./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/Sequence.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_33785cd2-84c6-4626-97ea-d4ce7b824014/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33785cd2-84c6-4626-97ea-d4ce7b824014/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_33785cd2-84c6-4626-97ea-d4ce7b824014/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33785cd2-84c6-4626-97ea-d4ce7b824014/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/Sequence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33785cd2-84c6-4626-97ea-d4ce7b824014/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_33785cd2-84c6-4626-97ea-d4ce7b824014/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 95ccbbbc448c04acb65590867534531dd0d1de0ae6cfb9bc69f5ca4c10abccd4 --- 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 02:12:50,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:12:50,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:12:50,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:12:50,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:12:50,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:12:50,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:12:50,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:12:50,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:12:50,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:12:50,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:12:50,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:12:50,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:12:50,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:12:50,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:12:50,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:12:50,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:12:50,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:12:50,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:12:50,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:12:50,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:12:50,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:12:50,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:12:50,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:12:50,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:12:50,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:12:50,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:12:50,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:12:50,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:12:50,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:12:50,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:12:50,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:12:50,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:12:50,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:12:50,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:12:50,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:12:50,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:12:50,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:12:50,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:12:50,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:12:50,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:12:50,218 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33785cd2-84c6-4626-97ea-d4ce7b824014/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 02:12:50,231 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:12:50,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:12:50,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:12:50,232 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:12:50,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:12:50,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:12:50,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:12:50,236 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:12:50,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:12:50,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:12:50,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:12:50,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:12:50,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:12:50,237 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:12:50,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:12:50,237 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:12:50,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:12:50,237 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:12:50,238 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:12:50,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:12:50,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:12:50,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:12:50,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:12:50,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:12:50,238 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:12:50,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:12:50,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:12:50,239 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_33785cd2-84c6-4626-97ea-d4ce7b824014/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33785cd2-84c6-4626-97ea-d4ce7b824014/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95ccbbbc448c04acb65590867534531dd0d1de0ae6cfb9bc69f5ca4c10abccd4 [2022-12-15 02:12:50,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:12:50,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:12:50,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:12:50,457 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:12:50,457 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:12:50,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33785cd2-84c6-4626-97ea-d4ce7b824014/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-restricted-15/Sequence.c [2022-12-15 02:12:53,108 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:12:53,214 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:12:53,214 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33785cd2-84c6-4626-97ea-d4ce7b824014/sv-benchmarks/c/termination-restricted-15/Sequence.c [2022-12-15 02:12:53,218 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33785cd2-84c6-4626-97ea-d4ce7b824014/bin/ukojak-rkRKPMF4O4/data/062d57098/622e82d43a47428fa86e38a5f7d97466/FLAG4e530065e [2022-12-15 02:12:53,229 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33785cd2-84c6-4626-97ea-d4ce7b824014/bin/ukojak-rkRKPMF4O4/data/062d57098/622e82d43a47428fa86e38a5f7d97466 [2022-12-15 02:12:53,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:12:53,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:12:53,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:12:53,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:12:53,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:12:53,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:12:53" (1/1) ... [2022-12-15 02:12:53,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30a74bc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:12:53, skipping insertion in model container [2022-12-15 02:12:53,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:12:53" (1/1) ... [2022-12-15 02:12:53,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:12:53,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:12:53,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:12:53,349 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:12:53,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:12:53,367 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:12:53,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:12:53 WrapperNode [2022-12-15 02:12:53,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:12:53,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:12:53,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:12:53,369 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:12:53,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:12:53" (1/1) ... [2022-12-15 02:12:53,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:12:53" (1/1) ... [2022-12-15 02:12:53,387 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-12-15 02:12:53,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:12:53,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:12:53,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:12:53,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:12:53,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:12:53" (1/1) ... [2022-12-15 02:12:53,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:12:53" (1/1) ... [2022-12-15 02:12:53,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:12:53" (1/1) ... [2022-12-15 02:12:53,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:12:53" (1/1) ... [2022-12-15 02:12:53,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:12:53" (1/1) ... [2022-12-15 02:12:53,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:12:53" (1/1) ... [2022-12-15 02:12:53,399 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:12:53" (1/1) ... [2022-12-15 02:12:53,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:12:53" (1/1) ... [2022-12-15 02:12:53,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:12:53,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:12:53,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:12:53,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:12:53,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:12:53" (1/1) ... [2022-12-15 02:12:53,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:12:53,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33785cd2-84c6-4626-97ea-d4ce7b824014/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:12:53,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33785cd2-84c6-4626-97ea-d4ce7b824014/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:12:53,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33785cd2-84c6-4626-97ea-d4ce7b824014/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:12:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:12:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:12:53,511 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:12:53,513 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:12:53,566 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:12:53,582 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:12:53,582 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 02:12:53,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:12:53 BoogieIcfgContainer [2022-12-15 02:12:53,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:12:53,585 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:12:53,585 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:12:53,593 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:12:53,593 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:12:53" (1/1) ... [2022-12-15 02:12:53,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:12:53,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:12:53,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-12-15 02:12:53,647 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-12-15 02:12:53,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 02:12:53,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:12:53,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:12:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:12:53,737 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 02:12:53,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:12:53,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-12-15 02:12:53,768 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-12-15 02:12:53,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 02:12:53,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:12:53,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:12:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:12:53,789 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 02:12:53,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:12:53,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-12-15 02:12:53,835 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-12-15 02:12:53,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 02:12:53,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:12:53,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:12:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:12:53,862 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 02:12:53,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:12:53,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2022-12-15 02:12:53,893 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-12-15 02:12:53,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 02:12:53,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:12:53,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:12:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:12:53,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:12:53,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:12:53,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-12-15 02:12:53,969 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-15 02:12:53,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 02:12:53,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:12:53,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:12:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:12:54,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:12:54,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:12:54,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2022-12-15 02:12:54,049 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-12-15 02:12:54,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 02:12:54,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:12:54,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:12:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:12:54,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:12:54,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:12:54,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-12-15 02:12:54,136 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-15 02:12:54,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 02:12:54,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:12:54,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:12:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:12:54,173 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 02:12:54,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:12:54,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2022-12-15 02:12:54,406 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-12-15 02:12:54,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 02:12:54,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:12:54,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:12:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:12:54,438 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 02:12:54,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:12:54,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2022-12-15 02:12:54,729 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-12-15 02:12:54,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 02:12:54,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:12:54,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:12:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:12:54,762 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 02:12:54,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:12:54,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2022-12-15 02:12:54,782 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-12-15 02:12:54,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 02:12:54,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:12:54,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:12:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:12:54,811 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:12:54,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:12:54,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2022-12-15 02:12:54,857 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-12-15 02:12:54,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 02:12:54,857 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2022-12-15 02:12:54,863 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-15 02:12:54,931 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2022-12-15 02:12:54,939 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-15 02:12:54,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 02:12:54 ImpRootNode [2022-12-15 02:12:54,940 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 02:12:54,940 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 02:12:54,940 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 02:12:54,940 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 02:12:54,941 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:12:53" (3/4) ... [2022-12-15 02:12:54,943 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 02:12:54,949 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-15 02:12:54,949 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-15 02:12:54,949 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-15 02:12:54,970 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33785cd2-84c6-4626-97ea-d4ce7b824014/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 02:12:54,970 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 02:12:54,971 INFO L158 Benchmark]: Toolchain (without parser) took 1739.06ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 79.7MB in the beginning and 94.3MB in the end (delta: -14.6MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2022-12-15 02:12:54,971 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory was 86.8MB in the beginning and 86.6MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:12:54,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 135.26ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 70.5MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 02:12:54,972 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.55ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 69.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:12:54,972 INFO L158 Benchmark]: Boogie Preprocessor took 11.89ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 68.4MB in the end (delta: 943.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:12:54,972 INFO L158 Benchmark]: RCFGBuilder took 184.22ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 59.1MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-15 02:12:54,973 INFO L158 Benchmark]: CodeCheck took 1354.25ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 59.1MB in the beginning and 96.4MB in the end (delta: -37.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:12:54,973 INFO L158 Benchmark]: Witness Printer took 30.26ms. Allocated memory is still 151.0MB. Free memory was 96.4MB in the beginning and 94.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:12:54,975 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 274 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 202 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 182 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 749 IncrementalHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 182 mSolverCounterUnsat, 36 mSDtfsCounter, 749 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 596 GetRequests, 533 SyntacticMatches, 5 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1395 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 171 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 30/31 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: 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: (j <= 5 && 5 <= j) && 0 <= i - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 5 <= j * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory was 86.8MB in the beginning and 86.6MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 135.26ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 70.5MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.55ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 69.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.89ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 68.4MB in the end (delta: 943.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 184.22ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 59.1MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1354.25ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 59.1MB in the beginning and 96.4MB in the end (delta: -37.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 30.26ms. Allocated memory is still 151.0MB. Free memory was 96.4MB in the beginning and 94.3MB 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 02:12:54,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33785cd2-84c6-4626-97ea-d4ce7b824014/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