./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_16_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/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_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/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_ed8f9d2b-ec5c-440d-b110-232372dd11c0/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 c4cb47198f264b062dc36e4b377ad0aaadbdda18ccf1266f47e11aa66017b256 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:46:18,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:46:18,070 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:46:18,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:46:18,076 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:46:18,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:46:18,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:46:18,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:46:18,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:46:18,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:46:18,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:46:18,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:46:18,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:46:18,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:46:18,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:46:18,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:46:18,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:46:18,111 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:46:18,112 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:46:18,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:46:18,113 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:46:18,114 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:46:18,114 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:46:18,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:46:18,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:18,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:46:18,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:46:18,117 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:46:18,117 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:46:18,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:46:18,118 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:46:18,119 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_ed8f9d2b-ec5c-440d-b110-232372dd11c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4cb47198f264b062dc36e4b377ad0aaadbdda18ccf1266f47e11aa66017b256 [2023-11-11 23:46:18,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:46:18,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:46:18,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:46:18,461 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:46:18,462 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:46:18,463 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_16_bad.i [2023-11-11 23:46:21,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:46:22,224 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:46:22,225 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_16_bad.i [2023-11-11 23:46:22,268 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/data/29c40cd92/bf2b1ea21efa4d69b08d53d041dca1de/FLAGeff991779 [2023-11-11 23:46:22,291 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/data/29c40cd92/bf2b1ea21efa4d69b08d53d041dca1de [2023-11-11 23:46:22,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:46:22,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:46:22,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:22,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:46:22,314 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:46:22,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:22" (1/1) ... [2023-11-11 23:46:22,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@624684d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:22, skipping insertion in model container [2023-11-11 23:46:22,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:22" (1/1) ... [2023-11-11 23:46:22,421 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:46:22,878 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:46:23,622 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:23,642 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:46:23,683 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:46:23,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:23,994 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:23,994 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:23,994 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:23,995 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:23,995 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:23,995 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:24,004 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:46:24,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24 WrapperNode [2023-11-11 23:46:24,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:24,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:24,007 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:46:24,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:46:24,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24" (1/1) ... [2023-11-11 23:46:24,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24" (1/1) ... [2023-11-11 23:46:24,098 INFO L138 Inliner]: procedures = 500, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2023-11-11 23:46:24,099 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:24,099 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:46:24,100 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:46:24,100 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:46:24,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24" (1/1) ... [2023-11-11 23:46:24,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24" (1/1) ... [2023-11-11 23:46:24,114 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24" (1/1) ... [2023-11-11 23:46:24,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24" (1/1) ... [2023-11-11 23:46:24,122 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24" (1/1) ... [2023-11-11 23:46:24,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24" (1/1) ... [2023-11-11 23:46:24,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24" (1/1) ... [2023-11-11 23:46:24,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24" (1/1) ... [2023-11-11 23:46:24,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:46:24,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:46:24,136 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:46:24,136 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:46:24,137 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24" (1/1) ... [2023-11-11 23:46:24,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:24,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:46:24,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:46:24,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:46:24,225 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:46:24,225 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:46:24,225 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:46:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:46:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-11 23:46:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:46:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:46:24,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:46:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:46:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:46:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:46:24,394 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:46:24,397 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:46:24,552 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:46:24,597 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:46:24,597 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:46:24,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:24 BoogieIcfgContainer [2023-11-11 23:46:24,603 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:46:24,604 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:46:24,605 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:46:24,617 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:46:24,617 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:24" (1/1) ... [2023-11-11 23:46:24,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:46:24,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:24,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-11 23:46:24,695 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-11 23:46:24,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:46:24,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:24,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:24,993 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 23:46:25,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:25,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2023-11-11 23:46:25,041 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-11 23:46:25,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:46:25,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:25,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:46:25,110 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:46:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:46:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:46:25,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:46:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:46:25,288 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-11 23:46:25,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:46:25 ImpRootNode [2023-11-11 23:46:25,342 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:46:25,343 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:46:25,344 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:46:25,344 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:46:25,345 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:24" (3/4) ... [2023-11-11 23:46:25,347 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:46:25,348 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:46:25,352 INFO L158 Benchmark]: Toolchain (without parser) took 3049.12ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 96.9MB in the beginning and 85.9MB in the end (delta: 11.0MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2023-11-11 23:46:25,353 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:46:25,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1698.84ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 96.5MB in the beginning and 128.9MB in the end (delta: -32.4MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2023-11-11 23:46:25,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.53ms. Allocated memory is still 190.8MB. Free memory was 128.9MB in the beginning and 125.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:46:25,357 INFO L158 Benchmark]: Boogie Preprocessor took 35.56ms. Allocated memory is still 190.8MB. Free memory was 125.7MB in the beginning and 124.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:46:25,358 INFO L158 Benchmark]: RCFGBuilder took 467.91ms. Allocated memory is still 190.8MB. Free memory was 124.7MB in the beginning and 108.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:46:25,359 INFO L158 Benchmark]: CodeCheck took 737.50ms. Allocated memory is still 190.8MB. Free memory was 108.9MB in the beginning and 86.6MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-11 23:46:25,361 INFO L158 Benchmark]: Witness Printer took 7.70ms. Allocated memory is still 190.8MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:46:25,366 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 14 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 60 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, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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); [L1580] 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) [L1580] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=18, argc=18, argv={13:19}, argv={13:19}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] CALL CWE191_Integer_Underflow__int_fgets_multiply_16_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE 1 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { 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=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] COND TRUE 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, 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 102.8MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1698.84ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 96.5MB in the beginning and 128.9MB in the end (delta: -32.4MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.53ms. Allocated memory is still 190.8MB. Free memory was 128.9MB in the beginning and 125.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.56ms. Allocated memory is still 190.8MB. Free memory was 125.7MB in the beginning and 124.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 467.91ms. Allocated memory is still 190.8MB. Free memory was 124.7MB in the beginning and 108.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 737.50ms. Allocated memory is still 190.8MB. Free memory was 108.9MB in the beginning and 86.6MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 7.70ms. Allocated memory is still 190.8MB. Free memory is still 85.9MB. 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 23:46:25,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/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_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/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_ed8f9d2b-ec5c-440d-b110-232372dd11c0/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 c4cb47198f264b062dc36e4b377ad0aaadbdda18ccf1266f47e11aa66017b256 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:46:28,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:46:28,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-11 23:46:28,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:46:28,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:46:28,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:46:28,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:46:28,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:46:28,249 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:46:28,254 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:46:28,255 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:46:28,255 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:46:28,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:46:28,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:46:28,258 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:46:28,258 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:46:28,259 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:46:28,259 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:46:28,260 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:46:28,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:46:28,261 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:46:28,262 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:46:28,263 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:46:28,263 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:46:28,263 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:46:28,264 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:46:28,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:46:28,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:28,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:46:28,266 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:46:28,267 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:46:28,268 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:46:28,268 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:46:28,268 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:46:28,269 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:46:28,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:46:28,269 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_ed8f9d2b-ec5c-440d-b110-232372dd11c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4cb47198f264b062dc36e4b377ad0aaadbdda18ccf1266f47e11aa66017b256 [2023-11-11 23:46:28,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:46:28,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:46:28,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:46:28,751 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:46:28,752 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:46:28,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_16_bad.i [2023-11-11 23:46:32,127 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:46:32,632 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:46:32,635 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_16_bad.i [2023-11-11 23:46:32,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/data/c1be1abdf/0049f24ecf884ca5af0fa62dbd27b2fb/FLAGb72fe01ce [2023-11-11 23:46:32,690 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/data/c1be1abdf/0049f24ecf884ca5af0fa62dbd27b2fb [2023-11-11 23:46:32,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:46:32,698 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:46:32,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:32,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:46:32,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:46:32,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:32" (1/1) ... [2023-11-11 23:46:32,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7169d2a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:32, skipping insertion in model container [2023-11-11 23:46:32,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:32" (1/1) ... [2023-11-11 23:46:32,790 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:46:33,318 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:46:34,187 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:34,212 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:46:34,247 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:46:34,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:34,574 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:34,575 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:34,575 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:34,575 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:34,575 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:34,575 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:34,583 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:46:34,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34 WrapperNode [2023-11-11 23:46:34,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:34,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:34,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:46:34,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:46:34,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34" (1/1) ... [2023-11-11 23:46:34,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34" (1/1) ... [2023-11-11 23:46:34,682 INFO L138 Inliner]: procedures = 505, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2023-11-11 23:46:34,682 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:34,684 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:46:34,684 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:46:34,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:46:34,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34" (1/1) ... [2023-11-11 23:46:34,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34" (1/1) ... [2023-11-11 23:46:34,708 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34" (1/1) ... [2023-11-11 23:46:34,708 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34" (1/1) ... [2023-11-11 23:46:34,726 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34" (1/1) ... [2023-11-11 23:46:34,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34" (1/1) ... [2023-11-11 23:46:34,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34" (1/1) ... [2023-11-11 23:46:34,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34" (1/1) ... [2023-11-11 23:46:34,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:46:34,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:46:34,753 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:46:34,753 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:46:34,754 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34" (1/1) ... [2023-11-11 23:46:34,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:34,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:46:34,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:46:34,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:46:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:46:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:46:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:46:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:46:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:46:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:46:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:46:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:46:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:46:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:46:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-11 23:46:35,043 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:46:35,045 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:46:35,248 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:46:35,324 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:46:35,324 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:46:35,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:35 BoogieIcfgContainer [2023-11-11 23:46:35,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:46:35,329 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:46:35,329 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:46:35,340 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:46:35,341 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:35" (1/1) ... [2023-11-11 23:46:35,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:46:35,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:35,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-11 23:46:35,427 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-11 23:46:35,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:46:35,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:35,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:46:35,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:46:35,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:46:35,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:46:35,506 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 23:46:35,510 INFO L158 Benchmark]: Toolchain (without parser) took 2810.35ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 47.5MB in the beginning and 54.5MB in the end (delta: -7.0MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2023-11-11 23:46:35,510 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 75.5MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 80.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:46:35,511 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1881.16ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 47.3MB in the beginning and 53.4MB in the end (delta: -6.0MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2023-11-11 23:46:35,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.82ms. Allocated memory is still 102.8MB. Free memory was 53.4MB in the beginning and 50.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:46:35,515 INFO L158 Benchmark]: Boogie Preprocessor took 68.55ms. Allocated memory is still 102.8MB. Free memory was 50.4MB in the beginning and 48.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:46:35,516 INFO L158 Benchmark]: RCFGBuilder took 574.81ms. Allocated memory is still 102.8MB. Free memory was 48.3MB in the beginning and 60.7MB in the end (delta: -12.4MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2023-11-11 23:46:35,517 INFO L158 Benchmark]: CodeCheck took 179.18ms. Allocated memory is still 102.8MB. Free memory was 60.7MB in the beginning and 54.5MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:46:35,524 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 0.67ms. Allocated memory is still 75.5MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 80.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1881.16ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 47.3MB in the beginning and 53.4MB in the end (delta: -6.0MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.82ms. Allocated memory is still 102.8MB. Free memory was 53.4MB in the beginning and 50.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.55ms. Allocated memory is still 102.8MB. Free memory was 50.4MB in the beginning and 48.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 574.81ms. Allocated memory is still 102.8MB. Free memory was 48.3MB in the beginning and 60.7MB in the end (delta: -12.4MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * CodeCheck took 179.18ms. Allocated memory is still 102.8MB. Free memory was 60.7MB in the beginning and 54.5MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:46:35,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-11 23:46:35,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8f9d2b-ec5c-440d-b110-232372dd11c0/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