./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_81169ee5-10bf-4bec-a45e-c7ffb48eb5ba/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_81169ee5-10bf-4bec-a45e-c7ffb48eb5ba/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_81169ee5-10bf-4bec-a45e-c7ffb48eb5ba/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_81169ee5-10bf-4bec-a45e-c7ffb48eb5ba/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c -s /tmp/vcloud-vcloud-master/worker/working_dir_81169ee5-10bf-4bec-a45e-c7ffb48eb5ba/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_81169ee5-10bf-4bec-a45e-c7ffb48eb5ba/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 41d35d9d9785c70c81ceac96efa22b5a4097e6f4 ...................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:15:41,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:15:41,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:15:41,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:15:41,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:15:41,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:15:41,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:15:41,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:15:41,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:15:41,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:15:41,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:15:41,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:15:41,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:15:41,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:15:41,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:15:41,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:15:41,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:15:41,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:15:41,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:15:41,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:15:41,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:15:41,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:15:41,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:15:41,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:15:41,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:15:41,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:15:41,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:15:41,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:15:41,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:15:41,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:15:41,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:15:41,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:15:41,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:15:41,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:15:41,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:15:41,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:15:41,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:15:41,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:15:41,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:15:41,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:15:41,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:15:41,751 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_81169ee5-10bf-4bec-a45e-c7ffb48eb5ba/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-10-22 10:15:41,765 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:15:41,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:15:41,766 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:15:41,766 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:15:41,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:15:41,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:15:41,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:15:41,767 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 10:15:41,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:15:41,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:15:41,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:15:41,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:15:41,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:15:41,769 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-10-22 10:15:41,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:15:41,769 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:15:41,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:15:41,770 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:15:41,770 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:15:41,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:15:41,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:15:41,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:15:41,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:15:41,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:15:41,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:15:41,771 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:15:41,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:15:41,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:15:41,773 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/working_dir_81169ee5-10bf-4bec-a45e-c7ffb48eb5ba/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 -> 41d35d9d9785c70c81ceac96efa22b5a4097e6f4 [2019-10-22 10:15:41,799 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:15:41,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:15:41,813 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:15:41,814 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:15:41,814 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:15:41,815 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_81169ee5-10bf-4bec-a45e-c7ffb48eb5ba/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c [2019-10-22 10:15:41,861 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_81169ee5-10bf-4bec-a45e-c7ffb48eb5ba/bin/ukojak/data/c9102eb83/f16127f15b0f41de9d6fd555b4bedcc1/FLAG35bc685ed [2019-10-22 10:15:42,239 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:15:42,239 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_81169ee5-10bf-4bec-a45e-c7ffb48eb5ba/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c [2019-10-22 10:15:42,245 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_81169ee5-10bf-4bec-a45e-c7ffb48eb5ba/bin/ukojak/data/c9102eb83/f16127f15b0f41de9d6fd555b4bedcc1/FLAG35bc685ed [2019-10-22 10:15:42,255 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_81169ee5-10bf-4bec-a45e-c7ffb48eb5ba/bin/ukojak/data/c9102eb83/f16127f15b0f41de9d6fd555b4bedcc1 [2019-10-22 10:15:42,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:15:42,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:15:42,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:15:42,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:15:42,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:15:42,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:15:42" (1/1) ... [2019-10-22 10:15:42,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7464cab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:42, skipping insertion in model container [2019-10-22 10:15:42,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:15:42" (1/1) ... [2019-10-22 10:15:42,275 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:15:42,286 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:15:42,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:15:42,404 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:15:42,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:15:42,485 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:15:42,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:42 WrapperNode [2019-10-22 10:15:42,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:15:42,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:15:42,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:15:42,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:15:42,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:42" (1/1) ... [2019-10-22 10:15:42,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:42" (1/1) ... [2019-10-22 10:15:42,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:15:42,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:15:42,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:15:42,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:15:42,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:42" (1/1) ... [2019-10-22 10:15:42,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:42" (1/1) ... [2019-10-22 10:15:42,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:42" (1/1) ... [2019-10-22 10:15:42,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:42" (1/1) ... [2019-10-22 10:15:42,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:42" (1/1) ... [2019-10-22 10:15:42,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:42" (1/1) ... [2019-10-22 10:15:42,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:42" (1/1) ... [2019-10-22 10:15:42,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:15:42,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:15:42,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:15:42,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:15:42,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_81169ee5-10bf-4bec-a45e-c7ffb48eb5ba/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 [2019-10-22 10:15:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:15:42,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:15:42,832 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:15:42,832 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 10:15:42,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:42 BoogieIcfgContainer [2019-10-22 10:15:42,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:15:42,834 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:15:42,834 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:15:42,862 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:15:42,871 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:42" (1/1) ... [2019-10-22 10:15:42,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:15:42,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:42,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2019-10-22 10:15:42,940 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2019-10-22 10:15:42,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:15:42,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:43,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:43,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:43,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2019-10-22 10:15:43,162 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2019-10-22 10:15:43,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:15:43,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:43,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:43,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:43,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2019-10-22 10:15:43,277 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2019-10-22 10:15:43,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:15:43,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:43,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:43,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:43,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2019-10-22 10:15:43,451 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2019-10-22 10:15:43,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:15:43,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:43,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:43,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:43,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2019-10-22 10:15:43,629 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2019-10-22 10:15:43,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:15:43,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:43,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:43,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:43,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2019-10-22 10:15:43,917 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2019-10-22 10:15:43,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:15:43,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:43,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:44,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:44,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2019-10-22 10:15:44,242 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2019-10-22 10:15:44,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:15:44,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:44,292 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:44,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:44,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 68 transitions. [2019-10-22 10:15:44,378 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 68 transitions. [2019-10-22 10:15:44,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:15:44,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:44,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:15:44,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:44,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions. [2019-10-22 10:15:44,711 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2019-10-22 10:15:44,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:15:44,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:44,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:15:44,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:44,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 76 transitions. [2019-10-22 10:15:44,890 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2019-10-22 10:15:44,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:15:44,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:44,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:15:45,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:45,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2019-10-22 10:15:45,085 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2019-10-22 10:15:45,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:15:45,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:45,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:45,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:45,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2019-10-22 10:15:45,262 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2019-10-22 10:15:45,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:15:45,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:45,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:45,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:45,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 43 states and 76 transitions. [2019-10-22 10:15:45,386 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 76 transitions. [2019-10-22 10:15:45,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:15:45,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:45,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 10:15:45,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:45,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2019-10-22 10:15:45,590 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-10-22 10:15:45,591 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:15:45,591 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2019-10-22 10:15:45,599 INFO L771 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2019-10-22 10:15:45,653 INFO L575 CodeCheckObserver]: Invariant with dag size 8 [2019-10-22 10:15:45,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:15:45 ImpRootNode [2019-10-22 10:15:45,661 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:15:45,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:15:45,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:15:45,661 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:15:45,662 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:42" (3/4) ... [2019-10-22 10:15:45,665 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:15:45,672 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-10-22 10:15:45,672 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 10:15:45,672 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:15:45,716 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_81169ee5-10bf-4bec-a45e-c7ffb48eb5ba/bin/ukojak/witness.graphml [2019-10-22 10:15:45,716 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:15:45,718 INFO L168 Benchmark]: Toolchain (without parser) took 3459.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 204.5 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -136.7 MB). Peak memory consumption was 67.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:45,719 INFO L168 Benchmark]: CDTParser took 0.16 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. [2019-10-22 10:15:45,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -193.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:45,724 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.10 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. [2019-10-22 10:15:45,724 INFO L168 Benchmark]: Boogie Preprocessor took 16.82 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. [2019-10-22 10:15:45,724 INFO L168 Benchmark]: RCFGBuilder took 300.77 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: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:45,725 INFO L168 Benchmark]: CodeCheck took 2826.76 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.4 MB). Peak memory consumption was 88.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:45,725 INFO L168 Benchmark]: Witness Printer took 55.40 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: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:45,730 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, 17 locations, 6 error locations. Result: SAFE, OverallTime: 2.6s, OverallIterations: 14, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 45056 SDtfs, 64664 SDslu, 103464 SDs, 0 SdLazy, 174888 SolverSat, 33000 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1059 GetRequests, 926 SyntacticMatches, 35 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4618 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 1559 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 20/20 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: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (x <= 2147483647 && z <= 2147483647) && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 226.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -193.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.10 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 16.82 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 300.77 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: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * CodeCheck took 2826.76 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.4 MB). Peak memory consumption was 88.7 MB. Max. memory is 11.5 GB. * Witness Printer took 55.40 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: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...