./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.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_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/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_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/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_fbc95419-de24-46b9-8239-5d0677c35d91/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 94f477eb9e1d39767903bc1f4d97616f290c342b1e9705cced3715d26576f911 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:10:52,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:10:52,489 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 04:10:52,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:10:52,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:10:52,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:10:52,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:10:52,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:10:52,513 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:10:52,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:10:52,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:10:52,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:10:52,514 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:10:52,514 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:10:52,514 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:10:52,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:10:52,514 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:10:52,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:10:52,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:10:52,514 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:10:52,514 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:10:52,515 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:10:52,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:10:52,515 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:10:52,515 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:10:52,515 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:10:52,515 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:10:52,515 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:10:52,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:10:52,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:10:52,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:10:52,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:10:52,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:10:52,516 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:10:52,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:10:52,516 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_fbc95419-de24-46b9-8239-5d0677c35d91/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 -> 94f477eb9e1d39767903bc1f4d97616f290c342b1e9705cced3715d26576f911 [2024-12-06 04:10:52,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:10:52,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:10:52,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:10:52,779 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:10:52,780 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:10:52,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2024-12-06 04:10:55,385 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/data/aa562c9a1/c0125a97c3ba4f0ba91f705a777fd9b8/FLAG5b95fa242 [2024-12-06 04:10:55,625 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:10:55,625 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2024-12-06 04:10:55,632 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/data/aa562c9a1/c0125a97c3ba4f0ba91f705a777fd9b8/FLAG5b95fa242 [2024-12-06 04:10:55,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/data/aa562c9a1/c0125a97c3ba4f0ba91f705a777fd9b8 [2024-12-06 04:10:55,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:10:55,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:10:55,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:10:55,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:10:55,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:10:55,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:10:55" (1/1) ... [2024-12-06 04:10:55,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8a1366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:55, skipping insertion in model container [2024-12-06 04:10:55,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:10:55" (1/1) ... [2024-12-06 04:10:55,995 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:10:56,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:10:56,158 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:10:56,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:10:56,200 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:10:56,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:56 WrapperNode [2024-12-06 04:10:56,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:10:56,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:10:56,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:10:56,202 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:10:56,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:56" (1/1) ... [2024-12-06 04:10:56,214 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:56" (1/1) ... [2024-12-06 04:10:56,232 INFO L138 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 209 [2024-12-06 04:10:56,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:10:56,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:10:56,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:10:56,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:10:56,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:56" (1/1) ... [2024-12-06 04:10:56,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:56" (1/1) ... [2024-12-06 04:10:56,242 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:56" (1/1) ... [2024-12-06 04:10:56,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:56" (1/1) ... [2024-12-06 04:10:56,247 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:56" (1/1) ... [2024-12-06 04:10:56,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:56" (1/1) ... [2024-12-06 04:10:56,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:56" (1/1) ... [2024-12-06 04:10:56,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:56" (1/1) ... [2024-12-06 04:10:56,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:56" (1/1) ... [2024-12-06 04:10:56,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:10:56,259 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:10:56,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:10:56,259 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:10:56,260 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:56" (1/1) ... [2024-12-06 04:10:56,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:10:56,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:10:56,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:10:56,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:10:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:10:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:10:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-06 04:10:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-06 04:10:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:10:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:10:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:10:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:10:56,365 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:10:56,367 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:10:56,778 INFO L? ?]: Removed 93 outVars from TransFormulas that were not future-live. [2024-12-06 04:10:56,778 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:10:56,954 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:10:56,954 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 04:10:56,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:10:56 BoogieIcfgContainer [2024-12-06 04:10:56,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:10:56,955 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:10:56,955 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:10:56,963 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:10:56,963 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:10:56" (1/1) ... [2024-12-06 04:10:56,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:10:57,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:57,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 84 states and 105 transitions. [2024-12-06 04:10:57,015 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2024-12-06 04:10:57,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:10:57,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:57,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:57,173 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 04:10:57,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:57,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 89 states and 114 transitions. [2024-12-06 04:10:57,227 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2024-12-06 04:10:57,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:10:57,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:57,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:57,296 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 04:10:57,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:57,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 92 states and 120 transitions. [2024-12-06 04:10:57,322 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 120 transitions. [2024-12-06 04:10:57,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:10:57,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:57,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:57,366 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 04:10:57,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:57,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 94 states and 122 transitions. [2024-12-06 04:10:57,384 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2024-12-06 04:10:57,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:10:57,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:57,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:57,421 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 04:10:57,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:57,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 95 states and 123 transitions. [2024-12-06 04:10:57,434 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2024-12-06 04:10:57,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:10:57,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:57,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:57,477 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 04:10:57,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:57,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 96 states and 124 transitions. [2024-12-06 04:10:57,491 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 124 transitions. [2024-12-06 04:10:57,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:10:57,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:57,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:57,525 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 04:10:57,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:57,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 97 states and 125 transitions. [2024-12-06 04:10:57,540 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 125 transitions. [2024-12-06 04:10:57,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 04:10:57,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:57,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:57,577 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 04:10:57,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:57,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 98 states and 126 transitions. [2024-12-06 04:10:57,590 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 126 transitions. [2024-12-06 04:10:57,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:10:57,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:57,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:57,638 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 04:10:57,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:57,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 99 states and 127 transitions. [2024-12-06 04:10:57,649 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 127 transitions. [2024-12-06 04:10:57,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:10:57,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:57,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:57,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:10:57,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:57,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 98 states and 126 transitions. [2024-12-06 04:10:57,713 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 126 transitions. [2024-12-06 04:10:57,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:10:57,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:57,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:57,758 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 04:10:57,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:57,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 101 states and 132 transitions. [2024-12-06 04:10:57,812 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 132 transitions. [2024-12-06 04:10:57,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:10:57,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:57,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:57,872 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 04:10:58,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:58,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 103 states and 136 transitions. [2024-12-06 04:10:58,029 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 136 transitions. [2024-12-06 04:10:58,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 04:10:58,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:58,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:58,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:10:58,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:58,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 109 states and 148 transitions. [2024-12-06 04:10:58,353 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 148 transitions. [2024-12-06 04:10:58,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 04:10:58,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:58,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:58,377 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:10:58,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:58,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 111 states and 150 transitions. [2024-12-06 04:10:58,404 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 150 transitions. [2024-12-06 04:10:58,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 04:10:58,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:58,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:58,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:10:58,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:58,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 117 states and 160 transitions. [2024-12-06 04:10:58,890 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 160 transitions. [2024-12-06 04:10:58,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 04:10:58,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:58,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:58,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:10:59,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:59,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 121 states and 167 transitions. [2024-12-06 04:10:59,013 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 167 transitions. [2024-12-06 04:10:59,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 04:10:59,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:59,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:59,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:10:59,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:59,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 120 states and 165 transitions. [2024-12-06 04:10:59,233 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 165 transitions. [2024-12-06 04:10:59,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 04:10:59,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:59,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:59,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:10:59,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:59,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 122 states and 166 transitions. [2024-12-06 04:10:59,294 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 166 transitions. [2024-12-06 04:10:59,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 04:10:59,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:59,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:59,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:10:59,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:59,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 121 states and 165 transitions. [2024-12-06 04:10:59,336 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 165 transitions. [2024-12-06 04:10:59,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 04:10:59,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:59,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:59,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:10:59,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:59,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 121 states and 164 transitions. [2024-12-06 04:10:59,386 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2024-12-06 04:10:59,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:10:59,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:59,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:10:59,397 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:10:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:10:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:10:59,442 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:10:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:10:59,469 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2024-12-06 04:10:59,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:10:59 ImpRootNode [2024-12-06 04:10:59,489 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:10:59,490 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:10:59,490 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:10:59,490 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:10:59,490 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:10:56" (3/4) ... [2024-12-06 04:10:59,492 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 04:10:59,492 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:10:59,493 INFO L158 Benchmark]: Toolchain (without parser) took 3522.04ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 95.8MB in the end (delta: 20.8MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-12-06 04:10:59,493 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:10:59,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.15ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 102.4MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:10:59,494 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.79ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 100.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:10:59,494 INFO L158 Benchmark]: Boogie Preprocessor took 25.70ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 99.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:10:59,494 INFO L158 Benchmark]: RCFGBuilder took 695.44ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 103.8MB in the end (delta: -4.7MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2024-12-06 04:10:59,495 INFO L158 Benchmark]: CodeCheck took 2534.22ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 95.8MB in the end (delta: 8.0MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-12-06 04:10:59,495 INFO L158 Benchmark]: Witness Printer took 2.54ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 95.8MB in the end (delta: 11.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:10:59,497 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 3 procedures, 84 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1289 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 784 mSDsluCounter, 923 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 584 mSDsCounter, 559 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2105 IncrementalHoareTripleChecker+Invalid, 2664 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 559 mSolverCounterUnsat, 339 mSDtfsCounter, 2105 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1989 GetRequests, 1904 SyntacticMatches, 25 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1215 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 244 NumberOfCodeBlocks, 244 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 207 ConstructedInterpolants, 0 QuantifiedInterpolants, 531 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 18/18 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: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 76. Possible FailurePath: [L226] unsigned int a ; [L227] unsigned int ma = __VERIFIER_nondet_uint(); [L228] signed char ea = __VERIFIER_nondet_char(); [L229] unsigned int b ; [L230] unsigned int mb = __VERIFIER_nondet_uint(); [L231] signed char eb = __VERIFIER_nondet_char(); [L232] unsigned int r_add ; [L233] unsigned int zero ; [L234] int sa ; [L235] int sb ; [L236] int tmp ; [L237] int tmp___0 ; [L238] int tmp___1 ; [L239] int tmp___2 ; [L240] int tmp___3 ; [L241] int tmp___4 ; [L242] int tmp___5 ; [L243] int tmp___6 ; [L244] int tmp___7 ; [L245] int tmp___8 ; [L246] int tmp___9 ; [L247] int __retres23 ; VAL [ea=0, eb=0] [L251] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L29] COND TRUE ! m [L30] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0] [L80] return (__retres4); [L251] RET, EXPR base2flt(0, 0) VAL [ea=0, eb=0] [L251] zero = base2flt(0, 0) [L252] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L29] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L76] EXPR m & ~ (1U << 24U) [L76] m = m & ~ (1U << 24U) [L77] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L77] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, m=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.15ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 102.4MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.79ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 100.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.70ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 99.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 695.44ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 103.8MB in the end (delta: -4.7MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. * CodeCheck took 2534.22ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 95.8MB in the end (delta: 8.0MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * Witness Printer took 2.54ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 95.8MB in the end (delta: 11.5kB). 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 04:10:59,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/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_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/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_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/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_fbc95419-de24-46b9-8239-5d0677c35d91/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 94f477eb9e1d39767903bc1f4d97616f290c342b1e9705cced3715d26576f911 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:11:01,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:11:01,594 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-06 04:11:01,623 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:11:01,623 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:11:01,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:11:01,624 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:11:01,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:11:01,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:11:01,625 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:11:01,625 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:11:01,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:11:01,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:11:01,625 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:11:01,625 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:11:01,625 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:11:01,625 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:11:01,626 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:11:01,626 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:11:01,626 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:11:01,626 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:11:01,626 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:11:01,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:11:01,626 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:11:01,627 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:11:01,627 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:11:01,627 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:11:01,627 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:11:01,627 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:11:01,627 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:11:01,627 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:11:01,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:11:01,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:11:01,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:11:01,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:11:01,628 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:11:01,628 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:11:01,628 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:11:01,628 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_fbc95419-de24-46b9-8239-5d0677c35d91/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 -> 94f477eb9e1d39767903bc1f4d97616f290c342b1e9705cced3715d26576f911 [2024-12-06 04:11:01,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:11:01,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:11:01,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:11:01,880 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:11:01,881 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:11:01,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2024-12-06 04:11:04,512 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/data/ae4cdce92/c776a085393c4563adb8098d37fa18d3/FLAG76a5cbfcb [2024-12-06 04:11:04,714 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:11:04,715 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2024-12-06 04:11:04,723 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/data/ae4cdce92/c776a085393c4563adb8098d37fa18d3/FLAG76a5cbfcb [2024-12-06 04:11:04,738 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/data/ae4cdce92/c776a085393c4563adb8098d37fa18d3 [2024-12-06 04:11:04,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:11:04,742 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:11:04,743 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:11:04,744 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:11:04,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:11:04,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:11:04" (1/1) ... [2024-12-06 04:11:04,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@563404d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:11:04, skipping insertion in model container [2024-12-06 04:11:04,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:11:04" (1/1) ... [2024-12-06 04:11:04,769 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:11:04,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:11:04,975 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:11:05,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:11:05,031 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:11:05,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:11:05 WrapperNode [2024-12-06 04:11:05,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:11:05,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:11:05,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:11:05,033 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:11:05,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:11:05" (1/1) ... [2024-12-06 04:11:05,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:11:05" (1/1) ... [2024-12-06 04:11:05,065 INFO L138 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 168 [2024-12-06 04:11:05,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:11:05,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:11:05,066 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:11:05,066 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:11:05,074 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:11:05" (1/1) ... [2024-12-06 04:11:05,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:11:05" (1/1) ... [2024-12-06 04:11:05,077 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:11:05" (1/1) ... [2024-12-06 04:11:05,077 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:11:05" (1/1) ... [2024-12-06 04:11:05,084 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:11:05" (1/1) ... [2024-12-06 04:11:05,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:11:05" (1/1) ... [2024-12-06 04:11:05,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:11:05" (1/1) ... [2024-12-06 04:11:05,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:11:05" (1/1) ... [2024-12-06 04:11:05,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:11:05" (1/1) ... [2024-12-06 04:11:05,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:11:05,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:11:05,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:11:05,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:11:05,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:11:05" (1/1) ... [2024-12-06 04:11:05,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:11:05,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:11:05,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:11:05,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:11:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:11:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:11:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-06 04:11:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-06 04:11:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:11:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:11:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:11:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:11:05,239 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:11:05,240 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:11:05,606 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-12-06 04:11:05,606 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:11:05,719 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:11:05,719 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 04:11:05,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:11:05 BoogieIcfgContainer [2024-12-06 04:11:05,720 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:11:05,721 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:11:05,721 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:11:05,730 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:11:05,730 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:11:05" (1/1) ... [2024-12-06 04:11:05,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:11:05,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:11:05,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 84 states and 105 transitions. [2024-12-06 04:11:05,776 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2024-12-06 04:11:05,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:11:05,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:11:05,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:11:05,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:11:05,782 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:11:05,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:11:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:05,849 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:11:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:05,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 04:11:05,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:11:05,919 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 04:11:05,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:11:05,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:11:05,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 86 states and 107 transitions. [2024-12-06 04:11:05,985 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 107 transitions. [2024-12-06 04:11:05,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 04:11:05,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:11:05,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:11:05,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:11:05,988 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:11:05,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:11:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:06,056 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:11:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:06,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 04:11:06,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:11:06,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:11:06,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 04:11:06,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:11:06,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 85 states and 106 transitions. [2024-12-06 04:11:06,134 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 106 transitions. [2024-12-06 04:11:06,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 04:11:06,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:11:06,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:11:06,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:11:06,137 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:11:06,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 04:11:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:06,195 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:11:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:06,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 04:11:06,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:11:06,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:11:06,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 04:11:06,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:11:06,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 84 states and 105 transitions. [2024-12-06 04:11:06,224 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2024-12-06 04:11:06,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 04:11:06,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:11:06,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:11:06,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:11:06,227 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:11:06,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 04:11:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:06,285 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:11:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:06,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 04:11:06,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:11:06,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:11:06,304 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-12-06 04:11:06,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-06 04:11:06,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:11:06,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 83 states and 104 transitions. [2024-12-06 04:11:06,310 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 104 transitions. [2024-12-06 04:11:06,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 04:11:06,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:11:06,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:11:06,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:11:06,313 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:11:06,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 04:11:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:06,360 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:11:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:06,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 04:11:06,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:11:06,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:11:06,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 04:11:06,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:11:06,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 82 states and 103 transitions. [2024-12-06 04:11:06,383 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 103 transitions. [2024-12-06 04:11:06,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 04:11:06,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:11:06,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:11:06,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:11:06,386 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:11:06,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 04:11:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:06,452 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:11:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:06,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 04:11:06,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:11:06,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:11:06,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-12-06 04:11:06,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:11:06,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 86 states and 110 transitions. [2024-12-06 04:11:06,935 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2024-12-06 04:11:06,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 04:11:06,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:11:06,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:11:06,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:11:06,939 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:11:06,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 04:11:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:06,996 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:11:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:07,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 04:11:07,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:11:07,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:11:07,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 04:11:07,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:11:07,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 85 states and 109 transitions. [2024-12-06 04:11:07,114 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions. [2024-12-06 04:11:07,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 04:11:07,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:11:07,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:11:07,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:11:07,116 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:11:07,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 04:11:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:07,171 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:11:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:07,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 04:11:07,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:11:07,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:11:07,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 04:11:07,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:11:07,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 86 states and 110 transitions. [2024-12-06 04:11:07,273 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2024-12-06 04:11:07,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 04:11:07,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:11:07,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:11:07,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:11:07,277 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:11:07,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 04:11:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:07,338 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:11:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:07,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 04:11:07,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:11:07,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:11:07,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 04:11:07,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:11:07,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 85 states and 109 transitions. [2024-12-06 04:11:07,446 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions. [2024-12-06 04:11:07,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:11:07,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:11:07,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:11:07,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:11:07,449 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:11:07,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 04:11:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:11:07,517 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:11:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:11:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:11:07,574 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:11:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:11:07,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 04:11:07,597 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2024-12-06 04:11:07,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:11:07 ImpRootNode [2024-12-06 04:11:07,618 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:11:07,618 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:11:07,618 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:11:07,619 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:11:07,619 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:11:05" (3/4) ... [2024-12-06 04:11:07,620 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 04:11:07,654 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-12-06 04:11:07,698 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:11:07,698 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:11:07,698 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:11:07,699 INFO L158 Benchmark]: Toolchain (without parser) took 2957.35ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 32.8MB in the end (delta: 37.1MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2024-12-06 04:11:07,700 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:11:07,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.85ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 54.9MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:11:07,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.86ms. Allocated memory is still 92.3MB. Free memory was 54.9MB in the beginning and 53.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:11:07,701 INFO L158 Benchmark]: Boogie Preprocessor took 31.46ms. Allocated memory is still 92.3MB. Free memory was 53.2MB in the beginning and 51.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:11:07,701 INFO L158 Benchmark]: RCFGBuilder took 621.86ms. Allocated memory is still 92.3MB. Free memory was 51.7MB in the beginning and 45.9MB in the end (delta: 5.8MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-12-06 04:11:07,702 INFO L158 Benchmark]: CodeCheck took 1897.34ms. Allocated memory is still 92.3MB. Free memory was 45.9MB in the beginning and 37.7MB in the end (delta: 8.2MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-12-06 04:11:07,702 INFO L158 Benchmark]: Witness Printer took 80.22ms. Allocated memory is still 92.3MB. Free memory was 37.7MB in the beginning and 32.8MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:11:07,704 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 3 procedures, 84 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 442 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 229 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 103 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 289 IncrementalHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 103 mSolverCounterUnsat, 205 mSDtfsCounter, 289 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1003 GetRequests, 979 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 116 ConstructedInterpolants, 15 QuantifiedInterpolants, 193 SizeOfPredicates, 3 NumberOfNonLiveVariables, 300 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 16/16 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 77]: integer overflow possible integer overflow possible We found a FailurePath: [L226] unsigned int a ; [L227] unsigned int ma = __VERIFIER_nondet_uint(); [L228] signed char ea = __VERIFIER_nondet_char(); [L229] unsigned int b ; [L230] unsigned int mb = __VERIFIER_nondet_uint(); [L231] signed char eb = __VERIFIER_nondet_char(); [L232] unsigned int r_add ; [L233] unsigned int zero ; [L234] int sa ; [L235] int sb ; [L236] int tmp ; [L237] int tmp___0 ; [L238] int tmp___1 ; [L239] int tmp___2 ; [L240] int tmp___3 ; [L241] int tmp___4 ; [L242] int tmp___5 ; [L243] int tmp___6 ; [L244] int tmp___7 ; [L245] int tmp___8 ; [L246] int tmp___9 ; [L247] int __retres23 ; [L251] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L29] COND TRUE ! m [L30] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0] [L80] return (__retres4); [L251] RET, EXPR base2flt(0, 0) [L251] zero = base2flt(0, 0) [L252] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L29] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L76] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L77] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L77] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, m=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.85ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 54.9MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.86ms. Allocated memory is still 92.3MB. Free memory was 54.9MB in the beginning and 53.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.46ms. Allocated memory is still 92.3MB. Free memory was 53.2MB in the beginning and 51.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 621.86ms. Allocated memory is still 92.3MB. Free memory was 51.7MB in the beginning and 45.9MB in the end (delta: 5.8MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * CodeCheck took 1897.34ms. Allocated memory is still 92.3MB. Free memory was 45.9MB in the beginning and 37.7MB in the end (delta: 8.2MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Witness Printer took 80.22ms. Allocated memory is still 92.3MB. Free memory was 37.7MB in the beginning and 32.8MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 04:11:07,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc95419-de24-46b9-8239-5d0677c35d91/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)