./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_c2356aa7-0ca0-41f6-80d4-6d556eabab42/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2356aa7-0ca0-41f6-80d4-6d556eabab42/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_c2356aa7-0ca0-41f6-80d4-6d556eabab42/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2356aa7-0ca0-41f6-80d4-6d556eabab42/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2356aa7-0ca0-41f6-80d4-6d556eabab42/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_c2356aa7-0ca0-41f6-80d4-6d556eabab42/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 38fcc3ba0e79ee05785e6b414a6eeef679d16b982f49df73c00434a543066b4e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:05:08,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:05:08,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:05:08,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:05:08,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:05:08,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:05:08,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:05:08,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:05:08,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:05:08,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:05:08,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:05:08,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:05:08,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:05:08,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:05:08,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:05:08,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:05:08,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:05:08,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:05:08,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:05:08,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:05:08,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:05:08,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:05:08,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:05:08,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:05:08,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:05:08,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:05:08,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:05:08,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:05:08,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:05:08,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:05:08,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:05:08,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:05:08,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:05:08,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:05:08,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:05:08,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:05:08,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:05:08,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:05:08,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:05:08,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:05:08,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:05:08,777 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2356aa7-0ca0-41f6-80d4-6d556eabab42/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:05:08,817 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:05:08,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:05:08,819 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:05:08,819 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:05:08,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:05:08,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:05:08,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:05:08,821 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:05:08,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:05:08,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:05:08,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:05:08,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:05:08,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:05:08,823 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:05:08,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:05:08,823 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:05:08,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:05:08,824 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:05:08,824 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:05:08,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:05:08,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:05:08,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:05:08,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:05:08,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:05:08,825 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:05:08,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:05:08,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:05:08,826 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_c2356aa7-0ca0-41f6-80d4-6d556eabab42/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2356aa7-0ca0-41f6-80d4-6d556eabab42/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38fcc3ba0e79ee05785e6b414a6eeef679d16b982f49df73c00434a543066b4e [2022-11-20 18:05:09,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:05:09,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:05:09,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:05:09,158 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:05:09,158 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:05:09,160 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2356aa7-0ca0-41f6-80d4-6d556eabab42/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_bad.i [2022-11-20 18:05:12,352 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:05:12,783 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:05:12,785 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2356aa7-0ca0-41f6-80d4-6d556eabab42/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_bad.i [2022-11-20 18:05:12,810 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2356aa7-0ca0-41f6-80d4-6d556eabab42/bin/ukojak-pZX7IvK2PQ/data/f5f840591/e90804054c9543059bc37254e4a4380b/FLAGc4d54fbc5 [2022-11-20 18:05:12,827 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2356aa7-0ca0-41f6-80d4-6d556eabab42/bin/ukojak-pZX7IvK2PQ/data/f5f840591/e90804054c9543059bc37254e4a4380b [2022-11-20 18:05:12,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:05:12,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:05:12,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:05:12,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:05:12,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:05:12,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:05:12" (1/1) ... [2022-11-20 18:05:12,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a824fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:12, skipping insertion in model container [2022-11-20 18:05:12,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:05:12" (1/1) ... [2022-11-20 18:05:12,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:05:12,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:05:13,345 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:05:13,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:05:13,862 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:05:13,882 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:05:13,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:05:14,021 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:05:14,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:14 WrapperNode [2022-11-20 18:05:14,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:05:14,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:05:14,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:05:14,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:05:14,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:14" (1/1) ... [2022-11-20 18:05:14,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:14" (1/1) ... [2022-11-20 18:05:14,076 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-11-20 18:05:14,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:05:14,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:05:14,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:05:14,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:05:14,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:14" (1/1) ... [2022-11-20 18:05:14,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:14" (1/1) ... [2022-11-20 18:05:14,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:14" (1/1) ... [2022-11-20 18:05:14,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:14" (1/1) ... [2022-11-20 18:05:14,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:14" (1/1) ... [2022-11-20 18:05:14,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:14" (1/1) ... [2022-11-20 18:05:14,107 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:14" (1/1) ... [2022-11-20 18:05:14,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:14" (1/1) ... [2022-11-20 18:05:14,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:05:14,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:05:14,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:05:14,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:05:14,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:14" (1/1) ... [2022-11-20 18:05:14,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:05:14,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2356aa7-0ca0-41f6-80d4-6d556eabab42/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:05:14,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2356aa7-0ca0-41f6-80d4-6d556eabab42/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:05:14,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2356aa7-0ca0-41f6-80d4-6d556eabab42/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:05:14,194 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 18:05:14,194 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:05:14,194 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:05:14,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:05:14,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 18:05:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:05:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:05:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:05:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:05:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:05:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:05:14,337 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:05:14,339 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:05:14,548 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:05:14,585 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:05:14,586 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:05:14,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:05:14 BoogieIcfgContainer [2022-11-20 18:05:14,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:05:14,590 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:05:14,590 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:05:14,600 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:05:14,600 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:05:14" (1/1) ... [2022-11-20 18:05:14,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:05:14,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:05:14,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2022-11-20 18:05:14,659 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-11-20 18:05:14,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:05:14,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:05:14,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:05:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:05:14,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:05:15,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:05:15,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 21 transitions. [2022-11-20 18:05:15,059 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-11-20 18:05:15,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:05:15,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:05:15,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:05:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:05:15,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:05:15,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:05:15,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 26 transitions. [2022-11-20 18:05:15,279 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-11-20 18:05:15,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:05:15,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:05:15,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:05:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:05:15,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:05:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:05:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:05:15,384 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:05:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:05:15,421 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-11-20 18:05:15,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:05:15 ImpRootNode [2022-11-20 18:05:15,453 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:05:15,454 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:05:15,454 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:05:15,454 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:05:15,455 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:05:14" (3/4) ... [2022-11-20 18:05:15,458 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 18:05:15,459 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:05:15,460 INFO L158 Benchmark]: Toolchain (without parser) took 2625.58ms. Allocated memory is still 169.9MB. Free memory was 131.8MB in the beginning and 116.0MB in the end (delta: 15.8MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2022-11-20 18:05:15,460 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 125.8MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:05:15,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1183.34ms. Allocated memory is still 169.9MB. Free memory was 131.0MB in the beginning and 83.6MB in the end (delta: 47.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-20 18:05:15,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.95ms. Allocated memory is still 169.9MB. Free memory was 83.6MB in the beginning and 81.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:05:15,462 INFO L158 Benchmark]: Boogie Preprocessor took 39.89ms. Allocated memory is still 169.9MB. Free memory was 81.0MB in the beginning and 79.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:05:15,462 INFO L158 Benchmark]: RCFGBuilder took 471.56ms. Allocated memory is still 169.9MB. Free memory was 79.3MB in the beginning and 64.7MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 18:05:15,463 INFO L158 Benchmark]: CodeCheck took 863.47ms. Allocated memory is still 169.9MB. Free memory was 64.7MB in the beginning and 117.1MB in the end (delta: -52.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:05:15,464 INFO L158 Benchmark]: Witness Printer took 5.07ms. Allocated memory is still 169.9MB. Free memory was 117.1MB in the beginning and 116.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:05:15,467 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: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 36 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559. 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] static int staticFive = 5; [L1579] 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={4:0}, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1579] RET printLine("Calling bad()...") VAL [\old(argc)=13, argc=13, argv={18:12}, argv={18:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1580] CALL CWE191_Integer_Underflow__int_fgets_postdec_07_bad() [L1551] int data; [L1552] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1553] COND TRUE staticFive==5 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; 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, staticFive=5] [L1567] COND TRUE staticFive==5 [L1570] data-- VAL [data=-2147483648, data--=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 125.8MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1183.34ms. Allocated memory is still 169.9MB. Free memory was 131.0MB in the beginning and 83.6MB in the end (delta: 47.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.95ms. Allocated memory is still 169.9MB. Free memory was 83.6MB in the beginning and 81.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.89ms. Allocated memory is still 169.9MB. Free memory was 81.0MB in the beginning and 79.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 471.56ms. Allocated memory is still 169.9MB. Free memory was 79.3MB in the beginning and 64.7MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 863.47ms. Allocated memory is still 169.9MB. Free memory was 64.7MB in the beginning and 117.1MB in the end (delta: -52.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.07ms. Allocated memory is still 169.9MB. Free memory was 117.1MB in the beginning and 116.