./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_4fd941ac-a944-4749-9bcd-5160d3920097/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd941ac-a944-4749-9bcd-5160d3920097/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_4fd941ac-a944-4749-9bcd-5160d3920097/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd941ac-a944-4749-9bcd-5160d3920097/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd941ac-a944-4749-9bcd-5160d3920097/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_4fd941ac-a944-4749-9bcd-5160d3920097/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 30d2fee99df05baf23c51b2012b75d1af7c997c2ecdfb3b70ac3637daf8339a3 --- 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 [2022-12-15 03:44:45,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:44:45,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:44:45,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:44:45,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:44:45,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:44:45,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:44:45,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:44:45,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:44:45,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:44:45,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:44:45,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:44:45,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:44:45,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:44:45,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:44:45,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:44:45,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:44:45,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:44:45,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:44:45,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:44:45,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:44:45,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:44:45,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:44:45,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:44:45,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:44:45,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:44:45,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:44:45,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:44:45,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:44:45,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:44:45,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:44:45,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:44:45,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:44:45,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:44:45,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:44:45,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:44:45,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:44:45,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:44:45,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:44:45,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:44:45,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:44:45,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd941ac-a944-4749-9bcd-5160d3920097/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 03:44:45,343 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:44:45,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:44:45,344 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:44:45,344 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:44:45,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:44:45,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:44:45,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:44:45,346 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 03:44:45,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:44:45,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:44:45,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:44:45,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:44:45,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:44:45,347 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 03:44:45,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:44:45,347 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:44:45,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:44:45,348 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:44:45,348 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:44:45,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:44:45,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:44:45,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:44:45,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:44:45,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:44:45,349 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:44:45,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:44:45,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:44:45,350 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_4fd941ac-a944-4749-9bcd-5160d3920097/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd941ac-a944-4749-9bcd-5160d3920097/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30d2fee99df05baf23c51b2012b75d1af7c997c2ecdfb3b70ac3637daf8339a3 [2022-12-15 03:44:45,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:44:45,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:44:45,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:44:45,578 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:44:45,578 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:44:45,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd941ac-a944-4749-9bcd-5160d3920097/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c [2022-12-15 03:44:48,196 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:44:48,337 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:44:48,337 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd941ac-a944-4749-9bcd-5160d3920097/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c [2022-12-15 03:44:48,341 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd941ac-a944-4749-9bcd-5160d3920097/bin/ukojak-rkRKPMF4O4/data/12d071be9/08a9ff642cbe4426a016f34e3de6b5d0/FLAGf97dc8c32 [2022-12-15 03:44:48,754 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd941ac-a944-4749-9bcd-5160d3920097/bin/ukojak-rkRKPMF4O4/data/12d071be9/08a9ff642cbe4426a016f34e3de6b5d0 [2022-12-15 03:44:48,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:44:48,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:44:48,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:44:48,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:44:48,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:44:48,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:44:48" (1/1) ... [2022-12-15 03:44:48,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5156450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:44:48, skipping insertion in model container [2022-12-15 03:44:48,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:44:48" (1/1) ... [2022-12-15 03:44:48,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:44:48,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:44:48,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:44:48,870 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:44:48,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:44:48,888 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:44:48,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:44:48 WrapperNode [2022-12-15 03:44:48,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:44:48,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:44:48,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:44:48,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:44:48,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:44:48" (1/1) ... [2022-12-15 03:44:48,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:44:48" (1/1) ... [2022-12-15 03:44:48,908 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2022-12-15 03:44:48,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:44:48,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:44:48,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:44:48,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:44:48,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:44:48" (1/1) ... [2022-12-15 03:44:48,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:44:48" (1/1) ... [2022-12-15 03:44:48,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:44:48" (1/1) ... [2022-12-15 03:44:48,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:44:48" (1/1) ... [2022-12-15 03:44:48,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:44:48" (1/1) ... [2022-12-15 03:44:48,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:44:48" (1/1) ... [2022-12-15 03:44:48,920 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:44:48" (1/1) ... [2022-12-15 03:44:48,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:44:48" (1/1) ... [2022-12-15 03:44:48,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:44:48,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:44:48,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:44:48,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:44:48,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:44:48" (1/1) ... [2022-12-15 03:44:48,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:44:48,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd941ac-a944-4749-9bcd-5160d3920097/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:44:48,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd941ac-a944-4749-9bcd-5160d3920097/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:44:48,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd941ac-a944-4749-9bcd-5160d3920097/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:44:48,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:44:48,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:44:49,029 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:44:49,030 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:44:49,099 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:44:49,113 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:44:49,113 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 03:44:49,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:44:49 BoogieIcfgContainer [2022-12-15 03:44:49,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:44:49,116 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:44:49,116 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:44:49,123 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:44:49,124 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:44:49" (1/1) ... [2022-12-15 03:44:49,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:44:49,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:44:49,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-12-15 03:44:49,170 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-12-15 03:44:49,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 03:44:49,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:44:49,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:44:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:44:49,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:44:49,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:44:49,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2022-12-15 03:44:49,301 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-12-15 03:44:49,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 03:44:49,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:44:49,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:44:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:44:49,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:44:49,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:44:49,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2022-12-15 03:44:49,401 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-12-15 03:44:49,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 03:44:49,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:44:49,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:44:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:44:49,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:44:49,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:44:49,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-12-15 03:44:49,578 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-12-15 03:44:49,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 03:44:49,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:44:49,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:44:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:44:49,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:44:49,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:44:49,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2022-12-15 03:44:49,743 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2022-12-15 03:44:49,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 03:44:49,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:44:49,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:44:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:44:49,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:44:50,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:44:50,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2022-12-15 03:44:50,018 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2022-12-15 03:44:50,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 03:44:50,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:44:50,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:44:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:44:50,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:44:50,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:44:50,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2022-12-15 03:44:50,336 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2022-12-15 03:44:50,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 03:44:50,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:44:50,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:44:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:44:50,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:44:50,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:44:50,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2022-12-15 03:44:50,512 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2022-12-15 03:44:50,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 03:44:50,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:44:50,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:44:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:44:50,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:44:50,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:44:50,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2022-12-15 03:44:50,619 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2022-12-15 03:44:50,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 03:44:50,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:44:50,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:44:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:44:50,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:44:50,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:44:50,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2022-12-15 03:44:50,735 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2022-12-15 03:44:50,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 03:44:50,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:44:50,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:44:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:44:50,752 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 03:44:50,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:44:50,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2022-12-15 03:44:50,907 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-12-15 03:44:50,908 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 03:44:50,908 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2022-12-15 03:44:50,913 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-12-15 03:44:50,953 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2022-12-15 03:44:50,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:44:50 ImpRootNode [2022-12-15 03:44:50,961 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:44:50,961 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:44:50,961 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:44:50,962 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:44:50,962 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:44:49" (3/4) ... [2022-12-15 03:44:50,964 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 03:44:50,972 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-15 03:44:50,973 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-15 03:44:50,973 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-15 03:44:51,008 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd941ac-a944-4749-9bcd-5160d3920097/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:44:51,009 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:44:51,009 INFO L158 Benchmark]: Toolchain (without parser) took 2251.44ms. Allocated memory is still 136.3MB. Free memory was 104.9MB in the beginning and 40.7MB in the end (delta: 64.2MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2022-12-15 03:44:51,010 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:44:51,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 129.99ms. Allocated memory is still 136.3MB. Free memory was 104.9MB in the beginning and 95.3MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 03:44:51,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.64ms. Allocated memory is still 136.3MB. Free memory was 95.3MB in the beginning and 93.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:44:51,011 INFO L158 Benchmark]: Boogie Preprocessor took 12.21ms. Allocated memory is still 136.3MB. Free memory was 93.8MB in the beginning and 93.2MB in the end (delta: 554.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:44:51,011 INFO L158 Benchmark]: RCFGBuilder took 193.94ms. Allocated memory is still 136.3MB. Free memory was 93.2MB in the beginning and 82.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 03:44:51,012 INFO L158 Benchmark]: CodeCheck took 1844.64ms. Allocated memory is still 136.3MB. Free memory was 82.8MB in the beginning and 43.8MB in the end (delta: 39.0MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2022-12-15 03:44:51,012 INFO L158 Benchmark]: Witness Printer took 47.48ms. Allocated memory is still 136.3MB. Free memory was 43.8MB in the beginning and 40.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:44:51,015 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, 17 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 380 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 302 mSDsluCounter, 730 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 580 mSDsCounter, 144 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 594 IncrementalHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 144 mSolverCounterUnsat, 150 mSDtfsCounter, 594 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 760 GetRequests, 676 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2990 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 9/9 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: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (z <= 2147483647 && x <= 2147483647) && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 129.99ms. Allocated memory is still 136.3MB. Free memory was 104.9MB in the beginning and 95.3MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.64ms. Allocated memory is still 136.3MB. Free memory was 95.3MB in the beginning and 93.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.21ms. Allocated memory is still 136.3MB. Free memory was 93.8MB in the beginning and 93.2MB in the end (delta: 554.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 193.94ms. Allocated memory is still 136.3MB. Free memory was 93.2MB in the beginning and 82.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1844.64ms. Allocated memory is still 136.3MB. Free memory was 82.8MB in the beginning and 43.8MB in the end (delta: 39.0MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * Witness Printer took 47.48ms. Allocated memory is still 136.3MB. Free memory was 43.8MB in the beginning and 40.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 03:44:51,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd941ac-a944-4749-9bcd-5160d3920097/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