./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_51734e37-42fb-437b-8b39-e37599628ed8/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_51734e37-42fb-437b-8b39-e37599628ed8/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_51734e37-42fb-437b-8b39-e37599628ed8/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_51734e37-42fb-437b-8b39-e37599628ed8/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_51734e37-42fb-437b-8b39-e37599628ed8/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_51734e37-42fb-437b-8b39-e37599628ed8/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 0.1.25-f470102 [2019-12-01 19:41:56,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 19:41:56,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 19:41:56,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 19:41:56,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 19:41:56,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 19:41:56,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 19:41:56,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 19:41:56,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 19:41:56,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 19:41:56,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 19:41:56,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 19:41:56,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 19:41:56,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 19:41:56,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 19:41:56,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 19:41:56,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 19:41:56,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 19:41:56,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 19:41:56,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 19:41:56,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 19:41:56,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 19:41:56,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 19:41:56,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 19:41:56,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 19:41:56,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 19:41:56,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 19:41:56,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 19:41:56,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 19:41:56,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 19:41:56,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 19:41:56,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 19:41:56,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 19:41:56,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 19:41:56,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 19:41:56,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 19:41:56,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 19:41:56,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 19:41:56,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 19:41:56,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 19:41:56,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 19:41:56,771 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_51734e37-42fb-437b-8b39-e37599628ed8/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-12-01 19:41:56,784 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 19:41:56,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 19:41:56,785 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 19:41:56,785 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 19:41:56,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 19:41:56,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 19:41:56,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 19:41:56,786 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 19:41:56,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 19:41:56,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 19:41:56,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 19:41:56,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 19:41:56,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 19:41:56,787 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-01 19:41:56,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 19:41:56,788 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 19:41:56,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 19:41:56,788 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 19:41:56,788 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 19:41:56,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 19:41:56,789 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 19:41:56,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 19:41:56,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 19:41:56,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 19:41:56,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 19:41:56,790 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 19:41:56,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 19:41:56,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 19:41:56,790 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_51734e37-42fb-437b-8b39-e37599628ed8/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 [2019-12-01 19:41:56,900 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 19:41:56,910 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 19:41:56,913 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 19:41:56,914 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 19:41:56,914 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 19:41:56,915 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_51734e37-42fb-437b-8b39-e37599628ed8/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c [2019-12-01 19:41:56,956 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_51734e37-42fb-437b-8b39-e37599628ed8/bin/ukojak/data/ad74c1caf/103458b9f0bc4916bef22d02075f09da/FLAGd42a90049 [2019-12-01 19:41:57,306 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 19:41:57,306 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_51734e37-42fb-437b-8b39-e37599628ed8/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c [2019-12-01 19:41:57,310 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_51734e37-42fb-437b-8b39-e37599628ed8/bin/ukojak/data/ad74c1caf/103458b9f0bc4916bef22d02075f09da/FLAGd42a90049 [2019-12-01 19:41:57,748 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_51734e37-42fb-437b-8b39-e37599628ed8/bin/ukojak/data/ad74c1caf/103458b9f0bc4916bef22d02075f09da [2019-12-01 19:41:57,751 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 19:41:57,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 19:41:57,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 19:41:57,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 19:41:57,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 19:41:57,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:41:57" (1/1) ... [2019-12-01 19:41:57,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35731e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:41:57, skipping insertion in model container [2019-12-01 19:41:57,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:41:57" (1/1) ... [2019-12-01 19:41:57,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 19:41:57,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 19:41:57,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 19:41:57,886 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 19:41:57,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 19:41:57,937 INFO L208 MainTranslator]: Completed translation [2019-12-01 19:41:57,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:41:57 WrapperNode [2019-12-01 19:41:57,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 19:41:57,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 19:41:57,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 19:41:57,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 19:41:57,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:41:57" (1/1) ... [2019-12-01 19:41:57,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:41:57" (1/1) ... [2019-12-01 19:41:57,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 19:41:57,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 19:41:57,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 19:41:57,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 19:41:57,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:41:57" (1/1) ... [2019-12-01 19:41:57,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:41:57" (1/1) ... [2019-12-01 19:41:57,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:41:57" (1/1) ... [2019-12-01 19:41:57,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:41:57" (1/1) ... [2019-12-01 19:41:57,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:41:57" (1/1) ... [2019-12-01 19:41:57,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:41:57" (1/1) ... [2019-12-01 19:41:57,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:41:57" (1/1) ... [2019-12-01 19:41:57,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 19:41:57,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 19:41:57,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 19:41:57,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 19:41:57,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:41:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51734e37-42fb-437b-8b39-e37599628ed8/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 [2019-12-01 19:41:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 19:41:58,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 19:41:58,157 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 19:41:58,157 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-01 19:41:58,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:41:58 BoogieIcfgContainer [2019-12-01 19:41:58,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 19:41:58,159 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 19:41:58,159 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 19:41:58,166 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 19:41:58,166 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:41:58" (1/1) ... [2019-12-01 19:41:58,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 19:41:58,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:41:58,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2019-12-01 19:41:58,196 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2019-12-01 19:41:58,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 19:41:58,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:41:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:41:58,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:41:58,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:41:58,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2019-12-01 19:41:58,326 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2019-12-01 19:41:58,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 19:41:58,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:41:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:41:58,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:41:58,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:41:58,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2019-12-01 19:41:58,406 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2019-12-01 19:41:58,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 19:41:58,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:41:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:41:58,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:41:58,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:41:58,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2019-12-01 19:41:58,534 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2019-12-01 19:41:58,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 19:41:58,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:41:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:41:58,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:41:58,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:41:58,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2019-12-01 19:41:58,665 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2019-12-01 19:41:58,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 19:41:58,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:41:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:41:58,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:41:58,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:41:58,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2019-12-01 19:41:58,867 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2019-12-01 19:41:58,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 19:41:58,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:41:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:41:58,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:41:59,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:41:59,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2019-12-01 19:41:59,105 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2019-12-01 19:41:59,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 19:41:59,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:41:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:41:59,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:41:59,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:41:59,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 68 transitions. [2019-12-01 19:41:59,193 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 68 transitions. [2019-12-01 19:41:59,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 19:41:59,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:41:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:41:59,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 19:41:59,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:41:59,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions. [2019-12-01 19:41:59,429 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2019-12-01 19:41:59,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 19:41:59,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:41:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:41:59,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 19:41:59,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:41:59,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 76 transitions. [2019-12-01 19:41:59,569 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2019-12-01 19:41:59,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 19:41:59,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:41:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:41:59,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 19:41:59,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:41:59,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2019-12-01 19:41:59,693 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2019-12-01 19:41:59,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 19:41:59,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:41:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:41:59,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:41:59,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:41:59,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2019-12-01 19:41:59,823 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2019-12-01 19:41:59,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 19:41:59,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:41:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:41:59,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:41:59,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:41:59,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 43 states and 76 transitions. [2019-12-01 19:41:59,912 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 76 transitions. [2019-12-01 19:41:59,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 19:41:59,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:41:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:41:59,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 19:42:00,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:42:00,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2019-12-01 19:42:00,064 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-12-01 19:42:00,064 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 19:42:00,065 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2019-12-01 19:42:00,072 INFO L765 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2019-12-01 19:42:00,111 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-12-01 19:42:00,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 07:42:00 ImpRootNode [2019-12-01 19:42:00,118 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 19:42:00,118 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 19:42:00,118 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 19:42:00,119 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 19:42:00,119 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:41:58" (3/4) ... [2019-12-01 19:42:00,121 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 19:42:00,127 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-01 19:42:00,128 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-01 19:42:00,128 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 19:42:00,161 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_51734e37-42fb-437b-8b39-e37599628ed8/bin/ukojak/witness.graphml [2019-12-01 19:42:00,162 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 19:42:00,163 INFO L168 Benchmark]: Toolchain (without parser) took 2410.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 939.4 MB in the beginning and 907.1 MB in the end (delta: 32.3 MB). Peak memory consumption was 124.6 MB. Max. memory is 11.5 GB. [2019-12-01 19:42:00,163 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 19:42:00,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-01 19:42:00,164 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 19:42:00,164 INFO L168 Benchmark]: Boogie Preprocessor took 13.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 19:42:00,164 INFO L168 Benchmark]: RCFGBuilder took 184.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-01 19:42:00,165 INFO L168 Benchmark]: CodeCheck took 1959.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 908.8 MB in the end (delta: 160.3 MB). Peak memory consumption was 160.3 MB. Max. memory is 11.5 GB. [2019-12-01 19:42:00,165 INFO L168 Benchmark]: Witness Printer took 43.36 ms. Allocated memory is still 1.1 GB. Free memory was 908.8 MB in the beginning and 907.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-12-01 19:42:00,166 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: 1.8s, 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, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1059 GetRequests, 926 SyntacticMatches, 35 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4618 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s 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: 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: 27]: 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: 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 - 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 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 184.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 184.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * CodeCheck took 1959.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 908.8 MB in the end (delta: 160.3 MB). Peak memory consumption was 160.3 MB. Max. memory is 11.5 GB. * Witness Printer took 43.36 ms. Allocated memory is still 1.1 GB. Free memory was 908.8 MB in the beginning and 907.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...