./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/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_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/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_bf5011c8-fc6d-42e1-9c7a-4988e104e668/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 b46d9056c51296d86959c0dc6477e58afd526030f4a24e2585b0578ae844a196 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:09:47,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:09:47,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:09:47,393 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:09:47,394 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:09:47,417 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:09:47,418 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:09:47,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:09:47,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:09:47,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:09:47,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:09:47,421 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:09:47,421 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:09:47,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:09:47,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:09:47,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:09:47,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:09:47,424 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:09:47,424 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:09:47,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:09:47,425 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:09:47,426 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:09:47,426 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:09:47,427 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:09:47,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:09:47,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:09:47,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:09:47,429 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:09:47,429 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:09:47,429 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:09:47,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:09:47,430 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:09:47,430 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_bf5011c8-fc6d-42e1-9c7a-4988e104e668/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b46d9056c51296d86959c0dc6477e58afd526030f4a24e2585b0578ae844a196 [2023-12-03 03:09:47,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:09:47,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:09:47,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:09:47,660 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:09:47,661 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:09:47,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i [2023-12-03 03:09:50,398 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:09:50,680 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:09:50,681 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i [2023-12-03 03:09:50,704 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/data/54961cba6/b86a8291d5b345eab4d33bd0b6e241c5/FLAG5ac029ac0 [2023-12-03 03:09:50,719 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/data/54961cba6/b86a8291d5b345eab4d33bd0b6e241c5 [2023-12-03 03:09:50,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:09:50,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:09:50,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:09:50,724 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:09:50,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:09:50,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:09:50" (1/1) ... [2023-12-03 03:09:50,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ddc56a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:50, skipping insertion in model container [2023-12-03 03:09:50,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:09:50" (1/1) ... [2023-12-03 03:09:50,795 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:09:51,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:09:51,589 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:09:51,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:09:51,810 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:09:51,810 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:09:51,810 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:09:51,810 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:09:51,811 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:09:51,818 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:09:51,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:51 WrapperNode [2023-12-03 03:09:51,819 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:09:51,820 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:09:51,820 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:09:51,820 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:09:51,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:51" (1/1) ... [2023-12-03 03:09:51,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:51" (1/1) ... [2023-12-03 03:09:51,882 INFO L138 Inliner]: procedures = 500, calls = 57, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 98 [2023-12-03 03:09:51,883 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:09:51,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:09:51,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:09:51,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:09:51,893 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:51" (1/1) ... [2023-12-03 03:09:51,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:51" (1/1) ... [2023-12-03 03:09:51,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:51" (1/1) ... [2023-12-03 03:09:51,897 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:51" (1/1) ... [2023-12-03 03:09:51,902 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:51" (1/1) ... [2023-12-03 03:09:51,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:51" (1/1) ... [2023-12-03 03:09:51,907 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:51" (1/1) ... [2023-12-03 03:09:51,908 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:51" (1/1) ... [2023-12-03 03:09:51,912 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:09:51,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:09:51,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:09:51,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:09:51,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:51" (1/1) ... [2023-12-03 03:09:51,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:09:51,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:09:51,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:09:51,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:09:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:09:51,973 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:09:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:09:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:09:51,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:09:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:09:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:09:52,122 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:09:52,124 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:09:52,295 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:09:52,476 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:09:52,476 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:09:52,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:09:52 BoogieIcfgContainer [2023-12-03 03:09:52,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:09:52,479 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:09:52,479 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:09:52,489 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:09:52,489 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:09:52" (1/1) ... [2023-12-03 03:09:52,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:09:52,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:09:52,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 03:09:52,546 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 03:09:52,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:09:52,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:09:52,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:09:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:09:52,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:09:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:09:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:09:53,057 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:09:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:09:53,107 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:09:53,128 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet113 [2023-12-03 03:09:53,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:09:53 ImpRootNode [2023-12-03 03:09:53,133 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:09:53,134 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:09:53,134 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:09:53,135 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:09:53,135 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:09:52" (3/4) ... [2023-12-03 03:09:53,137 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:09:53,139 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:09:53,140 INFO L158 Benchmark]: Toolchain (without parser) took 2416.78ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 114.7MB in the beginning and 149.0MB in the end (delta: -34.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:09:53,140 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 113.2MB. Free memory was 67.4MB in the beginning and 67.3MB in the end (delta: 121.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:09:53,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1095.25ms. Allocated memory is still 157.3MB. Free memory was 114.3MB in the beginning and 93.9MB in the end (delta: 20.4MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2023-12-03 03:09:53,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.91ms. Allocated memory is still 157.3MB. Free memory was 93.9MB in the beginning and 90.4MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:09:53,142 INFO L158 Benchmark]: Boogie Preprocessor took 28.55ms. Allocated memory is still 157.3MB. Free memory was 90.4MB in the beginning and 89.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:09:53,143 INFO L158 Benchmark]: RCFGBuilder took 565.47ms. Allocated memory is still 157.3MB. Free memory was 89.1MB in the beginning and 111.7MB in the end (delta: -22.6MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-12-03 03:09:53,143 INFO L158 Benchmark]: CodeCheck took 654.73ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 110.8MB in the beginning and 149.0MB in the end (delta: -38.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:09:53,144 INFO L158 Benchmark]: Witness Printer took 4.49ms. Allocated memory is still 188.7MB. Free memory is still 149.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:09:53,147 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: 0.6s, 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 - UnprovableResult [Line: 1551]: 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 1567, overapproximation of bitwiseOr at line 1561. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_predec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1551] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, 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 0.50ms. Allocated memory is still 113.2MB. Free memory was 67.4MB in the beginning and 67.3MB in the end (delta: 121.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1095.25ms. Allocated memory is still 157.3MB. Free memory was 114.3MB in the beginning and 93.9MB in the end (delta: 20.4MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.91ms. Allocated memory is still 157.3MB. Free memory was 93.9MB in the beginning and 90.4MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.55ms. Allocated memory is still 157.3MB. Free memory was 90.4MB in the beginning and 89.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 565.47ms. Allocated memory is still 157.3MB. Free memory was 89.1MB in the beginning and 111.7MB in the end (delta: -22.6MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * CodeCheck took 654.73ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 110.8MB in the beginning and 149.0MB in the end (delta: -38.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.49ms. Allocated memory is still 188.7MB. Free memory is still 149.0MB. 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~nondet113 - 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 03:09:53,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/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_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/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_bf5011c8-fc6d-42e1-9c7a-4988e104e668/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 b46d9056c51296d86959c0dc6477e58afd526030f4a24e2585b0578ae844a196 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:09:55,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:09:55,203 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 03:09:55,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:09:55,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:09:55,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:09:55,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:09:55,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:09:55,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:09:55,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:09:55,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:09:55,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:09:55,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:09:55,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:09:55,241 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:09:55,242 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:09:55,242 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:09:55,243 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:09:55,243 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:09:55,244 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:09:55,244 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:09:55,245 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:09:55,246 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:09:55,246 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:09:55,246 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:09:55,247 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:09:55,247 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:09:55,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:09:55,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:09:55,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:09:55,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:09:55,249 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:09:55,250 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:09:55,250 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:09:55,251 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:09:55,251 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:09:55,251 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_bf5011c8-fc6d-42e1-9c7a-4988e104e668/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b46d9056c51296d86959c0dc6477e58afd526030f4a24e2585b0578ae844a196 [2023-12-03 03:09:55,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:09:55,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:09:55,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:09:55,588 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:09:55,588 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:09:55,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i [2023-12-03 03:09:58,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:09:58,685 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:09:58,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i [2023-12-03 03:09:58,710 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/data/dc09300f0/776dd950e07e480182ba7f98711e9ccc/FLAG2b114ac1e [2023-12-03 03:09:58,722 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/data/dc09300f0/776dd950e07e480182ba7f98711e9ccc [2023-12-03 03:09:58,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:09:58,725 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:09:58,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:09:58,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:09:58,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:09:58,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:09:58" (1/1) ... [2023-12-03 03:09:58,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1319fe5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:58, skipping insertion in model container [2023-12-03 03:09:58,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:09:58" (1/1) ... [2023-12-03 03:09:58,796 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:09:59,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:09:59,580 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:09:59,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:09:59,805 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:09:59,806 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:09:59,806 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:09:59,806 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:09:59,806 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:09:59,813 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:09:59,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:59 WrapperNode [2023-12-03 03:09:59,813 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:09:59,814 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:09:59,814 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:09:59,814 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:09:59,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:59" (1/1) ... [2023-12-03 03:09:59,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:59" (1/1) ... [2023-12-03 03:09:59,875 INFO L138 Inliner]: procedures = 505, calls = 57, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 66 [2023-12-03 03:09:59,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:09:59,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:09:59,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:09:59,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:09:59,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:59" (1/1) ... [2023-12-03 03:09:59,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:59" (1/1) ... [2023-12-03 03:09:59,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:59" (1/1) ... [2023-12-03 03:09:59,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:59" (1/1) ... [2023-12-03 03:09:59,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:59" (1/1) ... [2023-12-03 03:09:59,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:59" (1/1) ... [2023-12-03 03:09:59,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:59" (1/1) ... [2023-12-03 03:09:59,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:59" (1/1) ... [2023-12-03 03:09:59,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:09:59,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:09:59,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:09:59,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:09:59,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:09:59" (1/1) ... [2023-12-03 03:09:59,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:09:59,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:09:59,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:09:59,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:09:59,981 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:09:59,981 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:09:59,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:09:59,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:09:59,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:09:59,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:09:59,982 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:10:00,135 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:10:00,138 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:10:00,261 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:10:00,321 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:10:00,321 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:10:00,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:10:00 BoogieIcfgContainer [2023-12-03 03:10:00,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:10:00,324 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:10:00,324 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:10:00,334 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:10:00,334 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:10:00" (1/1) ... [2023-12-03 03:10:00,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:10:00,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:10:00,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 03:10:00,398 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 03:10:00,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:10:00,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:10:00,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:10:00,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:10:00,404 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:10:00,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:10:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:10:00,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:10:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:10:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:10:00,749 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:10:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:10:00,800 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:10:00,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:10:00,807 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:10:00,825 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet107 [2023-12-03 03:10:00,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:10:00 ImpRootNode [2023-12-03 03:10:00,833 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:10:00,833 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:10:00,833 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:10:00,833 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:10:00,834 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:10:00" (3/4) ... [2023-12-03 03:10:00,836 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:10:00,836 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:10:00,837 INFO L158 Benchmark]: Toolchain (without parser) took 2111.76ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 41.2MB in the beginning and 49.2MB in the end (delta: -7.9MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2023-12-03 03:10:00,838 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 73.4MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:10:00,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1087.32ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 41.0MB in the beginning and 56.3MB in the end (delta: -15.3MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2023-12-03 03:10:00,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.26ms. Allocated memory is still 111.1MB. Free memory was 56.3MB in the beginning and 53.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:10:00,839 INFO L158 Benchmark]: Boogie Preprocessor took 38.13ms. Allocated memory is still 111.1MB. Free memory was 53.2MB in the beginning and 85.5MB in the end (delta: -32.3MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-12-03 03:10:00,840 INFO L158 Benchmark]: RCFGBuilder took 408.19ms. Allocated memory is still 111.1MB. Free memory was 85.5MB in the beginning and 66.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 03:10:00,841 INFO L158 Benchmark]: CodeCheck took 508.98ms. Allocated memory is still 111.1MB. Free memory was 66.0MB in the beginning and 49.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 03:10:00,841 INFO L158 Benchmark]: Witness Printer took 3.41ms. Allocated memory is still 111.1MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:10:00,844 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: 0.5s, 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 - UnprovableResult [Line: 1551]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_predec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1551] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, 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 0.22ms. Allocated memory is still 73.4MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1087.32ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 41.0MB in the beginning and 56.3MB in the end (delta: -15.3MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.26ms. Allocated memory is still 111.1MB. Free memory was 56.3MB in the beginning and 53.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.13ms. Allocated memory is still 111.1MB. Free memory was 53.2MB in the beginning and 85.5MB in the end (delta: -32.3MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * RCFGBuilder took 408.19ms. Allocated memory is still 111.1MB. Free memory was 85.5MB in the beginning and 66.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 508.98ms. Allocated memory is still 111.1MB. Free memory was 66.0MB in the beginning and 49.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.41ms. Allocated memory is still 111.1MB. Free memory is still 49.2MB. 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~nondet107 - 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 03:10:00,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5011c8-fc6d-42e1-9c7a-4988e104e668/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