (1/1) ... [2022-11-21 23:18:09,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:18:09,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:18:09,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:18:09,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:18:09,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:09" (1/1) ... [2022-11-21 23:18:09,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:18:09,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:18:09,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:18:09,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:18:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:18:09,505 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:18:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:18:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:18:09,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:18:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:18:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:18:09,652 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:18:09,654 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:18:09,894 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:18:10,054 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:18:10,055 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:18:10,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:18:10 BoogieIcfgContainer [2022-11-21 23:18:10,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:18:10,058 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:18:10,058 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:18:10,077 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:18:10,078 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:18:10" (1/1) ... [2022-11-21 23:18:10,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:18:10,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:10,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-21 23:18:10,156 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-21 23:18:10,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:18:10,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:10,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:10,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:18:10,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:10,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-11-21 23:18:10,547 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-11-21 23:18:10,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:18:10,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:10,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:18:10,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:18:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:18:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:18:10,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:18:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:18:10,828 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-21 23:18:10,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:18:10 ImpRootNode [2022-11-21 23:18:10,873 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:18:10,874 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:18:10,874 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:18:10,875 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:18:10,875 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:18:10" (3/4) ... [2022-11-21 23:18:10,883 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 23:18:10,883 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:18:10,885 INFO L158 Benchmark]: Toolchain (without parser) took 3033.30ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 72.3MB in the beginning and 90.5MB in the end (delta: -18.2MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2022-11-21 23:18:10,886 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 138.4MB. Free memory is still 108.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:18:10,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1417.40ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 72.1MB in the beginning and 83.2MB in the end (delta: -11.1MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2022-11-21 23:18:10,887 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.36ms. Allocated memory is still 174.1MB. Free memory was 83.2MB in the beginning and 80.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:18:10,888 INFO L158 Benchmark]: Boogie Preprocessor took 69.68ms. Allocated memory is still 174.1MB. Free memory was 80.2MB in the beginning and 142.6MB in the end (delta: -62.4MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-11-21 23:18:10,889 INFO L158 Benchmark]: RCFGBuilder took 646.32ms. Allocated memory is still 174.1MB. Free memory was 142.6MB in the beginning and 125.0MB in the end (delta: 17.6MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2022-11-21 23:18:10,894 INFO L158 Benchmark]: CodeCheck took 815.22ms. Allocated memory is still 174.1MB. Free memory was 125.0MB in the beginning and 90.5MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-21 23:18:10,894 INFO L158 Benchmark]: Witness Printer took 9.37ms. Allocated memory is still 174.1MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:18:10,902 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: 0.7s, 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, 0.2s 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1570, overapproximation of bitwiseAnd at line 1570. 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); [L1563] 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) [L1563] RET printLine("Calling bad()...") VAL [\old(argc)=13, argc=13, argv={14:12}, argv={14:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_rand_predec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1555] --data VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 138.4MB. Free memory is still 108.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1417.40ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 72.1MB in the beginning and 83.2MB in the end (delta: -11.1MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.36ms. Allocated memory is still 174.1MB. Free memory was 83.2MB in the beginning and 80.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.68ms. Allocated memory is still 174.1MB. Free memory was 80.2MB in the beginning and 142.6MB in the end (delta: -62.4MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * RCFGBuilder took 646.32ms. Allocated memory is still 174.1MB. Free memory was 142.6MB in the beginning and 125.0MB in the end (delta: 17.6MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * CodeCheck took 815.22ms. Allocated memory is still 174.1MB. Free memory was 125.0MB in the beginning and 90.5MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 9.37ms. Allocated memory is still 174.1MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-21 23:18:10,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6cf48e6f43cdcb1ddba628e3d3c208d4f7410fc9f0e3593c1621578e046c16a6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:18:13,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:18:13,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:18:13,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:18:13,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:18:13,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:18:13,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:18:13,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:18:13,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:18:13,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:18:13,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:18:13,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:18:13,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:18:13,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:18:13,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:18:13,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:18:13,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:18:13,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:18:13,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:18:13,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:18:13,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:18:13,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:18:13,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:18:13,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:18:13,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:18:13,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:18:13,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:18:13,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:18:13,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:18:13,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:18:13,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:18:13,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:18:13,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:18:13,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:18:13,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:18:13,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:18:13,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:18:13,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:18:13,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:18:13,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:18:13,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:18:13,534 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-21 23:18:13,569 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:18:13,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:18:13,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:18:13,572 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:18:13,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:18:13,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:18:13,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:18:13,573 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:18:13,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:18:13,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:18:13,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:18:13,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:18:13,576 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:18:13,576 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:18:13,576 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:18:13,576 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:18:13,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:18:13,577 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:18:13,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:18:13,577 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:18:13,578 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:18:13,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:18:13,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:18:13,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:18:13,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:18:13,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:18:13,580 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:18:13,580 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:18:13,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:18:13,580 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:18:13,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:18:13,581 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_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cf48e6f43cdcb1ddba628e3d3c208d4f7410fc9f0e3593c1621578e046c16a6 [2022-11-21 23:18:14,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:18:14,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:18:14,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:18:14,035 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:18:14,036 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:18:14,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i [2022-11-21 23:18:17,268 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:18:17,742 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:18:17,742 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i [2022-11-21 23:18:17,773 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/data/c3bb7dbe2/f6777406b6ee4700b568dd78878b8024/FLAG2b4bc7b87 [2022-11-21 23:18:17,789 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc51262-8c02-49f4-9f1d-38f136de3c02/bin/ukojak-jW3SillKbg/data/c3bb7dbe2/f6777406b6ee4700b568dd78878b8024 [2022-11-21 23:18:17,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:18:17,796 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:18:17,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:18:17,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:18:17,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:18:17,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:18:17" (1/1) ... [2022-11-21 23:18:17,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785da50c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:17, skipping insertion in model container [2022-11-21 23:18:17,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:18:17" (1/1) ... [2022-11-21 23:18:17,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:18:17,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:18:18,265 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:18:18,555 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:357) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 23:18:18,565 INFO L158 Benchmark]: Toolchain (without parser) took 768.11ms. Allocated memory is still 92.3MB. Free memory was 67.3MB in the beginning and 52.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:18:18,566 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory was 45.6MB in the beginning and 45.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:18:18,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 763.15ms. Allocated memory is still 92.3MB. Free memory was 67.1MB in the beginning and 52.2MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:18:18,569 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory was 45.6MB in the beginning and 45.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 763.15ms. Allocated memory is still 92.3MB. Free memory was 67.1MB in the beginning and 52.2MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.