./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --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 5b416dce11a4288185e57aab13d044d7d699b9e954a6eb469f5a3a48f8c18dcd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:10:21,435 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:10:21,518 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:10:21,524 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:10:21,525 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:10:21,562 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:10:21,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:10:21,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:10:21,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:10:21,576 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:10:21,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:10:21,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:10:21,579 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:10:21,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:10:21,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:10:21,582 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:10:21,582 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:10:21,582 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:10:21,583 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:10:21,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:10:21,584 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:10:21,585 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:10:21,586 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:10:21,586 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:10:21,587 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:10:21,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:21,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:10:21,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:10:21,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:10:21,589 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:10:21,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:10:21,591 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:10:21,591 INFO L153 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_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b416dce11a4288185e57aab13d044d7d699b9e954a6eb469f5a3a48f8c18dcd [2023-11-23 20:10:21,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:10:21,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:10:21,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:10:21,980 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:10:21,981 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:10:21,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_66_bad.i [2023-11-23 20:10:25,301 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:10:25,845 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:10:25,846 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_66_bad.i [2023-11-23 20:10:25,876 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/data/b2fbb2598/6b1f01191c8c4fa28ae368f8e1b58cc6/FLAG83cfe5b72 [2023-11-23 20:10:25,972 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/data/b2fbb2598/6b1f01191c8c4fa28ae368f8e1b58cc6 [2023-11-23 20:10:25,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:10:25,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:10:25,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:25,983 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:10:25,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:10:25,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:25" (1/1) ... [2023-11-23 20:10:25,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3af17e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:25, skipping insertion in model container [2023-11-23 20:10:25,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:25" (1/1) ... [2023-11-23 20:10:26,112 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:10:26,687 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:10:27,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:27,397 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:10:27,430 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:10:27,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:27,824 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:27,824 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:27,824 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:27,825 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:27,825 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:27,835 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:10:27,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:27 WrapperNode [2023-11-23 20:10:27,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:27,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:27,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:10:27,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:10:27,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:27" (1/1) ... [2023-11-23 20:10:27,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:27" (1/1) ... [2023-11-23 20:10:27,971 INFO L138 Inliner]: procedures = 500, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 94 [2023-11-23 20:10:27,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:27,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:10:27,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:10:27,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:10:27,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:27" (1/1) ... [2023-11-23 20:10:27,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:27" (1/1) ... [2023-11-23 20:10:27,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:27" (1/1) ... [2023-11-23 20:10:27,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:27" (1/1) ... [2023-11-23 20:10:28,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:27" (1/1) ... [2023-11-23 20:10:28,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:27" (1/1) ... [2023-11-23 20:10:28,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:27" (1/1) ... [2023-11-23 20:10:28,009 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:27" (1/1) ... [2023-11-23 20:10:28,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:10:28,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:10:28,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:10:28,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:10:28,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:27" (1/1) ... [2023-11-23 20:10:28,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:28,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:10:28,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:10:28,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:10:28,124 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:10:28,125 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:10:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:10:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:10:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:10:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:10:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:10:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:10:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:10:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:10:28,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:10:28,318 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:10:28,321 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:10:28,624 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:10:28,947 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:10:28,948 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:10:28,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:28 BoogieIcfgContainer [2023-11-23 20:10:28,950 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:10:28,952 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:10:28,952 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:10:28,965 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:10:28,966 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:28" (1/1) ... [2023-11-23 20:10:28,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:10:29,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:29,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-23 20:10:29,068 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-23 20:10:29,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:10:29,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:29,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:10:29,550 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:10:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:10:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:10:30,092 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:10:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:10:30,167 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:10:30,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:10:30 ImpRootNode [2023-11-23 20:10:30,212 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:10:30,216 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:10:30,216 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:10:30,217 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:10:30,217 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:28" (3/4) ... [2023-11-23 20:10:30,224 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:10:30,226 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:10:30,228 INFO L158 Benchmark]: Toolchain (without parser) took 4247.93ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 119.5MB in the beginning and 119.6MB in the end (delta: -95.2kB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:30,229 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 100.7MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:10:30,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1854.22ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 119.5MB in the beginning and 151.8MB in the end (delta: -32.3MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-11-23 20:10:30,232 INFO L158 Benchmark]: Boogie Procedure Inliner took 134.39ms. Allocated memory is still 209.7MB. Free memory was 151.8MB in the beginning and 148.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:10:30,233 INFO L158 Benchmark]: Boogie Preprocessor took 40.63ms. Allocated memory is still 209.7MB. Free memory was 148.6MB in the beginning and 146.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:10:30,234 INFO L158 Benchmark]: RCFGBuilder took 935.86ms. Allocated memory is still 209.7MB. Free memory was 146.6MB in the beginning and 108.8MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-23 20:10:30,236 INFO L158 Benchmark]: CodeCheck took 1260.31ms. Allocated memory is still 209.7MB. Free memory was 108.8MB in the beginning and 120.4MB in the end (delta: -11.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:10:30,237 INFO L158 Benchmark]: Witness Printer took 9.98ms. Allocated memory is still 209.7MB. Free memory was 120.4MB in the beginning and 119.6MB in the end (delta: 846.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:10:30,249 INFO L338 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: 1.2s, 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, 0.1s 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 - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. 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); [L1561] 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) [L1561] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=16, argc=16, argv={14:18}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_sub_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_rand_sub_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataArray={8094:0}, dataArray={8094:0}, 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 0.39ms. Allocated memory is still 100.7MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1854.22ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 119.5MB in the beginning and 151.8MB in the end (delta: -32.3MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 134.39ms. Allocated memory is still 209.7MB. Free memory was 151.8MB in the beginning and 148.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.63ms. Allocated memory is still 209.7MB. Free memory was 148.6MB in the beginning and 146.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 935.86ms. Allocated memory is still 209.7MB. Free memory was 146.6MB in the beginning and 108.8MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 1260.31ms. Allocated memory is still 209.7MB. Free memory was 108.8MB in the beginning and 120.4MB in the end (delta: -11.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.98ms. Allocated memory is still 209.7MB. Free memory was 120.4MB in the beginning and 119.6MB in the end (delta: 846.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:10:30,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/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_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --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 5b416dce11a4288185e57aab13d044d7d699b9e954a6eb469f5a3a48f8c18dcd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:10:33,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:10:33,810 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:10:33,874 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:10:33,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:10:33,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:10:33,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:10:33,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:10:33,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:10:33,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:10:33,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:10:33,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:10:33,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:10:33,891 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:10:33,891 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:10:33,892 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:10:33,893 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:10:33,893 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:10:33,894 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:10:33,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:10:33,896 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:10:33,897 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:10:33,898 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:10:33,898 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:10:33,899 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:10:33,900 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:10:33,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:10:33,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:33,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:10:33,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:10:33,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:10:33,904 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:10:33,904 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:10:33,905 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:10:33,905 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:10:33,906 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:10:33,906 INFO L153 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_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b416dce11a4288185e57aab13d044d7d699b9e954a6eb469f5a3a48f8c18dcd [2023-11-23 20:10:34,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:10:34,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:10:34,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:10:34,530 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:10:34,531 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:10:34,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_66_bad.i [2023-11-23 20:10:37,911 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:10:38,395 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:10:38,396 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_66_bad.i [2023-11-23 20:10:38,425 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/data/a689d6f1e/2518f51ec6414247968144f5b84ef6a9/FLAG91918cd92 [2023-11-23 20:10:38,443 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/data/a689d6f1e/2518f51ec6414247968144f5b84ef6a9 [2023-11-23 20:10:38,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:10:38,450 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:10:38,452 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:38,452 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:10:38,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:10:38,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:38" (1/1) ... [2023-11-23 20:10:38,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c5a656d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:38, skipping insertion in model container [2023-11-23 20:10:38,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:38" (1/1) ... [2023-11-23 20:10:38,551 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:10:39,025 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:10:39,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:39,665 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:10:39,704 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:10:39,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:39,963 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:39,963 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:39,963 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:39,964 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:39,964 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:39,972 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:10:39,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:39 WrapperNode [2023-11-23 20:10:39,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:39,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:39,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:10:39,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:10:39,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:39" (1/1) ... [2023-11-23 20:10:40,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:39" (1/1) ... [2023-11-23 20:10:40,059 INFO L138 Inliner]: procedures = 505, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2023-11-23 20:10:40,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:40,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:10:40,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:10:40,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:10:40,069 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:39" (1/1) ... [2023-11-23 20:10:40,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:39" (1/1) ... [2023-11-23 20:10:40,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:39" (1/1) ... [2023-11-23 20:10:40,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:39" (1/1) ... [2023-11-23 20:10:40,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:39" (1/1) ... [2023-11-23 20:10:40,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:39" (1/1) ... [2023-11-23 20:10:40,100 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:39" (1/1) ... [2023-11-23 20:10:40,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:39" (1/1) ... [2023-11-23 20:10:40,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:10:40,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:10:40,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:10:40,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:10:40,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:39" (1/1) ... [2023-11-23 20:10:40,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:40,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:10:40,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:10:40,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:10:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:10:40,188 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:10:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:10:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:10:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:10:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:10:40,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:10:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:10:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:10:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:10:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:10:40,378 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:10:40,380 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:10:40,524 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:10:40,609 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:10:40,610 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:10:40,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:40 BoogieIcfgContainer [2023-11-23 20:10:40,612 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:10:40,613 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:10:40,613 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:10:40,623 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:10:40,624 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:40" (1/1) ... [2023-11-23 20:10:40,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:10:40,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:40,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-23 20:10:40,698 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-23 20:10:40,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:10:40,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:40,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:10:40,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:10:40,712 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:10:40,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:10:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:10:40,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:10:41,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:10:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:10:41,226 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:10:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:10:41,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:10:41,302 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:10:41,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:10:41 ImpRootNode [2023-11-23 20:10:41,337 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:10:41,340 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:10:41,340 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:10:41,340 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:10:41,341 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:40" (3/4) ... [2023-11-23 20:10:41,342 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:10:41,422 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:10:41,422 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:10:41,424 INFO L158 Benchmark]: Toolchain (without parser) took 2973.43ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 46.0MB in the beginning and 41.3MB in the end (delta: 4.8MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2023-11-23 20:10:41,424 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:10:41,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1521.39ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 45.9MB in the beginning and 61.6MB in the end (delta: -15.7MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2023-11-23 20:10:41,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.80ms. Allocated memory is still 92.3MB. Free memory was 61.6MB in the beginning and 58.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:10:41,426 INFO L158 Benchmark]: Boogie Preprocessor took 46.66ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 56.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:41,426 INFO L158 Benchmark]: RCFGBuilder took 503.80ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 60.5MB in the end (delta: -4.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:10:41,427 INFO L158 Benchmark]: CodeCheck took 724.37ms. Allocated memory is still 92.3MB. Free memory was 60.5MB in the beginning and 43.3MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:10:41,427 INFO L158 Benchmark]: Witness Printer took 82.54ms. Allocated memory is still 92.3MB. Free memory was 43.3MB in the beginning and 41.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:41,435 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 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: 1570]: 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); [L1561] 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) [L1561] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_sub_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_rand_sub_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataArray={8:0}, dataArray={8:0}, 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 0.77ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1521.39ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 45.9MB in the beginning and 61.6MB in the end (delta: -15.7MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.80ms. Allocated memory is still 92.3MB. Free memory was 61.6MB in the beginning and 58.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.66ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 56.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 503.80ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 60.5MB in the end (delta: -4.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 724.37ms. Allocated memory is still 92.3MB. Free memory was 60.5MB in the beginning and 43.3MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 82.54ms. Allocated memory is still 92.3MB. Free memory was 43.3MB in the beginning and 41.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:10:41,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0a47e7-8116-4bdf-aaf1-c0344aacee8a/bin/ukojak-verify-1t5iHCbJaC/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)