./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/NO_24.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c23afad-6894-4f3f-a75a-7a85e4d277eb/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c23afad-6894-4f3f-a75a-7a85e4d277eb/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c23afad-6894-4f3f-a75a-7a85e4d277eb/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c23afad-6894-4f3f-a75a-7a85e4d277eb/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/NO_24.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c23afad-6894-4f3f-a75a-7a85e4d277eb/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c23afad-6894-4f3f-a75a-7a85e4d277eb/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6c60292dde23ab55828ef032d9fe2f87b2621bfa03c7b2d7ca1f8181db5f622f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 03:46:36,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:46:36,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:46:36,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:46:36,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:46:36,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:46:36,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:46:36,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:46:36,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:46:36,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:46:36,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:46:36,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:46:36,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:46:36,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:46:36,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:46:36,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:46:36,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:46:36,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:46:36,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:46:36,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:46:36,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:46:36,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:46:36,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:46:36,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:46:36,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:46:36,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:46:36,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:46:36,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:46:36,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:46:36,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:46:36,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:46:36,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:46:36,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:46:36,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:46:36,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:46:36,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:46:36,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:46:36,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:46:36,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:46:36,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:46:36,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:46:36,188 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c23afad-6894-4f3f-a75a-7a85e4d277eb/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 03:46:36,208 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:46:36,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:46:36,209 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:46:36,209 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:46:36,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:46:36,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:46:36,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:46:36,211 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 03:46:36,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:46:36,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:46:36,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:46:36,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:46:36,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:46:36,212 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 03:46:36,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:46:36,212 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:46:36,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:46:36,212 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:46:36,213 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:46:36,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:46:36,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:46:36,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:46:36,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:46:36,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:46:36,214 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:46:36,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:46:36,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:46:36,214 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c23afad-6894-4f3f-a75a-7a85e4d277eb/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c23afad-6894-4f3f-a75a-7a85e4d277eb/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c60292dde23ab55828ef032d9fe2f87b2621bfa03c7b2d7ca1f8181db5f622f [2022-12-15 03:46:36,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:46:36,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:46:36,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:46:36,430 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:46:36,431 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:46:36,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c23afad-6894-4f3f-a75a-7a85e4d277eb/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-restricted-15/NO_24.c [2022-12-15 03:46:38,994 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:46:39,131 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:46:39,131 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c23afad-6894-4f3f-a75a-7a85e4d277eb/sv-benchmarks/c/termination-restricted-15/NO_24.c [2022-12-15 03:46:39,135 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c23afad-6894-4f3f-a75a-7a85e4d277eb/bin/ukojak-rkRKPMF4O4/data/d465158b4/44a3c5acf0634bee874ae470539bdabe/FLAG28bf36e0a [2022-12-15 03:46:39,146 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c23afad-6894-4f3f-a75a-7a85e4d277eb/bin/ukojak-rkRKPMF4O4/data/d465158b4/44a3c5acf0634bee874ae470539bdabe [2022-12-15 03:46:39,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:46:39,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:46:39,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:46:39,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:46:39,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:46:39,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:46:39" (1/1) ... [2022-12-15 03:46:39,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3901f53f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:39, skipping insertion in model container [2022-12-15 03:46:39,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:46:39" (1/1) ... [2022-12-15 03:46:39,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:46:39,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:46:39,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:46:39,282 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:46:39,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:46:39,301 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:46:39,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:39 WrapperNode [2022-12-15 03:46:39,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:46:39,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:46:39,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:46:39,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:46:39,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:39" (1/1) ... [2022-12-15 03:46:39,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:39" (1/1) ... [2022-12-15 03:46:39,322 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2022-12-15 03:46:39,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:46:39,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:46:39,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:46:39,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:46:39,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:39" (1/1) ... [2022-12-15 03:46:39,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:39" (1/1) ... [2022-12-15 03:46:39,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:39" (1/1) ... [2022-12-15 03:46:39,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:39" (1/1) ... [2022-12-15 03:46:39,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:39" (1/1) ... [2022-12-15 03:46:39,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:39" (1/1) ... [2022-12-15 03:46:39,337 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:39" (1/1) ... [2022-12-15 03:46:39,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:39" (1/1) ... [2022-12-15 03:46:39,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:46:39,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:46:39,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:46:39,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:46:39,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:39" (1/1) ... [2022-12-15 03:46:39,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:46:39,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c23afad-6894-4f3f-a75a-7a85e4d277eb/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:46:39,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c23afad-6894-4f3f-a75a-7a85e4d277eb/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:46:39,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c23afad-6894-4f3f-a75a-7a85e4d277eb/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:46:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:46:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:46:39,451 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:46:39,452 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:46:39,517 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:46:39,527 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:46:39,527 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 03:46:39,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:46:39 BoogieIcfgContainer [2022-12-15 03:46:39,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:46:39,530 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:46:39,530 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:46:39,537 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:46:39,537 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:46:39" (1/1) ... [2022-12-15 03:46:39,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:46:39,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:39,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2022-12-15 03:46:39,585 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2022-12-15 03:46:39,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-15 03:46:39,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:39,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:39,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:46:39,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:39,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2022-12-15 03:46:39,717 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-12-15 03:46:39,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 03:46:39,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:39,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:39,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:46:39,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:39,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2022-12-15 03:46:39,803 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2022-12-15 03:46:39,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 03:46:39,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:39,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:39,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:46:39,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:39,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2022-12-15 03:46:39,996 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-12-15 03:46:39,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 03:46:39,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:39,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:40,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:46:40,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:40,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2022-12-15 03:46:40,238 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2022-12-15 03:46:40,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 03:46:40,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:40,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:40,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:46:40,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:40,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 49 transitions. [2022-12-15 03:46:40,448 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2022-12-15 03:46:40,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 03:46:40,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:40,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:40,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:46:40,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:40,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 54 transitions. [2022-12-15 03:46:40,652 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2022-12-15 03:46:40,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 03:46:40,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:40,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:40,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:46:40,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:40,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 44 states and 59 transitions. [2022-12-15 03:46:40,851 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2022-12-15 03:46:40,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 03:46:40,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:40,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:40,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:46:41,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:41,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2022-12-15 03:46:41,167 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2022-12-15 03:46:41,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 03:46:41,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:41,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:41,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:46:41,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:41,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 52 states and 71 transitions. [2022-12-15 03:46:41,502 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-12-15 03:46:41,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 03:46:41,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:41,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:41,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:46:41,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:41,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 54 states and 73 transitions. [2022-12-15 03:46:41,840 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 73 transitions. [2022-12-15 03:46:41,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 03:46:41,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:41,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:41,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:46:42,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:42,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 55 states and 73 transitions. [2022-12-15 03:46:42,007 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2022-12-15 03:46:42,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 03:46:42,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:42,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:42,069 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:46:42,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:42,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2022-12-15 03:46:42,359 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2022-12-15 03:46:42,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 03:46:42,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:42,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:42,424 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:46:42,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:42,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 64 states and 86 transitions. [2022-12-15 03:46:42,557 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2022-12-15 03:46:42,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:46:42,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:42,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:42,614 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:46:42,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:42,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 93 transitions. [2022-12-15 03:46:42,821 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2022-12-15 03:46:42,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 03:46:42,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:42,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:42,870 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:46:43,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:43,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 70 states and 100 transitions. [2022-12-15 03:46:43,043 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 100 transitions. [2022-12-15 03:46:43,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 03:46:43,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:43,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:43,090 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:46:43,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:43,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 75 states and 104 transitions. [2022-12-15 03:46:43,317 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2022-12-15 03:46:43,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:46:43,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:43,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:43,425 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:46:43,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:43,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 78 states and 110 transitions. [2022-12-15 03:46:43,862 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2022-12-15 03:46:43,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 03:46:43,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:43,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:43,997 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 03:46:44,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:44,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 82 states and 119 transitions. [2022-12-15 03:46:44,400 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 119 transitions. [2022-12-15 03:46:44,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 03:46:44,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:44,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:44,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:44,426 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 03:46:44,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:44,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 84 states and 119 transitions. [2022-12-15 03:46:44,635 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2022-12-15 03:46:44,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 03:46:44,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:44,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:44,659 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 03:46:44,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:44,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 86 states and 121 transitions. [2022-12-15 03:46:44,947 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 121 transitions. [2022-12-15 03:46:44,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 03:46:44,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:44,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:44,972 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 03:46:45,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:45,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2022-12-15 03:46:45,306 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2022-12-15 03:46:45,306 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 03:46:45,306 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2022-12-15 03:46:45,312 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-15 03:46:45,395 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2022-12-15 03:46:45,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:46:45 ImpRootNode [2022-12-15 03:46:45,403 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:46:45,403 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:46:45,403 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:46:45,403 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:46:45,404 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:46:39" (3/4) ... [2022-12-15 03:46:45,406 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 03:46:45,412 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-15 03:46:45,412 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 03:46:45,412 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-15 03:46:45,432 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c23afad-6894-4f3f-a75a-7a85e4d277eb/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:46:45,432 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:46:45,433 INFO L158 Benchmark]: Toolchain (without parser) took 6283.48ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 98.9MB in the beginning and 80.3MB in the end (delta: 18.6MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2022-12-15 03:46:45,433 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 127.9MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:46:45,433 INFO L158 Benchmark]: CACSL2BoogieTranslator took 150.92ms. Allocated memory is still 127.9MB. Free memory was 98.4MB in the beginning and 89.3MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 03:46:45,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.71ms. Allocated memory is still 127.9MB. Free memory was 89.3MB in the beginning and 88.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:46:45,434 INFO L158 Benchmark]: Boogie Preprocessor took 15.45ms. Allocated memory is still 127.9MB. Free memory was 88.0MB in the beginning and 87.2MB in the end (delta: 785.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:46:45,434 INFO L158 Benchmark]: RCFGBuilder took 189.87ms. Allocated memory is still 127.9MB. Free memory was 87.2MB in the beginning and 77.9MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-15 03:46:45,434 INFO L158 Benchmark]: CodeCheck took 5872.85ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 77.9MB in the beginning and 82.4MB in the end (delta: -4.5MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2022-12-15 03:46:45,435 INFO L158 Benchmark]: Witness Printer took 29.27ms. Allocated memory is still 155.2MB. Free memory was 82.4MB in the beginning and 80.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:46:45,436 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 20 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1263 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1204 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 975 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4657 IncrementalHoareTripleChecker+Invalid, 5632 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 975 mSolverCounterUnsat, 0 mSDtfsCounter, 4657 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2147 GetRequests, 1825 SyntacticMatches, 118 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24485 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 283 NumberOfCodeBlocks, 283 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 1105 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 12 PerfectInterpolantSequences, 40/119 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 - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: (((3 <= a + b && b <= a + 1) && a + b <= 3) && a + 1 <= b) || (((3 <= a + b && !(a + 1 <= b)) && a <= b + 1) && a + b <= 3) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 127.9MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 150.92ms. Allocated memory is still 127.9MB. Free memory was 98.4MB in the beginning and 89.3MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.71ms. Allocated memory is still 127.9MB. Free memory was 89.3MB in the beginning and 88.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.45ms. Allocated memory is still 127.9MB. Free memory was 88.0MB in the beginning and 87.2MB in the end (delta: 785.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 189.87ms. Allocated memory is still 127.9MB. Free memory was 87.2MB in the beginning and 77.9MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 5872.85ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 77.9MB in the beginning and 82.4MB in the end (delta: -4.5MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Witness Printer took 29.27ms. Allocated memory is still 155.2MB. Free memory was 82.4MB in the beginning and 80.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 03:46:45,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c23afad-6894-4f3f-a75a-7a85e4d277eb/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE