./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54863b08-2316-47de-abaf-fe07845bcbea/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54863b08-2316-47de-abaf-fe07845bcbea/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54863b08-2316-47de-abaf-fe07845bcbea/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54863b08-2316-47de-abaf-fe07845bcbea/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54863b08-2316-47de-abaf-fe07845bcbea/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54863b08-2316-47de-abaf-fe07845bcbea/bin/ukojak-pZX7IvK2PQ --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 a723a67708085ac2edc65dca820ea0ff5f017c1387423fea83ca87f76f9f53c3 --- 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-6b4ec56 [2022-11-20 16:39:21,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:39:21,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:39:21,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:39:21,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:39:21,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:39:21,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:39:21,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:39:21,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:39:21,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:39:21,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:39:21,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:39:21,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:39:21,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:39:21,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:39:21,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:39:21,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:39:21,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:39:21,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:39:21,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:39:21,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:39:21,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:39:21,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:39:21,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:39:21,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:39:21,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:39:21,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:39:21,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:39:21,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:39:21,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:39:21,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:39:21,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:39:21,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:39:21,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:39:21,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:39:21,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:39:21,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:39:21,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:39:21,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:39:21,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:39:21,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:39:21,420 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54863b08-2316-47de-abaf-fe07845bcbea/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:39:21,443 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:39:21,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:39:21,444 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:39:21,444 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:39:21,445 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:39:21,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:39:21,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:39:21,446 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:39:21,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:39:21,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:39:21,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:39:21,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:39:21,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:39:21,447 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:39:21,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:39:21,448 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:39:21,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:39:21,448 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:39:21,448 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:39:21,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:39:21,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:39:21,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:39:21,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:39:21,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:39:21,450 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:39:21,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:39:21,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:39:21,450 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_54863b08-2316-47de-abaf-fe07845bcbea/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54863b08-2316-47de-abaf-fe07845bcbea/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a723a67708085ac2edc65dca820ea0ff5f017c1387423fea83ca87f76f9f53c3 [2022-11-20 16:39:21,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:39:21,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:39:21,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:39:21,778 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:39:21,779 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:39:21,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54863b08-2316-47de-abaf-fe07845bcbea/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c [2022-11-20 16:39:24,865 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:39:25,046 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:39:25,047 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54863b08-2316-47de-abaf-fe07845bcbea/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c [2022-11-20 16:39:25,052 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54863b08-2316-47de-abaf-fe07845bcbea/bin/ukojak-pZX7IvK2PQ/data/87b36cced/d8987f8b7fca40bda2dd72bd356f3ace/FLAGf2da523b9 [2022-11-20 16:39:25,073 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54863b08-2316-47de-abaf-fe07845bcbea/bin/ukojak-pZX7IvK2PQ/data/87b36cced/d8987f8b7fca40bda2dd72bd356f3ace [2022-11-20 16:39:25,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:39:25,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:39:25,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:39:25,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:39:25,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:39:25,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:39:25" (1/1) ... [2022-11-20 16:39:25,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ed1a04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25, skipping insertion in model container [2022-11-20 16:39:25,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:39:25" (1/1) ... [2022-11-20 16:39:25,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:39:25,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:39:25,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:39:25,241 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:39:25,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:39:25,274 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:39:25,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25 WrapperNode [2022-11-20 16:39:25,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:39:25,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:39:25,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:39:25,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:39:25,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25" (1/1) ... [2022-11-20 16:39:25,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25" (1/1) ... [2022-11-20 16:39:25,305 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2022-11-20 16:39:25,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:39:25,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:39:25,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:39:25,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:39:25,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25" (1/1) ... [2022-11-20 16:39:25,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25" (1/1) ... [2022-11-20 16:39:25,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25" (1/1) ... [2022-11-20 16:39:25,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25" (1/1) ... [2022-11-20 16:39:25,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25" (1/1) ... [2022-11-20 16:39:25,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25" (1/1) ... [2022-11-20 16:39:25,323 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25" (1/1) ... [2022-11-20 16:39:25,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25" (1/1) ... [2022-11-20 16:39:25,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:39:25,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:39:25,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:39:25,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:39:25,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25" (1/1) ... [2022-11-20 16:39:25,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:39:25,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54863b08-2316-47de-abaf-fe07845bcbea/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:39:25,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54863b08-2316-47de-abaf-fe07845bcbea/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:39:25,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54863b08-2316-47de-abaf-fe07845bcbea/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:39:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:39:25,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:39:25,476 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:39:25,478 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:39:25,581 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:39:25,599 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:39:25,600 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:39:25,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:39:25 BoogieIcfgContainer [2022-11-20 16:39:25,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:39:25,603 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:39:25,603 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:39:25,614 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:39:25,614 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:39:25" (1/1) ... [2022-11-20 16:39:25,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:39:25,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:25,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-11-20 16:39:25,704 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-11-20 16:39:25,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:39:25,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:25,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:25,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:39:26,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:26,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2022-11-20 16:39:26,071 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2022-11-20 16:39:26,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:39:26,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:26,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:26,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:39:26,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:26,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2022-11-20 16:39:26,340 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2022-11-20 16:39:26,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:39:26,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:26,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:26,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:39:26,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:26,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-11-20 16:39:26,504 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-11-20 16:39:26,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:39:26,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:26,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:26,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:39:26,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:26,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2022-11-20 16:39:26,746 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2022-11-20 16:39:26,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:39:26,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:26,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:26,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:39:26,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:26,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2022-11-20 16:39:26,983 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2022-11-20 16:39:26,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:39:26,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:26,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:27,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:39:27,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:27,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2022-11-20 16:39:27,182 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2022-11-20 16:39:27,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:39:27,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:27,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:27,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:39:27,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:27,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-11-20 16:39:27,466 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-11-20 16:39:27,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:39:27,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:27,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:27,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:39:27,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:27,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2022-11-20 16:39:27,832 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2022-11-20 16:39:27,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:39:27,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:27,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:27,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:39:28,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:28,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-11-20 16:39:28,029 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-11-20 16:39:28,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 16:39:28,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:28,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:28,052 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:39:28,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:28,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-11-20 16:39:28,323 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-11-20 16:39:28,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:39:28,324 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2022-11-20 16:39:28,332 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 16:39:28,395 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-11-20 16:39:28,405 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-20 16:39:28,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:39:28 ImpRootNode [2022-11-20 16:39:28,406 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:39:28,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:39:28,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:39:28,407 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:39:28,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:39:25" (3/4) ... [2022-11-20 16:39:28,410 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:39:28,419 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 16:39:28,419 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 16:39:28,419 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 16:39:28,453 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54863b08-2316-47de-abaf-fe07845bcbea/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:39:28,453 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:39:28,454 INFO L158 Benchmark]: Toolchain (without parser) took 3376.44ms. Allocated memory is still 218.1MB. Free memory was 175.0MB in the beginning and 183.5MB in the end (delta: -8.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:39:28,454 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 142.6MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:39:28,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.22ms. Allocated memory is still 218.1MB. Free memory was 174.3MB in the beginning and 165.8MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 16:39:28,455 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.11ms. Allocated memory is still 218.1MB. Free memory was 165.8MB in the beginning and 164.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:39:28,456 INFO L158 Benchmark]: Boogie Preprocessor took 18.09ms. Allocated memory is still 218.1MB. Free memory was 164.5MB in the beginning and 163.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:39:28,456 INFO L158 Benchmark]: RCFGBuilder took 277.13ms. Allocated memory is still 218.1MB. Free memory was 163.1MB in the beginning and 153.4MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 16:39:28,457 INFO L158 Benchmark]: CodeCheck took 2802.84ms. Allocated memory is still 218.1MB. Free memory was 153.4MB in the beginning and 186.4MB in the end (delta: -33.0MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2022-11-20 16:39:28,457 INFO L158 Benchmark]: Witness Printer took 46.88ms. Allocated memory is still 218.1MB. Free memory was 186.4MB in the beginning and 183.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:39:28,459 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: 2.7s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 214 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 190 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 190 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 826 IncrementalHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 190 mSolverCounterUnsat, 0 mSDtfsCounter, 826 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 624 GetRequests, 550 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2225 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 151 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 10/14 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: 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: 19]: Loop Invariant Derived loop invariant: ((1 <= i && i <= 2147483647) && j <= 2147483647) && N <= 2147483647 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: i <= 2147483647 && N <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 142.6MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 197.22ms. Allocated memory is still 218.1MB. Free memory was 174.3MB in the beginning and 165.8MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.11ms. Allocated memory is still 218.1MB. Free memory was 165.8MB in the beginning and 164.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.09ms. Allocated memory is still 218.1MB. Free memory was 164.5MB in the beginning and 163.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 277.13ms. Allocated memory is still 218.1MB. Free memory was 163.1MB in the beginning and 153.4MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2802.84ms. Allocated memory is still 218.1MB. Free memory was 153.4MB in the beginning and 186.4MB in the end (delta: -33.0MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. * Witness Printer took 46.88ms. Allocated memory is still 218.1MB. Free memory was 186.4MB in the beginning and 183.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 16:39:28,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54863b08-2316-47de-abaf-fe07845bcbea/bin/ukojak-pZX7IvK2PQ/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