./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_107bf0cd-732e-496f-b731-8ac33c492cb0/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_107bf0cd-732e-496f-b731-8ac33c492cb0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_107bf0cd-732e-496f-b731-8ac33c492cb0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_107bf0cd-732e-496f-b731-8ac33c492cb0/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified.c -s /tmp/vcloud-vcloud-master/worker/run_dir_107bf0cd-732e-496f-b731-8ac33c492cb0/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_107bf0cd-732e-496f-b731-8ac33c492cb0/bin/ukojak --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 9a661b9ed427d2e9174ef6e6cb1f5d6d0ab8d9e2 ................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 18:22:27,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:22:27,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:22:27,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:22:27,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:22:27,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:22:27,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:22:27,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:22:27,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:22:27,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:22:27,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:22:27,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:22:27,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:22:27,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:22:27,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:22:27,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:22:27,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:22:27,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:22:27,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:22:27,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:22:27,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:22:27,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:22:27,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:22:28,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:22:28,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:22:28,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:22:28,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:22:28,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:22:28,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:22:28,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:22:28,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:22:28,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:22:28,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:22:28,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:22:28,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:22:28,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:22:28,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:22:28,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:22:28,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:22:28,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:22:28,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:22:28,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_107bf0cd-732e-496f-b731-8ac33c492cb0/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-12-01 18:22:28,092 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:22:28,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:22:28,094 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:22:28,095 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:22:28,096 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:22:28,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:22:28,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:22:28,097 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 18:22:28,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:22:28,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:22:28,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:22:28,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:22:28,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:22:28,100 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 18:22:28,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:22:28,100 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:22:28,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:22:28,101 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:22:28,101 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:22:28,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:22:28,102 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:22:28,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:22:28,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:22:28,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:22:28,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:22:28,103 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:22:28,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:22:28,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:22:28,104 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-vcloud-master/worker/run_dir_107bf0cd-732e-496f-b731-8ac33c492cb0/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_107bf0cd-732e-496f-b731-8ac33c492cb0/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a661b9ed427d2e9174ef6e6cb1f5d6d0ab8d9e2 [2020-12-01 18:22:28,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:22:28,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:22:28,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:22:28,535 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:22:28,537 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:22:28,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_107bf0cd-732e-496f-b731-8ac33c492cb0/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified.c [2020-12-01 18:22:28,667 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_107bf0cd-732e-496f-b731-8ac33c492cb0/bin/ukojak/data/d8dac113c/801a68861b6b453c94d8987d8a9b4ae5/FLAGcea262d2f [2020-12-01 18:22:29,256 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:22:29,258 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_107bf0cd-732e-496f-b731-8ac33c492cb0/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified.c [2020-12-01 18:22:29,265 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_107bf0cd-732e-496f-b731-8ac33c492cb0/bin/ukojak/data/d8dac113c/801a68861b6b453c94d8987d8a9b4ae5/FLAGcea262d2f [2020-12-01 18:22:29,595 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_107bf0cd-732e-496f-b731-8ac33c492cb0/bin/ukojak/data/d8dac113c/801a68861b6b453c94d8987d8a9b4ae5 [2020-12-01 18:22:29,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:22:29,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:22:29,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:22:29,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:22:29,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:22:29,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:22:29" (1/1) ... [2020-12-01 18:22:29,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@144f08d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:29, skipping insertion in model container [2020-12-01 18:22:29,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:22:29" (1/1) ... [2020-12-01 18:22:29,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:22:29,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:22:29,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:22:29,828 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:22:29,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:22:29,880 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:22:29,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:29 WrapperNode [2020-12-01 18:22:29,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:22:29,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:22:29,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:22:29,885 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:22:29,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:29" (1/1) ... [2020-12-01 18:22:29,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:29" (1/1) ... [2020-12-01 18:22:29,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:22:29,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:22:29,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:22:29,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:22:29,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:29" (1/1) ... [2020-12-01 18:22:29,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:29" (1/1) ... [2020-12-01 18:22:29,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:29" (1/1) ... [2020-12-01 18:22:29,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:29" (1/1) ... [2020-12-01 18:22:29,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:29" (1/1) ... [2020-12-01 18:22:29,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:29" (1/1) ... [2020-12-01 18:22:29,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:29" (1/1) ... [2020-12-01 18:22:29,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:22:29,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:22:29,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:22:29,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:22:29,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_107bf0cd-732e-496f-b731-8ac33c492cb0/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:22:30,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:22:30,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:22:30,335 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:22:30,338 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-01 18:22:30,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:22:30 BoogieIcfgContainer [2020-12-01 18:22:30,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:22:30,342 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:22:30,343 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:22:30,358 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:22:30,358 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:22:30" (1/1) ... [2020-12-01 18:22:30,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:22:30,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:30,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2020-12-01 18:22:30,417 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2020-12-01 18:22:30,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 18:22:30,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:30,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:22:30,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:30,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2020-12-01 18:22:30,763 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2020-12-01 18:22:30,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 18:22:30,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:30,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:22:31,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:31,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2020-12-01 18:22:31,202 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2020-12-01 18:22:31,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:22:31,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:31,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:22:31,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:31,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2020-12-01 18:22:31,562 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2020-12-01 18:22:31,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:22:31,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:31,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:22:32,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:32,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2020-12-01 18:22:32,165 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2020-12-01 18:22:32,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:22:32,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:32,319 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:22:33,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:33,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2020-12-01 18:22:33,137 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2020-12-01 18:22:33,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:22:33,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:33,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:22:33,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:33,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2020-12-01 18:22:33,266 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2020-12-01 18:22:33,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:22:33,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:33,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:22:33,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:33,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2020-12-01 18:22:33,361 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2020-12-01 18:22:33,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:22:33,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:33,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:22:33,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:33,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2020-12-01 18:22:33,638 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2020-12-01 18:22:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:22:33,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:33,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:22:33,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:33,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2020-12-01 18:22:33,793 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2020-12-01 18:22:33,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:22:33,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:33,844 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:22:33,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:33,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2020-12-01 18:22:33,929 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2020-12-01 18:22:33,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:22:33,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:34,088 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:22:34,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:34,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2020-12-01 18:22:34,453 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2020-12-01 18:22:34,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:22:34,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:34,474 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:22:34,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:34,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2020-12-01 18:22:34,662 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2020-12-01 18:22:34,662 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:22:34,663 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2020-12-01 18:22:34,670 INFO L765 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2020-12-01 18:22:34,733 INFO L569 CodeCheckObserver]: Invariant with dag size 12 [2020-12-01 18:22:34,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:22:34 ImpRootNode [2020-12-01 18:22:34,743 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:22:34,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:22:34,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:22:34,745 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:22:34,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:22:30" (3/4) ... [2020-12-01 18:22:34,749 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:22:34,758 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-01 18:22:34,759 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 18:22:34,759 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:22:34,810 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_107bf0cd-732e-496f-b731-8ac33c492cb0/bin/ukojak/witness.graphml [2020-12-01 18:22:34,811 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:22:34,813 INFO L168 Benchmark]: Toolchain (without parser) took 5211.59 ms. Allocated memory was 102.8 MB in the beginning and 148.9 MB in the end (delta: 46.1 MB). Free memory was 75.8 MB in the beginning and 51.9 MB in the end (delta: 23.9 MB). Peak memory consumption was 69.7 MB. Max. memory is 16.1 GB. [2020-12-01 18:22:34,815 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 77.6 MB. Free memory was 37.7 MB in the beginning and 37.6 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:22:34,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.57 ms. Allocated memory is still 102.8 MB. Free memory was 75.5 MB in the beginning and 81.5 MB in the end (delta: -6.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:22:34,817 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.31 ms. Allocated memory is still 102.8 MB. Free memory was 81.5 MB in the beginning and 80.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:22:34,818 INFO L168 Benchmark]: Boogie Preprocessor took 34.21 ms. Allocated memory is still 102.8 MB. Free memory was 80.1 MB in the beginning and 79.4 MB in the end (delta: 782.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:22:34,819 INFO L168 Benchmark]: RCFGBuilder took 379.11 ms. Allocated memory is still 102.8 MB. Free memory was 79.4 MB in the beginning and 69.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:22:34,820 INFO L168 Benchmark]: CodeCheck took 4401.58 ms. Allocated memory was 102.8 MB in the beginning and 148.9 MB in the end (delta: 46.1 MB). Free memory was 68.9 MB in the beginning and 54.0 MB in the end (delta: 14.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:22:34,821 INFO L168 Benchmark]: Witness Printer took 66.66 ms. Allocated memory is still 148.9 MB. Free memory was 54.0 MB in the beginning and 51.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:22:34,827 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. VerificationResult: SAFE, OverallTime: 4.2s, OverallIterations: 13, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 25558 SDslu, 0 SDs, 0 SdLazy, 121750 SolverSat, 31740 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 820 GetRequests, 702 SyntacticMatches, 42 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2545 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 85 ConstructedInterpolants, 0 QuantifiedInterpolants, 2593 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 28/35 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: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: 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: 17]: Loop Invariant Derived loop invariant: ((x <= 2147483647 && 0 <= x + 2147483648) && 0 <= K + 2147483648) && K <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 77.6 MB. Free memory was 37.7 MB in the beginning and 37.6 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 275.57 ms. Allocated memory is still 102.8 MB. Free memory was 75.5 MB in the beginning and 81.5 MB in the end (delta: -6.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.31 ms. Allocated memory is still 102.8 MB. Free memory was 81.5 MB in the beginning and 80.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.21 ms. Allocated memory is still 102.8 MB. Free memory was 80.1 MB in the beginning and 79.4 MB in the end (delta: 782.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 379.11 ms. Allocated memory is still 102.8 MB. Free memory was 79.4 MB in the beginning and 69.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 4401.58 ms. Allocated memory was 102.8 MB in the beginning and 148.9 MB in the end (delta: 46.1 MB). Free memory was 68.9 MB in the beginning and 54.0 MB in the end (delta: 14.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 16.1 GB. * Witness Printer took 66.66 ms. Allocated memory is still 148.9 MB. Free memory was 54.0 MB in the beginning and 51.9 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! Received shutdown request...