./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/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_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/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_a74e8ccb-3a43-4017-87a0-a592d37e8303/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 a0f9943518c6721d9e6c1d0bc444caec6ec81ec7ab33ad823efb20af4787efc7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:03:21,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:03:21,658 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:03:21,662 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:03:21,663 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:03:21,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:03:21,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:03:21,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:03:21,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:03:21,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:03:21,686 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:03:21,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:03:21,687 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:03:21,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:03:21,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:03:21,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:03:21,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:03:21,690 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:03:21,690 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:03:21,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:03:21,692 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:03:21,692 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:03:21,693 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:03:21,693 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:03:21,694 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:03:21,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:03:21,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:03:21,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:03:21,695 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:03:21,696 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:03:21,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:03:21,697 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:03:21,697 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_a74e8ccb-3a43-4017-87a0-a592d37e8303/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0f9943518c6721d9e6c1d0bc444caec6ec81ec7ab33ad823efb20af4787efc7 [2023-12-02 22:03:21,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:03:21,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:03:21,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:03:21,922 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:03:21,922 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:03:21,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_bad.i [2023-12-02 22:03:24,805 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:03:25,173 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:03:25,174 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_bad.i [2023-12-02 22:03:25,203 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/data/534ccfad9/13467194212344989fca79681b5f7c8f/FLAG0ffa34e58 [2023-12-02 22:03:25,219 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/data/534ccfad9/13467194212344989fca79681b5f7c8f [2023-12-02 22:03:25,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:03:25,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:03:25,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:03:25,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:03:25,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:03:25,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:03:25" (1/1) ... [2023-12-02 22:03:25,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ece0e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:25, skipping insertion in model container [2023-12-02 22:03:25,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:03:25" (1/1) ... [2023-12-02 22:03:25,320 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:03:26,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:03:26,173 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:03:26,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:03:26,464 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:03:26,465 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:03:26,465 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:03:26,465 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:03:26,474 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:03:26,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:26 WrapperNode [2023-12-02 22:03:26,474 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:03:26,476 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:03:26,476 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:03:26,476 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:03:26,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:26" (1/1) ... [2023-12-02 22:03:26,506 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:26" (1/1) ... [2023-12-02 22:03:26,532 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2023-12-02 22:03:26,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:03:26,533 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:03:26,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:03:26,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:03:26,541 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:26" (1/1) ... [2023-12-02 22:03:26,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:26" (1/1) ... [2023-12-02 22:03:26,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:26" (1/1) ... [2023-12-02 22:03:26,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:26" (1/1) ... [2023-12-02 22:03:26,550 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:26" (1/1) ... [2023-12-02 22:03:26,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:26" (1/1) ... [2023-12-02 22:03:26,555 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:26" (1/1) ... [2023-12-02 22:03:26,556 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:26" (1/1) ... [2023-12-02 22:03:26,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:03:26,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:03:26,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:03:26,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:03:26,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:26" (1/1) ... [2023-12-02 22:03:26,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:03:26,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:03:26,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:03:26,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:03:26,623 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:03:26,624 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:03:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:03:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:03:26,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:03:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:03:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:03:26,779 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:03:26,782 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:03:26,899 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:03:26,941 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:03:26,942 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 22:03:26,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:03:26 BoogieIcfgContainer [2023-12-02 22:03:26,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:03:26,945 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:03:26,945 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:03:26,955 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:03:26,955 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:03:26" (1/1) ... [2023-12-02 22:03:26,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:03:27,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:27,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2023-12-02 22:03:27,018 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-12-02 22:03:27,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:03:27,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:27,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:27,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:27,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:27,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-12-02 22:03:27,310 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-12-02 22:03:27,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:03:27,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:27,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:27,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:27,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:27,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2023-12-02 22:03:27,408 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-12-02 22:03:27,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:03:27,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:27,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:27,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:27,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:27,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2023-12-02 22:03:27,544 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2023-12-02 22:03:27,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 22:03:27,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:27,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:03:27,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:03:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:03:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:03:27,619 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:03:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:03:27,645 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-12-02 22:03:27,670 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-02 22:03:27,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:03:27 ImpRootNode [2023-12-02 22:03:27,676 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:03:27,677 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:03:27,677 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:03:27,677 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:03:27,678 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:03:26" (3/4) ... [2023-12-02 22:03:27,680 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:03:27,681 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:03:27,682 INFO L158 Benchmark]: Toolchain (without parser) took 2458.01ms. Allocated memory is still 190.8MB. Free memory was 151.0MB in the beginning and 87.0MB in the end (delta: 64.0MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2023-12-02 22:03:27,682 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory was 60.4MB in the beginning and 60.2MB in the end (delta: 159.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:03:27,683 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1249.59ms. Allocated memory is still 190.8MB. Free memory was 151.0MB in the beginning and 149.0MB in the end (delta: 2.0MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2023-12-02 22:03:27,684 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.72ms. Allocated memory is still 190.8MB. Free memory was 149.0MB in the beginning and 146.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:03:27,684 INFO L158 Benchmark]: Boogie Preprocessor took 25.66ms. Allocated memory is still 190.8MB. Free memory was 146.6MB in the beginning and 144.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:03:27,685 INFO L158 Benchmark]: RCFGBuilder took 384.76ms. Allocated memory is still 190.8MB. Free memory was 144.9MB in the beginning and 130.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:03:27,685 INFO L158 Benchmark]: CodeCheck took 731.70ms. Allocated memory is still 190.8MB. Free memory was 130.2MB in the beginning and 87.0MB in the end (delta: 43.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-12-02 22:03:27,686 INFO L158 Benchmark]: Witness Printer took 4.19ms. Allocated memory is still 190.8MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:03:27,689 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, 24 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 15 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1/2 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: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: 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={2:0}] [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)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_min_multiply_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 [L1555] data = (-0x7fffffff - 1) [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, 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=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1557] COND TRUE j < 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1559] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1561] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory was 60.4MB in the beginning and 60.2MB in the end (delta: 159.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1249.59ms. Allocated memory is still 190.8MB. Free memory was 151.0MB in the beginning and 149.0MB in the end (delta: 2.0MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.72ms. Allocated memory is still 190.8MB. Free memory was 149.0MB in the beginning and 146.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.66ms. Allocated memory is still 190.8MB. Free memory was 146.6MB in the beginning and 144.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 384.76ms. Allocated memory is still 190.8MB. Free memory was 144.9MB in the beginning and 130.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 731.70ms. Allocated memory is still 190.8MB. Free memory was 130.2MB in the beginning and 87.0MB in the end (delta: 43.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 4.19ms. Allocated memory is still 190.8MB. Free memory is still 87.0MB. 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~nondet101 - 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 [2023-12-02 22:03:27,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/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_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/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_a74e8ccb-3a43-4017-87a0-a592d37e8303/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 a0f9943518c6721d9e6c1d0bc444caec6ec81ec7ab33ad823efb20af4787efc7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:03:29,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:03:29,907 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 22:03:29,938 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:03:29,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:03:29,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:03:29,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:03:29,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:03:29,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:03:29,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:03:29,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:03:29,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:03:29,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:03:29,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:03:29,945 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:03:29,946 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:03:29,946 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:03:29,947 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:03:29,947 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:03:29,948 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:03:29,948 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:03:29,949 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:03:29,950 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:03:29,950 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:03:29,950 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:29,951 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:03:29,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:03:29,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:03:29,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:03:29,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:03:29,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:03:29,954 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:03:29,954 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:29,954 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:03:29,954 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:03:29,955 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:03:29,955 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_a74e8ccb-3a43-4017-87a0-a592d37e8303/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0f9943518c6721d9e6c1d0bc444caec6ec81ec7ab33ad823efb20af4787efc7 [2023-12-02 22:03:30,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:03:30,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:03:30,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:03:30,268 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:03:30,269 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:03:30,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_bad.i [2023-12-02 22:03:33,238 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:03:33,559 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:03:33,559 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_bad.i [2023-12-02 22:03:33,584 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/data/1d8602c98/b558ed2f63a04b80b30a9101df9d0e63/FLAGf6ca4a22a [2023-12-02 22:03:33,598 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/data/1d8602c98/b558ed2f63a04b80b30a9101df9d0e63 [2023-12-02 22:03:33,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:03:33,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:03:33,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:03:33,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:03:33,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:03:33,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:03:33" (1/1) ... [2023-12-02 22:03:33,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d660124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:33, skipping insertion in model container [2023-12-02 22:03:33,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:03:33" (1/1) ... [2023-12-02 22:03:33,671 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:03:34,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:03:34,630 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:03:34,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:03:34,876 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:03:34,876 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:03:34,876 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:03:34,877 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:03:34,884 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:03:34,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:34 WrapperNode [2023-12-02 22:03:34,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:03:34,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:03:34,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:03:34,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:03:34,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:34" (1/1) ... [2023-12-02 22:03:34,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:34" (1/1) ... [2023-12-02 22:03:34,944 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2023-12-02 22:03:34,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:03:34,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:03:34,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:03:34,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:03:34,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:34" (1/1) ... [2023-12-02 22:03:34,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:34" (1/1) ... [2023-12-02 22:03:34,959 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:34" (1/1) ... [2023-12-02 22:03:34,959 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:34" (1/1) ... [2023-12-02 22:03:34,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:34" (1/1) ... [2023-12-02 22:03:34,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:34" (1/1) ... [2023-12-02 22:03:34,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:34" (1/1) ... [2023-12-02 22:03:34,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:34" (1/1) ... [2023-12-02 22:03:34,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:03:34,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:03:34,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:03:34,982 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:03:34,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:34" (1/1) ... [2023-12-02 22:03:34,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:03:35,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:03:35,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:03:35,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:03:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:03:35,054 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:03:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:03:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:03:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:03:35,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:03:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:03:35,203 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:03:35,205 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:03:35,341 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:03:35,385 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:03:35,385 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 22:03:35,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:03:35 BoogieIcfgContainer [2023-12-02 22:03:35,387 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:03:35,388 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:03:35,388 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:03:35,399 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:03:35,399 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:03:35" (1/1) ... [2023-12-02 22:03:35,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:03:35,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:35,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2023-12-02 22:03:35,475 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-12-02 22:03:35,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:03:35,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:35,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:35,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:35,481 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:35,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:03:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:35,602 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:35,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:03:35,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:35,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:35,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:03:35,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:35,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2023-12-02 22:03:35,686 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2023-12-02 22:03:35,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:03:35,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:35,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:35,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:35,689 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:35,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:03:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:35,827 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:35,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:03:35,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:35,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:35,921 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:03:35,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:03:35,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:35,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-12-02 22:03:35,989 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-12-02 22:03:35,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 22:03:35,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:35,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:35,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:35,992 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:35,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:03:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:36,164 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:36,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:03:36,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:36,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:36,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-02 22:03:36,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:36,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2023-12-02 22:03:36,286 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2023-12-02 22:03:36,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 22:03:36,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:36,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:36,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:36,288 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:36,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:03:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:03:36,416 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:03:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:03:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:03:36,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:03:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:03:36,552 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:03:36,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-02 22:03:36,555 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-12-02 22:03:36,580 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-02 22:03:36,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:03:36 ImpRootNode [2023-12-02 22:03:36,589 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:03:36,590 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:03:36,590 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:03:36,590 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:03:36,591 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:03:35" (3/4) ... [2023-12-02 22:03:36,593 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:03:36,594 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:03:36,595 INFO L158 Benchmark]: Toolchain (without parser) took 2992.61ms. Allocated memory is still 104.9MB. Free memory was 78.1MB in the beginning and 58.0MB in the end (delta: 20.1MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2023-12-02 22:03:36,595 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:03:36,596 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1281.95ms. Allocated memory is still 104.9MB. Free memory was 78.1MB in the beginning and 45.3MB in the end (delta: 32.8MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2023-12-02 22:03:36,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.20ms. Allocated memory is still 104.9MB. Free memory was 45.3MB in the beginning and 42.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:03:36,597 INFO L158 Benchmark]: Boogie Preprocessor took 35.14ms. Allocated memory is still 104.9MB. Free memory was 42.2MB in the beginning and 40.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:03:36,598 INFO L158 Benchmark]: RCFGBuilder took 405.91ms. Allocated memory is still 104.9MB. Free memory was 40.1MB in the beginning and 61.5MB in the end (delta: -21.5MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-12-02 22:03:36,598 INFO L158 Benchmark]: CodeCheck took 1201.44ms. Allocated memory is still 104.9MB. Free memory was 61.5MB in the beginning and 58.7MB in the end (delta: 2.8MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2023-12-02 22:03:36,599 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 104.9MB. Free memory was 58.7MB in the beginning and 58.0MB in the end (delta: 700.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:03:36,602 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, 24 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 59 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 21 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 2 NumberOfNonLiveVariables, 131 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 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 - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: 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={2:0}] [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 CWE191_Integer_Underflow__int_min_multiply_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 [L1555] data = (-0x7fffffff - 1) [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, 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=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1557] COND TRUE j < 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1559] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1561] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1281.95ms. Allocated memory is still 104.9MB. Free memory was 78.1MB in the beginning and 45.3MB in the end (delta: 32.8MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.20ms. Allocated memory is still 104.9MB. Free memory was 45.3MB in the beginning and 42.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.14ms. Allocated memory is still 104.9MB. Free memory was 42.2MB in the beginning and 40.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 405.91ms. Allocated memory is still 104.9MB. Free memory was 40.1MB in the beginning and 61.5MB in the end (delta: -21.5MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * CodeCheck took 1201.44ms. Allocated memory is still 104.9MB. Free memory was 61.5MB in the beginning and 58.7MB in the end (delta: 2.8MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 104.9MB. Free memory was 58.7MB in the beginning and 58.0MB in the end (delta: 700.2kB). 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~nondet99 - 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 [2023-12-02 22:03:36,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8ccb-3a43-4017-87a0-a592d37e8303/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