./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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/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_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi --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 [2023-11-24 23:04:21,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:21,378 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:04:21,383 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:04:21,384 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:04:21,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:21,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:21,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:21,433 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:21,438 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:21,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:21,439 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:21,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:04:21,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:21,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:21,442 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:21,442 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:21,443 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:04:21,443 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:04:21,444 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:21,444 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:21,445 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:21,446 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:21,446 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:21,446 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:21,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:21,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:21,448 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:21,448 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:21,449 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:04:21,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:04:21,450 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:21,450 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_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0f9943518c6721d9e6c1d0bc444caec6ec81ec7ab33ad823efb20af4787efc7 [2023-11-24 23:04:21,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:21,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:21,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:21,739 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:21,740 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:21,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_bad.i [2023-11-24 23:04:24,970 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:25,377 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:25,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_bad.i [2023-11-24 23:04:25,407 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/data/115cbcfea/fa6931c08adb4f099710f0f7f74cf887/FLAG05a6546ee [2023-11-24 23:04:25,423 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/data/115cbcfea/fa6931c08adb4f099710f0f7f74cf887 [2023-11-24 23:04:25,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:25,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:25,429 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:25,430 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:25,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:25,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:25" (1/1) ... [2023-11-24 23:04:25,438 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@594d8afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:25, skipping insertion in model container [2023-11-24 23:04:25,438 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:25" (1/1) ... [2023-11-24 23:04:25,515 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:26,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:26,754 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:26,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:27,084 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:27,084 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:27,085 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:27,085 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:27,094 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:27,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:27 WrapperNode [2023-11-24 23:04:27,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:27,096 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:27,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:27,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:27,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:27" (1/1) ... [2023-11-24 23:04:27,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:27" (1/1) ... [2023-11-24 23:04:27,195 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2023-11-24 23:04:27,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:27,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:27,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:27,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:27,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:27" (1/1) ... [2023-11-24 23:04:27,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:27" (1/1) ... [2023-11-24 23:04:27,222 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:27" (1/1) ... [2023-11-24 23:04:27,227 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:27" (1/1) ... [2023-11-24 23:04:27,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:27" (1/1) ... [2023-11-24 23:04:27,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:27" (1/1) ... [2023-11-24 23:04:27,249 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:27" (1/1) ... [2023-11-24 23:04:27,251 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:27" (1/1) ... [2023-11-24 23:04:27,254 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:27,266 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:27,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:27,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:27,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:27" (1/1) ... [2023-11-24 23:04:27,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:27,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:27,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:27,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:27,362 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:04:27,363 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:04:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:27,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:04:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:04:27,527 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:27,529 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:27,654 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:27,703 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:27,703 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:04:27,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:27 BoogieIcfgContainer [2023-11-24 23:04:27,705 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:27,706 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:27,706 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:27,717 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:27,718 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:27" (1/1) ... [2023-11-24 23:04:27,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:27,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:27,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2023-11-24 23:04:27,812 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-11-24 23:04:27,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:04:27,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:27,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:28,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:28,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:28,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-24 23:04:28,352 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-24 23:04:28,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:04:28,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:28,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:28,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:28,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:28,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2023-11-24 23:04:28,455 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-11-24 23:04:28,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:04:28,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:28,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:28,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:28,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:28,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2023-11-24 23:04:28,681 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2023-11-24 23:04:28,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:04:28,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:28,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:28,724 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:04:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:28,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:04:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:28,814 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-11-24 23:04:28,850 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-11-24 23:04:28,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:04:28 ImpRootNode [2023-11-24 23:04:28,856 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:04:28,857 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:04:28,857 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:04:28,858 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:04:28,858 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:27" (3/4) ... [2023-11-24 23:04:28,860 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:04:28,862 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:04:28,863 INFO L158 Benchmark]: Toolchain (without parser) took 3434.76ms. Allocated memory is still 153.1MB. Free memory was 104.8MB in the beginning and 68.3MB in the end (delta: 36.5MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2023-11-24 23:04:28,863 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:28,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1665.94ms. Allocated memory is still 153.1MB. Free memory was 104.4MB in the beginning and 82.2MB in the end (delta: 22.2MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2023-11-24 23:04:28,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.27ms. Allocated memory is still 153.1MB. Free memory was 82.2MB in the beginning and 79.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:28,867 INFO L158 Benchmark]: Boogie Preprocessor took 69.21ms. Allocated memory is still 153.1MB. Free memory was 79.5MB in the beginning and 78.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:28,868 INFO L158 Benchmark]: RCFGBuilder took 439.37ms. Allocated memory is still 153.1MB. Free memory was 78.0MB in the beginning and 111.5MB in the end (delta: -33.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:04:28,868 INFO L158 Benchmark]: CodeCheck took 1150.43ms. Allocated memory is still 153.1MB. Free memory was 111.5MB in the beginning and 68.3MB in the end (delta: 43.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-24 23:04:28,874 INFO L158 Benchmark]: Witness Printer took 4.58ms. Allocated memory is still 153.1MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:28,881 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, 42 SdHoareTripleChecker+Valid, 0.2s 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, 0.5s 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 0.35ms. Allocated memory is still 115.3MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1665.94ms. Allocated memory is still 153.1MB. Free memory was 104.4MB in the beginning and 82.2MB in the end (delta: 22.2MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.27ms. Allocated memory is still 153.1MB. Free memory was 82.2MB in the beginning and 79.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.21ms. Allocated memory is still 153.1MB. Free memory was 79.5MB in the beginning and 78.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 439.37ms. Allocated memory is still 153.1MB. Free memory was 78.0MB in the beginning and 111.5MB in the end (delta: -33.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1150.43ms. Allocated memory is still 153.1MB. Free memory was 111.5MB in the beginning and 68.3MB in the end (delta: 43.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 4.58ms. Allocated memory is still 153.1MB. Free memory is still 68.3MB. 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 [2023-11-24 23:04:28,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/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_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi --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 [2023-11-24 23:04:31,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:31,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:04:31,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:31,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:31,840 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:31,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:31,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:31,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:31,847 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:31,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:31,848 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:31,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:31,849 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:31,850 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:04:31,850 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:04:31,850 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:04:31,851 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:04:31,851 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:04:31,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:31,852 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:31,853 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:31,854 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:31,854 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:31,854 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:31,855 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:04:31,855 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:31,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:31,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:31,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:31,858 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:31,858 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:04:31,858 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:31,859 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:31,859 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:04:31,859 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:04:31,859 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_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0f9943518c6721d9e6c1d0bc444caec6ec81ec7ab33ad823efb20af4787efc7 [2023-11-24 23:04:32,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:32,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:32,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:32,324 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:32,325 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:32,326 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_bad.i [2023-11-24 23:04:35,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:36,017 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:36,018 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_bad.i [2023-11-24 23:04:36,041 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/data/84d01789a/d5e9bcce4a5b4252a62d6c5ec2d4470b/FLAG26177e832 [2023-11-24 23:04:36,056 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/data/84d01789a/d5e9bcce4a5b4252a62d6c5ec2d4470b [2023-11-24 23:04:36,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:36,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:36,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:36,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:36,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:36,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:36" (1/1) ... [2023-11-24 23:04:36,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d2d363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:36, skipping insertion in model container [2023-11-24 23:04:36,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:36" (1/1) ... [2023-11-24 23:04:36,137 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:37,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:37,147 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:37,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:37,467 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:37,468 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:37,468 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:37,468 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:37,476 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:37,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37 WrapperNode [2023-11-24 23:04:37,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:37,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:37,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:37,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:37,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,534 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,574 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2023-11-24 23:04:37,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:37,576 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:37,576 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:37,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:37,585 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,619 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:37,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:37,625 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:37,625 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:37,626 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:37,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:37,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:37,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:04:37,714 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:04:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:04:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:37,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:04:37,887 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:37,889 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:38,114 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:38,162 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:38,162 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:04:38,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:38 BoogieIcfgContainer [2023-11-24 23:04:38,164 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:38,165 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:38,165 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:38,176 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:38,176 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:38" (1/1) ... [2023-11-24 23:04:38,186 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:38,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:38,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2023-11-24 23:04:38,247 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-11-24 23:04:38,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:04:38,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:38,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:38,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:04:38,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:04:38,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:04:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:38,467 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:04:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:38,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:04:38,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:38,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:38,541 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:04:38,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:04:38,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:38,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2023-11-24 23:04:38,585 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2023-11-24 23:04:38,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:04:38,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:38,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:38,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:04:38,589 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:04:38,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 23:04:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:38,753 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:04:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:38,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:04:38,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:38,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:38,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:04:38,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:38,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-24 23:04:38,908 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-24 23:04:38,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:04:38,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:38,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:38,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:04:38,912 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:04:38,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:04:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:39,051 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:04:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:39,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:04:39,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:39,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:39,104 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:04:39,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-24 23:04:39,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:39,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2023-11-24 23:04:39,168 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2023-11-24 23:04:39,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:04:39,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:39,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:39,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:04:39,171 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:04:39,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 23:04:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:39,319 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:04:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:39,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:04:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:39,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-24 23:04:39,477 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-11-24 23:04:39,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-24 23:04:39,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:04:39 ImpRootNode [2023-11-24 23:04:39,529 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:04:39,530 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:04:39,530 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:04:39,530 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:04:39,532 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:38" (3/4) ... [2023-11-24 23:04:39,534 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:04:39,535 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:04:39,536 INFO L158 Benchmark]: Toolchain (without parser) took 3476.05ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 50.1MB in the beginning and 50.5MB in the end (delta: -468.4kB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2023-11-24 23:04:39,537 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 77.6MB. Free memory was 53.3MB in the beginning and 53.3MB in the end (delta: 80.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:39,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1415.88ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 49.8MB in the beginning and 55.6MB in the end (delta: -5.8MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-11-24 23:04:39,539 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.33ms. Allocated memory is still 107.0MB. Free memory was 55.6MB in the beginning and 52.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:39,545 INFO L158 Benchmark]: Boogie Preprocessor took 48.05ms. Allocated memory is still 107.0MB. Free memory was 52.5MB in the beginning and 50.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:39,546 INFO L158 Benchmark]: RCFGBuilder took 539.88ms. Allocated memory is still 107.0MB. Free memory was 50.4MB in the beginning and 64.4MB in the end (delta: -14.0MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2023-11-24 23:04:39,547 INFO L158 Benchmark]: CodeCheck took 1364.55ms. Allocated memory is still 107.0MB. Free memory was 64.4MB in the beginning and 51.1MB in the end (delta: 13.3MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2023-11-24 23:04:39,548 INFO L158 Benchmark]: Witness Printer took 5.40ms. Allocated memory is still 107.0MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:39,556 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: 1.3s, 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 0.68ms. Allocated memory is still 77.6MB. Free memory was 53.3MB in the beginning and 53.3MB in the end (delta: 80.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1415.88ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 49.8MB in the beginning and 55.6MB in the end (delta: -5.8MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.33ms. Allocated memory is still 107.0MB. Free memory was 55.6MB in the beginning and 52.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.05ms. Allocated memory is still 107.0MB. Free memory was 52.5MB in the beginning and 50.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 539.88ms. Allocated memory is still 107.0MB. Free memory was 50.4MB in the beginning and 64.4MB in the end (delta: -14.0MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * CodeCheck took 1364.55ms. Allocated memory is still 107.0MB. Free memory was 64.4MB in the beginning and 51.1MB in the end (delta: 13.3MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Witness Printer took 5.40ms. Allocated memory is still 107.0MB. Free memory is still 50.5MB. 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 [2023-11-24 23:04:39,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3897f8c-c400-4117-81d2-859b9d0523b9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample