./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_16_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_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi --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 f000f47dd9797dd7cda91ebce6e0005e0eb057ef325f883be2add0759da69c36 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:06,953 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:07,052 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:51:07,058 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:51:07,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:51:07,082 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:07,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:51:07,084 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:51:07,085 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:07,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:07,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:07,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:51:07,088 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:51:07,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:07,089 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:51:07,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:07,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:51:07,091 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:51:07,091 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:51:07,092 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:51:07,093 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:07,093 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:07,094 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:07,095 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:07,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:07,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:07,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:07,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:07,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:51:07,098 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:51:07,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:51:07,099 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:51:07,099 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_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f000f47dd9797dd7cda91ebce6e0005e0eb057ef325f883be2add0759da69c36 [2023-11-24 22:51:07,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:07,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:07,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:07,442 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:07,443 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:07,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_16_bad.i [2023-11-24 22:51:10,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:11,126 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:11,129 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_16_bad.i [2023-11-24 22:51:11,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/data/f25e014c0/d805fb77321a4de39a2ff5491ccfd8cf/FLAG982d2ff07 [2023-11-24 22:51:11,185 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/data/f25e014c0/d805fb77321a4de39a2ff5491ccfd8cf [2023-11-24 22:51:11,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:11,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:11,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:11,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:11,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:11,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:11,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b548a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11, skipping insertion in model container [2023-11-24 22:51:11,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:11,313 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:12,355 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:12,366 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:12,478 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:12,641 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:12,641 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:12,641 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:12,642 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:12,650 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:12,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12 WrapperNode [2023-11-24 22:51:12,651 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:12,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:12,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:12,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:12,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12" (1/1) ... [2023-11-24 22:51:12,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12" (1/1) ... [2023-11-24 22:51:12,748 INFO L138 Inliner]: procedures = 498, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2023-11-24 22:51:12,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:12,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:12,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:12,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:12,760 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12" (1/1) ... [2023-11-24 22:51:12,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12" (1/1) ... [2023-11-24 22:51:12,778 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12" (1/1) ... [2023-11-24 22:51:12,779 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12" (1/1) ... [2023-11-24 22:51:12,785 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12" (1/1) ... [2023-11-24 22:51:12,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12" (1/1) ... [2023-11-24 22:51:12,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12" (1/1) ... [2023-11-24 22:51:12,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12" (1/1) ... [2023-11-24 22:51:12,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:12,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:12,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:12,814 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:12,815 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12" (1/1) ... [2023-11-24 22:51:12,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:12,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:12,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:12,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:12,914 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:51:12,914 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:51:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:51:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:51:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:51:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:12,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:51:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:51:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:51:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:51:13,147 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:13,152 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:13,333 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:13,379 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:13,380 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:51:13,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:13 BoogieIcfgContainer [2023-11-24 22:51:13,382 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:13,383 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:13,383 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:13,394 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:13,394 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:13,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:13,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:13,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:51:13,463 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:51:13,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:51:13,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:13,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:13,607 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:51:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:13,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:51:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:13,841 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:51:13,864 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet104 [2023-11-24 22:51:13,870 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-24 22:51:13,870 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-24 22:51:13,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:51:13 ImpRootNode [2023-11-24 22:51:13,875 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:51:13,876 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:51:13,876 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:51:13,876 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:51:13,877 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:13" (3/4) ... [2023-11-24 22:51:13,892 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:51:13,894 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:51:13,895 INFO L158 Benchmark]: Toolchain (without parser) took 2701.66ms. Allocated memory is still 182.5MB. Free memory was 129.8MB in the beginning and 122.9MB in the end (delta: 6.9MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-11-24 22:51:13,896 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 151.0MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:13,896 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1455.81ms. Allocated memory is still 182.5MB. Free memory was 129.7MB in the beginning and 66.9MB in the end (delta: 62.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-24 22:51:13,897 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.51ms. Allocated memory is still 182.5MB. Free memory was 66.9MB in the beginning and 63.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:51:13,897 INFO L158 Benchmark]: Boogie Preprocessor took 62.38ms. Allocated memory is still 182.5MB. Free memory was 63.7MB in the beginning and 62.7MB in the end (delta: 971.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:13,898 INFO L158 Benchmark]: RCFGBuilder took 568.79ms. Allocated memory is still 182.5MB. Free memory was 62.7MB in the beginning and 141.8MB in the end (delta: -79.0MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2023-11-24 22:51:13,899 INFO L158 Benchmark]: CodeCheck took 492.44ms. Allocated memory is still 182.5MB. Free memory was 141.8MB in the beginning and 122.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:51:13,899 INFO L158 Benchmark]: Witness Printer took 18.51ms. Allocated memory is still 182.5MB. Free memory is still 122.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:13,903 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=16, argc=16, argv={14:18}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_predec_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [L1557] COND TRUE 1 [L1560] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={8857:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={8857:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 151.0MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1455.81ms. Allocated memory is still 182.5MB. Free memory was 129.7MB in the beginning and 66.9MB in the end (delta: 62.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.51ms. Allocated memory is still 182.5MB. Free memory was 66.9MB in the beginning and 63.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.38ms. Allocated memory is still 182.5MB. Free memory was 63.7MB in the beginning and 62.7MB in the end (delta: 971.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 568.79ms. Allocated memory is still 182.5MB. Free memory was 62.7MB in the beginning and 141.8MB in the end (delta: -79.0MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * CodeCheck took 492.44ms. Allocated memory is still 182.5MB. Free memory was 141.8MB in the beginning and 122.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 18.51ms. Allocated memory is still 182.5MB. Free memory is still 122.9MB. 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~nondet104 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 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 [2023-11-24 22:51:13,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/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_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi --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 f000f47dd9797dd7cda91ebce6e0005e0eb057ef325f883be2add0759da69c36 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:16,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:16,741 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:51:16,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:16,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:51:16,802 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:51:16,803 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:16,804 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:16,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:16,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:51:16,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:16,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:51:16,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:16,813 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:51:16,813 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:51:16,814 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:51:16,814 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:51:16,814 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:51:16,815 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:51:16,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:51:16,816 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:16,817 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:16,818 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:16,818 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:16,819 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:16,819 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:51:16,820 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:16,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:16,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:16,821 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:16,822 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:51:16,823 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:51:16,823 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:16,823 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:51:16,824 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:51:16,824 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:51:16,824 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_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f000f47dd9797dd7cda91ebce6e0005e0eb057ef325f883be2add0759da69c36 [2023-11-24 22:51:17,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:17,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:17,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:17,301 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:17,302 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:17,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_16_bad.i [2023-11-24 22:51:20,492 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:21,024 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:21,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_16_bad.i [2023-11-24 22:51:21,052 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/data/25eb5f565/e75c193c60e045c8898cf4aa1a3fa7bc/FLAGe2f8b998f [2023-11-24 22:51:21,068 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/data/25eb5f565/e75c193c60e045c8898cf4aa1a3fa7bc [2023-11-24 22:51:21,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:21,074 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:21,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:21,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:21,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:21,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:21" (1/1) ... [2023-11-24 22:51:21,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f359467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:21, skipping insertion in model container [2023-11-24 22:51:21,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:21" (1/1) ... [2023-11-24 22:51:21,168 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:22,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:22,205 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:22,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:22,483 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:22,483 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:22,484 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:22,484 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:22,492 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:22,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:22 WrapperNode [2023-11-24 22:51:22,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:22,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:22,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:22,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:22,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:22" (1/1) ... [2023-11-24 22:51:22,541 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:22" (1/1) ... [2023-11-24 22:51:22,571 INFO L138 Inliner]: procedures = 503, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2023-11-24 22:51:22,572 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:22,573 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:22,573 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:22,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:22,583 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:22" (1/1) ... [2023-11-24 22:51:22,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:22" (1/1) ... [2023-11-24 22:51:22,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:22" (1/1) ... [2023-11-24 22:51:22,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:22" (1/1) ... [2023-11-24 22:51:22,598 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:22" (1/1) ... [2023-11-24 22:51:22,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:22" (1/1) ... [2023-11-24 22:51:22,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:22" (1/1) ... [2023-11-24 22:51:22,608 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:22" (1/1) ... [2023-11-24 22:51:22,613 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:22,614 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:22,614 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:22,615 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:22,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:22" (1/1) ... [2023-11-24 22:51:22,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:22,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:22,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:22,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:51:22,707 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:51:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:51:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:51:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:51:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:22,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:51:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:51:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:51:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:51:22,953 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:22,955 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:23,183 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:23,240 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:23,240 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:51:23,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:23 BoogieIcfgContainer [2023-11-24 22:51:23,242 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:23,251 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:23,251 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:23,261 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:23,262 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:23" (1/1) ... [2023-11-24 22:51:23,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:23,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:23,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:51:23,361 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:51:23,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:51:23,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:23,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:23,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:51:23,377 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:51:23,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:51:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:23,624 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:51:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:23,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:51:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:23,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 22:51:23,960 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:51:23,994 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-11-24 22:51:23,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-24 22:51:23,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-24 22:51:24,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:51:24 ImpRootNode [2023-11-24 22:51:24,004 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:51:24,007 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:51:24,007 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:51:24,007 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:51:24,008 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:23" (3/4) ... [2023-11-24 22:51:24,010 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:51:24,011 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:51:24,013 INFO L158 Benchmark]: Toolchain (without parser) took 2937.87ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 41.4MB in the beginning and 37.8MB in the end (delta: 3.7MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2023-11-24 22:51:24,013 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 69.2MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:24,014 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1415.86ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 41.3MB in the beginning and 48.2MB in the end (delta: -7.0MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2023-11-24 22:51:24,015 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.80ms. Allocated memory is still 96.5MB. Free memory was 47.8MB in the beginning and 45.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:51:24,016 INFO L158 Benchmark]: Boogie Preprocessor took 40.45ms. Allocated memory is still 96.5MB. Free memory was 45.0MB in the beginning and 42.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:51:24,018 INFO L158 Benchmark]: RCFGBuilder took 627.89ms. Allocated memory is still 96.5MB. Free memory was 42.9MB in the beginning and 55.6MB in the end (delta: -12.7MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-11-24 22:51:24,019 INFO L158 Benchmark]: CodeCheck took 753.66ms. Allocated memory is still 96.5MB. Free memory was 55.6MB in the beginning and 38.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:51:24,019 INFO L158 Benchmark]: Witness Printer took 4.66ms. Allocated memory is still 96.5MB. Free memory was 38.2MB in the beginning and 37.8MB in the end (delta: 380.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:24,053 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_predec_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [L1557] COND TRUE 1 [L1560] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 69.2MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1415.86ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 41.3MB in the beginning and 48.2MB in the end (delta: -7.0MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.80ms. Allocated memory is still 96.5MB. Free memory was 47.8MB in the beginning and 45.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.45ms. Allocated memory is still 96.5MB. Free memory was 45.0MB in the beginning and 42.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 627.89ms. Allocated memory is still 96.5MB. Free memory was 42.9MB in the beginning and 55.6MB in the end (delta: -12.7MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * CodeCheck took 753.66ms. Allocated memory is still 96.5MB. Free memory was 55.6MB in the beginning and 38.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.66ms. Allocated memory is still 96.5MB. Free memory was 38.2MB in the beginning and 37.8MB in the end (delta: 380.4kB). 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~nondet102 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 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 [2023-11-24 22:51:24,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a7d5a9a-12bf-4870-a9ad-cca5f1bdba36/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample