./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_11_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_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/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_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/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_ad7886a1-0512-482f-8928-84badb363b8e/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 0dd5f11eb472884753ecc908e21d68dcf778f07b97956e532190e01be50ed372 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:25:57,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:25:58,001 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 01:25:58,005 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:25:58,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:25:58,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:25:58,027 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:25:58,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:25:58,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:25:58,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:25:58,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:25:58,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:25:58,030 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:25:58,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:25:58,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:25:58,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:25:58,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:25:58,033 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:25:58,033 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:25:58,034 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:25:58,034 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:25:58,035 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:25:58,035 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:25:58,036 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:25:58,036 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:25:58,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:25:58,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:25:58,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:25:58,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:25:58,038 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:25:58,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:25:58,038 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:25:58,039 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_ad7886a1-0512-482f-8928-84badb363b8e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dd5f11eb472884753ecc908e21d68dcf778f07b97956e532190e01be50ed372 [2023-12-03 01:25:58,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:25:58,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:25:58,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:25:58,270 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:25:58,270 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:25:58,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_11_bad.i [2023-12-03 01:26:01,013 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:26:01,302 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:26:01,302 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_11_bad.i [2023-12-03 01:26:01,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/data/3342991be/2547e95194804ff49172ecc9b702ff74/FLAGa2f772e8d [2023-12-03 01:26:01,336 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/data/3342991be/2547e95194804ff49172ecc9b702ff74 [2023-12-03 01:26:01,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:26:01,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:26:01,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:26:01,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:26:01,345 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:26:01,346 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:26:01" (1/1) ... [2023-12-03 01:26:01,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c9dea1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:01, skipping insertion in model container [2023-12-03 01:26:01,347 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:26:01" (1/1) ... [2023-12-03 01:26:01,401 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:26:02,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:26:02,117 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:26:02,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:26:02,387 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:26:02,387 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:26:02,387 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:26:02,387 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:26:02,395 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:26:02,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:02 WrapperNode [2023-12-03 01:26:02,396 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:26:02,397 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:26:02,397 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:26:02,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:26:02,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:02" (1/1) ... [2023-12-03 01:26:02,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:02" (1/1) ... [2023-12-03 01:26:02,453 INFO L138 Inliner]: procedures = 498, calls = 57, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2023-12-03 01:26:02,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:26:02,454 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:26:02,454 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:26:02,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:26:02,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:02" (1/1) ... [2023-12-03 01:26:02,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:02" (1/1) ... [2023-12-03 01:26:02,467 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:02" (1/1) ... [2023-12-03 01:26:02,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:02" (1/1) ... [2023-12-03 01:26:02,473 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:02" (1/1) ... [2023-12-03 01:26:02,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:02" (1/1) ... [2023-12-03 01:26:02,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:02" (1/1) ... [2023-12-03 01:26:02,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:02" (1/1) ... [2023-12-03 01:26:02,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:26:02,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:26:02,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:26:02,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:26:02,484 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:02" (1/1) ... [2023-12-03 01:26:02,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:26:02,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:26:02,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:26:02,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:26:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 01:26:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 01:26:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2023-12-03 01:26:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2023-12-03 01:26:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:26:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:26:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:26:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 01:26:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:26:02,675 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:26:02,677 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:26:02,780 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:26:02,817 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:26:02,817 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:26:02,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:26:02 BoogieIcfgContainer [2023-12-03 01:26:02,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:26:02,819 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:26:02,819 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:26:02,827 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:26:02,827 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:26:02" (1/1) ... [2023-12-03 01:26:02,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:26:02,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:02,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2023-12-03 01:26:02,884 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2023-12-03 01:26:02,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:26:02,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:02,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:26:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:26:03,009 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:26:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:26:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:26:03,102 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:26:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:26:03,136 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:26:03,159 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-03 01:26:03,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret98 could not be translated [2023-12-03 01:26:03,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret99 could not be translated [2023-12-03 01:26:03,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:26:03 ImpRootNode [2023-12-03 01:26:03,168 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:26:03,169 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:26:03,169 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:26:03,169 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:26:03,170 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:26:02" (3/4) ... [2023-12-03 01:26:03,172 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:26:03,173 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:26:03,174 INFO L158 Benchmark]: Toolchain (without parser) took 1833.43ms. Allocated memory was 153.1MB in the beginning and 207.6MB in the end (delta: 54.5MB). Free memory was 110.6MB in the beginning and 125.4MB in the end (delta: -14.8MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2023-12-03 01:26:03,174 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 107.0MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:26:03,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1054.60ms. Allocated memory was 153.1MB in the beginning and 207.6MB in the end (delta: 54.5MB). Free memory was 110.6MB in the beginning and 162.1MB in the end (delta: -51.5MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2023-12-03 01:26:03,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.97ms. Allocated memory is still 207.6MB. Free memory was 162.1MB in the beginning and 159.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:26:03,176 INFO L158 Benchmark]: Boogie Preprocessor took 27.23ms. Allocated memory is still 207.6MB. Free memory was 159.0MB in the beginning and 157.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:26:03,177 INFO L158 Benchmark]: RCFGBuilder took 336.29ms. Allocated memory is still 207.6MB. Free memory was 157.9MB in the beginning and 143.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 01:26:03,177 INFO L158 Benchmark]: CodeCheck took 348.62ms. Allocated memory is still 207.6MB. Free memory was 143.3MB in the beginning and 126.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 01:26:03,178 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 207.6MB. Free memory was 126.5MB in the beginning and 125.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:26:03,182 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 3 procedures, 21 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, 16 NumberOfCodeBlocks, 16 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: 1560]: 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 1568. 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); [L1568] 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) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_min_multiply_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] 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] [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() 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] [L1556] COND TRUE globalReturnsTrue() [L1558] COND TRUE data < 0 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] [L1560] data * 2 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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 107.0MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1054.60ms. Allocated memory was 153.1MB in the beginning and 207.6MB in the end (delta: 54.5MB). Free memory was 110.6MB in the beginning and 162.1MB in the end (delta: -51.5MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.97ms. Allocated memory is still 207.6MB. Free memory was 162.1MB in the beginning and 159.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.23ms. Allocated memory is still 207.6MB. Free memory was 159.0MB in the beginning and 157.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 336.29ms. Allocated memory is still 207.6MB. Free memory was 157.9MB in the beginning and 143.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 348.62ms. Allocated memory is still 207.6MB. Free memory was 143.3MB in the beginning and 126.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 207.6MB. Free memory was 126.5MB in the beginning and 125.4MB 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~nondet101 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret99 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 01:26:03,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/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_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/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_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/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_ad7886a1-0512-482f-8928-84badb363b8e/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 0dd5f11eb472884753ecc908e21d68dcf778f07b97956e532190e01be50ed372 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:26:05,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:26:05,140 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 01:26:05,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:26:05,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:26:05,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:26:05,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:26:05,173 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:26:05,174 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:26:05,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:26:05,175 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:26:05,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:26:05,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:26:05,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:26:05,177 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:26:05,178 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:26:05,178 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:26:05,179 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:26:05,179 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:26:05,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:26:05,180 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:26:05,180 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:26:05,181 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:26:05,181 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:26:05,181 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:05,182 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:26:05,182 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:26:05,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:26:05,183 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:26:05,183 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:26:05,184 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:26:05,184 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:26:05,184 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:05,185 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:26:05,185 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:26:05,185 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:26:05,185 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_ad7886a1-0512-482f-8928-84badb363b8e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dd5f11eb472884753ecc908e21d68dcf778f07b97956e532190e01be50ed372 [2023-12-03 01:26:05,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:26:05,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:26:05,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:26:05,496 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:26:05,497 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:26:05,498 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_11_bad.i [2023-12-03 01:26:08,247 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:26:08,570 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:26:08,571 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_11_bad.i [2023-12-03 01:26:08,593 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/data/345da2d42/35346ee07e9c45248dd171ef32a6b61e/FLAG4d6c4c7a4 [2023-12-03 01:26:08,607 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/data/345da2d42/35346ee07e9c45248dd171ef32a6b61e [2023-12-03 01:26:08,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:26:08,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:26:08,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:26:08,612 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:26:08,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:26:08,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:26:08" (1/1) ... [2023-12-03 01:26:08,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e73cbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:08, skipping insertion in model container [2023-12-03 01:26:08,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:26:08" (1/1) ... [2023-12-03 01:26:08,674 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:26:09,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:26:09,418 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:26:09,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:26:09,647 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:26:09,648 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:26:09,648 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:26:09,648 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:26:09,656 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:26:09,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09 WrapperNode [2023-12-03 01:26:09,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:26:09,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:26:09,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:26:09,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:26:09,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09" (1/1) ... [2023-12-03 01:26:09,691 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09" (1/1) ... [2023-12-03 01:26:09,715 INFO L138 Inliner]: procedures = 503, calls = 57, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2023-12-03 01:26:09,716 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:26:09,716 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:26:09,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:26:09,716 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:26:09,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09" (1/1) ... [2023-12-03 01:26:09,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09" (1/1) ... [2023-12-03 01:26:09,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09" (1/1) ... [2023-12-03 01:26:09,729 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09" (1/1) ... [2023-12-03 01:26:09,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09" (1/1) ... [2023-12-03 01:26:09,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09" (1/1) ... [2023-12-03 01:26:09,744 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09" (1/1) ... [2023-12-03 01:26:09,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09" (1/1) ... [2023-12-03 01:26:09,750 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:26:09,751 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:26:09,751 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:26:09,751 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:26:09,752 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09" (1/1) ... [2023-12-03 01:26:09,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:26:09,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:26:09,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:26:09,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:26:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 01:26:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 01:26:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2023-12-03 01:26:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2023-12-03 01:26:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:26:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:26:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:26:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:26:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 01:26:09,959 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:26:09,961 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:26:10,064 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:26:10,112 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:26:10,113 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:26:10,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:26:10 BoogieIcfgContainer [2023-12-03 01:26:10,115 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:26:10,116 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:26:10,116 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:26:10,123 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:26:10,123 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:26:10" (1/1) ... [2023-12-03 01:26:10,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:26:10,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:10,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2023-12-03 01:26:10,176 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2023-12-03 01:26:10,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 01:26:10,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:10,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:10,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:10,182 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:10,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:26:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:26:10,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:26:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:26:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:26:10,416 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:26:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:26:10,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:26:10,457 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:26:10,481 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-03 01:26:10,485 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret96 could not be translated [2023-12-03 01:26:10,486 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret97 could not be translated [2023-12-03 01:26:10,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:26:10 ImpRootNode [2023-12-03 01:26:10,490 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:26:10,490 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:26:10,490 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:26:10,491 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:26:10,491 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:26:10" (3/4) ... [2023-12-03 01:26:10,493 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:26:10,494 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:26:10,495 INFO L158 Benchmark]: Toolchain (without parser) took 1884.01ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 44.1MB in the beginning and 40.6MB in the end (delta: 3.4MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-12-03 01:26:10,496 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 106.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:26:10,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1044.41ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 43.8MB in the beginning and 54.6MB in the end (delta: -10.8MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2023-12-03 01:26:10,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.45ms. Allocated memory is still 88.1MB. Free memory was 54.1MB in the beginning and 51.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:26:10,498 INFO L158 Benchmark]: Boogie Preprocessor took 34.35ms. Allocated memory is still 88.1MB. Free memory was 51.1MB in the beginning and 49.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:26:10,498 INFO L158 Benchmark]: RCFGBuilder took 363.84ms. Allocated memory is still 88.1MB. Free memory was 49.1MB in the beginning and 57.0MB in the end (delta: -7.8MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2023-12-03 01:26:10,499 INFO L158 Benchmark]: CodeCheck took 374.23ms. Allocated memory is still 88.1MB. Free memory was 57.0MB in the beginning and 40.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 01:26:10,499 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 88.1MB. Free memory was 40.6MB in the beginning and 40.6MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:26:10,503 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 3 procedures, 20 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, 15 NumberOfCodeBlocks, 15 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: 1560]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_min_multiply_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] 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] [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() 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] [L1556] COND TRUE globalReturnsTrue() [L1558] COND TRUE data < 0 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] [L1560] data * 2 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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 106.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1044.41ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 43.8MB in the beginning and 54.6MB in the end (delta: -10.8MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.45ms. Allocated memory is still 88.1MB. Free memory was 54.1MB in the beginning and 51.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.35ms. Allocated memory is still 88.1MB. Free memory was 51.1MB in the beginning and 49.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 363.84ms. Allocated memory is still 88.1MB. Free memory was 49.1MB in the beginning and 57.0MB in the end (delta: -7.8MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * CodeCheck took 374.23ms. Allocated memory is still 88.1MB. Free memory was 57.0MB in the beginning and 40.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 88.1MB. Free memory was 40.6MB in the beginning and 40.6MB in the end (delta: 2.7kB). 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~nondet99 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret97 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 01:26:10,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7886a1-0512-482f-8928-84badb363b8e/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