./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_64_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_e16f631a-fd0e-4135-88de-981cb9b223ed/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16f631a-fd0e-4135-88de-981cb9b223ed/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16f631a-fd0e-4135-88de-981cb9b223ed/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16f631a-fd0e-4135-88de-981cb9b223ed/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16f631a-fd0e-4135-88de-981cb9b223ed/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16f631a-fd0e-4135-88de-981cb9b223ed/bin/ukojak-rkRKPMF4O4 --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 7afadaa203b87047931a514e1328aef4898c7efe7198d5c7150b41e2c6cafd82 --- 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-2329fc7 [2022-12-15 00:51:55,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:51:55,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:51:55,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:51:55,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:51:55,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:51:55,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:51:55,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:51:55,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:51:55,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:51:55,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:51:55,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:51:55,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:51:55,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:51:55,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:51:55,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:51:55,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:51:55,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:51:55,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:51:55,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:51:55,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:51:55,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:51:55,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:51:55,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:51:55,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:51:55,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:51:55,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:51:55,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:51:55,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:51:55,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:51:55,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:51:55,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:51:55,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:51:55,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:51:55,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:51:55,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:51:55,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:51:55,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:51:55,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:51:55,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:51:55,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:51:55,791 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16f631a-fd0e-4135-88de-981cb9b223ed/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 00:51:55,806 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:51:55,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:51:55,807 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:51:55,807 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:51:55,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:51:55,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:51:55,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:51:55,808 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:51:55,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:51:55,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:51:55,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:51:55,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:51:55,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:51:55,809 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 00:51:55,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:51:55,809 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:51:55,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:51:55,809 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:51:55,810 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:51:55,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:51:55,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:51:55,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:51:55,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:51:55,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:51:55,811 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:51:55,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:51:55,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:51:55,811 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_e16f631a-fd0e-4135-88de-981cb9b223ed/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16f631a-fd0e-4135-88de-981cb9b223ed/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7afadaa203b87047931a514e1328aef4898c7efe7198d5c7150b41e2c6cafd82 [2022-12-15 00:51:55,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:51:55,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:51:55,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:51:55,998 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:51:55,999 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:51:56,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16f631a-fd0e-4135-88de-981cb9b223ed/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_64_bad.i [2022-12-15 00:51:58,553 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:51:58,745 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:51:58,745 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16f631a-fd0e-4135-88de-981cb9b223ed/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_64_bad.i [2022-12-15 00:51:58,758 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16f631a-fd0e-4135-88de-981cb9b223ed/bin/ukojak-rkRKPMF4O4/data/f9e3124d9/a0656580ed65468ebfcfbbf6668246ad/FLAGa1de5ffde [2022-12-15 00:51:58,769 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16f631a-fd0e-4135-88de-981cb9b223ed/bin/ukojak-rkRKPMF4O4/data/f9e3124d9/a0656580ed65468ebfcfbbf6668246ad [2022-12-15 00:51:58,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:51:58,771 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:51:58,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:51:58,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:51:58,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:51:58,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:51:58" (1/1) ... [2022-12-15 00:51:58,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@368f33a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:51:58, skipping insertion in model container [2022-12-15 00:51:58,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:51:58" (1/1) ... [2022-12-15 00:51:58,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:51:58,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:51:59,045 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 00:51:59,326 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 00:51:59,331 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:51:59,332 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:51:59,334 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:51:59,334 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:51:59,354 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 00:51:59,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:51:59,365 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:51:59,378 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 00:51:59,407 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 00:51:59,408 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:51:59,409 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:51:59,411 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:51:59,411 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:51:59,414 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 00:51:59,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:51:59,513 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:51:59,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:51:59 WrapperNode [2022-12-15 00:51:59,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:51:59,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:51:59,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:51:59,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:51:59,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:51:59" (1/1) ... [2022-12-15 00:51:59,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:51:59" (1/1) ... [2022-12-15 00:51:59,564 INFO L138 Inliner]: procedures = 500, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2022-12-15 00:51:59,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:51:59,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:51:59,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:51:59,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:51:59,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:51:59" (1/1) ... [2022-12-15 00:51:59,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:51:59" (1/1) ... [2022-12-15 00:51:59,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:51:59" (1/1) ... [2022-12-15 00:51:59,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:51:59" (1/1) ... [2022-12-15 00:51:59,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:51:59" (1/1) ... [2022-12-15 00:51:59,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:51:59" (1/1) ... [2022-12-15 00:51:59,585 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:51:59" (1/1) ... [2022-12-15 00:51:59,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:51:59" (1/1) ... [2022-12-15 00:51:59,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:51:59,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:51:59,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:51:59,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:51:59,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:51:59" (1/1) ... [2022-12-15 00:51:59,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:51:59,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16f631a-fd0e-4135-88de-981cb9b223ed/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:51:59,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16f631a-fd0e-4135-88de-981cb9b223ed/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:51:59,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16f631a-fd0e-4135-88de-981cb9b223ed/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:51:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 00:51:59,650 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 00:51:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 00:51:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 00:51:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:51:59,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:51:59,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:51:59,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 00:51:59,651 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 00:51:59,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 00:51:59,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:51:59,766 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:51:59,767 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:51:59,860 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:51:59,891 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:51:59,892 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 00:51:59,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:51:59 BoogieIcfgContainer [2022-12-15 00:51:59,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:51:59,894 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:51:59,894 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:51:59,902 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:51:59,902 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:51:59" (1/1) ... [2022-12-15 00:51:59,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:51:59,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:51:59,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-12-15 00:51:59,949 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-12-15 00:51:59,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 00:51:59,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:51:59,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:52:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:52:00,050 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 00:52:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:52:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:52:00,122 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 00:52:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:52:00,152 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-12-15 00:52:00,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 12:52:00 ImpRootNode [2022-12-15 00:52:00,170 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 00:52:00,171 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 00:52:00,171 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 00:52:00,171 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 00:52:00,172 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:51:59" (3/4) ... [2022-12-15 00:52:00,173 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 00:52:00,200 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16f631a-fd0e-4135-88de-981cb9b223ed/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 00:52:00,200 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 00:52:00,201 INFO L158 Benchmark]: Toolchain (without parser) took 1429.53ms. Allocated memory is still 167.8MB. Free memory was 125.5MB in the beginning and 86.5MB in the end (delta: 39.0MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2022-12-15 00:52:00,201 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 167.8MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:52:00,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 741.64ms. Allocated memory is still 167.8MB. Free memory was 125.5MB in the beginning and 124.2MB in the end (delta: 1.3MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2022-12-15 00:52:00,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.97ms. Allocated memory is still 167.8MB. Free memory was 124.2MB in the beginning and 120.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 00:52:00,202 INFO L158 Benchmark]: Boogie Preprocessor took 22.05ms. Allocated memory is still 167.8MB. Free memory was 120.7MB in the beginning and 119.9MB in the end (delta: 823.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:52:00,203 INFO L158 Benchmark]: RCFGBuilder took 305.64ms. Allocated memory is still 167.8MB. Free memory was 119.9MB in the beginning and 105.3MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 00:52:00,203 INFO L158 Benchmark]: CodeCheck took 276.40ms. Allocated memory is still 167.8MB. Free memory was 105.3MB in the beginning and 88.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 00:52:00,204 INFO L158 Benchmark]: Witness Printer took 29.63ms. Allocated memory is still 167.8MB. Free memory was 88.6MB in the beginning and 86.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:52:00,206 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - CounterExampleResult [Line: 1569]: integer overflow possible integer overflow possible We found a 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=14, argc=14, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_postdec_64_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_postdec_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] data-- VAL [data=-2147483648, data--=-2147483648, dataPtr={8857:0}, dataVoidPtr={8857:0}, dataVoidPtr={8857:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 167.8MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 741.64ms. Allocated memory is still 167.8MB. Free memory was 125.5MB in the beginning and 124.2MB in the end (delta: 1.3MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.97ms. Allocated memory is still 167.8MB. Free memory was 124.2MB in the beginning and 120.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.05ms. Allocated memory is still 167.8MB. Free memory was 120.7MB in the beginning and 119.9MB in the end (delta: 823.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 305.64ms. Allocated memory is still 167.8MB. Free memory was 119.9MB in the beginning and 105.3MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 276.40ms. Allocated memory is still 167.8MB. Free memory was 105.3MB in the beginning and 88.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 29.63ms. Allocated memory is still 167.8MB. Free memory was 88.6MB in the beginning and 86.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-15 00:52:00,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16f631a-fd0e-4135-88de-981cb9b223ed/bin/ukojak-rkRKPMF4O4/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)