./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaB14.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b0b28b-fa99-4afc-b0ca-fef43dcea5c7/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b0b28b-fa99-4afc-b0ca-fef43dcea5c7/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_a6b0b28b-fa99-4afc-b0ca-fef43dcea5c7/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b0b28b-fa99-4afc-b0ca-fef43dcea5c7/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaB14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b0b28b-fa99-4afc-b0ca-fef43dcea5c7/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_a6b0b28b-fa99-4afc-b0ca-fef43dcea5c7/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 07f4699c371f295a25887a3f67dc54332a57ae32b5b342f10fdc7ddcf36f265e --- 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 22:09:04,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:09:04,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:09:05,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:09:05,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:09:05,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:09:05,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:09:05,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:09:05,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:09:05,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:09:05,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:09:05,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:09:05,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:09:05,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:09:05,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:09:05,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:09:05,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:09:05,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:09:05,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:09:05,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:09:05,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:09:05,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:09:05,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:09:05,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:09:05,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:09:05,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:09:05,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:09:05,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:09:05,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:09:05,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:09:05,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:09:05,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:09:05,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:09:05,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:09:05,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:09:05,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:09:05,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:09:05,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:09:05,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:09:05,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:09:05,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:09:05,031 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b0b28b-fa99-4afc-b0ca-fef43dcea5c7/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 22:09:05,050 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:09:05,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:09:05,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:09:05,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:09:05,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:09:05,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:09:05,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:09:05,053 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 22:09:05,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:09:05,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:09:05,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:09:05,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:09:05,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:09:05,054 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 22:09:05,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:09:05,054 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:09:05,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:09:05,054 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:09:05,054 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:09:05,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:09:05,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:09:05,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:09:05,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:09:05,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:09:05,055 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:09:05,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:09:05,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:09:05,056 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_a6b0b28b-fa99-4afc-b0ca-fef43dcea5c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b0b28b-fa99-4afc-b0ca-fef43dcea5c7/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07f4699c371f295a25887a3f67dc54332a57ae32b5b342f10fdc7ddcf36f265e [2022-12-14 22:09:05,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:09:05,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:09:05,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:09:05,270 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:09:05,271 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:09:05,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b0b28b-fa99-4afc-b0ca-fef43dcea5c7/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-restricted-15/PastaB14.c [2022-12-14 22:09:07,953 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:09:08,071 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:09:08,071 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b0b28b-fa99-4afc-b0ca-fef43dcea5c7/sv-benchmarks/c/termination-restricted-15/PastaB14.c [2022-12-14 22:09:08,075 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b0b28b-fa99-4afc-b0ca-fef43dcea5c7/bin/ukojak-rkRKPMF4O4/data/a06e5cd9d/26e857bb40be475dad3cded388a837ed/FLAG8603e8289 [2022-12-14 22:09:08,086 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b0b28b-fa99-4afc-b0ca-fef43dcea5c7/bin/ukojak-rkRKPMF4O4/data/a06e5cd9d/26e857bb40be475dad3cded388a837ed [2022-12-14 22:09:08,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:09:08,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:09:08,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:09:08,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:09:08,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:09:08,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:09:08" (1/1) ... [2022-12-14 22:09:08,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ebc84fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:09:08, skipping insertion in model container [2022-12-14 22:09:08,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:09:08" (1/1) ... [2022-12-14 22:09:08,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:09:08,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:09:08,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:09:08,219 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:09:08,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:09:08,243 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:09:08,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:09:08 WrapperNode [2022-12-14 22:09:08,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:09:08,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:09:08,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:09:08,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:09:08,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:09:08" (1/1) ... [2022-12-14 22:09:08,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:09:08" (1/1) ... [2022-12-14 22:09:08,271 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2022-12-14 22:09:08,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:09:08,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:09:08,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:09:08,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:09:08,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:09:08" (1/1) ... [2022-12-14 22:09:08,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:09:08" (1/1) ... [2022-12-14 22:09:08,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:09:08" (1/1) ... [2022-12-14 22:09:08,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:09:08" (1/1) ... [2022-12-14 22:09:08,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:09:08" (1/1) ... [2022-12-14 22:09:08,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:09:08" (1/1) ... [2022-12-14 22:09:08,287 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:09:08" (1/1) ... [2022-12-14 22:09:08,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:09:08" (1/1) ... [2022-12-14 22:09:08,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:09:08,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:09:08,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:09:08,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:09:08,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:09:08" (1/1) ... [2022-12-14 22:09:08,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:09:08,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b0b28b-fa99-4afc-b0ca-fef43dcea5c7/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:09:08,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b0b28b-fa99-4afc-b0ca-fef43dcea5c7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:09:08,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b0b28b-fa99-4afc-b0ca-fef43dcea5c7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:09:08,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:09:08,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:09:08,405 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:09:08,407 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:09:08,466 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:09:08,485 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:09:08,485 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 22:09:08,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:09:08 BoogieIcfgContainer [2022-12-14 22:09:08,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:09:08,489 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:09:08,489 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:09:08,499 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:09:08,499 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:09:08" (1/1) ... [2022-12-14 22:09:08,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:09:08,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:08,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-12-14 22:09:08,553 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-12-14 22:09:08,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 22:09:08,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:08,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:08,663 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 22:09:08,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:08,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-12-14 22:09:08,698 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-12-14 22:09:08,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 22:09:08,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:08,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:08,731 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 22:09:08,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:08,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-12-14 22:09:08,799 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-12-14 22:09:08,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 22:09:08,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:08,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:08,832 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 22:09:08,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:08,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2022-12-14 22:09:08,978 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-12-14 22:09:08,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 22:09:08,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:08,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:09,022 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 22:09:09,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:09,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2022-12-14 22:09:09,254 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2022-12-14 22:09:09,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 22:09:09,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:09,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:09,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:09:09,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:09,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2022-12-14 22:09:09,446 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2022-12-14 22:09:09,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 22:09:09,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:09,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:09,489 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:09:09,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:09,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2022-12-14 22:09:09,623 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2022-12-14 22:09:09,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 22:09:09,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:09,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:09,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:09:09,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:09,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2022-12-14 22:09:09,704 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2022-12-14 22:09:09,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 22:09:09,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:09,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:09,746 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:09:09,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:09,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2022-12-14 22:09:09,854 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2022-12-14 22:09:09,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 22:09:09,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:09,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:09,934 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:09:10,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:10,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 22:09:10,294 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 22:09:10,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 22:09:10,294 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2022-12-14 22:09:10,301 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 22:09:10,328 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2022-12-14 22:09:10,338 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-12-14 22:09:10,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:09:10 ImpRootNode [2022-12-14 22:09:10,339 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:09:10,339 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:09:10,340 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:09:10,340 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:09:10,340 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:09:08" (3/4) ... [2022-12-14 22:09:10,343 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 22:09:10,351 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 22:09:10,351 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 22:09:10,352 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 22:09:10,381 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b0b28b-fa99-4afc-b0ca-fef43dcea5c7/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:09:10,381 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:09:10,382 INFO L158 Benchmark]: Toolchain (without parser) took 2292.90ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 92.7MB in the beginning and 106.8MB in the end (delta: -14.1MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2022-12-14 22:09:10,383 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory was 99.1MB in the beginning and 98.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:09:10,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 154.08ms. Allocated memory is still 125.8MB. Free memory was 92.7MB in the beginning and 83.6MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 22:09:10,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.49ms. Allocated memory is still 125.8MB. Free memory was 83.6MB in the beginning and 82.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:09:10,384 INFO L158 Benchmark]: Boogie Preprocessor took 17.43ms. Allocated memory is still 125.8MB. Free memory was 82.3MB in the beginning and 81.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:09:10,384 INFO L158 Benchmark]: RCFGBuilder took 198.57ms. Allocated memory is still 125.8MB. Free memory was 81.1MB in the beginning and 71.4MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:09:10,385 INFO L158 Benchmark]: CodeCheck took 1849.79ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 71.4MB in the beginning and 108.9MB in the end (delta: -37.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:09:10,385 INFO L158 Benchmark]: Witness Printer took 41.99ms. Allocated memory is still 153.1MB. Free memory was 108.9MB in the beginning and 106.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:09:10,387 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 319 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 276 mSDsluCounter, 131 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 104 mSDsCounter, 136 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 837 IncrementalHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 136 mSolverCounterUnsat, 27 mSDtfsCounter, 837 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 729 GetRequests, 631 SyntacticMatches, 14 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3480 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 187 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 13/23 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: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - 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 4 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: ((0 <= x && !(1 <= y)) && !(1 <= x)) || ((x <= 2147483647 && y <= x) && 1 <= x) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: x <= 2147483647 && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory was 99.1MB in the beginning and 98.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 154.08ms. Allocated memory is still 125.8MB. Free memory was 92.7MB in the beginning and 83.6MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.49ms. Allocated memory is still 125.8MB. Free memory was 83.6MB in the beginning and 82.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.43ms. Allocated memory is still 125.8MB. Free memory was 82.3MB in the beginning and 81.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 198.57ms. Allocated memory is still 125.8MB. Free memory was 81.1MB in the beginning and 71.4MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1849.79ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 71.4MB in the beginning and 108.9MB in the end (delta: -37.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 41.99ms. Allocated memory is still 153.1MB. Free memory was 108.9MB in the beginning and 106.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 22:09:10,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b0b28b-fa99-4afc-b0ca-fef43dcea5c7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE