./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c65fa08-9261-4aac-9a1e-944a833add61/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c65fa08-9261-4aac-9a1e-944a833add61/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c65fa08-9261-4aac-9a1e-944a833add61/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c65fa08-9261-4aac-9a1e-944a833add61/bin/ukojak-2xVlg8857e/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_4c65fa08-9261-4aac-9a1e-944a833add61/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c65fa08-9261-4aac-9a1e-944a833add61/bin/ukojak-2xVlg8857e --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 0.2.1-dev-63182f1 [2021-11-13 23:03:28,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:03:28,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:03:28,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:03:28,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:03:28,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:03:28,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:03:28,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:03:28,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:03:28,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:03:28,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:03:28,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:03:28,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:03:28,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:03:28,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:03:28,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:03:28,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:03:28,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:03:28,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:03:28,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:03:28,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:03:28,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:03:28,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:03:28,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:03:28,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:03:28,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:03:28,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:03:28,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:03:28,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:03:28,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:03:28,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:03:28,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:03:28,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:03:28,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:03:28,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:03:28,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:03:28,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:03:28,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:03:28,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:03:28,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:03:28,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:03:28,309 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c65fa08-9261-4aac-9a1e-944a833add61/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 23:03:28,349 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:03:28,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:03:28,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:03:28,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:03:28,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:03:28,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:03:28,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:03:28,354 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:03:28,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:03:28,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:03:28,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:03:28,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:03:28,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:03:28,362 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 23:03:28,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:03:28,362 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:03:28,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:03:28,363 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:03:28,363 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:03:28,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:03:28,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:03:28,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:03:28,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:03:28,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:03:28,365 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:03:28,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:03:28,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:03:28,365 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_4c65fa08-9261-4aac-9a1e-944a833add61/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c65fa08-9261-4aac-9a1e-944a833add61/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da22ffb72429307957b6c0c7dbecd683a89e13ab06c6f4d1911b51bf365e4d9f [2021-11-13 23:03:28,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:03:28,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:03:28,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:03:28,667 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:03:28,668 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:03:28,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c65fa08-9261-4aac-9a1e-944a833add61/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a.c [2021-11-13 23:03:28,738 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c65fa08-9261-4aac-9a1e-944a833add61/bin/ukojak-2xVlg8857e/data/1cae9e272/ad212ad068994c32b7d1989b928717a5/FLAG5ae541ee2 [2021-11-13 23:03:29,167 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:03:29,168 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c65fa08-9261-4aac-9a1e-944a833add61/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a.c [2021-11-13 23:03:29,174 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c65fa08-9261-4aac-9a1e-944a833add61/bin/ukojak-2xVlg8857e/data/1cae9e272/ad212ad068994c32b7d1989b928717a5/FLAG5ae541ee2 [2021-11-13 23:03:29,567 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c65fa08-9261-4aac-9a1e-944a833add61/bin/ukojak-2xVlg8857e/data/1cae9e272/ad212ad068994c32b7d1989b928717a5 [2021-11-13 23:03:29,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:03:29,574 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:03:29,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:03:29,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:03:29,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:03:29,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:29" (1/1) ... [2021-11-13 23:03:29,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43adbd64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29, skipping insertion in model container [2021-11-13 23:03:29,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:29" (1/1) ... [2021-11-13 23:03:29,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:03:29,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:03:29,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:03:29,818 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:03:29,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:03:29,866 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:03:29,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29 WrapperNode [2021-11-13 23:03:29,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:03:29,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:03:29,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:03:29,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:03:29,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29" (1/1) ... [2021-11-13 23:03:29,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29" (1/1) ... [2021-11-13 23:03:29,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:03:29,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:03:29,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:03:29,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:03:29,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29" (1/1) ... [2021-11-13 23:03:29,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29" (1/1) ... [2021-11-13 23:03:29,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29" (1/1) ... [2021-11-13 23:03:29,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29" (1/1) ... [2021-11-13 23:03:29,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29" (1/1) ... [2021-11-13 23:03:29,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29" (1/1) ... [2021-11-13 23:03:29,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29" (1/1) ... [2021-11-13 23:03:29,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:03:29,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:03:29,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:03:29,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:03:29,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29" (1/1) ... [2021-11-13 23:03:29,942 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:03:29,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c65fa08-9261-4aac-9a1e-944a833add61/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:03:29,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c65fa08-9261-4aac-9a1e-944a833add61/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:03:30,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c65fa08-9261-4aac-9a1e-944a833add61/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:03:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:03:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:03:30,252 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:03:30,253 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 23:03:30,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:30 BoogieIcfgContainer [2021-11-13 23:03:30,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:03:30,258 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:03:30,265 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:03:30,279 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:03:30,279 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:30" (1/1) ... [2021-11-13 23:03:30,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:03:30,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:30,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2021-11-13 23:03:30,406 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-11-13 23:03:30,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:03:30,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:30,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:30,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:30,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:30,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2021-11-13 23:03:30,653 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2021-11-13 23:03:30,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:03:30,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:30,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:30,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:30,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:30,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2021-11-13 23:03:30,785 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2021-11-13 23:03:30,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:03:30,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:30,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:30,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:30,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:30,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2021-11-13 23:03:30,969 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2021-11-13 23:03:30,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:03:30,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:30,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:31,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:31,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:31,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2021-11-13 23:03:31,169 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2021-11-13 23:03:31,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:03:31,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:31,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:31,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:31,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:31,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2021-11-13 23:03:31,676 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2021-11-13 23:03:31,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:03:31,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:31,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:31,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:32,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:32,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2021-11-13 23:03:32,195 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2021-11-13 23:03:32,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:03:32,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:32,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:32,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:03:32,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:32,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2021-11-13 23:03:32,429 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2021-11-13 23:03:32,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:03:32,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:32,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:32,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:32,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:32,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2021-11-13 23:03:32,534 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2021-11-13 23:03:32,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:03:32,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:32,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:32,611 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:32,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:32,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2021-11-13 23:03:32,944 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2021-11-13 23:03:32,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:03:32,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:32,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:32,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:33,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:33,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2021-11-13 23:03:33,298 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2021-11-13 23:03:33,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:03:33,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:33,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:33,343 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:33,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:33,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2021-11-13 23:03:33,434 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2021-11-13 23:03:33,434 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 23:03:33,434 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2021-11-13 23:03:33,443 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2021-11-13 23:03:33,486 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2021-11-13 23:03:33,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:03:33 ImpRootNode [2021-11-13 23:03:33,495 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 23:03:33,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 23:03:33,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 23:03:33,497 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 23:03:33,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:30" (3/4) ... [2021-11-13 23:03:33,502 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 23:03:33,515 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-13 23:03:33,515 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 23:03:33,516 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 23:03:33,579 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c65fa08-9261-4aac-9a1e-944a833add61/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 23:03:33,579 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 23:03:33,580 INFO L158 Benchmark]: Toolchain (without parser) took 4005.69ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 55.8MB in the beginning and 56.2MB in the end (delta: -457.8kB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2021-11-13 23:03:33,581 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 96.5MB. Free memory was 72.1MB in the beginning and 72.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:03:33,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.09ms. Allocated memory is still 96.5MB. Free memory was 55.6MB in the beginning and 73.1MB in the end (delta: -17.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 23:03:33,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.49ms. Allocated memory is still 96.5MB. Free memory was 73.1MB in the beginning and 71.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:03:33,585 INFO L158 Benchmark]: Boogie Preprocessor took 31.06ms. Allocated memory is still 96.5MB. Free memory was 71.8MB in the beginning and 70.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:03:33,585 INFO L158 Benchmark]: RCFGBuilder took 324.12ms. Allocated memory is still 96.5MB. Free memory was 70.6MB in the beginning and 61.1MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:03:33,588 INFO L158 Benchmark]: CodeCheck took 3237.65ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 61.1MB in the beginning and 58.3MB in the end (delta: 2.7MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2021-11-13 23:03:33,588 INFO L158 Benchmark]: Witness Printer took 83.25ms. Allocated memory is still 127.9MB. Free memory was 58.3MB in the beginning and 56.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:03:33,592 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: 3.1s, 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, 1522.12ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 318 mSDsluCounter, 517 SdHoareTripleChecker+Invalid, 1255.87ms 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, 72.42ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 817 GetRequests, 690 SyntacticMatches, 31 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4298 ImplicationChecksByTransitivity, 2.1s 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 0.58ms. Allocated memory is still 96.5MB. Free memory was 72.1MB in the beginning and 72.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.09ms. Allocated memory is still 96.5MB. Free memory was 55.6MB in the beginning and 73.1MB in the end (delta: -17.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.49ms. Allocated memory is still 96.5MB. Free memory was 73.1MB in the beginning and 71.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.06ms. Allocated memory is still 96.5MB. Free memory was 71.8MB in the beginning and 70.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 324.12ms. Allocated memory is still 96.5MB. Free memory was 70.6MB in the beginning and 61.1MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 3237.65ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 61.1MB in the beginning and 58.3MB in the end (delta: 2.7MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * Witness Printer took 83.25ms. Allocated memory is still 127.9MB. Free memory was 58.3MB in the beginning and 56.2MB 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! [2021-11-13 23:03:33,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c65fa08-9261-4aac-9a1e-944a833add61/bin/ukojak-2xVlg8857e/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