./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_22_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/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_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/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_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/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 376ee0639763b07c2274d2fee61fe1466a9b43bfbf7a1e08def008915e70d884 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:35:06,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:35:06,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:35:06,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:35:06,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:35:06,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:35:06,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:35:06,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:35:06,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:35:06,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:35:06,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:35:06,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:35:06,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:35:06,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:35:06,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:35:06,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:35:06,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:35:06,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:35:06,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:35:06,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:35:06,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:35:06,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:35:06,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:35:06,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:35:06,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:35:06,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:35:06,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:35:06,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:35:06,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:35:06,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:35:06,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:35:06,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:35:06,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:35:06,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:35:06,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:35:06,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:35:06,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:35:06,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:35:06,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:35:06,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:35:06,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:35:06,802 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:35:06,840 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:35:06,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:35:06,842 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:35:06,842 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:35:06,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:35:06,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:35:06,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:35:06,843 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:35:06,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:35:06,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:35:06,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:35:06,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:35:06,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:35:06,845 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:35:06,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:35:06,846 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:35:06,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:35:06,846 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:35:06,846 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:35:06,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:35:06,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:35:06,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:35:06,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:35:06,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:35:06,848 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:35:06,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:35:06,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:35:06,848 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_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 376ee0639763b07c2274d2fee61fe1466a9b43bfbf7a1e08def008915e70d884 [2022-11-20 17:35:07,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:35:07,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:35:07,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:35:07,231 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:35:07,233 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:35:07,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_22_bad.i [2022-11-20 17:35:10,290 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:35:10,711 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:35:10,712 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_22_bad.i [2022-11-20 17:35:10,740 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/bin/ukojak-pZX7IvK2PQ/data/d67d9d5f4/38e7214bb6e94b2ab5115f08ece66a89/FLAG26395bc47 [2022-11-20 17:35:10,762 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/bin/ukojak-pZX7IvK2PQ/data/d67d9d5f4/38e7214bb6e94b2ab5115f08ece66a89 [2022-11-20 17:35:10,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:35:10,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:35:10,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:35:10,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:35:10,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:35:10,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:35:10" (1/1) ... [2022-11-20 17:35:10,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2600ed93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:10, skipping insertion in model container [2022-11-20 17:35:10,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:35:10" (1/1) ... [2022-11-20 17:35:10,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:35:10,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:35:11,193 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:35:11,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:35:11,701 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:35:11,727 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:35:11,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:35:11,953 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:35:11,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:11 WrapperNode [2022-11-20 17:35:11,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:35:11,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:35:11,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:35:11,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:35:11,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:11" (1/1) ... [2022-11-20 17:35:12,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:11" (1/1) ... [2022-11-20 17:35:12,039 INFO L138 Inliner]: procedures = 501, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2022-11-20 17:35:12,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:35:12,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:35:12,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:35:12,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:35:12,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:11" (1/1) ... [2022-11-20 17:35:12,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:11" (1/1) ... [2022-11-20 17:35:12,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:11" (1/1) ... [2022-11-20 17:35:12,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:11" (1/1) ... [2022-11-20 17:35:12,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:11" (1/1) ... [2022-11-20 17:35:12,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:11" (1/1) ... [2022-11-20 17:35:12,068 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:11" (1/1) ... [2022-11-20 17:35:12,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:11" (1/1) ... [2022-11-20 17:35:12,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:35:12,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:35:12,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:35:12,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:35:12,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:11" (1/1) ... [2022-11-20 17:35:12,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:35:12,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:35:12,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:35:12,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:35:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 17:35:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:35:12,166 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:35:12,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:35:12,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 17:35:12,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:35:12,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:35:12,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:35:12,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:35:12,168 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:35:12,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:35:12,397 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:35:12,399 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:35:12,558 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:35:12,586 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:35:12,587 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:35:12,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:35:12 BoogieIcfgContainer [2022-11-20 17:35:12,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:35:12,590 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:35:12,591 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:35:12,600 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:35:12,601 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:35:12" (1/1) ... [2022-11-20 17:35:12,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:35:12,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:12,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2022-11-20 17:35:12,675 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-11-20 17:35:12,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:35:12,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:12,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:13,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:35:13,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:13,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-11-20 17:35:13,089 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-11-20 17:35:13,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:35:13,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:13,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:35:13,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:35:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:35:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:35:13,271 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:35:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:35:13,334 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 17:35:13,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:35:13 ImpRootNode [2022-11-20 17:35:13,385 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:35:13,386 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:35:13,386 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:35:13,386 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:35:13,387 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:35:12" (3/4) ... [2022-11-20 17:35:13,390 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 17:35:13,390 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:35:13,391 INFO L158 Benchmark]: Toolchain (without parser) took 2622.35ms. Allocated memory is still 159.4MB. Free memory was 129.7MB in the beginning and 71.4MB in the end (delta: 58.3MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2022-11-20 17:35:13,391 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 121.6MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:35:13,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1183.46ms. Allocated memory is still 159.4MB. Free memory was 129.5MB in the beginning and 118.6MB in the end (delta: 11.0MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2022-11-20 17:35:13,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.69ms. Allocated memory is still 159.4MB. Free memory was 118.6MB in the beginning and 115.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:35:13,394 INFO L158 Benchmark]: Boogie Preprocessor took 31.85ms. Allocated memory is still 159.4MB. Free memory was 115.5MB in the beginning and 114.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:35:13,395 INFO L158 Benchmark]: RCFGBuilder took 517.18ms. Allocated memory is still 159.4MB. Free memory was 114.4MB in the beginning and 99.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:35:13,395 INFO L158 Benchmark]: CodeCheck took 795.01ms. Allocated memory is still 159.4MB. Free memory was 99.7MB in the beginning and 71.4MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-20 17:35:13,396 INFO L158 Benchmark]: Witness Printer took 4.37ms. Allocated memory is still 159.4MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:35:13,399 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, 18 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, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 14 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 65 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 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: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE191_Integer_Underflow__int_fgets_multiply_22_badGlobal = 0; [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [\old(argc)=19, argc=19, argv={18:13}, argv={18:13}, CWE191_Integer_Underflow__int_fgets_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fgets_multiply_22_bad() [L1552] int data; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1565] CWE191_Integer_Underflow__int_fgets_multiply_22_badGlobal = 1 [L1566] CALL CWE191_Integer_Underflow__int_fgets_multiply_22_badSink(data) [L1579] COND TRUE \read(CWE191_Integer_Underflow__int_fgets_multiply_22_badGlobal) VAL [\old(data)=-1073741825, CWE191_Integer_Underflow__int_fgets_multiply_22_badGlobal=1, data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] COND TRUE data < 0 VAL [\old(data)=-1073741825, CWE191_Integer_Underflow__int_fgets_multiply_22_badGlobal=1, data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1583] data * 2 VAL [\old(data)=-1073741825, CWE191_Integer_Underflow__int_fgets_multiply_22_badGlobal=1, data=-1073741825, 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 0.63ms. Allocated memory is still 121.6MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1183.46ms. Allocated memory is still 159.4MB. Free memory was 129.5MB in the beginning and 118.6MB in the end (delta: 11.0MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.69ms. Allocated memory is still 159.4MB. Free memory was 118.6MB in the beginning and 115.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.85ms. Allocated memory is still 159.4MB. Free memory was 115.5MB in the beginning and 114.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 517.18ms. Allocated memory is still 159.4MB. Free memory was 114.4MB in the beginning and 99.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 795.01ms. Allocated memory is still 159.4MB. Free memory was 99.7MB in the beginning and 71.4MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 4.37ms. Allocated memory is still 159.4MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 17:35:13,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/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_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/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_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/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_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/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 376ee0639763b07c2274d2fee61fe1466a9b43bfbf7a1e08def008915e70d884 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:35:15,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:35:15,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:35:15,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:35:15,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:35:15,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:35:15,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:35:15,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:35:15,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:35:15,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:35:15,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:35:15,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:35:15,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:35:15,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:35:15,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:35:15,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:35:15,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:35:15,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:35:15,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:35:15,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:35:15,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:35:15,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:35:15,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:35:15,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:35:15,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:35:15,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:35:15,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:35:15,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:35:15,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:35:15,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:35:15,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:35:16,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:35:16,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:35:16,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:35:16,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:35:16,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:35:16,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:35:16,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:35:16,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:35:16,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:35:16,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:35:16,007 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-20 17:35:16,030 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:35:16,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:35:16,031 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:35:16,031 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:35:16,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:35:16,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:35:16,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:35:16,033 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:35:16,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:35:16,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:35:16,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:35:16,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:35:16,034 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:35:16,034 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:35:16,035 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:35:16,035 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:35:16,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:35:16,035 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:35:16,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:35:16,036 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:35:16,036 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:35:16,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:35:16,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:35:16,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:35:16,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:35:16,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:35:16,037 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:35:16,037 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:35:16,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:35:16,038 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:35:16,038 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:35:16,038 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_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 376ee0639763b07c2274d2fee61fe1466a9b43bfbf7a1e08def008915e70d884 [2022-11-20 17:35:16,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:35:16,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:35:16,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:35:16,477 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:35:16,477 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:35:16,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_22_bad.i [2022-11-20 17:35:19,885 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:35:20,286 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:35:20,289 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_22_bad.i [2022-11-20 17:35:20,319 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/bin/ukojak-pZX7IvK2PQ/data/61e0945c5/e017ed1935ae48a4a2d950a358cc0e05/FLAGc4f63def9 [2022-11-20 17:35:20,335 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ceb1d8-f6f9-416c-8d04-fedc14d8e718/bin/ukojak-pZX7IvK2PQ/data/61e0945c5/e017ed1935ae48a4a2d950a358cc0e05 [2022-11-20 17:35:20,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:35:20,341 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:35:20,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:35:20,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:35:20,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:35:20,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:35:20" (1/1) ... [2022-11-20 17:35:20,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20789b11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:20, skipping insertion in model container [2022-11-20 17:35:20,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:35:20" (1/1) ... [2022-11-20 17:35:20,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:35:20,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:35:20,787 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:35:21,012 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:357) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 17:35:21,020 INFO L158 Benchmark]: Toolchain (without parser) took 678.30ms. Allocated memory is still 69.2MB. Free memory was 35.8MB in the beginning and 41.3MB in the end (delta: -5.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:35:21,021 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 69.2MB. Free memory was 46.2MB in the beginning and 46.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:35:21,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 672.96ms. Allocated memory is still 69.2MB. Free memory was 35.6MB in the beginning and 41.3MB in the end (delta: -5.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:35:21,024 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 69.2MB. Free memory was 46.2MB in the beginning and 46.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 672.96ms. Allocated memory is still 69.2MB. Free memory was 35.6MB in the beginning and 41.3MB in the end (delta: -5.7MB). Peak memory consumption was 10.5MB. 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.