./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-dietlibc/strtoull.i --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_de169efb-225f-43f4-8ab1-9eaa5da97f3c/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de169efb-225f-43f4-8ab1-9eaa5da97f3c/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_de169efb-225f-43f4-8ab1-9eaa5da97f3c/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de169efb-225f-43f4-8ab1-9eaa5da97f3c/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-dietlibc/strtoull.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de169efb-225f-43f4-8ab1-9eaa5da97f3c/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_de169efb-225f-43f4-8ab1-9eaa5da97f3c/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 a24f374d1420975a1e7754ddde980f0b5d764d7e3a740acbfbc8098c38afffcd --- 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 18:23:15,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:23:15,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:23:16,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:23:16,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:23:16,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:23:16,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:23:16,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:23:16,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:23:16,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:23:16,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:23:16,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:23:16,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:23:16,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:23:16,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:23:16,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:23:16,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:23:16,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:23:16,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:23:16,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:23:16,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:23:16,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:23:16,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:23:16,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:23:16,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:23:16,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:23:16,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:23:16,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:23:16,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:23:16,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:23:16,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:23:16,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:23:16,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:23:16,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:23:16,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:23:16,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:23:16,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:23:16,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:23:16,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:23:16,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:23:16,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:23:16,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de169efb-225f-43f4-8ab1-9eaa5da97f3c/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 18:23:16,063 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:23:16,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:23:16,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:23:16,064 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:23:16,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:23:16,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:23:16,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:23:16,066 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:23:16,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:23:16,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:23:16,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:23:16,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:23:16,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:23:16,067 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 18:23:16,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:23:16,067 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:23:16,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:23:16,068 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:23:16,068 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:23:16,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:23:16,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:23:16,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:23:16,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:23:16,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:23:16,069 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:23:16,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:23:16,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:23:16,070 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_de169efb-225f-43f4-8ab1-9eaa5da97f3c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de169efb-225f-43f4-8ab1-9eaa5da97f3c/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a24f374d1420975a1e7754ddde980f0b5d764d7e3a740acbfbc8098c38afffcd [2022-12-14 18:23:16,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:23:16,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:23:16,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:23:16,258 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:23:16,258 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:23:16,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de169efb-225f-43f4-8ab1-9eaa5da97f3c/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-dietlibc/strtoull.i [2022-12-14 18:23:18,855 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:23:18,999 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:23:18,999 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de169efb-225f-43f4-8ab1-9eaa5da97f3c/sv-benchmarks/c/termination-dietlibc/strtoull.i [2022-12-14 18:23:19,006 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de169efb-225f-43f4-8ab1-9eaa5da97f3c/bin/ukojak-rkRKPMF4O4/data/a01fb1ecf/1289eae61c7a410bb711ab3654c7def0/FLAGfd60bc5a7 [2022-12-14 18:23:19,016 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de169efb-225f-43f4-8ab1-9eaa5da97f3c/bin/ukojak-rkRKPMF4O4/data/a01fb1ecf/1289eae61c7a410bb711ab3654c7def0 [2022-12-14 18:23:19,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:23:19,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:23:19,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:23:19,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:23:19,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:23:19,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:23:19" (1/1) ... [2022-12-14 18:23:19,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c4e48b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:19, skipping insertion in model container [2022-12-14 18:23:19,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:23:19" (1/1) ... [2022-12-14 18:23:19,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:23:19,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:23:19,297 WARN L623 FunctionHandler]: Unknown extern function strtoull [2022-12-14 18:23:19,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:23:19,308 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:23:19,348 WARN L623 FunctionHandler]: Unknown extern function strtoull [2022-12-14 18:23:19,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:23:19,372 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:23:19,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:19 WrapperNode [2022-12-14 18:23:19,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:23:19,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:23:19,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:23:19,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:23:19,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:19" (1/1) ... [2022-12-14 18:23:19,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:19" (1/1) ... [2022-12-14 18:23:19,419 INFO L138 Inliner]: procedures = 116, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 179 [2022-12-14 18:23:19,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:23:19,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:23:19,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:23:19,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:23:19,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:19" (1/1) ... [2022-12-14 18:23:19,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:19" (1/1) ... [2022-12-14 18:23:19,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:19" (1/1) ... [2022-12-14 18:23:19,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:19" (1/1) ... [2022-12-14 18:23:19,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:19" (1/1) ... [2022-12-14 18:23:19,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:19" (1/1) ... [2022-12-14 18:23:19,448 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:19" (1/1) ... [2022-12-14 18:23:19,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:19" (1/1) ... [2022-12-14 18:23:19,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:23:19,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:23:19,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:23:19,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:23:19,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:19" (1/1) ... [2022-12-14 18:23:19,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:23:19,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de169efb-225f-43f4-8ab1-9eaa5da97f3c/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:23:19,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de169efb-225f-43f4-8ab1-9eaa5da97f3c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:23:19,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de169efb-225f-43f4-8ab1-9eaa5da97f3c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:23:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 18:23:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 18:23:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:23:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 18:23:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:23:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 18:23:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:23:19,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:23:19,601 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:23:19,603 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:23:19,915 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:23:19,964 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:23:19,965 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 18:23:19,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:23:19 BoogieIcfgContainer [2022-12-14 18:23:19,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:23:19,968 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:23:19,968 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:23:19,975 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:23:19,975 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:23:19" (1/1) ... [2022-12-14 18:23:19,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:23:20,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:23:20,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 78 states and 93 transitions. [2022-12-14 18:23:20,022 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 93 transitions. [2022-12-14 18:23:20,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 18:23:20,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:23:20,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:23:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:23:20,150 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 18:23:20,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:23:20,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 79 states and 94 transitions. [2022-12-14 18:23:20,175 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 94 transitions. [2022-12-14 18:23:20,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 18:23:20,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:23:20,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:23:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:23:20,213 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 18:23:20,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:23:20,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 81 states and 97 transitions. [2022-12-14 18:23:20,255 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2022-12-14 18:23:20,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:23:20,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:23:20,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:23:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:23:20,292 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 18:23:20,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:23:20,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2022-12-14 18:23:20,314 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2022-12-14 18:23:20,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:23:20,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:23:20,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:23:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:23:20,395 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 18:23:20,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:23:20,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 88 states and 108 transitions. [2022-12-14 18:23:20,520 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 108 transitions. [2022-12-14 18:23:20,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:23:20,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:23:20,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:23:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:23:20,550 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 18:23:20,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:23:20,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 91 states and 112 transitions. [2022-12-14 18:23:20,601 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 112 transitions. [2022-12-14 18:23:20,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:23:20,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:23:20,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:23:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:23:20,641 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 18:23:20,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:23:20,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 92 states and 115 transitions. [2022-12-14 18:23:20,658 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 115 transitions. [2022-12-14 18:23:20,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 18:23:20,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:23:20,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:23:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:23:20,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 18:23:20,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:23:20,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 92 states and 114 transitions. [2022-12-14 18:23:20,737 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 114 transitions. [2022-12-14 18:23:20,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:23:20,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:23:20,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:23:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:23:20,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:23:20,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:23:20,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 94 states and 115 transitions. [2022-12-14 18:23:20,820 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2022-12-14 18:23:20,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:23:20,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:23:20,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:23:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:23:20,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:23:21,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:23:21,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 98 states and 121 transitions. [2022-12-14 18:23:21,082 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 121 transitions. [2022-12-14 18:23:21,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:23:21,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:23:21,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:23:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:23:21,109 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 18:23:21,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:23:21,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 98 states and 120 transitions. [2022-12-14 18:23:21,116 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 120 transitions. [2022-12-14 18:23:21,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:23:21,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:23:21,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:23:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:23:21,142 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 18:23:21,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:23:21,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 99 states and 121 transitions. [2022-12-14 18:23:21,183 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 121 transitions. [2022-12-14 18:23:21,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:23:21,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:23:21,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:23:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:23:21,263 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:23:21,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:23:21,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 104 states and 130 transitions. [2022-12-14 18:23:21,455 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 130 transitions. [2022-12-14 18:23:21,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:23:21,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:23:21,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:23:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:23:21,474 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 18:23:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:23:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:23:21,531 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 18:23:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:23:21,558 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 13 iterations. [2022-12-14 18:23:21,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:23:21 ImpRootNode [2022-12-14 18:23:21,592 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:23:21,593 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:23:21,593 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:23:21,593 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:23:21,594 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:23:19" (3/4) ... [2022-12-14 18:23:21,596 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 18:23:21,648 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de169efb-225f-43f4-8ab1-9eaa5da97f3c/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:23:21,648 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:23:21,649 INFO L158 Benchmark]: Toolchain (without parser) took 2629.23ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 80.7MB in the beginning and 62.2MB in the end (delta: 18.5MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2022-12-14 18:23:21,649 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:23:21,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.37ms. Allocated memory is still 121.6MB. Free memory was 80.4MB in the beginning and 63.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 18:23:21,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.70ms. Allocated memory is still 121.6MB. Free memory was 63.2MB in the beginning and 60.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:23:21,651 INFO L158 Benchmark]: Boogie Preprocessor took 30.54ms. Allocated memory is still 121.6MB. Free memory was 60.7MB in the beginning and 59.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:23:21,652 INFO L158 Benchmark]: RCFGBuilder took 516.02ms. Allocated memory is still 121.6MB. Free memory was 59.0MB in the beginning and 80.1MB in the end (delta: -21.1MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2022-12-14 18:23:21,653 INFO L158 Benchmark]: CodeCheck took 1624.83ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 80.1MB in the beginning and 64.3MB in the end (delta: 15.7MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2022-12-14 18:23:21,653 INFO L158 Benchmark]: Witness Printer took 55.03ms. Allocated memory is still 146.8MB. Free memory was 64.3MB in the beginning and 62.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:23:21,657 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, 78 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 443 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 315 mSDsluCounter, 97 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 46 mSDsCounter, 188 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1012 IncrementalHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 188 mSolverCounterUnsat, 51 mSDtfsCounter, 1012 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 747 GetRequests, 691 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1195 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 85 ConstructedInterpolants, 0 QuantifiedInterpolants, 219 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 6/15 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 - CounterExampleResult [Line: 519]: integer overflow possible integer overflow possible We found a FailurePath: [L551] int in_len = __VERIFIER_nondet_int(); [L552] COND FALSE !(in_len < 1) [L553] char* in = __builtin_alloca (in_len); [L554] int i=0; VAL [__builtin_alloca (in_len)={3:0}, i=0, in={3:0}, in_len=1] [L554] EXPR in_len-1 VAL [__builtin_alloca (in_len)={3:0}, i=0, in={3:0}, in_len=1] [L554] COND FALSE !(i