./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf98b75b-98da-4c3e-ac7c-3f1d821391a8/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf98b75b-98da-4c3e-ac7c-3f1d821391a8/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf98b75b-98da-4c3e-ac7c-3f1d821391a8/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf98b75b-98da-4c3e-ac7c-3f1d821391a8/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf98b75b-98da-4c3e-ac7c-3f1d821391a8/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf98b75b-98da-4c3e-ac7c-3f1d821391a8/bin/ukojak-LBtLqBUTdQ --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 6a9448e40f7e1cb90b61ec4c7b0569a255b5e050f155dab703791bb6c298e764 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:20:32,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:20:32,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:20:32,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:20:32,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:20:32,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:20:32,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:20:32,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:20:32,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:20:32,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:20:32,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:20:32,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:20:32,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:20:32,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:20:32,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:20:32,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:20:32,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:20:32,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:20:32,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:20:32,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:20:32,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:20:32,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:20:32,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:20:32,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:20:32,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:20:32,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:20:32,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:20:32,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:20:32,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:20:32,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:20:32,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:20:32,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:20:32,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:20:32,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:20:32,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:20:32,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:20:32,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:20:32,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:20:32,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:20:32,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:20:32,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:20:32,869 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf98b75b-98da-4c3e-ac7c-3f1d821391a8/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-23 01:20:32,908 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:20:32,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:20:32,911 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:20:32,911 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:20:32,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:20:32,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:20:32,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:20:32,913 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:20:32,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:20:32,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:20:32,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:20:32,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:20:32,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:20:32,915 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 01:20:32,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:20:32,915 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:20:32,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:20:32,915 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:20:32,915 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:20:32,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:20:32,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:20:32,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:20:32,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:20:32,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:20:32,917 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:20:32,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:20:32,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:20:32,917 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_bf98b75b-98da-4c3e-ac7c-3f1d821391a8/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf98b75b-98da-4c3e-ac7c-3f1d821391a8/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a9448e40f7e1cb90b61ec4c7b0569a255b5e050f155dab703791bb6c298e764 [2021-11-23 01:20:33,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:20:33,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:20:33,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:20:33,234 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:20:33,235 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:20:33,237 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf98b75b-98da-4c3e-ac7c-3f1d821391a8/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig4.c [2021-11-23 01:20:33,310 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf98b75b-98da-4c3e-ac7c-3f1d821391a8/bin/ukojak-LBtLqBUTdQ/data/a44c305dc/647811ecb0c04afd92a60ec287b20d91/FLAG0da273b3b [2021-11-23 01:20:33,800 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:20:33,801 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf98b75b-98da-4c3e-ac7c-3f1d821391a8/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig4.c [2021-11-23 01:20:33,807 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf98b75b-98da-4c3e-ac7c-3f1d821391a8/bin/ukojak-LBtLqBUTdQ/data/a44c305dc/647811ecb0c04afd92a60ec287b20d91/FLAG0da273b3b [2021-11-23 01:20:34,199 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf98b75b-98da-4c3e-ac7c-3f1d821391a8/bin/ukojak-LBtLqBUTdQ/data/a44c305dc/647811ecb0c04afd92a60ec287b20d91 [2021-11-23 01:20:34,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:20:34,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:20:34,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:20:34,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:20:34,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:20:34,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73b0ca19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34, skipping insertion in model container [2021-11-23 01:20:34,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:20:34,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:20:34,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:20:34,388 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:20:34,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:20:34,433 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:20:34,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34 WrapperNode [2021-11-23 01:20:34,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:20:34,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:20:34,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:20:34,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:20:34,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,466 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2021-11-23 01:20:34,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:20:34,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:20:34,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:20:34,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:20:34,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:20:34,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:20:34,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:20:34,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:20:34,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:20:34,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf98b75b-98da-4c3e-ac7c-3f1d821391a8/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:20:34,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf98b75b-98da-4c3e-ac7c-3f1d821391a8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:20:34,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf98b75b-98da-4c3e-ac7c-3f1d821391a8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:20:34,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:20:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:20:34,629 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:20:34,631 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:20:34,712 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:20:34,729 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:20:34,730 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:20:34,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:20:34 BoogieIcfgContainer [2021-11-23 01:20:34,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:20:34,733 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:20:34,733 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:20:34,744 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:20:34,744 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:20:34,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:34,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-11-23 01:20:34,807 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-11-23 01:20:34,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:20:34,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:34,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:34,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:34,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:34,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 01:20:34,968 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 01:20:34,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:20:34,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:34,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:35,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:35,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:35,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2021-11-23 01:20:35,172 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2021-11-23 01:20:35,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:20:35,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:35,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:35,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:35,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:35,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 9 states and 13 transitions. [2021-11-23 01:20:35,282 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 13 transitions. [2021-11-23 01:20:35,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:20:35,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:35,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:35,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:35,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:35,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2021-11-23 01:20:35,472 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2021-11-23 01:20:35,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:20:35,473 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2021-11-23 01:20:35,485 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2021-11-23 01:20:35,509 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 01:20:35,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:20:35 ImpRootNode [2021-11-23 01:20:35,521 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:20:35,522 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:20:35,522 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:20:35,523 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:20:35,523 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:20:34" (3/4) ... [2021-11-23 01:20:35,527 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:20:35,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-23 01:20:35,538 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 01:20:35,538 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 01:20:35,582 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf98b75b-98da-4c3e-ac7c-3f1d821391a8/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:20:35,583 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:20:35,584 INFO L158 Benchmark]: Toolchain (without parser) took 1379.18ms. Allocated memory is still 107.0MB. Free memory was 66.4MB in the beginning and 46.5MB in the end (delta: 19.9MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2021-11-23 01:20:35,584 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:20:35,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.49ms. Allocated memory is still 107.0MB. Free memory was 66.2MB in the beginning and 84.2MB in the end (delta: -18.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:20:35,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.98ms. Allocated memory is still 107.0MB. Free memory was 84.2MB in the beginning and 82.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:20:35,585 INFO L158 Benchmark]: Boogie Preprocessor took 16.91ms. Allocated memory is still 107.0MB. Free memory was 82.9MB in the beginning and 82.1MB in the end (delta: 778.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:20:35,586 INFO L158 Benchmark]: RCFGBuilder took 247.63ms. Allocated memory is still 107.0MB. Free memory was 82.1MB in the beginning and 73.3MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:20:35,587 INFO L158 Benchmark]: CodeCheck took 788.44ms. Allocated memory is still 107.0MB. Free memory was 73.3MB in the beginning and 48.6MB in the end (delta: 24.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 01:20:35,587 INFO L158 Benchmark]: Witness Printer took 60.52ms. Allocated memory is still 107.0MB. Free memory was 48.6MB in the beginning and 46.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:20:35,590 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, 7 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 133 IncrementalHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 0 mSDtfsCounter, 133 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 145 SyntacticMatches, 8 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 48 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 3/5 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: 23 <= y && x <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.49ms. Allocated memory is still 107.0MB. Free memory was 66.2MB in the beginning and 84.2MB in the end (delta: -18.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.98ms. Allocated memory is still 107.0MB. Free memory was 84.2MB in the beginning and 82.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.91ms. Allocated memory is still 107.0MB. Free memory was 82.9MB in the beginning and 82.1MB in the end (delta: 778.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 247.63ms. Allocated memory is still 107.0MB. Free memory was 82.1MB in the beginning and 73.3MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 788.44ms. Allocated memory is still 107.0MB. Free memory was 73.3MB in the beginning and 48.6MB in the end (delta: 24.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 60.52ms. Allocated memory is still 107.0MB. Free memory was 48.6MB in the beginning and 46.5MB 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! [2021-11-23 01:20:35,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf98b75b-98da-4c3e-ac7c-3f1d821391a8/bin/ukojak-LBtLqBUTdQ/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