./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ca8148-bc6a-4cf8-b578-a11eacc83486/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ca8148-bc6a-4cf8-b578-a11eacc83486/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ca8148-bc6a-4cf8-b578-a11eacc83486/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ca8148-bc6a-4cf8-b578-a11eacc83486/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ca8148-bc6a-4cf8-b578-a11eacc83486/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ca8148-bc6a-4cf8-b578-a11eacc83486/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bb3f76d55016616b178303c0eddf93fcbee588d4887c9917c414ed1a56e984ba --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:20:05,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:20:05,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:20:05,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:20:05,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:20:05,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:20:05,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:20:05,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:20:05,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:20:05,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:20:05,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:20:05,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:20:05,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:20:05,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:20:05,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:20:05,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:20:05,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:20:05,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:20:05,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:20:05,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:20:05,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:20:05,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:20:05,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:20:05,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:20:05,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:20:05,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:20:05,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:20:05,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:20:05,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:20:05,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:20:05,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:20:05,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:20:05,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:20:05,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:20:05,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:20:05,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:20:05,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:20:05,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:20:05,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:20:05,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:20:05,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:20:05,740 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ca8148-bc6a-4cf8-b578-a11eacc83486/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-22 23:20:05,771 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:20:05,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:20:05,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:20:05,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:20:05,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:20:05,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:20:05,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:20:05,777 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:20:05,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:20:05,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:20:05,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:20:05,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:20:05,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:20:05,779 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-22 23:20:05,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:20:05,780 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:20:05,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:20:05,780 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:20:05,781 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:20:05,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:20:05,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:20:05,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:20:05,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:20:05,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:20:05,782 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:20:05,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:20:05,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:20:05,783 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_f2ca8148-bc6a-4cf8-b578-a11eacc83486/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ca8148-bc6a-4cf8-b578-a11eacc83486/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb3f76d55016616b178303c0eddf93fcbee588d4887c9917c414ed1a56e984ba [2021-11-22 23:20:06,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:20:06,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:20:06,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:20:06,136 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:20:06,137 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:20:06,139 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ca8148-bc6a-4cf8-b578-a11eacc83486/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a.c [2021-11-22 23:20:06,212 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ca8148-bc6a-4cf8-b578-a11eacc83486/bin/ukojak-LBtLqBUTdQ/data/661650de9/61836d24604349409d4b99c1d1e4d572/FLAGc9b9a2b2b [2021-11-22 23:20:06,783 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:20:06,784 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ca8148-bc6a-4cf8-b578-a11eacc83486/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a.c [2021-11-22 23:20:06,794 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ca8148-bc6a-4cf8-b578-a11eacc83486/bin/ukojak-LBtLqBUTdQ/data/661650de9/61836d24604349409d4b99c1d1e4d572/FLAGc9b9a2b2b [2021-11-22 23:20:07,165 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ca8148-bc6a-4cf8-b578-a11eacc83486/bin/ukojak-LBtLqBUTdQ/data/661650de9/61836d24604349409d4b99c1d1e4d572 [2021-11-22 23:20:07,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:20:07,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:20:07,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:20:07,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:20:07,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:20:07,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:20:07" (1/1) ... [2021-11-22 23:20:07,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c3563c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:07, skipping insertion in model container [2021-11-22 23:20:07,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:20:07" (1/1) ... [2021-11-22 23:20:07,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:20:07,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:20:07,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:20:07,400 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:20:07,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:20:07,426 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:20:07,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:07 WrapperNode [2021-11-22 23:20:07,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:20:07,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:20:07,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:20:07,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:20:07,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:07" (1/1) ... [2021-11-22 23:20:07,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:07" (1/1) ... [2021-11-22 23:20:07,463 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2021-11-22 23:20:07,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:20:07,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:20:07,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:20:07,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:20:07,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:07" (1/1) ... [2021-11-22 23:20:07,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:07" (1/1) ... [2021-11-22 23:20:07,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:07" (1/1) ... [2021-11-22 23:20:07,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:07" (1/1) ... [2021-11-22 23:20:07,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:07" (1/1) ... [2021-11-22 23:20:07,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:07" (1/1) ... [2021-11-22 23:20:07,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:07" (1/1) ... [2021-11-22 23:20:07,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:20:07,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:20:07,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:20:07,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:20:07,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:07" (1/1) ... [2021-11-22 23:20:07,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:20:07,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ca8148-bc6a-4cf8-b578-a11eacc83486/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:20:07,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ca8148-bc6a-4cf8-b578-a11eacc83486/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:20:07,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ca8148-bc6a-4cf8-b578-a11eacc83486/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:20:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:20:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:20:07,635 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:20:07,637 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:20:07,759 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:20:07,776 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:20:07,776 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:20:07,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:20:07 BoogieIcfgContainer [2021-11-22 23:20:07,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:20:07,780 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:20:07,780 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:20:07,791 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:20:07,791 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:20:07" (1/1) ... [2021-11-22 23:20:07,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:20:07,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:07,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2021-11-22 23:20:07,858 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-11-22 23:20:07,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:20:07,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:07,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:08,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:08,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:08,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2021-11-22 23:20:08,058 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2021-11-22 23:20:08,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:20:08,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:08,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:08,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:08,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:08,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2021-11-22 23:20:08,175 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2021-11-22 23:20:08,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:20:08,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:08,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:08,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:08,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:08,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2021-11-22 23:20:08,363 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-11-22 23:20:08,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:20:08,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:08,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:08,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:08,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:08,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2021-11-22 23:20:08,440 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2021-11-22 23:20:08,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:20:08,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:08,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:08,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:08,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:08,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-22 23:20:08,752 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-22 23:20:08,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:20:08,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:08,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:08,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:08,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:08,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2021-11-22 23:20:08,837 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-11-22 23:20:08,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 23:20:08,838 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2021-11-22 23:20:08,850 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-11-22 23:20:08,879 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2021-11-22 23:20:08,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:20:08 ImpRootNode [2021-11-22 23:20:08,891 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:20:08,892 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:20:08,893 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:20:08,893 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:20:08,893 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:20:07" (3/4) ... [2021-11-22 23:20:08,896 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 23:20:08,907 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-22 23:20:08,907 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-22 23:20:08,907 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-22 23:20:08,960 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ca8148-bc6a-4cf8-b578-a11eacc83486/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:20:08,960 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:20:08,961 INFO L158 Benchmark]: Toolchain (without parser) took 1788.29ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 64.2MB in the beginning and 79.0MB in the end (delta: -14.8MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-11-22 23:20:08,961 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 94.4MB. Free memory was 66.6MB in the beginning and 66.6MB in the end (delta: 14.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:20:08,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.26ms. Allocated memory is still 94.4MB. Free memory was 64.2MB in the beginning and 73.1MB in the end (delta: -8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 23:20:08,962 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.93ms. Allocated memory is still 94.4MB. Free memory was 73.1MB in the beginning and 71.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:20:08,963 INFO L158 Benchmark]: Boogie Preprocessor took 24.94ms. Allocated memory is still 94.4MB. Free memory was 71.6MB in the beginning and 70.7MB in the end (delta: 881.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:20:08,963 INFO L158 Benchmark]: RCFGBuilder took 287.28ms. Allocated memory is still 94.4MB. Free memory was 70.7MB in the beginning and 62.1MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:20:08,964 INFO L158 Benchmark]: CodeCheck took 1111.18ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 61.9MB in the beginning and 81.0MB in the end (delta: -19.1MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2021-11-22 23:20:08,964 INFO L158 Benchmark]: Witness Printer took 67.63ms. Allocated memory is still 113.2MB. Free memory was 81.0MB in the beginning and 79.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:20:08,967 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: 1.0s, OverallIterations: 7, 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, 124 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 277 IncrementalHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 30 mSDtfsCounter, 277 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 278 GetRequests, 246 SyntacticMatches, 10 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 85 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 4/5 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: 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: 16]: Loop Invariant Derived loop invariant: x <= 2147483647 && 0 <= x + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 94.4MB. Free memory was 66.6MB in the beginning and 66.6MB in the end (delta: 14.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.26ms. Allocated memory is still 94.4MB. Free memory was 64.2MB in the beginning and 73.1MB in the end (delta: -8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.93ms. Allocated memory is still 94.4MB. Free memory was 73.1MB in the beginning and 71.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.94ms. Allocated memory is still 94.4MB. Free memory was 71.6MB in the beginning and 70.7MB in the end (delta: 881.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 287.28ms. Allocated memory is still 94.4MB. Free memory was 70.7MB in the beginning and 62.1MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1111.18ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 61.9MB in the beginning and 81.0MB in the end (delta: -19.1MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. * Witness Printer took 67.63ms. Allocated memory is still 113.2MB. Free memory was 81.0MB in the beginning and 79.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-22 23:20:09,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ca8148-bc6a-4cf8-b578-a11eacc83486/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE