./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/num_conversion_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/num_conversion_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e0da033eb6b5a3b4db0394198751cf880534ee28b64f0bd7b196bfba1d785e1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:36:10,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:36:10,151 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 02:36:10,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:36:10,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:36:10,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:36:10,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:36:10,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:36:10,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:36:10,177 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:36:10,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:36:10,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:36:10,178 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:36:10,178 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:36:10,178 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:36:10,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:36:10,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:36:10,178 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:36:10,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:36:10,178 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:36:10,178 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:36:10,178 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:36:10,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:36:10,178 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:36:10,179 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:36:10,179 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:36:10,179 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:36:10,179 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:36:10,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:36:10,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:36:10,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:36:10,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:36:10,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:36:10,179 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:36:10,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:36:10,180 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e0da033eb6b5a3b4db0394198751cf880534ee28b64f0bd7b196bfba1d785e1 [2024-12-06 02:36:10,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:36:10,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:36:10,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:36:10,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:36:10,436 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:36:10,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector/num_conversion_2.c [2024-12-06 02:36:13,091 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/data/dd64e62bb/fb20ce8ff5584881bc2025fcdbbbdad1/FLAGd345d1bb3 [2024-12-06 02:36:13,291 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:36:13,291 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/sv-benchmarks/c/bitvector/num_conversion_2.c [2024-12-06 02:36:13,307 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/data/dd64e62bb/fb20ce8ff5584881bc2025fcdbbbdad1/FLAGd345d1bb3 [2024-12-06 02:36:13,643 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/data/dd64e62bb/fb20ce8ff5584881bc2025fcdbbbdad1 [2024-12-06 02:36:13,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:36:13,646 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:36:13,647 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:36:13,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:36:13,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:36:13,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:36:13" (1/1) ... [2024-12-06 02:36:13,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ed8b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:13, skipping insertion in model container [2024-12-06 02:36:13,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:36:13" (1/1) ... [2024-12-06 02:36:13,663 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:36:13,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:36:13,785 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:36:13,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:36:13,808 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:36:13,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:13 WrapperNode [2024-12-06 02:36:13,809 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:36:13,810 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:36:13,810 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:36:13,810 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:36:13,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:13" (1/1) ... [2024-12-06 02:36:13,819 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:13" (1/1) ... [2024-12-06 02:36:13,836 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2024-12-06 02:36:13,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:36:13,837 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:36:13,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:36:13,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:36:13,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:13" (1/1) ... [2024-12-06 02:36:13,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:13" (1/1) ... [2024-12-06 02:36:13,845 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:13" (1/1) ... [2024-12-06 02:36:13,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:13" (1/1) ... [2024-12-06 02:36:13,848 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:13" (1/1) ... [2024-12-06 02:36:13,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:13" (1/1) ... [2024-12-06 02:36:13,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:13" (1/1) ... [2024-12-06 02:36:13,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:13" (1/1) ... [2024-12-06 02:36:13,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:13" (1/1) ... [2024-12-06 02:36:13,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:36:13,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:36:13,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:36:13,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:36:13,857 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:13" (1/1) ... [2024-12-06 02:36:13,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:36:13,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:36:13,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:36:13,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:36:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:36:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:36:13,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:36:13,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:36:13,950 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:36:13,951 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:36:14,085 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-06 02:36:14,086 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:36:14,137 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:36:14,137 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:36:14,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:36:14 BoogieIcfgContainer [2024-12-06 02:36:14,138 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:36:14,139 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:36:14,139 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:36:14,148 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:36:14,148 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:36:14" (1/1) ... [2024-12-06 02:36:14,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:36:14,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:14,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2024-12-06 02:36:14,204 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-12-06 02:36:14,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 02:36:14,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:14,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:36:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:14,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:36:14,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:14,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2024-12-06 02:36:14,370 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2024-12-06 02:36:14,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:36:14,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:14,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:36:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:14,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:36:14,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:14,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-12-06 02:36:14,479 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-12-06 02:36:14,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:36:14,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:14,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:36:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:14,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:36:14,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:14,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-12-06 02:36:14,721 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-12-06 02:36:14,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:36:14,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:14,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:36:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:14,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:36:14,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:14,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2024-12-06 02:36:14,745 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-12-06 02:36:14,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:36:14,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:14,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:36:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:14,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:36:14,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:14,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2024-12-06 02:36:14,766 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-12-06 02:36:14,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:36:14,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:14,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:36:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:14,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:36:14,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:14,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2024-12-06 02:36:14,787 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-12-06 02:36:14,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:36:14,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:14,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:36:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:14,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:36:14,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:14,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-06 02:36:14,807 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-06 02:36:14,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 02:36:14,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:14,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:36:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:36:14,822 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:36:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:36:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:36:14,868 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:36:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:36:14,886 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2024-12-06 02:36:14,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:36:14 ImpRootNode [2024-12-06 02:36:14,908 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:36:14,909 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:36:14,909 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:36:14,909 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:36:14,910 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:36:14" (3/4) ... [2024-12-06 02:36:14,912 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:36:14,913 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:36:14,914 INFO L158 Benchmark]: Toolchain (without parser) took 1267.58ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 99.5MB in the end (delta: 19.7MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2024-12-06 02:36:14,914 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:36:14,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 162.28ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 108.3MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:36:14,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.86ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 106.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:36:14,915 INFO L158 Benchmark]: Boogie Preprocessor took 18.50ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:36:14,915 INFO L158 Benchmark]: RCFGBuilder took 281.92ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 89.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:36:14,916 INFO L158 Benchmark]: CodeCheck took 769.84ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 99.6MB in the end (delta: -9.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:36:14,916 INFO L158 Benchmark]: Witness Printer took 3.92ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 99.5MB in the end (delta: 13.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:36:14,918 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 1 procedures, 18 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 112 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 177 IncrementalHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 32 mSDtfsCounter, 177 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 254 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 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, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 53 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 31]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of shiftLeft at line 31, overapproximation of bitwiseAnd at line 32. Possible FailurePath: [L24] unsigned char x = __VERIFIER_nondet_uchar(); [L25] unsigned char y; [L26] unsigned char c; [L28] y = 0 [L29] c = 0 VAL [c=0, y=0] [L30] COND TRUE c < (unsigned char)8 VAL [c=0, y=0] [L31] EXPR ((unsigned char)1) << c [L31] unsigned char i = ((unsigned char)1) << c; [L32] EXPR x & i [L32] unsigned char bit = x & i; [L33] COND FALSE !(bit != (unsigned char)0) VAL [c=0, i=1, x=2, y=0] [L36] EXPR c + ((unsigned char)1) [L36] c = c + ((unsigned char)1) [L30] COND TRUE c < (unsigned char)8 VAL [c=1, x=2, y=0] [L31] ((unsigned char)1) << c VAL [c=1, x=2, y=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 162.28ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 108.3MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.86ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 106.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.50ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 281.92ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 89.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 769.84ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 99.6MB in the end (delta: -9.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.92ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 99.5MB in the end (delta: 13.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 02:36:14,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/num_conversion_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e0da033eb6b5a3b4db0394198751cf880534ee28b64f0bd7b196bfba1d785e1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:36:16,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:36:16,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-06 02:36:16,891 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:36:16,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:36:16,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:36:16,892 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:36:16,892 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:36:16,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:36:16,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:36:16,893 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:36:16,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:36:16,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:36:16,893 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:36:16,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:36:16,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:36:16,893 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:36:16,893 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:36:16,894 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:36:16,894 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:36:16,894 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:36:16,894 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:36:16,894 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:36:16,894 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:36:16,894 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:36:16,894 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:36:16,894 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:36:16,895 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:36:16,895 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:16,895 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:36:16,895 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:36:16,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:36:16,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:36:16,895 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:36:16,895 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:36:16,895 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:36:16,895 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:16,895 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:36:16,896 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e0da033eb6b5a3b4db0394198751cf880534ee28b64f0bd7b196bfba1d785e1 [2024-12-06 02:36:17,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:36:17,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:36:17,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:36:17,151 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:36:17,152 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:36:17,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector/num_conversion_2.c [2024-12-06 02:36:19,791 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/data/352923503/f50daec45c0f45b28845917d685ab497/FLAGa77dc48df [2024-12-06 02:36:19,968 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:36:19,968 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/sv-benchmarks/c/bitvector/num_conversion_2.c [2024-12-06 02:36:19,976 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/data/352923503/f50daec45c0f45b28845917d685ab497/FLAGa77dc48df [2024-12-06 02:36:19,991 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/data/352923503/f50daec45c0f45b28845917d685ab497 [2024-12-06 02:36:19,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:36:19,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:36:19,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:36:19,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:36:20,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:36:20,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:36:19" (1/1) ... [2024-12-06 02:36:20,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d622dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:20, skipping insertion in model container [2024-12-06 02:36:20,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:36:19" (1/1) ... [2024-12-06 02:36:20,015 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:36:20,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:36:20,169 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:36:20,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:36:20,198 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:36:20,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:20 WrapperNode [2024-12-06 02:36:20,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:36:20,199 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:36:20,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:36:20,200 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:36:20,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:20" (1/1) ... [2024-12-06 02:36:20,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:20" (1/1) ... [2024-12-06 02:36:20,228 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2024-12-06 02:36:20,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:36:20,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:36:20,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:36:20,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:36:20,235 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:20" (1/1) ... [2024-12-06 02:36:20,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:20" (1/1) ... [2024-12-06 02:36:20,237 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:20" (1/1) ... [2024-12-06 02:36:20,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:20" (1/1) ... [2024-12-06 02:36:20,241 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:20" (1/1) ... [2024-12-06 02:36:20,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:20" (1/1) ... [2024-12-06 02:36:20,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:20" (1/1) ... [2024-12-06 02:36:20,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:20" (1/1) ... [2024-12-06 02:36:20,247 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:20" (1/1) ... [2024-12-06 02:36:20,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:36:20,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:36:20,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:36:20,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:36:20,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:20" (1/1) ... [2024-12-06 02:36:20,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:36:20,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:36:20,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:36:20,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:36:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:36:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:36:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:36:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:36:20,364 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:36:20,365 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:36:20,481 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-06 02:36:20,481 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:36:20,516 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:36:20,516 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:36:20,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:36:20 BoogieIcfgContainer [2024-12-06 02:36:20,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:36:20,517 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:36:20,517 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:36:20,524 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:36:20,525 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:36:20" (1/1) ... [2024-12-06 02:36:20,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:36:20,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:20,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2024-12-06 02:36:20,572 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-12-06 02:36:20,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 02:36:20,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:20,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:20,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:36:20,576 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:36:20,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:36:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:20,639 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:36:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:20,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 02:36:20,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:36:20,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:36:20,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:36:20,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:20,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2024-12-06 02:36:20,721 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2024-12-06 02:36:20,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:36:20,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:20,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:20,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:36:20,723 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:36:20,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:36:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:20,762 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:36:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:20,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 02:36:20,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:36:20,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:36:20,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:36:20,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:20,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-12-06 02:36:20,808 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-12-06 02:36:20,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:36:20,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:20,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:20,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:36:20,810 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:36:20,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 02:36:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:20,862 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:36:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:20,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 02:36:20,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:36:20,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:36:20,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 02:36:20,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:20,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2024-12-06 02:36:20,938 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-12-06 02:36:20,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:36:20,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:20,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:20,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:36:20,940 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:36:20,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 02:36:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:20,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:36:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:20,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 02:36:21,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:36:21,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:36:21,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 02:36:21,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:21,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 02:36:21,007 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 02:36:21,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:36:21,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:21,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:21,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:36:21,009 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:36:21,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 02:36:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:21,047 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:36:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:21,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 02:36:21,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:36:21,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:36:21,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 02:36:21,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:21,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-12-06 02:36:21,064 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-12-06 02:36:21,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:36:21,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:21,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:21,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:36:21,066 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:36:21,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 02:36:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:21,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:36:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:21,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 02:36:21,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:36:21,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:36:21,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 02:36:21,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:21,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-12-06 02:36:21,117 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-12-06 02:36:21,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:36:21,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:21,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:21,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:36:21,119 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:36:21,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 02:36:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:21,149 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:36:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:21,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 02:36:21,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:36:21,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:36:21,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 02:36:21,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:21,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-12-06 02:36:21,164 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-12-06 02:36:21,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 02:36:21,165 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-12-06 02:36:21,172 INFO L726 CodeCheckObserver]: All specifications hold 7 specifications checked. All of them hold [2024-12-06 02:36:21,186 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2024-12-06 02:36:21,186 INFO L77 FloydHoareUtils]: At program point L33(lines 33 35) the Hoare annotation is: true [2024-12-06 02:36:21,187 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 02:36:21,187 INFO L77 FloydHoareUtils]: At program point L31(line 31) the Hoare annotation is: (bvslt ((_ zero_extend 24) |ULTIMATE.start_main_~c~0#1|) (_ bv8 32)) [2024-12-06 02:36:21,187 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2024-12-06 02:36:21,187 INFO L77 FloydHoareUtils]: At program point L33-2(lines 33 35) the Hoare annotation is: true [2024-12-06 02:36:21,187 INFO L77 FloydHoareUtils]: At program point L31-1(line 31) the Hoare annotation is: (bvslt ((_ zero_extend 24) |ULTIMATE.start_main_~c~0#1|) (_ bv8 32)) [2024-12-06 02:36:21,187 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2024-12-06 02:36:21,187 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 02:36:21,187 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2024-12-06 02:36:21,188 INFO L77 FloydHoareUtils]: At program point L36(line 36) the Hoare annotation is: true [2024-12-06 02:36:21,188 INFO L77 FloydHoareUtils]: At program point L34(line 34) the Hoare annotation is: true [2024-12-06 02:36:21,188 INFO L77 FloydHoareUtils]: At program point L34-1(line 34) the Hoare annotation is: true [2024-12-06 02:36:21,188 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2024-12-06 02:36:21,188 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2024-12-06 02:36:21,188 INFO L77 FloydHoareUtils]: At program point L30-1(lines 30 37) the Hoare annotation is: (bvslt ((_ zero_extend 24) |ULTIMATE.start_main_~c~0#1|) (_ bv8 32)) [2024-12-06 02:36:21,188 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2024-12-06 02:36:21,188 INFO L77 FloydHoareUtils]: At program point L30-3(lines 30 37) the Hoare annotation is: true [2024-12-06 02:36:21,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:36:21 ImpRootNode [2024-12-06 02:36:21,195 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:36:21,195 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:36:21,195 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:36:21,195 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:36:21,196 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:36:20" (3/4) ... [2024-12-06 02:36:21,198 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 02:36:21,202 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-06 02:36:21,203 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 02:36:21,203 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 02:36:21,203 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 02:36:21,271 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:36:21,272 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:36:21,272 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:36:21,272 INFO L158 Benchmark]: Toolchain (without parser) took 1278.05ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 39.7MB in the end (delta: 30.1MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-12-06 02:36:21,273 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:36:21,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.05ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 58.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:36:21,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.97ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 57.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:36:21,273 INFO L158 Benchmark]: Boogie Preprocessor took 19.78ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 56.5MB in the end (delta: 859.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:36:21,274 INFO L158 Benchmark]: RCFGBuilder took 267.60ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 44.1MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:36:21,274 INFO L158 Benchmark]: CodeCheck took 677.55ms. Allocated memory is still 92.3MB. Free memory was 44.1MB in the beginning and 44.3MB in the end (delta: -232.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:36:21,274 INFO L158 Benchmark]: Witness Printer took 76.43ms. Allocated memory is still 92.3MB. Free memory was 44.3MB in the beginning and 39.7MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:36:21,276 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 1 procedures, 18 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 118 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 32 mSDtfsCounter, 122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 282 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 6 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 0 NumberOfNonLiveVariables, 147 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.05ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 58.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.97ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 57.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.78ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 56.5MB in the end (delta: 859.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 267.60ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 44.1MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 677.55ms. Allocated memory is still 92.3MB. Free memory was 44.1MB in the beginning and 44.3MB in the end (delta: -232.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 76.43ms. Allocated memory is still 92.3MB. Free memory was 44.3MB in the beginning and 39.7MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 02:36:21,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd9d943-c5ea-49da-9b01-46ef90417070/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE