./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/Sunset.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_cb91aba1-3fd6-40e4-92cd-7768c713e31c/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb91aba1-3fd6-40e4-92cd-7768c713e31c/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_cb91aba1-3fd6-40e4-92cd-7768c713e31c/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb91aba1-3fd6-40e4-92cd-7768c713e31c/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/Sunset.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb91aba1-3fd6-40e4-92cd-7768c713e31c/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_cb91aba1-3fd6-40e4-92cd-7768c713e31c/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 b6e6a27fda5fa9acea6a4d245576e05450de5374c21de963811f373e2c8febd9 --- 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 18:13:15,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:13:16,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:13:16,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:13:16,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:13:16,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:13:16,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:13:16,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:13:16,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:13:16,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:13:16,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:13:16,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:13:16,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:13:16,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:13:16,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:13:16,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:13:16,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:13:16,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:13:16,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:13:16,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:13:16,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:13:16,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:13:16,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:13:16,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:13:16,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:13:16,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:13:16,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:13:16,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:13:16,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:13:16,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:13:16,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:13:16,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:13:16,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:13:16,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:13:16,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:13:16,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:13:16,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:13:16,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:13:16,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:13:16,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:13:16,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:13:16,111 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb91aba1-3fd6-40e4-92cd-7768c713e31c/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:13:16,150 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:13:16,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:13:16,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:13:16,152 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:13:16,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:13:16,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:13:16,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:13:16,154 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:13:16,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:13:16,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:13:16,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:13:16,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:13:16,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:13:16,156 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:13:16,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:13:16,156 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:13:16,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:13:16,157 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:13:16,157 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:13:16,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:13:16,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:13:16,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:13:16,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:13:16,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:13:16,158 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:13:16,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:13:16,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:13:16,159 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_cb91aba1-3fd6-40e4-92cd-7768c713e31c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb91aba1-3fd6-40e4-92cd-7768c713e31c/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6e6a27fda5fa9acea6a4d245576e05450de5374c21de963811f373e2c8febd9 [2022-11-20 18:13:16,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:13:16,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:13:16,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:13:16,490 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:13:16,491 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:13:16,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb91aba1-3fd6-40e4-92cd-7768c713e31c/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-restricted-15/Sunset.c [2022-11-20 18:13:19,564 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:13:19,758 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:13:19,758 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb91aba1-3fd6-40e4-92cd-7768c713e31c/sv-benchmarks/c/termination-restricted-15/Sunset.c [2022-11-20 18:13:19,765 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb91aba1-3fd6-40e4-92cd-7768c713e31c/bin/ukojak-pZX7IvK2PQ/data/998cca988/79f6fbc32cd6456db026de3c1cffb50c/FLAGf828c6e58 [2022-11-20 18:13:19,781 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb91aba1-3fd6-40e4-92cd-7768c713e31c/bin/ukojak-pZX7IvK2PQ/data/998cca988/79f6fbc32cd6456db026de3c1cffb50c [2022-11-20 18:13:19,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:13:19,785 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:13:19,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:13:19,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:13:19,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:13:19,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:13:19" (1/1) ... [2022-11-20 18:13:19,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@169f8c52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:13:19, skipping insertion in model container [2022-11-20 18:13:19,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:13:19" (1/1) ... [2022-11-20 18:13:19,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:13:19,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:13:20,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:13:20,080 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:13:20,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:13:20,110 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:13:20,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:13:20 WrapperNode [2022-11-20 18:13:20,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:13:20,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:13:20,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:13:20,113 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:13:20,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:13:20" (1/1) ... [2022-11-20 18:13:20,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:13:20" (1/1) ... [2022-11-20 18:13:20,143 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-11-20 18:13:20,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:13:20,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:13:20,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:13:20,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:13:20,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:13:20" (1/1) ... [2022-11-20 18:13:20,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:13:20" (1/1) ... [2022-11-20 18:13:20,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:13:20" (1/1) ... [2022-11-20 18:13:20,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:13:20" (1/1) ... [2022-11-20 18:13:20,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:13:20" (1/1) ... [2022-11-20 18:13:20,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:13:20" (1/1) ... [2022-11-20 18:13:20,167 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:13:20" (1/1) ... [2022-11-20 18:13:20,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:13:20" (1/1) ... [2022-11-20 18:13:20,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:13:20,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:13:20,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:13:20,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:13:20,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:13:20" (1/1) ... [2022-11-20 18:13:20,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:13:20,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb91aba1-3fd6-40e4-92cd-7768c713e31c/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:13:20,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb91aba1-3fd6-40e4-92cd-7768c713e31c/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:13:20,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb91aba1-3fd6-40e4-92cd-7768c713e31c/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:13:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:13:20,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:13:20,337 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:13:20,339 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:13:20,412 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:13:20,434 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:13:20,434 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 18:13:20,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:13:20 BoogieIcfgContainer [2022-11-20 18:13:20,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:13:20,438 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:13:20,438 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:13:20,448 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:13:20,448 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:13:20" (1/1) ... [2022-11-20 18:13:20,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:13:20,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:13:20,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-11-20 18:13:20,513 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-11-20 18:13:20,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:13:20,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:13:20,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:13:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:13:20,660 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 18:13:20,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:13:20,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-20 18:13:20,692 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-20 18:13:20,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 18:13:20,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:13:20,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:13:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:13:20,785 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 18:13:20,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:13:20,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2022-11-20 18:13:20,888 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2022-11-20 18:13:20,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:13:20,888 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2022-11-20 18:13:20,897 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-11-20 18:13:20,914 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:13:20,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:13:20 ImpRootNode [2022-11-20 18:13:20,919 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:13:20,919 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:13:20,920 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:13:20,920 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:13:20,920 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:13:20" (3/4) ... [2022-11-20 18:13:20,924 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:13:20,932 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 18:13:20,933 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 18:13:20,933 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 18:13:20,965 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb91aba1-3fd6-40e4-92cd-7768c713e31c/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:13:20,966 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:13:20,967 INFO L158 Benchmark]: Toolchain (without parser) took 1180.96ms. Allocated memory is still 130.0MB. Free memory was 87.3MB in the beginning and 64.3MB in the end (delta: 23.0MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2022-11-20 18:13:20,967 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:13:20,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.22ms. Allocated memory is still 130.0MB. Free memory was 86.7MB in the beginning and 97.2MB in the end (delta: -10.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:13:20,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.01ms. Allocated memory is still 130.0MB. Free memory was 97.2MB in the beginning and 95.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:13:20,969 INFO L158 Benchmark]: Boogie Preprocessor took 23.77ms. Allocated memory is still 130.0MB. Free memory was 95.7MB in the beginning and 94.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:13:20,970 INFO L158 Benchmark]: RCFGBuilder took 266.81ms. Allocated memory is still 130.0MB. Free memory was 94.5MB in the beginning and 84.6MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:13:20,971 INFO L158 Benchmark]: CodeCheck took 480.91ms. Allocated memory is still 130.0MB. Free memory was 84.6MB in the beginning and 67.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 18:13:20,971 INFO L158 Benchmark]: Witness Printer took 46.37ms. Allocated memory is still 130.0MB. Free memory was 67.0MB in the beginning and 64.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:13:20,975 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, 8 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 6 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.22ms. Allocated memory is still 130.0MB. Free memory was 86.7MB in the beginning and 97.2MB in the end (delta: -10.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.01ms. Allocated memory is still 130.0MB. Free memory was 97.2MB in the beginning and 95.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.77ms. Allocated memory is still 130.0MB. Free memory was 95.7MB in the beginning and 94.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 266.81ms. Allocated memory is still 130.0MB. Free memory was 94.5MB in the beginning and 84.6MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 480.91ms. Allocated memory is still 130.0MB. Free memory was 84.6MB in the beginning and 67.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 46.37ms. Allocated memory is still 130.0MB. Free memory was 67.0MB in the beginning and 64.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 18:13:20,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb91aba1-3fd6-40e4-92cd-7768c713e31c/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