./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.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_04ce2633-8a59-480b-9e04-06c5eba1a61d/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_04ce2633-8a59-480b-9e04-06c5eba1a61d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_04ce2633-8a59-480b-9e04-06c5eba1a61d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_04ce2633-8a59-480b-9e04-06c5eba1a61d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c -s /tmp/vcloud-vcloud-master/worker/run_dir_04ce2633-8a59-480b-9e04-06c5eba1a61d/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_04ce2633-8a59-480b-9e04-06c5eba1a61d/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 d38e7f8e829b6fb879eed3e9eda17afd63dbb323 ............................................................................................................................................................................................................................................................................................................ 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 17:14:57,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:14:57,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:14:57,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:14:57,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:14:57,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:14:57,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:14:57,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:14:57,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:14:57,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:14:57,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:14:57,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:14:58,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:14:58,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:14:58,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:14:58,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:14:58,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:14:58,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:14:58,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:14:58,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:14:58,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:14:58,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:14:58,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:14:58,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:14:58,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:14:58,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:14:58,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:14:58,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:14:58,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:14:58,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:14:58,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:14:58,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:14:58,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:14:58,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:14:58,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:14:58,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:14:58,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:14:58,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:14:58,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:14:58,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:14:58,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:14:58,083 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_04ce2633-8a59-480b-9e04-06c5eba1a61d/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-12-01 17:14:58,143 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:14:58,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:14:58,147 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:14:58,147 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:14:58,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:14:58,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:14:58,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:14:58,151 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 17:14:58,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:14:58,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:14:58,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:14:58,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:14:58,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:14:58,154 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 17:14:58,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:14:58,155 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:14:58,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:14:58,156 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:14:58,156 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:14:58,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:14:58,157 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:14:58,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:14:58,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:14:58,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:14:58,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:14:58,158 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:14:58,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:14:58,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:14:58,159 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_04ce2633-8a59-480b-9e04-06c5eba1a61d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_04ce2633-8a59-480b-9e04-06c5eba1a61d/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d38e7f8e829b6fb879eed3e9eda17afd63dbb323 [2020-12-01 17:14:58,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:14:58,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:14:58,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:14:58,561 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:14:58,563 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:14:58,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_04ce2633-8a59-480b-9e04-06c5eba1a61d/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2020-12-01 17:14:58,681 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_04ce2633-8a59-480b-9e04-06c5eba1a61d/bin/ukojak/data/7197d4b9e/4f516425cbb54f1faf776c84f196bf51/FLAGa032949fe [2020-12-01 17:14:59,318 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:14:59,319 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_04ce2633-8a59-480b-9e04-06c5eba1a61d/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2020-12-01 17:14:59,327 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_04ce2633-8a59-480b-9e04-06c5eba1a61d/bin/ukojak/data/7197d4b9e/4f516425cbb54f1faf776c84f196bf51/FLAGa032949fe [2020-12-01 17:14:59,673 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_04ce2633-8a59-480b-9e04-06c5eba1a61d/bin/ukojak/data/7197d4b9e/4f516425cbb54f1faf776c84f196bf51 [2020-12-01 17:14:59,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:14:59,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:14:59,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:14:59,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:14:59,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:14:59,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:14:59" (1/1) ... [2020-12-01 17:14:59,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7abc84ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:14:59, skipping insertion in model container [2020-12-01 17:14:59,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:14:59" (1/1) ... [2020-12-01 17:14:59,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:14:59,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:14:59,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:14:59,893 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:14:59,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:14:59,943 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:14:59,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:14:59 WrapperNode [2020-12-01 17:14:59,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:14:59,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:14:59,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:14:59,958 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:14:59,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:14:59" (1/1) ... [2020-12-01 17:14:59,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:14:59" (1/1) ... [2020-12-01 17:15:00,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:15:00,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:15:00,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:15:00,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:15:00,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:14:59" (1/1) ... [2020-12-01 17:15:00,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:14:59" (1/1) ... [2020-12-01 17:15:00,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:14:59" (1/1) ... [2020-12-01 17:15:00,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:14:59" (1/1) ... [2020-12-01 17:15:00,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:14:59" (1/1) ... [2020-12-01 17:15:00,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:14:59" (1/1) ... [2020-12-01 17:15:00,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:14:59" (1/1) ... [2020-12-01 17:15:00,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:15:00,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:15:00,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:15:00,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:15:00,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:14:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_04ce2633-8a59-480b-9e04-06c5eba1a61d/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 17:15:00,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:15:00,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:15:00,371 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:15:00,371 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-01 17:15:00,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:15:00 BoogieIcfgContainer [2020-12-01 17:15:00,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:15:00,377 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:15:00,377 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:15:00,391 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:15:00,393 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:15:00" (1/1) ... [2020-12-01 17:15:00,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:15:00,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:00,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2020-12-01 17:15:00,451 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2020-12-01 17:15:00,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 17:15:00,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:00,613 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 17:15:00,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:00,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2020-12-01 17:15:00,666 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2020-12-01 17:15:00,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 17:15:00,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:00,707 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 17:15:01,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:01,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2020-12-01 17:15:01,031 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2020-12-01 17:15:01,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:15:01,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:01,071 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 17:15:01,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:01,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2020-12-01 17:15:01,337 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2020-12-01 17:15:01,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:15:01,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:01,388 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 17:15:01,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:01,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2020-12-01 17:15:01,930 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2020-12-01 17:15:01,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:15:01,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:02,026 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 17:15:02,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:02,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2020-12-01 17:15:02,076 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2020-12-01 17:15:02,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:15:02,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:02,176 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 17:15:02,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:02,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2020-12-01 17:15:02,259 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2020-12-01 17:15:02,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:15:02,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:02,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:03,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:03,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 36 states and 52 transitions. [2020-12-01 17:15:03,240 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2020-12-01 17:15:03,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:15:03,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:03,375 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 17:15:03,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:03,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2020-12-01 17:15:03,592 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2020-12-01 17:15:03,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:15:03,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:03,674 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:04,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:04,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 40 states and 58 transitions. [2020-12-01 17:15:04,528 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2020-12-01 17:15:04,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:15:04,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:04,641 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:04,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:04,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 41 states and 60 transitions. [2020-12-01 17:15:04,688 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2020-12-01 17:15:04,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:15:04,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:04,786 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:15:05,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:05,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 68 transitions. [2020-12-01 17:15:05,801 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-12-01 17:15:05,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:15:05,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:06,205 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:07,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:07,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 53 states and 74 transitions. [2020-12-01 17:15:07,653 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 74 transitions. [2020-12-01 17:15:07,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:15:07,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:07,735 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:07,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:07,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2020-12-01 17:15:07,916 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2020-12-01 17:15:07,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:15:07,917 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2020-12-01 17:15:07,922 INFO L765 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2020-12-01 17:15:08,035 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2020-12-01 17:15:08,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:15:08 ImpRootNode [2020-12-01 17:15:08,046 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:15:08,046 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:15:08,046 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:15:08,047 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:15:08,047 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:15:00" (3/4) ... [2020-12-01 17:15:08,050 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:15:08,060 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-01 17:15:08,060 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 17:15:08,061 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:15:08,127 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_04ce2633-8a59-480b-9e04-06c5eba1a61d/bin/ukojak/witness.graphml [2020-12-01 17:15:08,132 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:15:08,135 INFO L168 Benchmark]: Toolchain (without parser) took 8453.32 ms. Allocated memory was 88.1 MB in the beginning and 161.5 MB in the end (delta: 73.4 MB). Free memory was 55.8 MB in the beginning and 109.2 MB in the end (delta: -53.5 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:08,136 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 88.1 MB. Free memory was 63.8 MB in the beginning and 63.8 MB in the end (delta: 31.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:15:08,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.61 ms. Allocated memory is still 88.1 MB. Free memory was 55.6 MB in the beginning and 68.1 MB in the end (delta: -12.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:08,139 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.90 ms. Allocated memory is still 88.1 MB. Free memory was 68.1 MB in the beginning and 66.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:15:08,140 INFO L168 Benchmark]: Boogie Preprocessor took 37.47 ms. Allocated memory is still 88.1 MB. Free memory was 66.7 MB in the beginning and 66.0 MB in the end (delta: 749.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:15:08,142 INFO L168 Benchmark]: RCFGBuilder took 330.75 ms. Allocated memory is still 88.1 MB. Free memory was 66.0 MB in the beginning and 55.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:08,145 INFO L168 Benchmark]: CodeCheck took 7669.36 ms. Allocated memory was 88.1 MB in the beginning and 161.5 MB in the end (delta: 73.4 MB). Free memory was 55.2 MB in the beginning and 111.3 MB in the end (delta: -56.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:08,145 INFO L168 Benchmark]: Witness Printer took 86.47 ms. Allocated memory is still 161.5 MB. Free memory was 111.3 MB in the beginning and 109.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:08,148 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, 15 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.4s, OverallIterations: 14, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 40174 SDslu, 0 SDs, 0 SdLazy, 200448 SolverSat, 32994 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1099 GetRequests, 896 SyntacticMatches, 85 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7659 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 7646 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 6/47 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: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: ((2 * x <= 3 * y + 4294967287 && y < 2) && 1 <= (y + 1) / 2) || ((x <= y + 2147483645 && 2 <= y) && y <= 2) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 88.1 MB. Free memory was 63.8 MB in the beginning and 63.8 MB in the end (delta: 31.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 269.61 ms. Allocated memory is still 88.1 MB. Free memory was 55.6 MB in the beginning and 68.1 MB in the end (delta: -12.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.90 ms. Allocated memory is still 88.1 MB. Free memory was 68.1 MB in the beginning and 66.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.47 ms. Allocated memory is still 88.1 MB. Free memory was 66.7 MB in the beginning and 66.0 MB in the end (delta: 749.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 330.75 ms. Allocated memory is still 88.1 MB. Free memory was 66.0 MB in the beginning and 55.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 7669.36 ms. Allocated memory was 88.1 MB in the beginning and 161.5 MB in the end (delta: 73.4 MB). Free memory was 55.2 MB in the beginning and 111.3 MB in the end (delta: -56.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. * Witness Printer took 86.47 ms. Allocated memory is still 161.5 MB. Free memory was 111.3 MB in the beginning and 109.2 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...