./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/Urban-WST2013-Fig2-modified1000.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a115713e-646e-4a73-8993-a232156aa21a/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a115713e-646e-4a73-8993-a232156aa21a/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a115713e-646e-4a73-8993-a232156aa21a/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a115713e-646e-4a73-8993-a232156aa21a/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/Urban-WST2013-Fig2-modified1000.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a115713e-646e-4a73-8993-a232156aa21a/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a115713e-646e-4a73-8993-a232156aa21a/bin/ukojak-Rh5K9KB4LI --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 0b3c6d5b6497aa5ff0eb68154ec5345da59cc3565c3dc280e241d196cfa0cbf4 ................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:29:21,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:29:21,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:29:22,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:29:22,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:29:22,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:29:22,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:29:22,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:29:22,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:29:22,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:29:22,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:29:22,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:29:22,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:29:22,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:29:22,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:29:22,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:29:22,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:29:22,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:29:22,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:29:22,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:29:22,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:29:22,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:29:22,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:29:22,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:29:22,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:29:22,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:29:22,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:29:22,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:29:22,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:29:22,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:29:22,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:29:22,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:29:22,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:29:22,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:29:22,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:29:22,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:29:22,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:29:22,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:29:22,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:29:22,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:29:22,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:29:22,077 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a115713e-646e-4a73-8993-a232156aa21a/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-29 04:29:22,131 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:29:22,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:29:22,136 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:29:22,137 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:29:22,138 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:29:22,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:29:22,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:29:22,139 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:29:22,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:29:22,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:29:22,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:29:22,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:29:22,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:29:22,142 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 04:29:22,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:29:22,142 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:29:22,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:29:22,143 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:29:22,143 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:29:22,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:29:22,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:29:22,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:29:22,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:29:22,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:29:22,145 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:29:22,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:29:22,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:29:22,145 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_a115713e-646e-4a73-8993-a232156aa21a/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a115713e-646e-4a73-8993-a232156aa21a/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b3c6d5b6497aa5ff0eb68154ec5345da59cc3565c3dc280e241d196cfa0cbf4 [2021-10-29 04:29:22,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:29:22,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:29:22,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:29:22,543 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:29:22,544 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:29:22,545 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a115713e-646e-4a73-8993-a232156aa21a/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/termination-crafted-lit/Urban-WST2013-Fig2-modified1000.c [2021-10-29 04:29:22,637 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a115713e-646e-4a73-8993-a232156aa21a/bin/ukojak-Rh5K9KB4LI/data/f0b072a96/a183c498fb5649a085d6ad5241366755/FLAG7c25a965a [2021-10-29 04:29:23,202 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:29:23,204 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a115713e-646e-4a73-8993-a232156aa21a/sv-benchmarks/c/termination-crafted-lit/Urban-WST2013-Fig2-modified1000.c [2021-10-29 04:29:23,223 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a115713e-646e-4a73-8993-a232156aa21a/bin/ukojak-Rh5K9KB4LI/data/f0b072a96/a183c498fb5649a085d6ad5241366755/FLAG7c25a965a [2021-10-29 04:29:23,550 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a115713e-646e-4a73-8993-a232156aa21a/bin/ukojak-Rh5K9KB4LI/data/f0b072a96/a183c498fb5649a085d6ad5241366755 [2021-10-29 04:29:23,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:29:23,555 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:29:23,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:29:23,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:29:23,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:29:23,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:29:23" (1/1) ... [2021-10-29 04:29:23,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30a19544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:23, skipping insertion in model container [2021-10-29 04:29:23,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:29:23" (1/1) ... [2021-10-29 04:29:23,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:29:23,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:29:23,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:29:23,794 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:29:23,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:29:23,819 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:29:23,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:23 WrapperNode [2021-10-29 04:29:23,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:29:23,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:29:23,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:29:23,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:29:23,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:23" (1/1) ... [2021-10-29 04:29:23,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:23" (1/1) ... [2021-10-29 04:29:23,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:29:23,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:29:23,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:29:23,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:29:23,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:23" (1/1) ... [2021-10-29 04:29:23,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:23" (1/1) ... [2021-10-29 04:29:23,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:23" (1/1) ... [2021-10-29 04:29:23,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:23" (1/1) ... [2021-10-29 04:29:23,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:23" (1/1) ... [2021-10-29 04:29:23,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:23" (1/1) ... [2021-10-29 04:29:23,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:23" (1/1) ... [2021-10-29 04:29:23,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:29:23,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:29:23,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:29:23,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:29:23,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:23" (1/1) ... [2021-10-29 04:29:23,895 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:29:23,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a115713e-646e-4a73-8993-a232156aa21a/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:29:23,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a115713e-646e-4a73-8993-a232156aa21a/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:29:23,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a115713e-646e-4a73-8993-a232156aa21a/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:29:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:29:23,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:29:24,164 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:29:24,164 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-29 04:29:24,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:29:24 BoogieIcfgContainer [2021-10-29 04:29:24,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:29:24,169 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:29:24,169 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:29:24,183 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:29:24,183 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:29:24" (1/1) ... [2021-10-29 04:29:24,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:29:24,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:24,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2021-10-29 04:29:24,231 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-10-29 04:29:24,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 04:29:24,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:24,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:24,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:29:24,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:24,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-10-29 04:29:24,442 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-10-29 04:29:24,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 04:29:24,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:24,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:24,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:29:24,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:24,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2021-10-29 04:29:24,561 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-10-29 04:29:24,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:29:24,564 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:24,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:24,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:29:24,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:24,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2021-10-29 04:29:24,680 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2021-10-29 04:29:24,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:29:24,692 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:24,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:24,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:29:24,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:24,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2021-10-29 04:29:24,807 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2021-10-29 04:29:24,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:29:24,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:24,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:24,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:29:24,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:24,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2021-10-29 04:29:24,942 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2021-10-29 04:29:24,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:29:24,943 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:24,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:24,997 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:29:25,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:25,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2021-10-29 04:29:25,096 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2021-10-29 04:29:25,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:29:25,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:25,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:25,187 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:29:25,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:25,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2021-10-29 04:29:25,594 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2021-10-29 04:29:25,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:29:25,596 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:25,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:25,699 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:29:26,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:26,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2021-10-29 04:29:26,349 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-10-29 04:29:26,349 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:29:26,350 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2021-10-29 04:29:26,361 INFO L759 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-10-29 04:29:26,466 INFO L565 CodeCheckObserver]: Invariant with dag size 5 [2021-10-29 04:29:26,480 INFO L565 CodeCheckObserver]: Invariant with dag size 11 [2021-10-29 04:29:26,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:29:26 ImpRootNode [2021-10-29 04:29:26,481 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:29:26,482 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:29:26,482 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:29:26,483 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:29:26,483 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:29:24" (3/4) ... [2021-10-29 04:29:26,488 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:29:26,500 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 04:29:26,501 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 04:29:26,501 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:29:26,553 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a115713e-646e-4a73-8993-a232156aa21a/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:29:26,553 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:29:26,556 INFO L168 Benchmark]: Toolchain (without parser) took 2998.78 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 63.7 MB in the beginning and 73.5 MB in the end (delta: -9.7 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:29:26,557 INFO L168 Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 73.4 MB. Free memory is still 48.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:29:26,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.28 ms. Allocated memory is still 90.2 MB. Free memory was 63.6 MB in the beginning and 65.0 MB in the end (delta: -1.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:29:26,559 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.50 ms. Allocated memory is still 90.2 MB. Free memory was 65.0 MB in the beginning and 63.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:29:26,560 INFO L168 Benchmark]: Boogie Preprocessor took 22.63 ms. Allocated memory is still 90.2 MB. Free memory was 63.8 MB in the beginning and 62.8 MB in the end (delta: 938.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:29:26,561 INFO L168 Benchmark]: RCFGBuilder took 284.42 ms. Allocated memory is still 90.2 MB. Free memory was 62.7 MB in the beginning and 54.1 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:29:26,562 INFO L168 Benchmark]: CodeCheck took 2312.51 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 54.0 MB in the beginning and 75.5 MB in the end (delta: -21.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:29:26,563 INFO L168 Benchmark]: Witness Printer took 71.04 ms. Allocated memory is still 117.4 MB. Free memory was 75.5 MB in the beginning and 73.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:29:26,570 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 768 SDtfs, 746 SDslu, 0 SDs, 0 SdLazy, 3518 SolverSat, 1032 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 446 GetRequests, 385 SyntacticMatches, 9 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 138 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 15/16 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 <= x1 + 2147483648 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (x2 <= 1000 && x1 <= 10) && 0 <= x1 + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 ms. Allocated memory is still 73.4 MB. Free memory is still 48.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 263.28 ms. Allocated memory is still 90.2 MB. Free memory was 63.6 MB in the beginning and 65.0 MB in the end (delta: -1.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.50 ms. Allocated memory is still 90.2 MB. Free memory was 65.0 MB in the beginning and 63.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.63 ms. Allocated memory is still 90.2 MB. Free memory was 63.8 MB in the beginning and 62.8 MB in the end (delta: 938.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 284.42 ms. Allocated memory is still 90.2 MB. Free memory was 62.7 MB in the beginning and 54.1 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 2312.51 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 54.0 MB in the beginning and 75.5 MB in the end (delta: -21.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Witness Printer took 71.04 ms. Allocated memory is still 117.4 MB. Free memory was 75.5 MB in the beginning and 73.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:29:26,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a115713e-646e-4a73-8993-a232156aa21a/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...