./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_07_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b --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 b446e7c7a08fe67079599fbe0c40710e5b099097c71cf3fd8f8c60b7b33993d6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:01:59,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:01:59,664 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 02:01:59,668 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:01:59,668 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:01:59,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:01:59,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:01:59,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:01:59,690 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:01:59,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:01:59,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:01:59,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:01:59,691 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:01:59,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:01:59,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:01:59,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:01:59,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:01:59,692 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:01:59,692 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:01:59,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:01:59,692 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:01:59,692 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:01:59,692 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:01:59,692 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:01:59,692 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:01:59,693 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:01:59,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:01:59,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:01:59,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:01:59,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:01:59,693 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:01:59,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:01:59,694 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b 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 -> b446e7c7a08fe67079599fbe0c40710e5b099097c71cf3fd8f8c60b7b33993d6 [2024-12-06 02:01:59,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:01:59,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:01:59,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:01:59,945 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:01:59,945 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:01:59,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_07_bad.i [2024-12-06 02:02:02,595 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/data/5e112bccc/c1688b8bfb67458fa417eca0062fdff6/FLAGf4622a88e [2024-12-06 02:02:02,976 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:02:02,977 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_07_bad.i [2024-12-06 02:02:03,000 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/data/5e112bccc/c1688b8bfb67458fa417eca0062fdff6/FLAGf4622a88e [2024-12-06 02:02:03,168 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/data/5e112bccc/c1688b8bfb67458fa417eca0062fdff6 [2024-12-06 02:02:03,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:02:03,171 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:02:03,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:02:03,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:02:03,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:02:03,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:02:03" (1/1) ... [2024-12-06 02:02:03,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21f8e84a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:03, skipping insertion in model container [2024-12-06 02:02:03,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:02:03" (1/1) ... [2024-12-06 02:02:03,221 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:02:04,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:02:04,645 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:02:04,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:02:04,949 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:02:04,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:04 WrapperNode [2024-12-06 02:02:04,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:02:04,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:02:04,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:02:04,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:02:04,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:04" (1/1) ... [2024-12-06 02:02:04,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:04" (1/1) ... [2024-12-06 02:02:05,001 INFO L138 Inliner]: procedures = 936, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-12-06 02:02:05,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:02:05,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:02:05,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:02:05,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:02:05,008 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:04" (1/1) ... [2024-12-06 02:02:05,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:04" (1/1) ... [2024-12-06 02:02:05,011 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:04" (1/1) ... [2024-12-06 02:02:05,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:04" (1/1) ... [2024-12-06 02:02:05,014 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:04" (1/1) ... [2024-12-06 02:02:05,015 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:04" (1/1) ... [2024-12-06 02:02:05,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:04" (1/1) ... [2024-12-06 02:02:05,017 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:04" (1/1) ... [2024-12-06 02:02:05,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:04" (1/1) ... [2024-12-06 02:02:05,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:02:05,020 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:02:05,020 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:02:05,020 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:02:05,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:04" (1/1) ... [2024-12-06 02:02:05,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:02:05,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:02:05,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:02:05,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:02:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:02:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:02:05,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:02:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 02:02:05,073 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 02:02:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:02:05,202 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:02:05,203 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:02:05,321 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-12-06 02:02:05,321 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:02:05,355 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:02:05,355 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:02:05,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:02:05 BoogieIcfgContainer [2024-12-06 02:02:05,356 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:02:05,357 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:02:05,357 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:02:05,365 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:02:05,365 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:02:05" (1/1) ... [2024-12-06 02:02:05,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:02:05,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:02:05,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-06 02:02:05,418 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-06 02:02:05,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:02:05,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:02:05,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:02:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:05,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:02:05,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:02:05,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-12-06 02:02:05,581 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-12-06 02:02:05,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:02:05,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:02:05,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:02:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:05,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:02:05,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:02:05,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 20 transitions. [2024-12-06 02:02:05,701 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 02:02:05,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 02:02:05,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:02:05,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:02:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:02:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:02:05,789 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:02:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:02:05,831 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-12-06 02:02:05,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:02:05 ImpRootNode [2024-12-06 02:02:05,858 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:02:05,859 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:02:05,859 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:02:05,859 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:02:05,860 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:02:05" (3/4) ... [2024-12-06 02:02:05,862 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:02:05,863 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:02:05,864 INFO L158 Benchmark]: Toolchain (without parser) took 2692.66ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 95.6MB in the end (delta: 17.5MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-12-06 02:02:05,864 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:02:05,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1778.20ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 85.5MB in the end (delta: 27.6MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. [2024-12-06 02:02:05,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.62ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 81.7MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:02:05,865 INFO L158 Benchmark]: Boogie Preprocessor took 17.66ms. Allocated memory is still 142.6MB. Free memory was 81.7MB in the beginning and 80.9MB in the end (delta: 752.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:02:05,866 INFO L158 Benchmark]: RCFGBuilder took 335.85ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 67.2MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:02:05,866 INFO L158 Benchmark]: CodeCheck took 501.42ms. Allocated memory is still 142.6MB. Free memory was 67.2MB in the beginning and 95.6MB in the end (delta: -28.