./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.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_268f4508-8533-4974-81b7-f5988db48001/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268f4508-8533-4974-81b7-f5988db48001/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_268f4508-8533-4974-81b7-f5988db48001/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268f4508-8533-4974-81b7-f5988db48001/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268f4508-8533-4974-81b7-f5988db48001/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_268f4508-8533-4974-81b7-f5988db48001/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 a2ca33357f027403889c5389836fd555c35be5ddc08c99fd81cecc21ac71c9a7 .................................................................................................................................................................................................................................. 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 03:07:20,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:07:20,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:07:20,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:07:20,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:07:20,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:07:20,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:07:20,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:07:20,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:07:20,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:07:20,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:07:20,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:07:20,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:07:20,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:07:20,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:07:20,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:07:20,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:07:20,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:07:20,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:07:20,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:07:20,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:07:20,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:07:20,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:07:20,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:07:21,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:07:21,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:07:21,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:07:21,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:07:21,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:07:21,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:07:21,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:07:21,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:07:21,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:07:21,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:07:21,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:07:21,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:07:21,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:07:21,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:07:21,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:07:21,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:07:21,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:07:21,024 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268f4508-8533-4974-81b7-f5988db48001/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-29 03:07:21,074 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:07:21,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:07:21,075 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:07:21,076 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:07:21,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:07:21,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:07:21,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:07:21,077 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:07:21,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:07:21,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:07:21,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:07:21,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:07:21,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:07:21,086 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 03:07:21,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:07:21,086 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:07:21,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:07:21,087 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:07:21,087 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:07:21,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:07:21,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:07:21,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:07:21,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:07:21,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:07:21,089 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:07:21,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:07:21,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:07:21,089 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_268f4508-8533-4974-81b7-f5988db48001/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268f4508-8533-4974-81b7-f5988db48001/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2ca33357f027403889c5389836fd555c35be5ddc08c99fd81cecc21ac71c9a7 [2021-10-29 03:07:21,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:07:21,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:07:21,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:07:21,390 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:07:21,391 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:07:21,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268f4508-8533-4974-81b7-f5988db48001/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c [2021-10-29 03:07:21,477 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268f4508-8533-4974-81b7-f5988db48001/bin/ukojak-Rh5K9KB4LI/data/3e0dd045d/cf4cdbc3350c459da937f5425390a44f/FLAG76b2c69c2 [2021-10-29 03:07:21,931 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:07:21,932 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268f4508-8533-4974-81b7-f5988db48001/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c [2021-10-29 03:07:21,942 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268f4508-8533-4974-81b7-f5988db48001/bin/ukojak-Rh5K9KB4LI/data/3e0dd045d/cf4cdbc3350c459da937f5425390a44f/FLAG76b2c69c2 [2021-10-29 03:07:22,332 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268f4508-8533-4974-81b7-f5988db48001/bin/ukojak-Rh5K9KB4LI/data/3e0dd045d/cf4cdbc3350c459da937f5425390a44f [2021-10-29 03:07:22,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:07:22,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:07:22,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:07:22,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:07:22,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:07:22,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:07:22" (1/1) ... [2021-10-29 03:07:22,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26197f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:22, skipping insertion in model container [2021-10-29 03:07:22,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:07:22" (1/1) ... [2021-10-29 03:07:22,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:07:22,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:07:22,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:07:22,568 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:07:22,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:07:22,591 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:07:22,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:22 WrapperNode [2021-10-29 03:07:22,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:07:22,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:07:22,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:07:22,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:07:22,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:22" (1/1) ... [2021-10-29 03:07:22,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:22" (1/1) ... [2021-10-29 03:07:22,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:07:22,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:07:22,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:07:22,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:07:22,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:22" (1/1) ... [2021-10-29 03:07:22,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:22" (1/1) ... [2021-10-29 03:07:22,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:22" (1/1) ... [2021-10-29 03:07:22,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:22" (1/1) ... [2021-10-29 03:07:22,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:22" (1/1) ... [2021-10-29 03:07:22,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:22" (1/1) ... [2021-10-29 03:07:22,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:22" (1/1) ... [2021-10-29 03:07:22,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:07:22,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:07:22,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:07:22,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:07:22,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:22" (1/1) ... [2021-10-29 03:07:22,649 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:07:22,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268f4508-8533-4974-81b7-f5988db48001/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:07:22,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268f4508-8533-4974-81b7-f5988db48001/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:07:22,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268f4508-8533-4974-81b7-f5988db48001/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:07:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:07:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:07:22,894 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:07:22,894 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 03:07:22,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:07:22 BoogieIcfgContainer [2021-10-29 03:07:22,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:07:22,898 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:07:22,898 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:07:22,908 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:07:22,909 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:07:22" (1/1) ... [2021-10-29 03:07:22,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:07:22,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:22,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-10-29 03:07:22,953 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-10-29 03:07:22,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 03:07:22,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:22,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:23,143 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 03:07:23,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:23,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2021-10-29 03:07:23,234 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-10-29 03:07:23,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:07:23,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:23,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:23,326 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 03:07:23,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:23,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2021-10-29 03:07:23,439 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2021-10-29 03:07:23,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:07:23,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:23,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:23,536 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 03:07:23,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:23,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2021-10-29 03:07:23,626 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2021-10-29 03:07:23,627 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:07:23,627 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2021-10-29 03:07:23,633 INFO L759 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2021-10-29 03:07:23,645 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 03:07:23,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:07:23 ImpRootNode [2021-10-29 03:07:23,655 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:07:23,655 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:07:23,656 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:07:23,656 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:07:23,656 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:07:22" (3/4) ... [2021-10-29 03:07:23,659 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:07:23,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 03:07:23,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-29 03:07:23,669 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:07:23,700 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268f4508-8533-4974-81b7-f5988db48001/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:07:23,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:07:23,703 INFO L168 Benchmark]: Toolchain (without parser) took 1356.32 ms. Allocated memory was 109.1 MB in the beginning and 157.3 MB in the end (delta: 48.2 MB). Free memory was 76.4 MB in the beginning and 96.4 MB in the end (delta: -20.1 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:07:23,703 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 109.1 MB. Free memory is still 63.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:07:23,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.97 ms. Allocated memory was 109.1 MB in the beginning and 157.3 MB in the end (delta: 48.2 MB). Free memory was 76.1 MB in the beginning and 133.5 MB in the end (delta: -57.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:07:23,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.15 ms. Allocated memory is still 157.3 MB. Free memory was 133.5 MB in the beginning and 132.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:07:23,705 INFO L168 Benchmark]: Boogie Preprocessor took 17.26 ms. Allocated memory is still 157.3 MB. Free memory was 132.1 MB in the beginning and 131.4 MB in the end (delta: 732.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:07:23,706 INFO L168 Benchmark]: RCFGBuilder took 255.93 ms. Allocated memory is still 157.3 MB. Free memory was 131.4 MB in the beginning and 122.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:07:23,707 INFO L168 Benchmark]: CodeCheck took 756.66 ms. Allocated memory is still 157.3 MB. Free memory was 122.3 MB in the beginning and 98.5 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:07:23,708 INFO L168 Benchmark]: Witness Printer took 45.54 ms. Allocated memory is still 157.3 MB. Free memory was 98.5 MB in the beginning and 96.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:07:23,711 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 12 SDslu, 0 SDs, 0 SdLazy, 82 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 78 SyntacticMatches, 6 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 63 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: x <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 109.1 MB. Free memory is still 63.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 245.97 ms. Allocated memory was 109.1 MB in the beginning and 157.3 MB in the end (delta: 48.2 MB). Free memory was 76.1 MB in the beginning and 133.5 MB in the end (delta: -57.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.15 ms. Allocated memory is still 157.3 MB. Free memory was 133.5 MB in the beginning and 132.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.26 ms. Allocated memory is still 157.3 MB. Free memory was 132.1 MB in the beginning and 131.4 MB in the end (delta: 732.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 255.93 ms. Allocated memory is still 157.3 MB. Free memory was 131.4 MB in the beginning and 122.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 756.66 ms. Allocated memory is still 157.3 MB. Free memory was 122.3 MB in the beginning and 98.5 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Witness Printer took 45.54 ms. Allocated memory is still 157.3 MB. Free memory was 98.5 MB in the beginning and 96.4 MB in the end (delta: 2.1 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 03:07:23,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268f4508-8533-4974-81b7-f5988db48001/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...