./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a1ec2d27-9633-487a-938c-b6b65b7cd665/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a1ec2d27-9633-487a-938c-b6b65b7cd665/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a1ec2d27-9633-487a-938c-b6b65b7cd665/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a1ec2d27-9633-487a-938c-b6b65b7cd665/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a1ec2d27-9633-487a-938c-b6b65b7cd665/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a1ec2d27-9633-487a-938c-b6b65b7cd665/bin-2019/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 0.1.23-5842f4b [2018-11-18 18:47:13,760 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:47:13,761 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:47:13,768 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:47:13,769 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:47:13,770 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:47:13,771 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:47:13,772 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:47:13,774 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:47:13,775 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:47:13,777 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:47:13,777 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:47:13,778 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:47:13,779 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:47:13,780 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:47:13,780 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:47:13,781 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:47:13,783 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:47:13,785 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:47:13,786 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:47:13,787 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:47:13,788 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:47:13,791 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:47:13,791 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:47:13,791 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:47:13,792 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:47:13,793 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:47:13,794 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:47:13,794 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:47:13,796 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:47:13,796 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:47:13,796 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:47:13,797 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:47:13,797 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:47:13,797 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:47:13,798 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:47:13,798 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a1ec2d27-9633-487a-938c-b6b65b7cd665/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 18:47:13,811 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:47:13,811 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:47:13,812 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:47:13,812 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:47:13,812 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:47:13,813 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:47:13,813 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:47:13,813 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 18:47:13,813 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:47:13,813 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:47:13,813 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:47:13,815 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:47:13,815 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:47:13,815 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 18:47:13,815 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:47:13,816 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:47:13,816 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:47:13,816 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:47:13,816 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:47:13,816 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:47:13,817 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:47:13,817 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:47:13,817 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:47:13,817 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:47:13,817 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:47:13,817 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 18:47:13,818 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:47:13,818 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:47:13,818 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_a1ec2d27-9633-487a-938c-b6b65b7cd665/bin-2019/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 [2018-11-18 18:47:13,850 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:47:13,861 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:47:13,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:47:13,865 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:47:13,866 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:47:13,866 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a1ec2d27-9633-487a-938c-b6b65b7cd665/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a_true-termination_true-no-overflow.c [2018-11-18 18:47:13,921 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1ec2d27-9633-487a-938c-b6b65b7cd665/bin-2019/ukojak/data/42cabd951/8ff5d7303bfc477eb5f12c5713a9fa0e/FLAG6525d9c58 [2018-11-18 18:47:14,284 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:47:14,285 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a1ec2d27-9633-487a-938c-b6b65b7cd665/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a_true-termination_true-no-overflow.c [2018-11-18 18:47:14,291 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1ec2d27-9633-487a-938c-b6b65b7cd665/bin-2019/ukojak/data/42cabd951/8ff5d7303bfc477eb5f12c5713a9fa0e/FLAG6525d9c58 [2018-11-18 18:47:14,303 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a1ec2d27-9633-487a-938c-b6b65b7cd665/bin-2019/ukojak/data/42cabd951/8ff5d7303bfc477eb5f12c5713a9fa0e [2018-11-18 18:47:14,306 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:47:14,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:47:14,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:47:14,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:47:14,310 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:47:14,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:47:14" (1/1) ... [2018-11-18 18:47:14,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4546e68c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:14, skipping insertion in model container [2018-11-18 18:47:14,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:47:14" (1/1) ... [2018-11-18 18:47:14,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:47:14,338 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:47:14,494 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:47:14,497 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:47:14,508 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:47:14,518 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:47:14,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:14 WrapperNode [2018-11-18 18:47:14,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:47:14,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:47:14,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:47:14,519 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:47:14,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:14" (1/1) ... [2018-11-18 18:47:14,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:14" (1/1) ... [2018-11-18 18:47:14,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:47:14,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:47:14,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:47:14,547 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:47:14,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:14" (1/1) ... [2018-11-18 18:47:14,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:14" (1/1) ... [2018-11-18 18:47:14,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:14" (1/1) ... [2018-11-18 18:47:14,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:14" (1/1) ... [2018-11-18 18:47:14,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:14" (1/1) ... [2018-11-18 18:47:14,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:14" (1/1) ... [2018-11-18 18:47:14,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:14" (1/1) ... [2018-11-18 18:47:14,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:47:14,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:47:14,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:47:14,560 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:47:14,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1ec2d27-9633-487a-938c-b6b65b7cd665/bin-2019/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 [2018-11-18 18:47:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:47:14,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:47:14,788 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:47:14,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:47:14 BoogieIcfgContainer [2018-11-18 18:47:14,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:47:14,789 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:47:14,789 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:47:14,797 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:47:14,797 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:47:14" (1/1) ... [2018-11-18 18:47:14,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:47:14,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:14,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-18 18:47:14,832 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-18 18:47:14,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 18:47:14,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:14,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:47:14,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:14,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-11-18 18:47:14,966 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-11-18 18:47:14,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 18:47:14,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:14,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:47:15,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:15,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2018-11-18 18:47:15,033 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2018-11-18 18:47:15,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 18:47:15,034 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:15,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:47:15,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:15,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2018-11-18 18:47:15,206 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2018-11-18 18:47:15,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 18:47:15,206 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:15,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:47:15,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:15,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-18 18:47:15,264 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-18 18:47:15,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 18:47:15,265 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:15,306 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:47:15,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:15,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-11-18 18:47:15,440 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-11-18 18:47:15,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 18:47:15,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:15,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:47:15,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:15,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-11-18 18:47:15,515 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-11-18 18:47:15,515 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 18:47:15,515 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-11-18 18:47:15,525 INFO L775 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-18 18:47:15,564 INFO L579 CodeCheckObserver]: Invariant with dag size 8 [2018-11-18 18:47:15,574 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:47:15,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 06:47:15 ImpRootNode [2018-11-18 18:47:15,575 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 18:47:15,575 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:47:15,575 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:47:15,575 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:47:15,576 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:47:14" (3/4) ... [2018-11-18 18:47:15,579 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 18:47:15,587 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 18:47:15,587 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 18:47:15,587 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 18:47:15,625 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a1ec2d27-9633-487a-938c-b6b65b7cd665/bin-2019/ukojak/witness.graphml [2018-11-18 18:47:15,625 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:47:15,626 INFO L168 Benchmark]: Toolchain (without parser) took 1319.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -115.1 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. [2018-11-18 18:47:15,627 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:47:15,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 211.44 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:47:15,628 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.98 ms. Allocated memory is still 1.0 GB. Free memory is still 943.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:47:15,629 INFO L168 Benchmark]: Boogie Preprocessor took 13.63 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:47:15,629 INFO L168 Benchmark]: RCFGBuilder took 228.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -202.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 18:47:15,630 INFO L168 Benchmark]: CodeCheck took 785.91 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:47:15,631 INFO L168 Benchmark]: Witness Printer took 49.98 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 18:47:15,635 INFO L336 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, 4 error locations. SAFE Result, 0.7s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 320 SDtfs, 420 SDslu, 128 SDs, 0 SdLazy, 1202 SolverSat, 306 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 328 GetRequests, 293 SyntacticMatches, 13 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 719 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 6/7 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 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 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 211.44 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.98 ms. Allocated memory is still 1.0 GB. Free memory is still 943.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.63 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 228.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -202.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 785.91 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * Witness Printer took 49.98 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...