./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/memsafety-ext2/length_test03-2.i --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_dd455144-8555-46e3-828f-30d0c7a739b6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd455144-8555-46e3-828f-30d0c7a739b6/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_dd455144-8555-46e3-828f-30d0c7a739b6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd455144-8555-46e3-828f-30d0c7a739b6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/memsafety-ext2/length_test03-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd455144-8555-46e3-828f-30d0c7a739b6/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_dd455144-8555-46e3-828f-30d0c7a739b6/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 8d477dcc38abb71f88978d460e8393ef9ba09f24c134f3de362c4df2a3599c9a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:27:01,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:27:01,134 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd455144-8555-46e3-828f-30d0c7a739b6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-05 21:27:01,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:27:01,139 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:27:01,161 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:27:01,162 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:27:01,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:27:01,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:27:01,162 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:27:01,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:27:01,163 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:27:01,163 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:27:01,163 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:27:01,163 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:27:01,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:27:01,163 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:27:01,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:27:01,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:27:01,164 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 21:27:01,164 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:27:01,164 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:27:01,164 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:27:01,164 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:27:01,164 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:27:01,164 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:27:01,164 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:27:01,164 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:27:01,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:27:01,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:27:01,165 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:27:01,165 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:27:01,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:27:01,165 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:27:01,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:27:01,165 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_dd455144-8555-46e3-828f-30d0c7a739b6/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 -> 8d477dcc38abb71f88978d460e8393ef9ba09f24c134f3de362c4df2a3599c9a [2024-12-05 21:27:01,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:27:01,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:27:01,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:27:01,438 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:27:01,439 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:27:01,440 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd455144-8555-46e3-828f-30d0c7a739b6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/memsafety-ext2/length_test03-2.i [2024-12-05 21:27:04,254 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd455144-8555-46e3-828f-30d0c7a739b6/bin/ukojak-verify-CZk0znPC7b/data/6dcb6aec0/953e91c24c0442948a0882d9b96c87ca/FLAGa4bb26125 [2024-12-05 21:27:04,503 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:27:04,503 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd455144-8555-46e3-828f-30d0c7a739b6/sv-benchmarks/c/memsafety-ext2/length_test03-2.i [2024-12-05 21:27:04,514 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd455144-8555-46e3-828f-30d0c7a739b6/bin/ukojak-verify-CZk0znPC7b/data/6dcb6aec0/953e91c24c0442948a0882d9b96c87ca/FLAGa4bb26125 [2024-12-05 21:27:04,529 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd455144-8555-46e3-828f-30d0c7a739b6/bin/ukojak-verify-CZk0znPC7b/data/6dcb6aec0/953e91c24c0442948a0882d9b96c87ca [2024-12-05 21:27:04,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:27:04,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:27:04,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:27:04,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:27:04,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:27:04,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:27:04" (1/1) ... [2024-12-05 21:27:04,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75fa9c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:04, skipping insertion in model container [2024-12-05 21:27:04,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:27:04" (1/1) ... [2024-12-05 21:27:04,565 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:27:04,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:27:04,837 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:27:04,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:27:04,897 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:27:04,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:04 WrapperNode [2024-12-05 21:27:04,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:27:04,898 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:27:04,898 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:27:04,899 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:27:04,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:04" (1/1) ... [2024-12-05 21:27:04,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:04" (1/1) ... [2024-12-05 21:27:04,933 INFO L138 Inliner]: procedures = 123, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 89 [2024-12-05 21:27:04,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:27:04,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:27:04,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:27:04,934 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:27:04,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:04" (1/1) ... [2024-12-05 21:27:04,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:04" (1/1) ... [2024-12-05 21:27:04,944 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:04" (1/1) ... [2024-12-05 21:27:04,944 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:04" (1/1) ... [2024-12-05 21:27:04,951 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:04" (1/1) ... [2024-12-05 21:27:04,952 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:04" (1/1) ... [2024-12-05 21:27:04,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:04" (1/1) ... [2024-12-05 21:27:04,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:04" (1/1) ... [2024-12-05 21:27:04,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:04" (1/1) ... [2024-12-05 21:27:04,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:27:04,960 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:27:04,960 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:27:04,960 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:27:04,961 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:04" (1/1) ... [2024-12-05 21:27:04,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:27:04,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd455144-8555-46e3-828f-30d0c7a739b6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:27:04,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd455144-8555-46e3-828f-30d0c7a739b6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:27:04,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd455144-8555-46e3-828f-30d0c7a739b6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:27:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 21:27:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 21:27:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:27:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 21:27:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 21:27:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 21:27:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:27:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:27:05,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:27:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure append [2024-12-05 21:27:05,014 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2024-12-05 21:27:05,088 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:27:05,089 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:27:05,287 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-12-05 21:27:05,287 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:27:05,363 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:27:05,363 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-05 21:27:05,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:27:05 BoogieIcfgContainer [2024-12-05 21:27:05,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:27:05,364 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:27:05,365 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:27:05,373 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:27:05,374 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:27:05" (1/1) ... [2024-12-05 21:27:05,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:27:05,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:05,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-12-05 21:27:05,432 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-12-05 21:27:05,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:27:05,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:05,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:05,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:27:05,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:05,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2024-12-05 21:27:05,631 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2024-12-05 21:27:05,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 21:27:05,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:05,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:05,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:27:05,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:05,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2024-12-05 21:27:05,967 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-12-05 21:27:05,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 21:27:05,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:05,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:06,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:27:06,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:06,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2024-12-05 21:27:06,199 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2024-12-05 21:27:06,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 21:27:06,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:06,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:06,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:27:06,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:06,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2024-12-05 21:27:06,373 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2024-12-05 21:27:06,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 21:27:06,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:06,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:06,528 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:27:06,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:06,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-12-05 21:27:06,572 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-12-05 21:27:06,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 21:27:06,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:06,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:06,810 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:06,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:06,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2024-12-05 21:27:06,968 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2024-12-05 21:27:06,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 21:27:06,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:06,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:07,157 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-05 21:27:07,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:07,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 39 transitions. [2024-12-05 21:27:07,341 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-12-05 21:27:07,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 21:27:07,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:07,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:07,578 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-05 21:27:07,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:07,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 42 transitions. [2024-12-05 21:27:07,621 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2024-12-05 21:27:07,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 21:27:07,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:07,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:07,950 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 21:27:08,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:08,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 34 transitions. [2024-12-05 21:27:08,013 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2024-12-05 21:27:08,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 21:27:08,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:08,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:08,199 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-05 21:27:08,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:08,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 35 transitions. [2024-12-05 21:27:08,215 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2024-12-05 21:27:08,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 21:27:08,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:08,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:08,477 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 21:27:08,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:08,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 41 transitions. [2024-12-05 21:27:08,758 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2024-12-05 21:27:08,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 21:27:08,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:08,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:09,087 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:27:09,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:09,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 47 transitions. [2024-12-05 21:27:09,397 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2024-12-05 21:27:09,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 21:27:09,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:09,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:09,845 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:27:10,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:10,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 53 transitions. [2024-12-05 21:27:10,241 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2024-12-05 21:27:10,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-05 21:27:10,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:10,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:10,740 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-05 21:27:11,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:11,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 49 states and 58 transitions. [2024-12-05 21:27:11,019 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2024-12-05 21:27:11,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-12-05 21:27:11,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:11,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:11,311 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-12-05 21:27:11,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:11,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 51 states and 61 transitions. [2024-12-05 21:27:11,417 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2024-12-05 21:27:11,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-05 21:27:11,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:11,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:11,647 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-05 21:27:11,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:11,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 50 states and 60 transitions. [2024-12-05 21:27:11,817 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2024-12-05 21:27:11,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-05 21:27:11,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:11,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:12,240 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-12-05 21:27:12,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:12,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 55 transitions. [2024-12-05 21:27:12,326 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2024-12-05 21:27:12,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 21:27:12,326 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 18 iterations. [2024-12-05 21:27:12,334 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-05 21:27:12,444 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 591) no Hoare annotation was computed. [2024-12-05 21:27:12,444 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 578) the Hoare annotation is: true [2024-12-05 21:27:12,444 INFO L77 FloydHoareUtils]: At program point L573-1(lines 573 576) the Hoare annotation is: true [2024-12-05 21:27:12,444 INFO L77 FloydHoareUtils]: At program point L573-2(lines 573 576) the Hoare annotation is: true [2024-12-05 21:27:12,444 INFO L77 FloydHoareUtils]: At program point L573-4(lines 573 576) the Hoare annotation is: true [2024-12-05 21:27:12,445 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 578) the Hoare annotation is: true [2024-12-05 21:27:12,445 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 21:27:12,445 INFO L77 FloydHoareUtils]: At program point L578-3(line 578) the Hoare annotation is: true [2024-12-05 21:27:12,445 INFO L77 FloydHoareUtils]: At program point L578-4(line 578) the Hoare annotation is: true [2024-12-05 21:27:12,445 INFO L77 FloydHoareUtils]: At program point L578-5(lines 578 581) the Hoare annotation is: true [2024-12-05 21:27:12,445 INFO L77 FloydHoareUtils]: At program point L591-3(line 591) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_#t~post21#1| 4) (<= 1 |ULTIMATE.start_main_#t~post21#1|)) (= 0 |ULTIMATE.start_main_#t~post21#1|)) [2024-12-05 21:27:12,446 INFO L77 FloydHoareUtils]: At program point L591-4(line 591) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_#t~post21#1| 4) (<= 1 |ULTIMATE.start_main_#t~post21#1|)) (= 0 |ULTIMATE.start_main_#t~post21#1|)) [2024-12-05 21:27:12,446 INFO L77 FloydHoareUtils]: At program point L591-5(lines 591 595) the Hoare annotation is: (not (and (< |ULTIMATE.start_main_~c~0#1| 1) (not (= |ULTIMATE.start_main_~c~0#1| 0)))) [2024-12-05 21:27:12,446 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 21:27:12,446 INFO L77 FloydHoareUtils]: At program point L575(line 575) the Hoare annotation is: true [2024-12-05 21:27:12,446 INFO L77 FloydHoareUtils]: At program point L575-1(line 575) the Hoare annotation is: true [2024-12-05 21:27:12,446 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 591) no Hoare annotation was computed. [2024-12-05 21:27:12,446 INFO L77 FloydHoareUtils]: At program point L584-3(lines 584 588) the Hoare annotation is: true [2024-12-05 21:27:12,447 INFO L77 FloydHoareUtils]: At program point L580(line 580) the Hoare annotation is: (<= |ULTIMATE.start_main_~c~0#1| 5) [2024-12-05 21:27:12,447 INFO L77 FloydHoareUtils]: At program point L580-1(line 580) the Hoare annotation is: true [2024-12-05 21:27:12,447 INFO L77 FloydHoareUtils]: At program point appendEXIT(lines 550 564) the Hoare annotation is: true [2024-12-05 21:27:12,447 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 550 564) the Hoare annotation is: true [2024-12-05 21:27:12,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:27:12 ImpRootNode [2024-12-05 21:27:12,464 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:27:12,465 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:27:12,465 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:27:12,465 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:27:12,466 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:27:05" (3/4) ... [2024-12-05 21:27:12,468 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 21:27:12,470 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure append [2024-12-05 21:27:12,473 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-12-05 21:27:12,473 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-05 21:27:12,474 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 21:27:12,474 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 21:27:12,552 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd455144-8555-46e3-828f-30d0c7a739b6/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:27:12,552 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd455144-8555-46e3-828f-30d0c7a739b6/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:27:12,552 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:27:12,553 INFO L158 Benchmark]: Toolchain (without parser) took 8019.62ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 115.8MB in the beginning and 197.7MB in the end (delta: -81.9MB). Peak memory consumption was 157.6MB. Max. memory is 16.1GB. [2024-12-05 21:27:12,553 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:27:12,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.35ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 98.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:27:12,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.78ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 96.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:27:12,554 INFO L158 Benchmark]: Boogie Preprocessor took 26.09ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 95.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:27:12,554 INFO L158 Benchmark]: RCFGBuilder took 403.54ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 71.9MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 21:27:12,554 INFO L158 Benchmark]: CodeCheck took 7100.10ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 71.9MB in the beginning and 206.0MB in the end (delta: -134.1MB). Peak memory consumption was 115.7MB. Max. memory is 16.1GB. [2024-12-05 21:27:12,555 INFO L158 Benchmark]: Witness Printer took 86.87ms. Allocated memory is still 385.9MB. Free memory was 206.0MB in the beginning and 197.7MB in the end (delta: 8.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:27:12,556 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 22 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 948 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 272 mSDsluCounter, 366 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 598 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1737 IncrementalHoareTripleChecker+Invalid, 2335 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 598 mSolverCounterUnsat, 366 mSDtfsCounter, 1737 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3204 GetRequests, 3054 SyntacticMatches, 64 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3771 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 524 NumberOfCodeBlocks, 524 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 507 ConstructedInterpolants, 0 QuantifiedInterpolants, 781 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 8 PerfectInterpolantSequences, 515/650 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: !((c < 1) && (c != 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.35ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 98.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.78ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 96.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.09ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 95.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 403.54ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 71.9MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 7100.10ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 71.9MB in the beginning and 206.0MB in the end (delta: -134.1MB). Peak memory consumption was 115.7MB. Max. memory is 16.1GB. * Witness Printer took 86.87ms. Allocated memory is still 385.9MB. Free memory was 206.0MB in the beginning and 197.7MB in the end (delta: 8.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 21:27:12,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd455144-8555-46e3-828f-30d0c7a739b6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE