./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5d346777-55b4-489f-bfdc-3546a839be51/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5d346777-55b4-489f-bfdc-3546a839be51/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5d346777-55b4-489f-bfdc-3546a839be51/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5d346777-55b4-489f-bfdc-3546a839be51/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5d346777-55b4-489f-bfdc-3546a839be51/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5d346777-55b4-489f-bfdc-3546a839be51/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 df3ddc93bc6339292c9158119f1fdb949bb8842d ................................................................................................................................................................................................................................................. 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 02:59:05,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:59:05,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:59:05,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:59:05,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:59:05,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:59:05,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:59:05,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:59:05,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:59:05,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:59:05,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:59:05,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:59:05,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:59:05,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:59:05,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:59:05,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:59:05,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:59:05,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:59:05,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:59:05,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:59:05,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:59:05,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:59:05,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:59:05,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:59:05,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:59:05,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:59:05,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:59:05,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:59:05,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:59:05,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:59:05,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:59:05,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:59:05,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:59:05,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:59:05,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:59:05,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:59:05,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:59:05,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:59:05,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:59:05,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:59:05,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:59:05,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5d346777-55b4-489f-bfdc-3546a839be51/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-26 02:59:05,904 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:59:05,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:59:05,905 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:59:05,905 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:59:05,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:59:05,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:59:05,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:59:05,912 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:59:05,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:59:05,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:59:05,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:59:05,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:59:05,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:59:05,913 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-26 02:59:05,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:59:05,913 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:59:05,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:59:05,913 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:59:05,914 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:59:05,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:59:05,914 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:59:05,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:59:05,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:59:05,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:59:05,915 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:59:05,915 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:59:05,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:59:05,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:59:05,915 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_5d346777-55b4-489f-bfdc-3546a839be51/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 -> df3ddc93bc6339292c9158119f1fdb949bb8842d [2019-11-26 02:59:06,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:59:06,093 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:59:06,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:59:06,098 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:59:06,098 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:59:06,099 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5d346777-55b4-489f-bfdc-3546a839be51/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a.c [2019-11-26 02:59:06,160 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5d346777-55b4-489f-bfdc-3546a839be51/bin/ukojak/data/6973fd4fb/b1e5f6c2d7194f25a63baa86f8513bfd/FLAG16aeebd7f [2019-11-26 02:59:06,529 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:59:06,529 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5d346777-55b4-489f-bfdc-3546a839be51/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a.c [2019-11-26 02:59:06,537 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5d346777-55b4-489f-bfdc-3546a839be51/bin/ukojak/data/6973fd4fb/b1e5f6c2d7194f25a63baa86f8513bfd/FLAG16aeebd7f [2019-11-26 02:59:06,954 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5d346777-55b4-489f-bfdc-3546a839be51/bin/ukojak/data/6973fd4fb/b1e5f6c2d7194f25a63baa86f8513bfd [2019-11-26 02:59:06,957 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:59:06,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:59:06,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:59:06,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:59:06,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:59:06,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:59:06" (1/1) ... [2019-11-26 02:59:06,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@331d1f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:06, skipping insertion in model container [2019-11-26 02:59:06,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:59:06" (1/1) ... [2019-11-26 02:59:06,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:59:06,987 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:59:07,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:59:07,115 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:59:07,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:59:07,209 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:59:07,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:07 WrapperNode [2019-11-26 02:59:07,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:59:07,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:59:07,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:59:07,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:59:07,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:07" (1/1) ... [2019-11-26 02:59:07,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:07" (1/1) ... [2019-11-26 02:59:07,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:59:07,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:59:07,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:59:07,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:59:07,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:07" (1/1) ... [2019-11-26 02:59:07,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:07" (1/1) ... [2019-11-26 02:59:07,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:07" (1/1) ... [2019-11-26 02:59:07,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:07" (1/1) ... [2019-11-26 02:59:07,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:07" (1/1) ... [2019-11-26 02:59:07,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:07" (1/1) ... [2019-11-26 02:59:07,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:07" (1/1) ... [2019-11-26 02:59:07,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:59:07,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:59:07,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:59:07,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:59:07,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5d346777-55b4-489f-bfdc-3546a839be51/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 02:59:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:59:07,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:59:07,549 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:59:07,549 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-26 02:59:07,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:59:07 BoogieIcfgContainer [2019-11-26 02:59:07,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:59:07,551 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:59:07,551 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:59:07,568 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:59:07,570 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:59:07" (1/1) ... [2019-11-26 02:59:07,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:59:07,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:59:07,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2019-11-26 02:59:07,623 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-11-26 02:59:07,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:59:07,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:59:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:59:07,738 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 02:59:07,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:59:07,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2019-11-26 02:59:07,781 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-11-26 02:59:07,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:59:07,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:59:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:59:07,805 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 02:59:07,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:59:07,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2019-11-26 02:59:07,863 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2019-11-26 02:59:07,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:59:07,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:59:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:59:07,884 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 02:59:08,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:59:08,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2019-11-26 02:59:08,012 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2019-11-26 02:59:08,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:59:08,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:59:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:59:08,052 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 02:59:08,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:59:08,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-11-26 02:59:08,097 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-11-26 02:59:08,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:59:08,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:59:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:59:08,130 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 02:59:08,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:59:08,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2019-11-26 02:59:08,164 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-11-26 02:59:08,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:59:08,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:59:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:59:08,191 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 02:59:08,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:59:08,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2019-11-26 02:59:08,268 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-11-26 02:59:08,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:59:08,268 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2019-11-26 02:59:08,277 INFO L765 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2019-11-26 02:59:08,320 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-11-26 02:59:08,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:59:08 ImpRootNode [2019-11-26 02:59:08,330 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:59:08,331 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:59:08,331 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:59:08,331 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:59:08,331 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:59:07" (3/4) ... [2019-11-26 02:59:08,334 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:59:08,343 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-26 02:59:08,344 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:59:08,344 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:59:08,382 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5d346777-55b4-489f-bfdc-3546a839be51/bin/ukojak/witness.graphml [2019-11-26 02:59:08,382 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:59:08,384 INFO L168 Benchmark]: Toolchain (without parser) took 1425.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -88.2 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:08,384 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:59:08,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:08,385 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.60 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 02:59:08,385 INFO L168 Benchmark]: Boogie Preprocessor took 16.44 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 02:59:08,386 INFO L168 Benchmark]: RCFGBuilder took 295.73 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:08,386 INFO L168 Benchmark]: CodeCheck took 779.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:08,387 INFO L168 Benchmark]: Witness Printer took 51.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:59:08,389 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, 12 locations, 4 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 7, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 224 SDtfs, 306 SDslu, 0 SDs, 0 SdLazy, 1164 SolverSat, 306 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 269 GetRequests, 243 SyntacticMatches, 8 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 378 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: x <= 2147483647 && 0 <= x + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 251.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.60 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 16.44 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. * RCFGBuilder took 295.73 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * CodeCheck took 779.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 11.5 GB. * Witness Printer took 51.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...