./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Bangalore_v4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacdca68-e621-4872-aaca-ca879b0a75d5/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacdca68-e621-4872-aaca-ca879b0a75d5/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacdca68-e621-4872-aaca-ca879b0a75d5/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacdca68-e621-4872-aaca-ca879b0a75d5/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Bangalore_v4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacdca68-e621-4872-aaca-ca879b0a75d5/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacdca68-e621-4872-aaca-ca879b0a75d5/bin/ukojak-92XMlrwhuB --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 5cc55b361d4f01def0eda607149a19c4785fee68e7824d0210bdec8ce7b04371 --- 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-dbf71c6-m [2022-10-17 16:38:23,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:38:23,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:38:23,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:38:23,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:38:23,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:38:23,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:38:23,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:38:23,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:38:23,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:38:23,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:38:23,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:38:23,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:38:23,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:38:23,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:38:23,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:38:23,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:38:23,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:38:23,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:38:23,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:38:23,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:38:23,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:38:23,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:38:23,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:38:23,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:38:23,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:38:23,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:38:23,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:38:23,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:38:23,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:38:23,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:38:23,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:38:23,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:38:23,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:38:23,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:38:23,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:38:23,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:38:23,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:38:23,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:38:23,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:38:23,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:38:23,226 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacdca68-e621-4872-aaca-ca879b0a75d5/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-10-17 16:38:23,261 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:38:23,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:38:23,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:38:23,262 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:38:23,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:38:23,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:38:23,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:38:23,264 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:38:23,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:38:23,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:38:23,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:38:23,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:38:23,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:38:23,265 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:38:23,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:38:23,265 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:38:23,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:38:23,266 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:38:23,266 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:38:23,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:38:23,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:23,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:38:23,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:38:23,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:38:23,267 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:38:23,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:38:23,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:38:23,268 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_cacdca68-e621-4872-aaca-ca879b0a75d5/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacdca68-e621-4872-aaca-ca879b0a75d5/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cc55b361d4f01def0eda607149a19c4785fee68e7824d0210bdec8ce7b04371 [2022-10-17 16:38:23,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:38:23,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:38:23,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:38:23,614 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:38:23,615 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:38:23,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacdca68-e621-4872-aaca-ca879b0a75d5/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/termination-crafted/Bangalore_v4.c [2022-10-17 16:38:23,686 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacdca68-e621-4872-aaca-ca879b0a75d5/bin/ukojak-92XMlrwhuB/data/446054893/375a921fbfad406da8a1795d8ae7853b/FLAGca80bdf72 [2022-10-17 16:38:24,119 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:38:24,119 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacdca68-e621-4872-aaca-ca879b0a75d5/sv-benchmarks/c/termination-crafted/Bangalore_v4.c [2022-10-17 16:38:24,125 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacdca68-e621-4872-aaca-ca879b0a75d5/bin/ukojak-92XMlrwhuB/data/446054893/375a921fbfad406da8a1795d8ae7853b/FLAGca80bdf72 [2022-10-17 16:38:24,519 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacdca68-e621-4872-aaca-ca879b0a75d5/bin/ukojak-92XMlrwhuB/data/446054893/375a921fbfad406da8a1795d8ae7853b [2022-10-17 16:38:24,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:38:24,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:38:24,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:24,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:38:24,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:38:24,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:24" (1/1) ... [2022-10-17 16:38:24,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@652bf7f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:24, skipping insertion in model container [2022-10-17 16:38:24,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:24" (1/1) ... [2022-10-17 16:38:24,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:38:24,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:38:24,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:24,756 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:38:24,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:24,782 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:38:24,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:24 WrapperNode [2022-10-17 16:38:24,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:24,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:24,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:38:24,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:38:24,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:24" (1/1) ... [2022-10-17 16:38:24,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:24" (1/1) ... [2022-10-17 16:38:24,815 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2022-10-17 16:38:24,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:24,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:38:24,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:38:24,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:38:24,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:24" (1/1) ... [2022-10-17 16:38:24,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:24" (1/1) ... [2022-10-17 16:38:24,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:24" (1/1) ... [2022-10-17 16:38:24,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:24" (1/1) ... [2022-10-17 16:38:24,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:24" (1/1) ... [2022-10-17 16:38:24,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:24" (1/1) ... [2022-10-17 16:38:24,834 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:24" (1/1) ... [2022-10-17 16:38:24,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:24" (1/1) ... [2022-10-17 16:38:24,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:38:24,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:38:24,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:38:24,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:38:24,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:24" (1/1) ... [2022-10-17 16:38:24,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:24,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacdca68-e621-4872-aaca-ca879b0a75d5/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:38:24,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacdca68-e621-4872-aaca-ca879b0a75d5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:38:24,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacdca68-e621-4872-aaca-ca879b0a75d5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:38:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:38:24,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:38:25,012 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:38:25,015 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:38:25,152 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:38:25,190 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:38:25,191 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:38:25,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:25 BoogieIcfgContainer [2022-10-17 16:38:25,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:38:25,198 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:38:25,198 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:38:25,210 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:38:25,211 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:25" (1/1) ... [2022-10-17 16:38:25,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:38:25,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:25,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2022-10-17 16:38:25,320 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2022-10-17 16:38:25,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:38:25,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:25,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:25,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:25,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:25,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2022-10-17 16:38:25,619 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-10-17 16:38:25,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:38:25,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:25,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:25,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:25,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:25,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2022-10-17 16:38:25,966 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2022-10-17 16:38:25,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:38:25,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:25,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:26,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:26,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:26,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 15 states and 25 transitions. [2022-10-17 16:38:26,438 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 25 transitions. [2022-10-17 16:38:26,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:38:26,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:26,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:26,512 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:38:26,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:26,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-10-17 16:38:26,751 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-10-17 16:38:26,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:38:26,751 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-10-17 16:38:26,761 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-10-17 16:38:26,782 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2022-10-17 16:38:26,792 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:38:26,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:38:26 ImpRootNode [2022-10-17 16:38:26,793 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:38:26,793 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:38:26,793 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:38:26,794 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:38:26,794 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:25" (3/4) ... [2022-10-17 16:38:26,797 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:38:26,806 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-10-17 16:38:26,806 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:38:26,806 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 16:38:26,841 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacdca68-e621-4872-aaca-ca879b0a75d5/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:38:26,841 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:38:26,842 INFO L158 Benchmark]: Toolchain (without parser) took 2318.34ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 59.5MB in the beginning and 73.8MB in the end (delta: -14.3MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-10-17 16:38:26,843 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:38:26,843 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.42ms. Allocated memory is still 102.8MB. Free memory was 59.3MB in the beginning and 78.8MB in the end (delta: -19.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:38:26,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.08ms. Allocated memory is still 102.8MB. Free memory was 78.5MB in the beginning and 77.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:38:26,844 INFO L158 Benchmark]: Boogie Preprocessor took 20.46ms. Allocated memory is still 102.8MB. Free memory was 77.3MB in the beginning and 76.4MB in the end (delta: 840.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:38:26,845 INFO L158 Benchmark]: RCFGBuilder took 358.81ms. Allocated memory is still 102.8MB. Free memory was 76.4MB in the beginning and 67.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:38:26,846 INFO L158 Benchmark]: CodeCheck took 1594.43ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 67.0MB in the beginning and 75.8MB in the end (delta: -8.8MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-10-17 16:38:26,847 INFO L158 Benchmark]: Witness Printer took 47.80ms. Allocated memory is still 123.7MB. Free memory was 75.8MB in the beginning and 73.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:38:26,850 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, 9 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 172 IncrementalHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 8 mSDtfsCounter, 172 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 219 GetRequests, 185 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 82 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 2/5 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: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: 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: 17]: Loop Invariant Derived loop invariant: x + 1 <= y && y <= 2147483647 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.42ms. Allocated memory is still 102.8MB. Free memory was 59.3MB in the beginning and 78.8MB in the end (delta: -19.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.08ms. Allocated memory is still 102.8MB. Free memory was 78.5MB in the beginning and 77.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.46ms. Allocated memory is still 102.8MB. Free memory was 77.3MB in the beginning and 76.4MB in the end (delta: 840.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 358.81ms. Allocated memory is still 102.8MB. Free memory was 76.4MB in the beginning and 67.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1594.43ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 67.0MB in the beginning and 75.8MB in the end (delta: -8.8MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Witness Printer took 47.80ms. Allocated memory is still 123.7MB. Free memory was 75.8MB in the beginning and 73.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:38:26,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacdca68-e621-4872-aaca-ca879b0a75d5/bin/ukojak-92XMlrwhuB/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