./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9137f52c-b002-4203-b5f6-8366e70a937b/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9137f52c-b002-4203-b5f6-8366e70a937b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9137f52c-b002-4203-b5f6-8366e70a937b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9137f52c-b002-4203-b5f6-8366e70a937b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9137f52c-b002-4203-b5f6-8366e70a937b/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9137f52c-b002-4203-b5f6-8366e70a937b/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 1b43ce72b37c8e17b4dbab62d6d09279867a7da3 ............................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:29:37,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:29:37,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:29:37,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:29:37,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:29:37,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:29:37,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:29:37,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:29:37,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:29:37,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:29:37,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:29:37,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:29:37,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:29:37,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:29:37,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:29:37,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:29:37,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:29:37,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:29:37,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:29:37,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:29:37,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:29:37,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:29:37,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:29:37,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:29:37,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:29:37,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:29:37,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:29:37,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:29:37,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:29:37,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:29:37,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:29:37,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:29:37,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:29:37,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:29:37,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:29:37,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:29:37,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:29:37,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:29:37,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:29:37,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:29:37,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:29:37,978 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9137f52c-b002-4203-b5f6-8366e70a937b/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-26 02:29:37,990 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:29:37,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:29:37,991 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:29:37,991 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:29:37,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:29:37,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:29:37,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:29:37,992 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:29:37,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:29:37,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:29:37,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:29:37,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:29:37,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:29:37,993 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-26 02:29:37,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:29:37,993 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:29:37,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:29:37,994 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:29:37,994 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:29:37,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:29:37,994 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:29:37,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:29:37,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:29:37,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:29:37,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:29:37,995 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:29:37,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:29:37,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:29:37,996 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_9137f52c-b002-4203-b5f6-8366e70a937b/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 -> 1b43ce72b37c8e17b4dbab62d6d09279867a7da3 [2019-11-26 02:29:38,130 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:29:38,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:29:38,145 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:29:38,146 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:29:38,146 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:29:38,147 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9137f52c-b002-4203-b5f6-8366e70a937b/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c [2019-11-26 02:29:38,211 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9137f52c-b002-4203-b5f6-8366e70a937b/bin/ukojak/data/f28b0de2a/75aaaede1cbe44e484e10c66dc62cc39/FLAGfb85e2877 [2019-11-26 02:29:38,601 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:29:38,603 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9137f52c-b002-4203-b5f6-8366e70a937b/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c [2019-11-26 02:29:38,608 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9137f52c-b002-4203-b5f6-8366e70a937b/bin/ukojak/data/f28b0de2a/75aaaede1cbe44e484e10c66dc62cc39/FLAGfb85e2877 [2019-11-26 02:29:38,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9137f52c-b002-4203-b5f6-8366e70a937b/bin/ukojak/data/f28b0de2a/75aaaede1cbe44e484e10c66dc62cc39 [2019-11-26 02:29:38,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:29:38,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:29:38,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:29:38,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:29:39,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:29:39,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:29:38" (1/1) ... [2019-11-26 02:29:39,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@340b9478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:39, skipping insertion in model container [2019-11-26 02:29:39,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:29:38" (1/1) ... [2019-11-26 02:29:39,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:29:39,021 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:29:39,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:29:39,148 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:29:39,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:29:39,232 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:29:39,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:39 WrapperNode [2019-11-26 02:29:39,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:29:39,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:29:39,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:29:39,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:29:39,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:39" (1/1) ... [2019-11-26 02:29:39,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:39" (1/1) ... [2019-11-26 02:29:39,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:29:39,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:29:39,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:29:39,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:29:39,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:39" (1/1) ... [2019-11-26 02:29:39,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:39" (1/1) ... [2019-11-26 02:29:39,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:39" (1/1) ... [2019-11-26 02:29:39,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:39" (1/1) ... [2019-11-26 02:29:39,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:39" (1/1) ... [2019-11-26 02:29:39,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:39" (1/1) ... [2019-11-26 02:29:39,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:39" (1/1) ... [2019-11-26 02:29:39,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:29:39,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:29:39,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:29:39,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:29:39,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9137f52c-b002-4203-b5f6-8366e70a937b/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 [2019-11-26 02:29:39,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:29:39,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:29:39,500 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:29:39,501 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-26 02:29:39,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:29:39 BoogieIcfgContainer [2019-11-26 02:29:39,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:29:39,503 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:29:39,503 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:29:39,512 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:29:39,512 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:29:39" (1/1) ... [2019-11-26 02:29:39,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:29:39,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:39,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2019-11-26 02:29:39,551 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2019-11-26 02:29:39,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:29:39,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:39,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:29:39,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:39,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2019-11-26 02:29:39,745 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2019-11-26 02:29:39,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:29:39,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:39,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:29:39,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:39,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2019-11-26 02:29:39,800 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2019-11-26 02:29:39,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:29:39,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:39,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:29:40,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:40,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2019-11-26 02:29:40,032 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2019-11-26 02:29:40,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:29:40,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:40,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:29:40,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:40,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2019-11-26 02:29:40,305 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2019-11-26 02:29:40,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:29:40,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:40,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:29:40,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:40,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2019-11-26 02:29:40,717 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-11-26 02:29:40,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:29:40,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:40,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:29:41,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:41,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 31 states and 42 transitions. [2019-11-26 02:29:41,179 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2019-11-26 02:29:41,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:29:41,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:41,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:29:41,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:41,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2019-11-26 02:29:41,396 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2019-11-26 02:29:41,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:29:41,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:41,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:29:41,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:41,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2019-11-26 02:29:41,494 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2019-11-26 02:29:41,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:29:41,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:41,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:29:41,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:41,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 36 states and 52 transitions. [2019-11-26 02:29:41,746 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2019-11-26 02:29:41,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:29:41,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:41,763 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-26 02:29:41,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:41,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2019-11-26 02:29:41,907 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2019-11-26 02:29:41,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:29:41,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:41,957 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-26 02:29:42,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:42,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 57 transitions. [2019-11-26 02:29:42,159 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2019-11-26 02:29:42,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:29:42,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:42,176 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-26 02:29:42,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:42,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 41 states and 59 transitions. [2019-11-26 02:29:42,396 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2019-11-26 02:29:42,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-26 02:29:42,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:42,408 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-26 02:29:42,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:42,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2019-11-26 02:29:42,524 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2019-11-26 02:29:42,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 02:29:42,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:42,537 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-26 02:29:42,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:42,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2019-11-26 02:29:42,657 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2019-11-26 02:29:42,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:29:42,657 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2019-11-26 02:29:42,664 INFO L765 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2019-11-26 02:29:42,774 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-26 02:29:42,781 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:29:42,781 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2019-11-26 02:29:42,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:29:42 ImpRootNode [2019-11-26 02:29:42,783 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:29:42,783 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:29:42,783 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:29:42,783 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:29:42,784 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:29:39" (3/4) ... [2019-11-26 02:29:42,786 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:29:42,794 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-26 02:29:42,794 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:29:42,794 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:29:42,839 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9137f52c-b002-4203-b5f6-8366e70a937b/bin/ukojak/witness.graphml [2019-11-26 02:29:42,839 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:29:42,841 INFO L168 Benchmark]: Toolchain (without parser) took 3853.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 949.9 MB in the beginning and 946.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 146.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:29:42,842 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:29:42,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -189.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:29:42,843 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:29:42,844 INFO L168 Benchmark]: Boogie Preprocessor took 13.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:29:42,844 INFO L168 Benchmark]: RCFGBuilder took 229.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:29:42,845 INFO L168 Benchmark]: CodeCheck took 3280.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 947.9 MB in the end (delta: 171.5 MB). Peak memory consumption was 171.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:29:42,845 INFO L168 Benchmark]: Witness Printer took 56.42 ms. Allocated memory is still 1.2 GB. Free memory was 947.9 MB in the beginning and 946.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:29:42,848 INFO L335 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, 4 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 15, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 24576 SDtfs, 76130 SDslu, 0 SDs, 0 SdLazy, 385178 SolverSat, 94024 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1134 GetRequests, 972 SyntacticMatches, 68 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3740 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 121 ConstructedInterpolants, 0 QuantifiedInterpolants, 3311 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 44/48 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: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: x <= 1073741823 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((x <= y && x <= 1073741823) && 0 <= x) || ((1 <= y && x <= 1073741823) && y < x) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 235.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -189.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 229.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * CodeCheck took 3280.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 947.9 MB in the end (delta: 171.5 MB). Peak memory consumption was 171.5 MB. Max. memory is 11.5 GB. * Witness Printer took 56.42 ms. Allocated memory is still 1.2 GB. Free memory was 947.9 MB in the beginning and 946.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...