./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_64_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 69fdb971886e5b8539bd7c91c2ed2613ec546f694a2601ecdfc5a8a5474e7fce --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:46:22,298 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:46:22,362 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 00:46:22,367 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:46:22,367 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:46:22,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:46:22,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:46:22,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:46:22,392 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:46:22,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:46:22,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:46:22,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:46:22,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:46:22,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:46:22,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:46:22,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:46:22,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:46:22,396 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:46:22,397 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:46:22,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:46:22,398 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:46:22,399 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:46:22,399 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:46:22,399 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:46:22,400 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:46:22,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:46:22,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:46:22,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:46:22,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:46:22,402 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:46:22,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:46:22,403 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:46:22,403 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_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69fdb971886e5b8539bd7c91c2ed2613ec546f694a2601ecdfc5a8a5474e7fce [2023-12-03 00:46:22,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:46:22,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:46:22,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:46:22,641 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:46:22,641 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:46:22,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_64_bad.i [2023-12-03 00:46:25,406 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:46:25,712 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:46:25,713 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_64_bad.i [2023-12-03 00:46:25,736 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/data/67b09057c/0546fdcee31c41679568da5b21b8718b/FLAGfbf22b525 [2023-12-03 00:46:25,750 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/data/67b09057c/0546fdcee31c41679568da5b21b8718b [2023-12-03 00:46:25,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:46:25,753 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:46:25,755 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:46:25,755 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:46:25,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:46:25,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:46:25" (1/1) ... [2023-12-03 00:46:25,762 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4322798b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:25, skipping insertion in model container [2023-12-03 00:46:25,762 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:46:25" (1/1) ... [2023-12-03 00:46:25,825 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:46:26,556 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:46:26,568 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:46:26,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:46:26,781 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:46:26,781 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:46:26,781 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:46:26,781 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:46:26,781 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:46:26,787 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:46:26,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:26 WrapperNode [2023-12-03 00:46:26,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:46:26,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:46:26,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:46:26,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:46:26,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:26" (1/1) ... [2023-12-03 00:46:26,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:26" (1/1) ... [2023-12-03 00:46:26,849 INFO L138 Inliner]: procedures = 500, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2023-12-03 00:46:26,850 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:46:26,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:46:26,851 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:46:26,851 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:46:26,858 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:26" (1/1) ... [2023-12-03 00:46:26,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:26" (1/1) ... [2023-12-03 00:46:26,861 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:26" (1/1) ... [2023-12-03 00:46:26,861 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:26" (1/1) ... [2023-12-03 00:46:26,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:26" (1/1) ... [2023-12-03 00:46:26,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:26" (1/1) ... [2023-12-03 00:46:26,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:26" (1/1) ... [2023-12-03 00:46:26,872 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:26" (1/1) ... [2023-12-03 00:46:26,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:46:26,875 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:46:26,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:46:26,876 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:46:26,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:26" (1/1) ... [2023-12-03 00:46:26,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:46:26,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:46:26,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:46:26,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:46:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 00:46:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:46:26,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:46:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:46:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-03 00:46:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:46:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:46:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:46:26,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:46:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:46:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:46:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:46:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:46:27,093 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:46:27,094 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:46:27,213 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:46:27,250 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:46:27,251 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:46:27,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:46:27 BoogieIcfgContainer [2023-12-03 00:46:27,252 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:46:27,253 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:46:27,254 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:46:27,261 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:46:27,261 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:46:27" (1/1) ... [2023-12-03 00:46:27,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:46:27,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:27,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-03 00:46:27,316 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-03 00:46:27,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:46:27,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:27,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:27,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:46:27,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:27,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-03 00:46:27,817 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-03 00:46:27,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:46:27,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:27,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:46:27,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:46:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:46:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:46:27,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:46:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:46:27,989 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 00:46:28,011 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-03 00:46:28,015 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post105 could not be translated [2023-12-03 00:46:28,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:46:28 ImpRootNode [2023-12-03 00:46:28,019 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:46:28,020 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:46:28,020 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:46:28,020 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:46:28,021 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:46:27" (3/4) ... [2023-12-03 00:46:28,023 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:46:28,024 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:46:28,025 INFO L158 Benchmark]: Toolchain (without parser) took 2270.74ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 109.3MB in the beginning and 137.4MB in the end (delta: -28.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2023-12-03 00:46:28,025 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory is still 50.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:46:28,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1033.54ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 108.9MB in the beginning and 134.0MB in the end (delta: -25.2MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2023-12-03 00:46:28,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.87ms. Allocated memory is still 190.8MB. Free memory was 134.0MB in the beginning and 131.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:46:28,027 INFO L158 Benchmark]: Boogie Preprocessor took 24.09ms. Allocated memory is still 190.8MB. Free memory was 131.0MB in the beginning and 128.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:46:28,027 INFO L158 Benchmark]: RCFGBuilder took 377.34ms. Allocated memory is still 190.8MB. Free memory was 128.9MB in the beginning and 112.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:46:28,028 INFO L158 Benchmark]: CodeCheck took 765.81ms. Allocated memory is still 190.8MB. Free memory was 112.1MB in the beginning and 138.4MB in the end (delta: -26.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:46:28,029 INFO L158 Benchmark]: Witness Printer took 3.81ms. Allocated memory is still 190.8MB. Free memory was 138.4MB in the beginning and 137.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:46:28,032 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, 16 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, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 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, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 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: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569. 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); [L1569] 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) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=71, argc=71, argv={70:72}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_postinc_64_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] EXPR data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1553-L1563] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1564] CALL CWE190_Integer_Overflow__int_fgets_postinc_64b_badSink(&data) [L1576] int * dataPtr = (int *)dataVoidPtr; [L1577] EXPR \read(*dataPtr) [L1577] int data = (*dataPtr); [L1579] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, dataPtr={5855:0}, dataVoidPtr={5855:0}, dataVoidPtr={5855:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory is still 50.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1033.54ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 108.9MB in the beginning and 134.0MB in the end (delta: -25.2MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.87ms. Allocated memory is still 190.8MB. Free memory was 134.0MB in the beginning and 131.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.09ms. Allocated memory is still 190.8MB. Free memory was 131.0MB in the beginning and 128.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 377.34ms. Allocated memory is still 190.8MB. Free memory was 128.9MB in the beginning and 112.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 765.81ms. Allocated memory is still 190.8MB. Free memory was 112.1MB in the beginning and 138.4MB in the end (delta: -26.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.81ms. Allocated memory is still 190.8MB. Free memory was 138.4MB in the beginning and 137.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet102 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post105 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:46:28,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 69fdb971886e5b8539bd7c91c2ed2613ec546f694a2601ecdfc5a8a5474e7fce --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:46:30,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:46:30,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 00:46:30,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:46:30,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:46:30,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:46:30,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:46:30,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:46:30,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:46:30,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:46:30,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:46:30,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:46:30,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:46:30,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:46:30,110 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:46:30,110 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:46:30,111 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:46:30,111 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:46:30,112 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:46:30,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:46:30,113 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:46:30,113 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:46:30,114 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:46:30,114 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:46:30,115 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:30,115 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:46:30,116 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:46:30,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:46:30,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:46:30,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:46:30,117 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:46:30,118 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:46:30,118 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:30,118 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:46:30,118 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:46:30,119 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:46:30,119 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_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69fdb971886e5b8539bd7c91c2ed2613ec546f694a2601ecdfc5a8a5474e7fce [2023-12-03 00:46:30,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:46:30,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:46:30,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:46:30,463 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:46:30,463 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:46:30,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_64_bad.i [2023-12-03 00:46:33,267 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:46:33,580 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:46:33,581 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_64_bad.i [2023-12-03 00:46:33,604 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/data/e371f5268/ad7f5600495e4dc1829aaf489eebf40c/FLAGf0dd34089 [2023-12-03 00:46:33,616 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/data/e371f5268/ad7f5600495e4dc1829aaf489eebf40c [2023-12-03 00:46:33,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:46:33,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:46:33,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:46:33,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:46:33,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:46:33,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:46:33" (1/1) ... [2023-12-03 00:46:33,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@488c8f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:33, skipping insertion in model container [2023-12-03 00:46:33,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:46:33" (1/1) ... [2023-12-03 00:46:33,676 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:46:34,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:46:34,377 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 00:46:34,390 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:46:34,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:46:34,476 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:46:34,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:46:34,651 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:46:34,651 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:46:34,651 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:46:34,651 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:46:34,652 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:46:34,658 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:46:34,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:34 WrapperNode [2023-12-03 00:46:34,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:46:34,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:46:34,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:46:34,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:46:34,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:34" (1/1) ... [2023-12-03 00:46:34,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:34" (1/1) ... [2023-12-03 00:46:34,717 INFO L138 Inliner]: procedures = 505, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2023-12-03 00:46:34,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:46:34,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:46:34,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:46:34,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:46:34,725 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:34" (1/1) ... [2023-12-03 00:46:34,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:34" (1/1) ... [2023-12-03 00:46:34,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:34" (1/1) ... [2023-12-03 00:46:34,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:34" (1/1) ... [2023-12-03 00:46:34,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:34" (1/1) ... [2023-12-03 00:46:34,743 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:34" (1/1) ... [2023-12-03 00:46:34,747 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:34" (1/1) ... [2023-12-03 00:46:34,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:34" (1/1) ... [2023-12-03 00:46:34,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:46:34,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:46:34,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:46:34,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:46:34,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:34" (1/1) ... [2023-12-03 00:46:34,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:46:34,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:46:34,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:46:34,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:46:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 00:46:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:46:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:46:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:46:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:46:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:46:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:46:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:46:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:46:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:46:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:46:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:46:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-03 00:46:34,973 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:46:34,976 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:46:35,220 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:46:35,259 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:46:35,260 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:46:35,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:46:35 BoogieIcfgContainer [2023-12-03 00:46:35,261 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:46:35,262 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:46:35,262 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:46:35,272 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:46:35,272 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:46:35" (1/1) ... [2023-12-03 00:46:35,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:46:35,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:35,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-03 00:46:35,325 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-03 00:46:35,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:46:35,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:35,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:35,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:35,372 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:35,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:46:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:35,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:35,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:46:35,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:35,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:46:35,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:46:35,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:35,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-03 00:46:35,660 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-03 00:46:35,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:46:35,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:35,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:35,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:35,662 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:35,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:46:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:46:35,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:46:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:46:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:46:36,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:46:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:46:37,278 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:46:37,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-12-03 00:46:37,279 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 00:46:37,301 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-03 00:46:37,304 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post103 could not be translated [2023-12-03 00:46:37,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:46:37 ImpRootNode [2023-12-03 00:46:37,309 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:46:37,309 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:46:37,309 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:46:37,310 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:46:37,310 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:46:35" (3/4) ... [2023-12-03 00:46:37,312 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:46:37,313 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:46:37,314 INFO L158 Benchmark]: Toolchain (without parser) took 3694.68ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 48.7MB in the beginning and 49.4MB in the end (delta: -683.9kB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-12-03 00:46:37,315 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 75.5MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:46:37,315 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1038.74ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 48.5MB in the beginning and 54.9MB in the end (delta: -6.4MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-12-03 00:46:37,316 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.41ms. Allocated memory is still 98.6MB. Free memory was 54.9MB in the beginning and 52.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:46:37,317 INFO L158 Benchmark]: Boogie Preprocessor took 36.08ms. Allocated memory is still 98.6MB. Free memory was 52.0MB in the beginning and 49.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:46:37,317 INFO L158 Benchmark]: RCFGBuilder took 506.32ms. Allocated memory is still 98.6MB. Free memory was 49.9MB in the beginning and 63.5MB in the end (delta: -13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:46:37,318 INFO L158 Benchmark]: CodeCheck took 2046.64ms. Allocated memory is still 98.6MB. Free memory was 63.5MB in the beginning and 50.0MB in the end (delta: 13.5MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2023-12-03 00:46:37,318 INFO L158 Benchmark]: Witness Printer took 3.90ms. Allocated memory is still 98.6MB. Free memory was 50.0MB in the beginning and 49.4MB in the end (delta: 645.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:46:37,322 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, 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, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 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, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 110 ConjunctsInSsa, 1 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: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569. 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); [L1569] 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) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_postinc_64_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] EXPR data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1553-L1563] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1564] CALL CWE190_Integer_Overflow__int_fgets_postinc_64b_badSink(&data) [L1576] int * dataPtr = (int *)dataVoidPtr; [L1577] EXPR \read(*dataPtr) [L1577] int data = (*dataPtr); [L1579] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, dataPtr={8:0}, dataVoidPtr={8:0}, dataVoidPtr={8:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 75.5MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1038.74ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 48.5MB in the beginning and 54.9MB in the end (delta: -6.4MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.41ms. Allocated memory is still 98.6MB. Free memory was 54.9MB in the beginning and 52.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.08ms. Allocated memory is still 98.6MB. Free memory was 52.0MB in the beginning and 49.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 506.32ms. Allocated memory is still 98.6MB. Free memory was 49.9MB in the beginning and 63.5MB in the end (delta: -13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2046.64ms. Allocated memory is still 98.6MB. Free memory was 63.5MB in the beginning and 50.0MB in the end (delta: 13.5MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Witness Printer took 3.90ms. Allocated memory is still 98.6MB. Free memory was 50.0MB in the beginning and 49.4MB in the end (delta: 645.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post103 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:46:37,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f7903-e1be-4dc8-b53d-103efcb4af54/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample