./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_17_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_b0e74c99-83cd-4cd7-9e39-a30131962f43/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e74c99-83cd-4cd7-9e39-a30131962f43/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e74c99-83cd-4cd7-9e39-a30131962f43/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e74c99-83cd-4cd7-9e39-a30131962f43/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e74c99-83cd-4cd7-9e39-a30131962f43/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e74c99-83cd-4cd7-9e39-a30131962f43/bin/ukojak-verify-ENZ3QT5qd3 --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 0683192a35b606c605965d3c7591b2a3203200bad2805a7ff5a913dab893a536 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:15:20,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:15:20,200 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e74c99-83cd-4cd7-9e39-a30131962f43/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-24 18:15:20,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:15:20,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:15:20,228 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:15:20,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:15:20,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:15:20,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:15:20,229 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:15:20,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:15:20,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:15:20,230 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:15:20,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:15:20,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:15:20,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:15:20,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:15:20,231 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:15:20,231 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:15:20,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:15:20,231 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:15:20,231 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:15:20,232 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:15:20,232 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:15:20,232 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:15:20,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:15:20,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:15:20,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:15:20,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:15:20,233 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:15:20,233 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:15:20,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:15:20,233 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_b0e74c99-83cd-4cd7-9e39-a30131962f43/bin/ukojak-verify-ENZ3QT5qd3 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 -> 0683192a35b606c605965d3c7591b2a3203200bad2805a7ff5a913dab893a536 [2024-11-24 18:15:20,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:15:20,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:15:20,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:15:20,556 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:15:20,556 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:15:20,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e74c99-83cd-4cd7-9e39-a30131962f43/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_17_bad.i [2024-11-24 18:15:23,617 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e74c99-83cd-4cd7-9e39-a30131962f43/bin/ukojak-verify-ENZ3QT5qd3/data/d03be3c48/b1a19fd09d1b4475abe93b2aa6984a2c/FLAG006d99903 [2024-11-24 18:15:24,045 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:15:24,046 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e74c99-83cd-4cd7-9e39-a30131962f43/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_17_bad.i [2024-11-24 18:15:24,068 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e74c99-83cd-4cd7-9e39-a30131962f43/bin/ukojak-verify-ENZ3QT5qd3/data/d03be3c48/b1a19fd09d1b4475abe93b2aa6984a2c/FLAG006d99903 [2024-11-24 18:15:24,184 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e74c99-83cd-4cd7-9e39-a30131962f43/bin/ukojak-verify-ENZ3QT5qd3/data/d03be3c48/b1a19fd09d1b4475abe93b2aa6984a2c [2024-11-24 18:15:24,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:15:24,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:15:24,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:15:24,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:15:24,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:15:24,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:15:24" (1/1) ... [2024-11-24 18:15:24,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@377c8b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:24, skipping insertion in model container [2024-11-24 18:15:24,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:15:24" (1/1) ... [2024-11-24 18:15:24,264 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:15:25,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:15:25,160 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:15:25,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:15:25,411 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:15:25,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:25 WrapperNode [2024-11-24 18:15:25,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:15:25,413 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:15:25,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:15:25,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:15:25,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:25" (1/1) ... [2024-11-24 18:15:25,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:25" (1/1) ... [2024-11-24 18:15:25,464 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-11-24 18:15:25,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:15:25,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:15:25,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:15:25,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:15:25,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:25" (1/1) ... [2024-11-24 18:15:25,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:25" (1/1) ... [2024-11-24 18:15:25,475 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:25" (1/1) ... [2024-11-24 18:15:25,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:25" (1/1) ... [2024-11-24 18:15:25,479 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:25" (1/1) ... [2024-11-24 18:15:25,480 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:25" (1/1) ... [2024-11-24 18:15:25,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:25" (1/1) ... [2024-11-24 18:15:25,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:25" (1/1) ... [2024-11-24 18:15:25,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:25" (1/1) ... [2024-11-24 18:15:25,487 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:15:25,488 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:15:25,488 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:15:25,488 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:15:25,489 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:25" (1/1) ... [2024-11-24 18:15:25,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:15:25,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e74c99-83cd-4cd7-9e39-a30131962f43/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:15:25,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e74c99-83cd-4cd7-9e39-a30131962f43/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:15:25,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e74c99-83cd-4cd7-9e39-a30131962f43/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:15:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:15:25,572 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:15:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:15:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:15:25,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:15:25,715 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:15:25,717 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:15:25,850 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-24 18:15:25,850 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:15:25,892 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:15:25,892 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 18:15:25,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:15:25 BoogieIcfgContainer [2024-11-24 18:15:25,893 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:15:25,894 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:15:25,894 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:15:25,903 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:15:25,903 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:15:25" (1/1) ... [2024-11-24 18:15:25,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:15:25,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:25,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2024-11-24 18:15:25,956 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-11-24 18:15:25,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:15:25,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:25,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:15:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:26,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:15:26,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:26,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2024-11-24 18:15:26,378 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-24 18:15:26,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 18:15:26,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:26,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:15:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:26,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:15:26,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:26,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2024-11-24 18:15:26,549 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-11-24 18:15:26,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-24 18:15:26,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:26,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:15:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:26,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:15:26,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:26,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2024-11-24 18:15:26,829 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-11-24 18:15:26,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-24 18:15:26,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:26,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:15:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:26,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:15:27,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:27,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2024-11-24 18:15:27,222 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-11-24 18:15:27,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-24 18:15:27,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:27,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:15:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:15:27,244 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:15:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:15:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:15:27,312 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:15:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:15:27,344 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-11-24 18:15:27,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:15:27 ImpRootNode [2024-11-24 18:15:27,385 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:15:27,386 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:15:27,386 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:15:27,388 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:15:27,388 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:15:25" (3/4) ... [2024-11-24 18:15:27,389 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-24 18:15:27,432 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-11-24 18:15:27,479 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e74c99-83cd-4cd7-9e39-a30131962f43/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:15:27,483 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e74c99-83cd-4cd7-9e39-a30131962f43/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:15:27,483 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:15:27,485 INFO L158 Benchmark]: Toolchain (without parser) took 3296.39ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 91.0MB in the beginning and 288.7MB in the end (delta: -197.6MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2024-11-24 18:15:27,485 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:15:27,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1223.09ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 82.3MB in the end (delta: 8.4MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2024-11-24 18:15:27,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.13ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 79.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:15:27,486 INFO L158 Benchmark]: Boogie Preprocessor took 22.34ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 79.0MB in the end (delta: 845.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:15:27,486 INFO L158 Benchmark]: RCFGBuilder took 405.56ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 64.4MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:15:27,487 INFO L158 Benchmark]: CodeCheck took 1491.60ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 64.4MB in the beginning and 293.5MB in the end (delta: -229.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:15:27,491 INFO L158 Benchmark]: Witness Printer took 97.72ms. Allocated memory is still 352.3MB. Free memory was 293.5MB in the beginning and 288.7MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:15:27,494 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, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100 IncrementalHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 22 mSDtfsCounter, 100 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 70 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 2/3 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 - CounterExampleResult [Line: 1560]: integer overflow possible integer overflow possible We found a 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); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] 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] [L1569] CALL CWE190_Integer_Overflow__int_fscanf_add_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 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, i=0] [L1553] COND TRUE i < 1 [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) [L1557] j = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1557] COND TRUE j < 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1560] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1223.09ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 82.3MB in the end (delta: 8.4MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.13ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 79.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.34ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 79.0MB in the end (delta: 845.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 405.56ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 64.4MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1491.60ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 64.4MB in the beginning and 293.5MB in the end (delta: -229.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 97.72ms. Allocated memory is still 352.3MB. Free memory was 293.5MB in the beginning and 288.7MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 18:15:27,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e74c99-83cd-4cd7-9e39-a30131962f43/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)