./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd1f2be-1534-43fd-9985-a58e035eea1f/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd1f2be-1534-43fd-9985-a58e035eea1f/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd1f2be-1534-43fd-9985-a58e035eea1f/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd1f2be-1534-43fd-9985-a58e035eea1f/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd1f2be-1534-43fd-9985-a58e035eea1f/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd1f2be-1534-43fd-9985-a58e035eea1f/bin/ukojak-d1pc8ZmBRL --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 da22ffb72429307957b6c0c7dbecd683a89e13ab06c6f4d1911b51bf365e4d9f --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:37:23,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:37:23,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:37:23,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:37:23,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:37:23,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:37:23,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:37:23,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:37:23,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:37:23,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:37:23,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:37:23,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:37:23,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:37:23,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:37:23,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:37:23,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:37:23,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:37:23,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:37:23,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:37:23,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:37:23,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:37:23,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:37:23,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:37:23,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:37:23,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:37:23,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:37:23,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:37:23,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:37:23,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:37:23,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:37:23,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:37:23,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:37:23,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:37:23,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:37:23,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:37:23,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:37:23,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:37:23,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:37:23,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:37:23,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:37:23,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:37:23,188 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd1f2be-1534-43fd-9985-a58e035eea1f/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-25 07:37:23,240 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:37:23,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:37:23,242 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:37:23,242 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:37:23,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:37:23,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:37:23,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:37:23,244 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 07:37:23,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:37:23,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:37:23,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:37:23,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:37:23,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:37:23,251 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 07:37:23,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:37:23,251 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:37:23,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:37:23,252 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:37:23,252 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:37:23,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:37:23,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:37:23,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:37:23,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:37:23,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:37:23,253 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:37:23,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:37:23,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:37:23,254 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_2bd1f2be-1534-43fd-9985-a58e035eea1f/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd1f2be-1534-43fd-9985-a58e035eea1f/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da22ffb72429307957b6c0c7dbecd683a89e13ab06c6f4d1911b51bf365e4d9f [2021-11-25 07:37:23,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:37:23,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:37:23,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:37:23,535 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:37:23,536 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:37:23,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd1f2be-1534-43fd-9985-a58e035eea1f/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a.c [2021-11-25 07:37:23,611 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd1f2be-1534-43fd-9985-a58e035eea1f/bin/ukojak-d1pc8ZmBRL/data/735dc228e/3551734898444938a9571e11454b038f/FLAG2f4cfa891 [2021-11-25 07:37:24,077 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:37:24,078 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd1f2be-1534-43fd-9985-a58e035eea1f/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a.c [2021-11-25 07:37:24,090 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd1f2be-1534-43fd-9985-a58e035eea1f/bin/ukojak-d1pc8ZmBRL/data/735dc228e/3551734898444938a9571e11454b038f/FLAG2f4cfa891 [2021-11-25 07:37:24,463 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd1f2be-1534-43fd-9985-a58e035eea1f/bin/ukojak-d1pc8ZmBRL/data/735dc228e/3551734898444938a9571e11454b038f [2021-11-25 07:37:24,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:37:24,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:37:24,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:37:24,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:37:24,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:37:24,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:37:24" (1/1) ... [2021-11-25 07:37:24,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e3ef54b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:24, skipping insertion in model container [2021-11-25 07:37:24,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:37:24" (1/1) ... [2021-11-25 07:37:24,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:37:24,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:37:24,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:37:24,662 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:37:24,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:37:24,697 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:37:24,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:24 WrapperNode [2021-11-25 07:37:24,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:37:24,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:37:24,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:37:24,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:37:24,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:24" (1/1) ... [2021-11-25 07:37:24,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:24" (1/1) ... [2021-11-25 07:37:24,733 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2021-11-25 07:37:24,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:37:24,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:37:24,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:37:24,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:37:24,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:24" (1/1) ... [2021-11-25 07:37:24,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:24" (1/1) ... [2021-11-25 07:37:24,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:24" (1/1) ... [2021-11-25 07:37:24,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:24" (1/1) ... [2021-11-25 07:37:24,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:24" (1/1) ... [2021-11-25 07:37:24,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:24" (1/1) ... [2021-11-25 07:37:24,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:24" (1/1) ... [2021-11-25 07:37:24,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:37:24,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:37:24,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:37:24,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:37:24,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:37:24" (1/1) ... [2021-11-25 07:37:24,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:37:24,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd1f2be-1534-43fd-9985-a58e035eea1f/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:37:24,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd1f2be-1534-43fd-9985-a58e035eea1f/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:37:24,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd1f2be-1534-43fd-9985-a58e035eea1f/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:37:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:37:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:37:24,901 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:37:24,902 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:37:25,011 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:37:25,029 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:37:25,029 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 07:37:25,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:37:25 BoogieIcfgContainer [2021-11-25 07:37:25,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:37:25,033 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:37:25,033 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:37:25,043 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:37:25,043 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:37:25" (1/1) ... [2021-11-25 07:37:25,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:37:25,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:37:25,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2021-11-25 07:37:25,113 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-11-25 07:37:25,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:37:25,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:37:25,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:37:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:37:25,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:37:25,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:37:25,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2021-11-25 07:37:25,369 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2021-11-25 07:37:25,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:37:25,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:37:25,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:37:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:37:25,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:37:25,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:37:25,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2021-11-25 07:37:25,535 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2021-11-25 07:37:25,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 07:37:25,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:37:25,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:37:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:37:25,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:37:25,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:37:25,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2021-11-25 07:37:25,756 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2021-11-25 07:37:25,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 07:37:25,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:37:25,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:37:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:37:25,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:37:25,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:37:25,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2021-11-25 07:37:25,972 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2021-11-25 07:37:25,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 07:37:25,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:37:25,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:37:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:37:26,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:37:26,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:37:26,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2021-11-25 07:37:26,487 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2021-11-25 07:37:26,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 07:37:26,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:37:26,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:37:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:37:26,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:37:27,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:37:27,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2021-11-25 07:37:27,023 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2021-11-25 07:37:27,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:37:27,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:37:27,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:37:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:37:27,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:37:27,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:37:27,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2021-11-25 07:37:27,259 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2021-11-25 07:37:27,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:37:27,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:37:27,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:37:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:37:27,299 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:37:27,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:37:27,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2021-11-25 07:37:27,335 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2021-11-25 07:37:27,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:37:27,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:37:27,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:37:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:37:27,377 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:37:27,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:37:27,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2021-11-25 07:37:27,669 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2021-11-25 07:37:27,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:37:27,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:37:27,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:37:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:37:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:37:28,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:37:28,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2021-11-25 07:37:28,052 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2021-11-25 07:37:28,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 07:37:28,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:37:28,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:37:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:37:28,120 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:37:28,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:37:28,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2021-11-25 07:37:28,230 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2021-11-25 07:37:28,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 07:37:28,230 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2021-11-25 07:37:28,238 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2021-11-25 07:37:28,296 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2021-11-25 07:37:28,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 07:37:28 ImpRootNode [2021-11-25 07:37:28,305 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 07:37:28,306 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 07:37:28,306 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 07:37:28,306 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 07:37:28,307 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:37:25" (3/4) ... [2021-11-25 07:37:28,310 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 07:37:28,319 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-25 07:37:28,319 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-25 07:37:28,319 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 07:37:28,358 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd1f2be-1534-43fd-9985-a58e035eea1f/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 07:37:28,358 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 07:37:28,359 INFO L158 Benchmark]: Toolchain (without parser) took 3892.36ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 79.5MB in the beginning and 105.6MB in the end (delta: -26.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:37:28,359 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory was 64.1MB in the beginning and 64.0MB in the end (delta: 54.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:37:28,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.24ms. Allocated memory is still 111.1MB. Free memory was 79.5MB in the beginning and 87.7MB in the end (delta: -8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 07:37:28,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.49ms. Allocated memory is still 111.1MB. Free memory was 87.3MB in the beginning and 86.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:37:28,361 INFO L158 Benchmark]: Boogie Preprocessor took 41.87ms. Allocated memory is still 111.1MB. Free memory was 86.2MB in the beginning and 85.2MB in the end (delta: 951.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:37:28,362 INFO L158 Benchmark]: RCFGBuilder took 253.47ms. Allocated memory is still 111.1MB. Free memory was 85.2MB in the beginning and 76.0MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 07:37:28,363 INFO L158 Benchmark]: CodeCheck took 3272.67ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 75.7MB in the beginning and 107.7MB in the end (delta: -32.0MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2021-11-25 07:37:28,363 INFO L158 Benchmark]: Witness Printer took 52.35ms. Allocated memory is still 134.2MB. Free memory was 107.7MB in the beginning and 105.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 07:37:28,367 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, 16 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 12, 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, 345 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 318 mSDsluCounter, 517 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 453 mSDsCounter, 204 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 919 IncrementalHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 204 mSolverCounterUnsat, 64 mSDtfsCounter, 919 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 817 GetRequests, 690 SyntacticMatches, 31 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4298 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 194 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 15/15 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: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: 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: (x <= 2147483647 && d <= 2147483647) && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory was 64.1MB in the beginning and 64.0MB in the end (delta: 54.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.24ms. Allocated memory is still 111.1MB. Free memory was 79.5MB in the beginning and 87.7MB in the end (delta: -8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.49ms. Allocated memory is still 111.1MB. Free memory was 87.3MB in the beginning and 86.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.87ms. Allocated memory is still 111.1MB. Free memory was 86.2MB in the beginning and 85.2MB in the end (delta: 951.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 253.47ms. Allocated memory is still 111.1MB. Free memory was 85.2MB in the beginning and 76.0MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 3272.67ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 75.7MB in the beginning and 107.7MB in the end (delta: -32.0MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. * Witness Printer took 52.35ms. Allocated memory is still 134.2MB. Free memory was 107.7MB in the beginning and 105.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-25 07:37:28,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd1f2be-1534-43fd-9985-a58e035eea1f/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE