./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_01_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV --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 289769868df1af29adfcd70358e97fde8558d98da7a780345593d0ecab377e42 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:56:14,218 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:56:14,358 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:56:14,389 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:56:14,390 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:56:14,422 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:56:14,424 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:56:14,424 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:56:14,425 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:56:14,431 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:56:14,432 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:56:14,433 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:56:14,433 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:56:14,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:56:14,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:56:14,436 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:56:14,436 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:56:14,437 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:56:14,437 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:56:14,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:56:14,438 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:56:14,439 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:56:14,440 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:56:14,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:56:14,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:14,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:56:14,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:56:14,442 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:56:14,443 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:56:14,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:56:14,445 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:56:14,445 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_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 289769868df1af29adfcd70358e97fde8558d98da7a780345593d0ecab377e42 [2023-11-11 23:56:14,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:56:14,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:56:14,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:56:14,791 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:56:14,791 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:56:14,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_01_bad.i [2023-11-11 23:56:17,877 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:56:18,312 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:56:18,316 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_01_bad.i [2023-11-11 23:56:18,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/data/c3e54bfe7/d4f864fe9496497aba03eed97193ecbd/FLAGb077ea69a [2023-11-11 23:56:18,371 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/data/c3e54bfe7/d4f864fe9496497aba03eed97193ecbd [2023-11-11 23:56:18,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:56:18,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:56:18,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:18,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:56:18,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:56:18,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:18" (1/1) ... [2023-11-11 23:56:18,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@798080ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:18, skipping insertion in model container [2023-11-11 23:56:18,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:18" (1/1) ... [2023-11-11 23:56:18,467 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:56:18,905 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:56:19,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:19,449 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:56:19,486 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:56:19,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:19,710 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:19,710 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:19,711 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:19,711 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:19,711 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:19,711 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:19,720 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:56:19,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:19 WrapperNode [2023-11-11 23:56:19,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:19,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:19,723 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:56:19,723 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:56:19,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:19" (1/1) ... [2023-11-11 23:56:19,788 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:19" (1/1) ... [2023-11-11 23:56:19,835 INFO L138 Inliner]: procedures = 500, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2023-11-11 23:56:19,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:19,837 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:56:19,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:56:19,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:56:19,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:19" (1/1) ... [2023-11-11 23:56:19,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:19" (1/1) ... [2023-11-11 23:56:19,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:19" (1/1) ... [2023-11-11 23:56:19,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:19" (1/1) ... [2023-11-11 23:56:19,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:19" (1/1) ... [2023-11-11 23:56:19,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:19" (1/1) ... [2023-11-11 23:56:19,893 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:19" (1/1) ... [2023-11-11 23:56:19,894 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:19" (1/1) ... [2023-11-11 23:56:19,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:56:19,911 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:56:19,911 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:56:19,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:56:19,912 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:19" (1/1) ... [2023-11-11 23:56:19,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:19,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:56:19,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:56:19,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:56:20,006 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:56:20,007 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:56:20,007 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:56:20,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:56:20,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-11 23:56:20,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:56:20,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:56:20,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:56:20,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:56:20,008 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:56:20,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:56:20,170 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:56:20,172 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:56:20,338 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:56:20,394 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:56:20,394 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:56:20,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:56:20 BoogieIcfgContainer [2023-11-11 23:56:20,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:56:20,398 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:56:20,399 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:56:20,410 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:56:20,411 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:56:20" (1/1) ... [2023-11-11 23:56:20,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:56:20,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:56:20,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-11 23:56:20,482 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-11 23:56:20,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:56:20,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:56:20,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:56:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:56:20,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:56:21,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:56:21,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-11 23:56:21,032 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-11 23:56:21,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:56:21,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:56:21,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:56:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:56:21,098 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:56:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:56:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:56:21,196 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:56:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:56:21,230 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-11 23:56:21,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:56:21 ImpRootNode [2023-11-11 23:56:21,292 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:56:21,293 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:56:21,294 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:56:21,294 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:56:21,295 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:56:20" (3/4) ... [2023-11-11 23:56:21,299 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:56:21,301 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:56:21,304 INFO L158 Benchmark]: Toolchain (without parser) took 2923.46ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 116.5MB in the beginning and 128.9MB in the end (delta: -12.4MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2023-11-11 23:56:21,305 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:21,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1337.87ms. Allocated memory is still 157.3MB. Free memory was 116.2MB in the beginning and 68.5MB in the end (delta: 47.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-11 23:56:21,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.53ms. Allocated memory is still 157.3MB. Free memory was 68.5MB in the beginning and 65.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:56:21,308 INFO L158 Benchmark]: Boogie Preprocessor took 72.81ms. Allocated memory is still 157.3MB. Free memory was 65.5MB in the beginning and 64.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:21,310 INFO L158 Benchmark]: RCFGBuilder took 487.10ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 64.3MB in the beginning and 155.1MB in the end (delta: -90.8MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-11-11 23:56:21,316 INFO L158 Benchmark]: CodeCheck took 893.81ms. Allocated memory is still 188.7MB. Free memory was 155.1MB in the beginning and 128.9MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-11 23:56:21,317 INFO L158 Benchmark]: Witness Printer took 9.36ms. Allocated memory is still 188.7MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:21,326 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 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, 0.2s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 1565]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556. 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); [L1572] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1572] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=32, argc=32, argv={12:31}, argv={12:31}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] CALL CWE190_Integer_Overflow__int_fgets_multiply_01_bad() [L1550] int data; [L1551] data = 0 [L1553] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] EXPR data = atoi(inputBuffer) [L1553] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1552-L1562] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, 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 0.34ms. Allocated memory is still 125.8MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1337.87ms. Allocated memory is still 157.3MB. Free memory was 116.2MB in the beginning and 68.5MB in the end (delta: 47.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.53ms. Allocated memory is still 157.3MB. Free memory was 68.5MB in the beginning and 65.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.81ms. Allocated memory is still 157.3MB. Free memory was 65.5MB in the beginning and 64.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 487.10ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 64.3MB in the beginning and 155.1MB in the end (delta: -90.8MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * CodeCheck took 893.81ms. Allocated memory is still 188.7MB. Free memory was 155.1MB in the beginning and 128.9MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 9.36ms. Allocated memory is still 188.7MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-11 23:56:21,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/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_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV --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 289769868df1af29adfcd70358e97fde8558d98da7a780345593d0ecab377e42 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:56:24,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:56:24,274 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-11 23:56:24,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:56:24,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:56:24,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:56:24,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:56:24,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:56:24,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:56:24,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:56:24,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:56:24,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:56:24,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:56:24,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:56:24,346 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:56:24,347 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:56:24,347 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:56:24,348 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:56:24,348 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:56:24,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:56:24,350 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:56:24,351 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:56:24,351 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:56:24,352 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:56:24,352 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:56:24,352 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:56:24,353 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:56:24,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:24,354 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:56:24,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:56:24,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:56:24,356 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:56:24,356 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:56:24,356 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:56:24,357 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:56:24,357 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:56:24,357 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_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 289769868df1af29adfcd70358e97fde8558d98da7a780345593d0ecab377e42 [2023-11-11 23:56:24,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:56:24,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:56:24,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:56:24,794 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:56:24,795 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:56:24,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_01_bad.i [2023-11-11 23:56:28,115 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:56:28,610 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:56:28,613 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_01_bad.i [2023-11-11 23:56:28,642 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/data/a69780760/bec7a4686a6d4fb7bd4d5f4fd7dcdabe/FLAG3d9e11806 [2023-11-11 23:56:28,659 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/data/a69780760/bec7a4686a6d4fb7bd4d5f4fd7dcdabe [2023-11-11 23:56:28,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:56:28,669 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:56:28,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:28,672 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:56:28,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:56:28,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:28" (1/1) ... [2023-11-11 23:56:28,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a730e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:28, skipping insertion in model container [2023-11-11 23:56:28,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:28" (1/1) ... [2023-11-11 23:56:28,785 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:56:29,333 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:56:30,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:30,157 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:56:30,184 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:56:30,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:30,385 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:30,385 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:30,385 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:30,385 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:30,385 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:30,386 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:30,393 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:56:30,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:30 WrapperNode [2023-11-11 23:56:30,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:30,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:30,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:56:30,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:56:30,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:30" (1/1) ... [2023-11-11 23:56:30,453 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:30" (1/1) ... [2023-11-11 23:56:30,482 INFO L138 Inliner]: procedures = 505, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2023-11-11 23:56:30,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:30,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:56:30,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:56:30,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:56:30,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:30" (1/1) ... [2023-11-11 23:56:30,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:30" (1/1) ... [2023-11-11 23:56:30,498 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:30" (1/1) ... [2023-11-11 23:56:30,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:30" (1/1) ... [2023-11-11 23:56:30,509 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:30" (1/1) ... [2023-11-11 23:56:30,511 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:30" (1/1) ... [2023-11-11 23:56:30,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:30" (1/1) ... [2023-11-11 23:56:30,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:30" (1/1) ... [2023-11-11 23:56:30,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:56:30,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:56:30,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:56:30,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:56:30,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:30" (1/1) ... [2023-11-11 23:56:30,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:30,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:56:30,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:56:30,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:56:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:56:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:56:30,631 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:56:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:56:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:56:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:56:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:56:30,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:56:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:56:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:56:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-11 23:56:30,800 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:56:30,803 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:56:30,962 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:56:31,006 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:56:31,007 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:56:31,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:56:31 BoogieIcfgContainer [2023-11-11 23:56:31,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:56:31,011 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:56:31,011 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:56:31,022 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:56:31,022 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:56:31" (1/1) ... [2023-11-11 23:56:31,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:56:31,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:56:31,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-11 23:56:31,093 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-11 23:56:31,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:56:31,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:56:31,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:56:31,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:56:31,105 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:56:31,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:56:31,166 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort RoundingMode not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:159) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:440) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-11 23:56:31,174 INFO L158 Benchmark]: Toolchain (without parser) took 2504.04ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 46.3MB in the beginning and 54.7MB in the end (delta: -8.3MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-11-11 23:56:31,174 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 77.6MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:31,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1723.04ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 46.1MB in the beginning and 52.0MB in the end (delta: -5.8MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2023-11-11 23:56:31,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.54ms. Allocated memory is still 104.9MB. Free memory was 52.0MB in the beginning and 48.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:56:31,177 INFO L158 Benchmark]: Boogie Preprocessor took 59.08ms. Allocated memory is still 104.9MB. Free memory was 48.8MB in the beginning and 76.8MB in the end (delta: -28.0MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2023-11-11 23:56:31,177 INFO L158 Benchmark]: RCFGBuilder took 467.13ms. Allocated memory is still 104.9MB. Free memory was 76.8MB in the beginning and 60.6MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:56:31,178 INFO L158 Benchmark]: CodeCheck took 161.67ms. Allocated memory is still 104.9MB. Free memory was 60.0MB in the beginning and 54.7MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:56:31,184 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort RoundingMode not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort RoundingMode not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 77.6MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1723.04ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 46.1MB in the beginning and 52.0MB in the end (delta: -5.8MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.54ms. Allocated memory is still 104.9MB. Free memory was 52.0MB in the beginning and 48.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.08ms. Allocated memory is still 104.9MB. Free memory was 48.8MB in the beginning and 76.8MB in the end (delta: -28.0MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * RCFGBuilder took 467.13ms. Allocated memory is still 104.9MB. Free memory was 76.8MB in the beginning and 60.6MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 161.67ms. Allocated memory is still 104.9MB. Free memory was 60.0MB in the beginning and 54.7MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:56:31,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-11 23:56:31,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16613ba-632e-400f-acde-bf5ebb84f3e0/bin/ukojak-verify-0OAaufAVZV/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: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort RoundingMode not declared