./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.18.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_9cc3b460-9fcc-4466-b0d1-4029bef6c843/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc3b460-9fcc-4466-b0d1-4029bef6c843/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_9cc3b460-9fcc-4466-b0d1-4029bef6c843/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc3b460-9fcc-4466-b0d1-4029bef6c843/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc3b460-9fcc-4466-b0d1-4029bef6c843/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_9cc3b460-9fcc-4466-b0d1-4029bef6c843/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 b7b84dd29ea36609e5f5c61ea995baac9099f3fa2331fbdc558930ff5215a280 --- 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 [2022-12-14 22:16:28,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:16:28,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:16:28,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:16:28,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:16:28,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:16:28,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:16:28,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:16:28,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:16:28,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:16:28,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:16:28,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:16:28,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:16:28,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:16:28,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:16:28,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:16:28,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:16:28,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:16:28,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:16:28,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:16:28,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:16:28,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:16:28,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:16:28,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:16:28,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:16:28,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:16:28,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:16:28,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:16:28,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:16:28,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:16:28,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:16:28,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:16:28,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:16:28,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:16:28,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:16:28,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:16:28,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:16:28,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:16:28,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:16:28,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:16:28,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:16:28,252 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc3b460-9fcc-4466-b0d1-4029bef6c843/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 22:16:28,266 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:16:28,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:16:28,266 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:16:28,267 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:16:28,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:16:28,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:16:28,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:16:28,268 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 22:16:28,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:16:28,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:16:28,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:16:28,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:16:28,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:16:28,269 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 22:16:28,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:16:28,269 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:16:28,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:16:28,269 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:16:28,269 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:16:28,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:16:28,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:16:28,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:16:28,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:16:28,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:16:28,270 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:16:28,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:16:28,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:16:28,271 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_9cc3b460-9fcc-4466-b0d1-4029bef6c843/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc3b460-9fcc-4466-b0d1-4029bef6c843/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7b84dd29ea36609e5f5c61ea995baac9099f3fa2331fbdc558930ff5215a280 [2022-12-14 22:16:28,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:16:28,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:16:28,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:16:28,456 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:16:28,456 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:16:28,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc3b460-9fcc-4466-b0d1-4029bef6c843/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-restricted-15/b.18.c [2022-12-14 22:16:31,048 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:16:31,159 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:16:31,160 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc3b460-9fcc-4466-b0d1-4029bef6c843/sv-benchmarks/c/termination-restricted-15/b.18.c [2022-12-14 22:16:31,164 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc3b460-9fcc-4466-b0d1-4029bef6c843/bin/ukojak-rkRKPMF4O4/data/bf88c3759/88c92f32c26043aaa911109172d0e725/FLAG79f2e58ba [2022-12-14 22:16:31,174 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc3b460-9fcc-4466-b0d1-4029bef6c843/bin/ukojak-rkRKPMF4O4/data/bf88c3759/88c92f32c26043aaa911109172d0e725 [2022-12-14 22:16:31,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:16:31,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:16:31,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:16:31,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:16:31,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:16:31,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:16:31" (1/1) ... [2022-12-14 22:16:31,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f0941fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:16:31, skipping insertion in model container [2022-12-14 22:16:31,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:16:31" (1/1) ... [2022-12-14 22:16:31,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:16:31,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:16:31,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:16:31,300 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:16:31,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:16:31,319 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:16:31,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:16:31 WrapperNode [2022-12-14 22:16:31,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:16:31,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:16:31,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:16:31,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:16:31,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:16:31" (1/1) ... [2022-12-14 22:16:31,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:16:31" (1/1) ... [2022-12-14 22:16:31,341 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2022-12-14 22:16:31,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:16:31,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:16:31,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:16:31,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:16:31,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:16:31" (1/1) ... [2022-12-14 22:16:31,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:16:31" (1/1) ... [2022-12-14 22:16:31,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:16:31" (1/1) ... [2022-12-14 22:16:31,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:16:31" (1/1) ... [2022-12-14 22:16:31,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:16:31" (1/1) ... [2022-12-14 22:16:31,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:16:31" (1/1) ... [2022-12-14 22:16:31,355 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:16:31" (1/1) ... [2022-12-14 22:16:31,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:16:31" (1/1) ... [2022-12-14 22:16:31,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:16:31,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:16:31,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:16:31,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:16:31,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:16:31" (1/1) ... [2022-12-14 22:16:31,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:16:31,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc3b460-9fcc-4466-b0d1-4029bef6c843/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:16:31,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc3b460-9fcc-4466-b0d1-4029bef6c843/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:16:31,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc3b460-9fcc-4466-b0d1-4029bef6c843/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:16:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:16:31,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:16:31,478 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:16:31,480 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:16:31,534 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:16:31,550 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:16:31,550 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 22:16:31,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:16:31 BoogieIcfgContainer [2022-12-14 22:16:31,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:16:31,553 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:16:31,553 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:16:31,560 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:16:31,561 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:16:31" (1/1) ... [2022-12-14 22:16:31,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:16:31,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:16:31,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-12-14 22:16:31,608 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-12-14 22:16:31,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 22:16:31,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:16:31,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:16:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:16:31,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:16:31,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:16:31,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-12-14 22:16:31,752 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-12-14 22:16:31,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 22:16:31,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:16:31,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:16:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:16:31,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:16:31,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:16:31,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-12-14 22:16:31,852 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-12-14 22:16:31,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 22:16:31,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:16:31,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:16:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:16:31,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:16:32,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:16:32,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2022-12-14 22:16:32,014 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2022-12-14 22:16:32,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 22:16:32,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:16:32,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:16:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:16:32,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:16:32,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:16:32,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2022-12-14 22:16:32,217 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2022-12-14 22:16:32,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 22:16:32,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:16:32,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:16:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:16:32,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:16:32,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:16:32,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-12-14 22:16:32,275 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-12-14 22:16:32,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 22:16:32,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:16:32,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:16:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:16:32,303 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:16:32,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:16:32,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2022-12-14 22:16:32,329 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2022-12-14 22:16:32,330 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 22:16:32,330 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-12-14 22:16:32,338 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 22:16:32,377 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-12-14 22:16:32,385 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-14 22:16:32,385 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-14 22:16:32,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:16:32 ImpRootNode [2022-12-14 22:16:32,386 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:16:32,387 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:16:32,387 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:16:32,387 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:16:32,387 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:16:31" (3/4) ... [2022-12-14 22:16:32,390 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 22:16:32,398 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-14 22:16:32,398 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 22:16:32,399 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 22:16:32,421 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc3b460-9fcc-4466-b0d1-4029bef6c843/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:16:32,421 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:16:32,422 INFO L158 Benchmark]: Toolchain (without parser) took 1245.26ms. Allocated memory is still 144.7MB. Free memory was 110.5MB in the beginning and 86.8MB in the end (delta: 23.7MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2022-12-14 22:16:32,422 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 119.5MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:16:32,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 142.03ms. Allocated memory is still 144.7MB. Free memory was 110.3MB in the beginning and 101.0MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:16:32,423 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.81ms. Allocated memory is still 144.7MB. Free memory was 101.0MB in the beginning and 99.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:16:32,423 INFO L158 Benchmark]: Boogie Preprocessor took 14.93ms. Allocated memory is still 144.7MB. Free memory was 99.9MB in the beginning and 98.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:16:32,424 INFO L158 Benchmark]: RCFGBuilder took 194.34ms. Allocated memory is still 144.7MB. Free memory was 98.9MB in the beginning and 88.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:16:32,424 INFO L158 Benchmark]: CodeCheck took 833.20ms. Allocated memory is still 144.7MB. Free memory was 88.4MB in the beginning and 89.3MB in the end (delta: -943.4kB). Peak memory consumption was 448.2kB. Max. memory is 16.1GB. [2022-12-14 22:16:32,424 INFO L158 Benchmark]: Witness Printer took 34.98ms. Allocated memory is still 144.7MB. Free memory was 89.3MB in the beginning and 86.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:16:32,426 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, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 140 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 104 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 422 IncrementalHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 6 mSDtfsCounter, 422 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 374 GetRequests, 340 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 6/6 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: 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: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: 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: 9]: Loop Invariant Derived loop invariant: (!(1 <= y) || !(1 <= x)) || (x <= 2147483647 && y <= 2147483647) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: x <= 2147483647 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 119.5MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 142.03ms. Allocated memory is still 144.7MB. Free memory was 110.3MB in the beginning and 101.0MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.81ms. Allocated memory is still 144.7MB. Free memory was 101.0MB in the beginning and 99.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.93ms. Allocated memory is still 144.7MB. Free memory was 99.9MB in the beginning and 98.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 194.34ms. Allocated memory is still 144.7MB. Free memory was 98.9MB in the beginning and 88.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 833.20ms. Allocated memory is still 144.7MB. Free memory was 88.4MB in the beginning and 89.3MB in the end (delta: -943.4kB). Peak memory consumption was 448.2kB. Max. memory is 16.1GB. * Witness Printer took 34.98ms. Allocated memory is still 144.7MB. Free memory was 89.3MB in the beginning and 86.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 22:16:32,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc3b460-9fcc-4466-b0d1-4029bef6c843/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