./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_05_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9 --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 c6e06cb257af2e687f8aadbb10e11a159984be20e594282cc13625c13bcacfe4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:03:48,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:03:48,610 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:03:48,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:03:48,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:03:48,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:03:48,637 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:03:48,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:03:48,638 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:03:48,639 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:03:48,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:03:48,640 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:03:48,640 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:03:48,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:03:48,641 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:03:48,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:03:48,642 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:03:48,643 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:03:48,643 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:03:48,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:03:48,644 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:03:48,645 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:03:48,645 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:03:48,646 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:03:48,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:03:48,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:03:48,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:03:48,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:03:48,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:03:48,648 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:03:48,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:03:48,649 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:03:48,649 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_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6e06cb257af2e687f8aadbb10e11a159984be20e594282cc13625c13bcacfe4 [2023-12-03 03:03:48,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:03:48,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:03:48,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:03:48,887 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:03:48,887 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:03:48,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_05_bad.i [2023-12-03 03:03:51,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:03:51,903 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:03:51,903 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_05_bad.i [2023-12-03 03:03:51,928 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/data/0cc2c7fae/0b1ee33dd955428484a7acfcb6044aa7/FLAG569725496 [2023-12-03 03:03:51,942 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/data/0cc2c7fae/0b1ee33dd955428484a7acfcb6044aa7 [2023-12-03 03:03:51,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:03:51,946 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:03:51,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:03:51,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:03:51,952 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:03:51,953 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:03:51" (1/1) ... [2023-12-03 03:03:51,954 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73dccc90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:51, skipping insertion in model container [2023-12-03 03:03:51,954 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:03:51" (1/1) ... [2023-12-03 03:03:52,026 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:03:52,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:03:52,720 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:03:52,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:03:52,972 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:03:52,972 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:03:52,972 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:03:52,972 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:03:52,978 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:03:52,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:52 WrapperNode [2023-12-03 03:03:52,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:03:52,979 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:03:52,979 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:03:52,980 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:03:52,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:52" (1/1) ... [2023-12-03 03:03:53,006 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:52" (1/1) ... [2023-12-03 03:03:53,027 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2023-12-03 03:03:53,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:03:53,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:03:53,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:03:53,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:03:53,038 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:52" (1/1) ... [2023-12-03 03:03:53,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:52" (1/1) ... [2023-12-03 03:03:53,041 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:52" (1/1) ... [2023-12-03 03:03:53,041 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:52" (1/1) ... [2023-12-03 03:03:53,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:52" (1/1) ... [2023-12-03 03:03:53,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:52" (1/1) ... [2023-12-03 03:03:53,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:52" (1/1) ... [2023-12-03 03:03:53,051 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:52" (1/1) ... [2023-12-03 03:03:53,054 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:03:53,055 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:03:53,055 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:03:53,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:03:53,056 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:52" (1/1) ... [2023-12-03 03:03:53,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:03:53,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:03:53,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:03:53,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:03:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:03:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:03:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:03:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:03:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:03:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:03:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:03:53,254 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:03:53,256 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:03:53,344 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:03:53,386 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:03:53,386 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:03:53,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:03:53 BoogieIcfgContainer [2023-12-03 03:03:53,388 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:03:53,389 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:03:53,389 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:03:53,399 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:03:53,399 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:03:53" (1/1) ... [2023-12-03 03:03:53,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:03:53,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:53,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 03:03:53,462 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 03:03:53,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:03:53,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:53,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:03:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:03:53,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:03:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:03:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:03:53,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:03:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:03:53,689 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:03:53,711 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-03 03:03:53,713 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated [2023-12-03 03:03:53,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:03:53 ImpRootNode [2023-12-03 03:03:53,717 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:03:53,717 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:03:53,718 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:03:53,718 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:03:53,718 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:03:53" (3/4) ... [2023-12-03 03:03:53,720 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:03:53,721 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:03:53,722 INFO L158 Benchmark]: Toolchain (without parser) took 1776.25ms. Allocated memory is still 157.3MB. Free memory was 121.0MB in the beginning and 87.7MB in the end (delta: 33.3MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2023-12-03 03:03:53,723 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:03:53,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1031.71ms. Allocated memory is still 157.3MB. Free memory was 121.0MB in the beginning and 123.3MB in the end (delta: -2.3MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2023-12-03 03:03:53,724 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.49ms. Allocated memory is still 157.3MB. Free memory was 123.3MB in the beginning and 120.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:03:53,725 INFO L158 Benchmark]: Boogie Preprocessor took 25.66ms. Allocated memory is still 157.3MB. Free memory was 120.2MB in the beginning and 119.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:03:53,725 INFO L158 Benchmark]: RCFGBuilder took 333.13ms. Allocated memory is still 157.3MB. Free memory was 119.1MB in the beginning and 105.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:03:53,726 INFO L158 Benchmark]: CodeCheck took 328.10ms. Allocated memory is still 157.3MB. Free memory was 104.4MB in the beginning and 88.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 03:03:53,727 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 157.3MB. Free memory was 88.7MB in the beginning and 87.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:03:53,730 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 7 NumberOfCodeBlocks, 7 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: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1570] 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}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_min_postdec_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [L1556] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1558] COND TRUE \read(staticTrue) [L1561] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1031.71ms. Allocated memory is still 157.3MB. Free memory was 121.0MB in the beginning and 123.3MB in the end (delta: -2.3MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.49ms. Allocated memory is still 157.3MB. Free memory was 123.3MB in the beginning and 120.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.66ms. Allocated memory is still 157.3MB. Free memory was 120.2MB in the beginning and 119.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 333.13ms. Allocated memory is still 157.3MB. Free memory was 119.1MB in the beginning and 105.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 328.10ms. Allocated memory is still 157.3MB. Free memory was 104.4MB in the beginning and 88.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 157.3MB. Free memory was 88.7MB in the beginning and 87.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:03:53,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/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_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9 --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 c6e06cb257af2e687f8aadbb10e11a159984be20e594282cc13625c13bcacfe4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:03:55,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:03:55,765 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 03:03:55,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:03:55,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:03:55,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:03:55,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:03:55,799 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:03:55,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:03:55,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:03:55,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:03:55,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:03:55,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:03:55,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:03:55,803 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:03:55,803 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:03:55,804 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:03:55,804 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:03:55,805 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:03:55,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:03:55,806 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:03:55,808 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:03:55,809 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:03:55,809 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:03:55,810 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:03:55,810 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:03:55,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:03:55,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:03:55,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:03:55,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:03:55,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:03:55,813 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:03:55,813 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:03:55,813 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:03:55,813 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:03:55,814 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:03:55,814 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_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6e06cb257af2e687f8aadbb10e11a159984be20e594282cc13625c13bcacfe4 [2023-12-03 03:03:56,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:03:56,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:03:56,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:03:56,122 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:03:56,123 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:03:56,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_05_bad.i [2023-12-03 03:03:58,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:03:59,256 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:03:59,256 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_05_bad.i [2023-12-03 03:03:59,282 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/data/8e1f54b44/07eff33871f143318ccf533dc6cb1a3f/FLAGde7ce51d0 [2023-12-03 03:03:59,296 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/data/8e1f54b44/07eff33871f143318ccf533dc6cb1a3f [2023-12-03 03:03:59,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:03:59,301 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:03:59,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:03:59,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:03:59,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:03:59,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:03:59" (1/1) ... [2023-12-03 03:03:59,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3596037e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:59, skipping insertion in model container [2023-12-03 03:03:59,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:03:59" (1/1) ... [2023-12-03 03:03:59,366 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:04:00,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:04:00,121 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:04:00,210 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:04:00,368 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:04:00,368 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:04:00,368 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:04:00,369 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:04:00,375 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:04:00,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:00 WrapperNode [2023-12-03 03:04:00,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:04:00,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:04:00,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:04:00,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:04:00,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:00" (1/1) ... [2023-12-03 03:04:00,411 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:00" (1/1) ... [2023-12-03 03:04:00,433 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2023-12-03 03:04:00,433 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:04:00,434 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:04:00,434 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:04:00,434 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:04:00,441 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:00" (1/1) ... [2023-12-03 03:04:00,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:00" (1/1) ... [2023-12-03 03:04:00,445 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:00" (1/1) ... [2023-12-03 03:04:00,445 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:00" (1/1) ... [2023-12-03 03:04:00,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:00" (1/1) ... [2023-12-03 03:04:00,456 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:00" (1/1) ... [2023-12-03 03:04:00,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:00" (1/1) ... [2023-12-03 03:04:00,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:00" (1/1) ... [2023-12-03 03:04:00,465 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:04:00,466 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:04:00,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:04:00,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:04:00,467 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:00" (1/1) ... [2023-12-03 03:04:00,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:04:00,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:04:00,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:04:00,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:04:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:04:00,524 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:04:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:04:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:04:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:04:00,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:04:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:04:00,669 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:04:00,671 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:04:00,771 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:04:00,820 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:04:00,821 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:04:00,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:04:00 BoogieIcfgContainer [2023-12-03 03:04:00,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:04:00,823 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:04:00,824 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:04:00,831 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:04:00,831 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:04:00" (1/1) ... [2023-12-03 03:04:00,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:04:00,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:00,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 03:04:00,910 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 03:04:00,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:04:00,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:00,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:04:00,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:04:00,917 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:04:00,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:04:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:04:01,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:04:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:04:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:04:01,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:04:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:04:01,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:04:01,218 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:04:01,239 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-12-03 03:04:01,243 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated [2023-12-03 03:04:01,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:04:01 ImpRootNode [2023-12-03 03:04:01,246 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:04:01,247 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:04:01,247 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:04:01,247 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:04:01,248 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:04:00" (3/4) ... [2023-12-03 03:04:01,250 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:04:01,251 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:04:01,252 INFO L158 Benchmark]: Toolchain (without parser) took 1951.02ms. Allocated memory is still 125.8MB. Free memory was 98.8MB in the beginning and 83.7MB in the end (delta: 15.2MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-12-03 03:04:01,252 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:04:01,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1073.66ms. Allocated memory is still 125.8MB. Free memory was 98.4MB in the beginning and 68.3MB in the end (delta: 30.1MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2023-12-03 03:04:01,253 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.79ms. Allocated memory is still 125.8MB. Free memory was 68.3MB in the beginning and 64.8MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:04:01,254 INFO L158 Benchmark]: Boogie Preprocessor took 32.16ms. Allocated memory is still 125.8MB. Free memory was 64.8MB in the beginning and 63.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:04:01,254 INFO L158 Benchmark]: RCFGBuilder took 356.15ms. Allocated memory is still 125.8MB. Free memory was 63.4MB in the beginning and 47.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 03:04:01,255 INFO L158 Benchmark]: CodeCheck took 423.17ms. Allocated memory is still 125.8MB. Free memory was 46.7MB in the beginning and 83.7MB in the end (delta: -37.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:04:01,255 INFO L158 Benchmark]: Witness Printer took 3.90ms. Allocated memory is still 125.8MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:04:01,259 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 7 NumberOfCodeBlocks, 7 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: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1570] 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}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] 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, staticFalse=0, staticTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_min_postdec_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [L1556] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1558] COND TRUE \read(staticTrue) [L1561] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1073.66ms. Allocated memory is still 125.8MB. Free memory was 98.4MB in the beginning and 68.3MB in the end (delta: 30.1MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.79ms. Allocated memory is still 125.8MB. Free memory was 68.3MB in the beginning and 64.8MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.16ms. Allocated memory is still 125.8MB. Free memory was 64.8MB in the beginning and 63.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.15ms. Allocated memory is still 125.8MB. Free memory was 63.4MB in the beginning and 47.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 423.17ms. Allocated memory is still 125.8MB. Free memory was 46.7MB in the beginning and 83.7MB in the end (delta: -37.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.90ms. Allocated memory is still 125.8MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet98 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:04:01,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7babf868-bdac-4ef7-9361-d05d88ac047c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample