./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ebb53ac6-1ff8-45c8-835b-d826e5f07b3a/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ebb53ac6-1ff8-45c8-835b-d826e5f07b3a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ebb53ac6-1ff8-45c8-835b-d826e5f07b3a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ebb53ac6-1ff8-45c8-835b-d826e5f07b3a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ebb53ac6-1ff8-45c8-835b-d826e5f07b3a/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ebb53ac6-1ff8-45c8-835b-d826e5f07b3a/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 8c261c4c4bb9c8a95f9cb14c668da53a89a0d0c6 ........................................................................................................................................................................................................................ 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 02:22:32,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:22:32,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:22:32,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:22:32,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:22:32,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:22:32,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:22:32,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:22:32,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:22:32,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:22:32,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:22:32,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:22:32,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:22:32,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:22:32,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:22:32,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:22:32,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:22:32,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:22:32,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:22:32,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:22:32,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:22:32,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:22:32,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:22:32,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:22:32,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:22:32,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:22:32,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:22:32,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:22:32,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:22:32,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:22:32,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:22:32,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:22:32,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:22:32,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:22:32,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:22:32,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:22:32,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:22:32,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:22:32,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:22:32,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:22:32,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:22:32,706 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ebb53ac6-1ff8-45c8-835b-d826e5f07b3a/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-26 02:22:32,719 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:22:32,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:22:32,720 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:22:32,720 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:22:32,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:22:32,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:22:32,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:22:32,722 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:22:32,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:22:32,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:22:32,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:22:32,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:22:32,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:22:32,723 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-26 02:22:32,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:22:32,723 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:22:32,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:22:32,723 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:22:32,724 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:22:32,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:22:32,724 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:22:32,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:22:32,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:22:32,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:22:32,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:22:32,725 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:22:32,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:22:32,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:22:32,725 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_ebb53ac6-1ff8-45c8-835b-d826e5f07b3a/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 -> 8c261c4c4bb9c8a95f9cb14c668da53a89a0d0c6 [2019-11-26 02:22:32,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:22:32,874 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:22:32,877 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:22:32,879 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:22:32,879 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:22:32,880 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ebb53ac6-1ff8-45c8-835b-d826e5f07b3a/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c [2019-11-26 02:22:32,934 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ebb53ac6-1ff8-45c8-835b-d826e5f07b3a/bin/ukojak/data/50d22c3f6/f8faa75e0bf1445baea345d72d7870d4/FLAG570c2f0cd [2019-11-26 02:22:33,339 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:22:33,341 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ebb53ac6-1ff8-45c8-835b-d826e5f07b3a/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c [2019-11-26 02:22:33,347 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ebb53ac6-1ff8-45c8-835b-d826e5f07b3a/bin/ukojak/data/50d22c3f6/f8faa75e0bf1445baea345d72d7870d4/FLAG570c2f0cd [2019-11-26 02:22:33,362 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ebb53ac6-1ff8-45c8-835b-d826e5f07b3a/bin/ukojak/data/50d22c3f6/f8faa75e0bf1445baea345d72d7870d4 [2019-11-26 02:22:33,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:22:33,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:22:33,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:22:33,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:22:33,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:22:33,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:22:33" (1/1) ... [2019-11-26 02:22:33,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@257f9cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:33, skipping insertion in model container [2019-11-26 02:22:33,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:22:33" (1/1) ... [2019-11-26 02:22:33,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:22:33,400 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:22:33,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:22:33,572 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:22:33,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:22:33,656 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:22:33,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:33 WrapperNode [2019-11-26 02:22:33,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:22:33,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:22:33,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:22:33,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:22:33,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:33" (1/1) ... [2019-11-26 02:22:33,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:33" (1/1) ... [2019-11-26 02:22:33,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:22:33,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:22:33,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:22:33,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:22:33,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:33" (1/1) ... [2019-11-26 02:22:33,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:33" (1/1) ... [2019-11-26 02:22:33,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:33" (1/1) ... [2019-11-26 02:22:33,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:33" (1/1) ... [2019-11-26 02:22:33,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:33" (1/1) ... [2019-11-26 02:22:33,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:33" (1/1) ... [2019-11-26 02:22:33,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:33" (1/1) ... [2019-11-26 02:22:33,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:22:33,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:22:33,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:22:33,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:22:33,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ebb53ac6-1ff8-45c8-835b-d826e5f07b3a/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 02:22:33,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:22:33,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:22:34,014 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:22:34,014 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-26 02:22:34,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:22:34 BoogieIcfgContainer [2019-11-26 02:22:34,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:22:34,016 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:22:34,016 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:22:34,026 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:22:34,026 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:22:34" (1/1) ... [2019-11-26 02:22:34,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:22:34,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:22:34,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-11-26 02:22:34,086 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-11-26 02:22:34,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-26 02:22:34,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:22:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:22:34,239 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 02:22:34,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:22:34,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2019-11-26 02:22:34,295 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-11-26 02:22:34,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:22:34,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:22:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:22:34,342 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 02:22:34,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:22:34,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2019-11-26 02:22:34,408 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2019-11-26 02:22:34,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:22:34,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:22:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:22:34,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:22:34,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:22:34,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2019-11-26 02:22:34,654 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2019-11-26 02:22:34,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:22:34,655 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2019-11-26 02:22:34,662 INFO L765 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2019-11-26 02:22:34,688 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-26 02:22:34,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:22:34 ImpRootNode [2019-11-26 02:22:34,698 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:22:34,698 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:22:34,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:22:34,699 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:22:34,699 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:22:34" (3/4) ... [2019-11-26 02:22:34,702 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:22:34,713 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-26 02:22:34,713 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:22:34,714 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:22:34,760 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ebb53ac6-1ff8-45c8-835b-d826e5f07b3a/bin/ukojak/witness.graphml [2019-11-26 02:22:34,760 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:22:34,762 INFO L168 Benchmark]: Toolchain (without parser) took 1395.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:22:34,762 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:22:34,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -211.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:22:34,763 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:22:34,763 INFO L168 Benchmark]: Boogie Preprocessor took 23.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:22:34,764 INFO L168 Benchmark]: RCFGBuilder took 298.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:22:34,764 INFO L168 Benchmark]: CodeCheck took 681.96 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: 41.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:22:34,765 INFO L168 Benchmark]: Witness Printer took 61.50 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 02:22:34,767 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, 7 locations, 2 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 10 SDslu, 0 SDs, 0 SdLazy, 80 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 81 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 172 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: x <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 287.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -211.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 298.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. * CodeCheck took 681.96 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: 41.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 11.5 GB. * Witness Printer took 61.50 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. RESULT: Ultimate proved your program to be correct! Received shutdown request...