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 18:05:15,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2356aa7-0ca0-41f6-80d4-6d556eabab42/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_c2356aa7-0ca0-41f6-80d4-6d556eabab42/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2356aa7-0ca0-41f6-80d4-6d556eabab42/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_c2356aa7-0ca0-41f6-80d4-6d556eabab42/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2356aa7-0ca0-41f6-80d4-6d556eabab42/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2356aa7-0ca0-41f6-80d4-6d556eabab42/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_c2356aa7-0ca0-41f6-80d4-6d556eabab42/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 38fcc3ba0e79ee05785e6b414a6eeef679d16b982f49df73c00434a543066b4e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:05:17,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:05:18,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:05:18,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:05:18,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:05:18,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:05:18,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:05:18,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:05:18,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:05:18,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:05:18,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:05:18,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:05:18,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:05:18,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:05:18,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:05:18,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:05:18,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:05:18,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:05:18,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:05:18,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:05:18,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:05:18,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:05:18,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:05:18,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:05:18,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:05:18,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:05:18,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:05:18,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:05:18,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:05:18,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:05:18,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:05:18,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:05:18,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:05:18,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:05:18,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:05:18,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:05:18,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:05:18,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:05:18,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:05:18,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:05:18,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:05:18,116 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2356aa7-0ca0-41f6-80d4-6d556eabab42/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-20 18:05:18,160 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:05:18,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:05:18,163 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:05:18,163 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:05:18,164 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:05:18,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:05:18,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:05:18,165 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:05:18,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:05:18,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:05:18,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:05:18,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:05:18,167 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 18:05:18,167 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 18:05:18,167 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:05:18,167 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 18:05:18,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:05:18,168 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:05:18,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:05:18,168 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:05:18,169 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:05:18,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:05:18,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:05:18,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:05:18,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:05:18,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:05:18,170 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 18:05:18,170 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 18:05:18,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:05:18,171 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 18:05:18,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 18:05:18,171 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_c2356aa7-0ca0-41f6-80d4-6d556eabab42/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2356aa7-0ca0-41f6-80d4-6d556eabab42/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38fcc3ba0e79ee05785e6b414a6eeef679d16b982f49df73c00434a543066b4e [2022-11-20 18:05:18,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:05:18,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:05:18,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:05:18,661 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:05:18,662 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:05:18,663 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2356aa7-0ca0-41f6-80d4-6d556eabab42/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_bad.i [2022-11-20 18:05:21,707 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:05:22,128 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:05:22,128 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2356aa7-0ca0-41f6-80d4-6d556eabab42/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_bad.i [2022-11-20 18:05:22,166 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2356aa7-0ca0-41f6-80d4-6d556eabab42/bin/ukojak-pZX7IvK2PQ/data/7be885a9d/6d9a6692b5354b62ab2adde5160e65b0/FLAGbee8067c5 [2022-11-20 18:05:22,191 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2356aa7-0ca0-41f6-80d4-6d556eabab42/bin/ukojak-pZX7IvK2PQ/data/7be885a9d/6d9a6692b5354b62ab2adde5160e65b0 [2022-11-20 18:05:22,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:05:22,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:05:22,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:05:22,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:05:22,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:05:22,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:05:22" (1/1) ... [2022-11-20 18:05:22,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65286199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:22, skipping insertion in model container [2022-11-20 18:05:22,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:05:22" (1/1) ... [2022-11-20 18:05:22,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:05:22,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:05:22,739 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:05:23,149 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:357) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 18:05:23,157 INFO L158 Benchmark]: Toolchain (without parser) took 961.09ms. Allocated memory is still 83.9MB. Free memory was 58.8MB in the beginning and 43.5MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 18:05:23,158 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 67.1MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:05:23,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 955.44ms. Allocated memory is still 83.9MB. Free memory was 58.5MB in the beginning and 43.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 18:05:23,161 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 67.1MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 955.44ms. Allocated memory is still 83.9MB. Free memory was 58.5MB in the beginning and 43.5MB in the end (delta: 15.1MB). 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.