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:02:05,867 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 95.6MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:02:05,869 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 53 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 33 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1854]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1843, overapproximation of fgets at line 1841. 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); [L1832] static int staticFive = 5; [L1862] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1862] RET 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, staticFive=5] [L1863] CALL CWE190_Integer_Overflow__int_fgets_square_07_bad() [L1835] int data; [L1836] 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, staticFive=5] [L1837] COND TRUE staticFive==5 [L1840] char inputBuffer[(3 * sizeof(data) + 2)] = ""; 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, staticFive=5] [L1841] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1843] data = atoi(inputBuffer) [L1851] COND TRUE staticFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-46341, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1854] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1778.20ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 85.5MB in the end (delta: 27.6MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.62ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 81.7MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.66ms. Allocated memory is still 142.6MB. Free memory was 81.7MB in the beginning and 80.9MB in the end (delta: 752.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 335.85ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 67.2MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 501.42ms. Allocated memory is still 142.6MB. Free memory was 67.2MB in the beginning and 95.6MB in the end (delta: -28.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 95.6MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 02:02:05,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b --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 b446e7c7a08fe67079599fbe0c40710e5b099097c71cf3fd8f8c60b7b33993d6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:02:08,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:02:08,126 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 02:02:08,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:02:08,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:02:08,156 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:02:08,156 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:02:08,156 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:02:08,157 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:02:08,157 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:02:08,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:02:08,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:02:08,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:02:08,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:02:08,157 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:02:08,157 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:02:08,157 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:02:08,158 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:02:08,158 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:02:08,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:02:08,158 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:02:08,158 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:02:08,158 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:02:08,158 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:02:08,158 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:02:08,158 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:02:08,158 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:02:08,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:02:08,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:02:08,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:02:08,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:02:08,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:02:08,159 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:02:08,159 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:02:08,159 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:02:08,159 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b 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 -> b446e7c7a08fe67079599fbe0c40710e5b099097c71cf3fd8f8c60b7b33993d6 [2024-12-06 02:02:08,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:02:08,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:02:08,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:02:08,453 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:02:08,454 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:02:08,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_07_bad.i [2024-12-06 02:02:11,172 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/data/1a6c8e507/7e34ffba49f948b09966dda15fffda58/FLAG655b2c16f [2024-12-06 02:02:11,521 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:02:11,522 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_07_bad.i [2024-12-06 02:02:11,544 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/data/1a6c8e507/7e34ffba49f948b09966dda15fffda58/FLAG655b2c16f [2024-12-06 02:02:11,559 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/data/1a6c8e507/7e34ffba49f948b09966dda15fffda58 [2024-12-06 02:02:11,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:02:11,562 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:02:11,564 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:02:11,564 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:02:11,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:02:11,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:02:11" (1/1) ... [2024-12-06 02:02:11,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b68bd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:11, skipping insertion in model container [2024-12-06 02:02:11,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:02:11" (1/1) ... [2024-12-06 02:02:11,625 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:02:13,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:02:13,073 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:02:13,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:02:13,389 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:02:13,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:13 WrapperNode [2024-12-06 02:02:13,389 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:02:13,390 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:02:13,390 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:02:13,391 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:02:13,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:13" (1/1) ... [2024-12-06 02:02:13,421 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:13" (1/1) ... [2024-12-06 02:02:13,444 INFO L138 Inliner]: procedures = 941, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-12-06 02:02:13,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:02:13,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:02:13,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:02:13,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:02:13,453 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:13" (1/1) ... [2024-12-06 02:02:13,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:13" (1/1) ... [2024-12-06 02:02:13,457 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:13" (1/1) ... [2024-12-06 02:02:13,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:13" (1/1) ... [2024-12-06 02:02:13,466 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:13" (1/1) ... [2024-12-06 02:02:13,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:13" (1/1) ... [2024-12-06 02:02:13,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:13" (1/1) ... [2024-12-06 02:02:13,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:13" (1/1) ... [2024-12-06 02:02:13,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:13" (1/1) ... [2024-12-06 02:02:13,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:02:13,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:02:13,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:02:13,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:02:13,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:13" (1/1) ... [2024-12-06 02:02:13,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:02:13,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:02:13,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:02:13,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:02:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:02:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:02:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:02:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 02:02:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 02:02:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:02:13,681 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:02:13,683 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:02:17,219 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-06 02:02:17,219 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:02:17,256 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:02:17,256 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:02:17,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:02:17 BoogieIcfgContainer [2024-12-06 02:02:17,257 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:02:17,257 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:02:17,258 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:02:17,265 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:02:17,265 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:02:17" (1/1) ... [2024-12-06 02:02:17,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:02:17,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:02:17,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-06 02:02:17,313 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-06 02:02:17,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:02:17,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:02:17,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:02:17,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:02:17,320 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:02:17,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:02:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:17,447 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:02:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:17,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 02:02:17,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:02:17,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:02:17,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:02:17,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:02:17,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 26 transitions. [2024-12-06 02:02:17,611 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-12-06 02:02:17,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:02:17,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:02:17,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:02:17,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:02:17,614 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:02:17,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16928de-7126-4494-8e81-eb07db62d7be/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process