./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.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_c06b2566-95b4-4e42-ace9-b8a40d935138/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c06b2566-95b4-4e42-ace9-b8a40d935138/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c06b2566-95b4-4e42-ace9-b8a40d935138/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c06b2566-95b4-4e42-ace9-b8a40d935138/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c06b2566-95b4-4e42-ace9-b8a40d935138/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c06b2566-95b4-4e42-ace9-b8a40d935138/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 bc157475d6c321934f68f6b441d83c0582720461 ................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 02:48:32,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 02:48:32,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 02:48:32,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 02:48:32,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 02:48:32,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 02:48:32,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 02:48:32,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 02:48:32,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 02:48:32,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 02:48:32,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 02:48:32,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 02:48:32,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 02:48:32,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 02:48:32,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 02:48:32,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 02:48:32,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 02:48:32,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 02:48:32,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 02:48:32,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 02:48:32,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 02:48:32,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 02:48:32,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 02:48:32,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 02:48:32,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 02:48:32,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 02:48:32,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 02:48:32,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 02:48:32,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 02:48:32,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 02:48:32,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 02:48:32,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 02:48:32,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 02:48:32,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 02:48:32,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 02:48:32,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 02:48:32,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 02:48:32,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 02:48:32,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 02:48:32,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 02:48:32,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 02:48:32,335 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c06b2566-95b4-4e42-ace9-b8a40d935138/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-12-02 02:48:32,345 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 02:48:32,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 02:48:32,345 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 02:48:32,345 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 02:48:32,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 02:48:32,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 02:48:32,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 02:48:32,346 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-02 02:48:32,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 02:48:32,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 02:48:32,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 02:48:32,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 02:48:32,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 02:48:32,347 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-02 02:48:32,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 02:48:32,347 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 02:48:32,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 02:48:32,347 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 02:48:32,348 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 02:48:32,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 02:48:32,348 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 02:48:32,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 02:48:32,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 02:48:32,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 02:48:32,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 02:48:32,348 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 02:48:32,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 02:48:32,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 02:48:32,349 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_c06b2566-95b4-4e42-ace9-b8a40d935138/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 -> bc157475d6c321934f68f6b441d83c0582720461 [2019-12-02 02:48:32,447 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 02:48:32,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 02:48:32,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 02:48:32,458 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 02:48:32,459 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 02:48:32,459 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c06b2566-95b4-4e42-ace9-b8a40d935138/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2019-12-02 02:48:32,499 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c06b2566-95b4-4e42-ace9-b8a40d935138/bin/ukojak/data/0d8f5fd09/b9999b1006fe401a9e4a705d0d88ba94/FLAGcde7b581f [2019-12-02 02:48:32,869 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 02:48:32,869 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c06b2566-95b4-4e42-ace9-b8a40d935138/sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2019-12-02 02:48:32,873 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c06b2566-95b4-4e42-ace9-b8a40d935138/bin/ukojak/data/0d8f5fd09/b9999b1006fe401a9e4a705d0d88ba94/FLAGcde7b581f [2019-12-02 02:48:33,274 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c06b2566-95b4-4e42-ace9-b8a40d935138/bin/ukojak/data/0d8f5fd09/b9999b1006fe401a9e4a705d0d88ba94 [2019-12-02 02:48:33,276 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 02:48:33,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 02:48:33,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 02:48:33,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 02:48:33,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 02:48:33,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:48:33" (1/1) ... [2019-12-02 02:48:33,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75b2ae96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:33, skipping insertion in model container [2019-12-02 02:48:33,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:48:33" (1/1) ... [2019-12-02 02:48:33,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 02:48:33,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 02:48:33,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 02:48:33,402 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 02:48:33,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 02:48:33,453 INFO L208 MainTranslator]: Completed translation [2019-12-02 02:48:33,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:33 WrapperNode [2019-12-02 02:48:33,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 02:48:33,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 02:48:33,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 02:48:33,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 02:48:33,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:33" (1/1) ... [2019-12-02 02:48:33,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:33" (1/1) ... [2019-12-02 02:48:33,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 02:48:33,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 02:48:33,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 02:48:33,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 02:48:33,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:33" (1/1) ... [2019-12-02 02:48:33,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:33" (1/1) ... [2019-12-02 02:48:33,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:33" (1/1) ... [2019-12-02 02:48:33,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:33" (1/1) ... [2019-12-02 02:48:33,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:33" (1/1) ... [2019-12-02 02:48:33,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:33" (1/1) ... [2019-12-02 02:48:33,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:33" (1/1) ... [2019-12-02 02:48:33,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 02:48:33,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 02:48:33,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 02:48:33,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 02:48:33,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06b2566-95b4-4e42-ace9-b8a40d935138/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 [2019-12-02 02:48:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 02:48:33,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 02:48:33,645 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 02:48:33,645 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-02 02:48:33,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:48:33 BoogieIcfgContainer [2019-12-02 02:48:33,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 02:48:33,647 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 02:48:33,647 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 02:48:33,654 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 02:48:33,654 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:48:33" (1/1) ... [2019-12-02 02:48:33,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 02:48:33,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:48:33,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2019-12-02 02:48:33,683 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2019-12-02 02:48:33,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-02 02:48:33,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:48:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:48:33,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:48:33,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:48:33,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2019-12-02 02:48:33,811 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-12-02 02:48:33,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-02 02:48:33,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:48:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:48:33,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:48:33,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:48:33,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2019-12-02 02:48:33,853 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-12-02 02:48:33,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 02:48:33,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:48:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:48:33,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:48:33,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:48:33,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2019-12-02 02:48:33,929 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2019-12-02 02:48:33,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 02:48:33,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:48:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:48:33,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:48:34,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:48:34,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2019-12-02 02:48:34,015 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2019-12-02 02:48:34,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 02:48:34,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:48:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:48:34,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:48:34,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:48:34,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2019-12-02 02:48:34,180 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2019-12-02 02:48:34,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 02:48:34,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:48:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:48:34,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:48:34,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:48:34,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2019-12-02 02:48:34,306 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-12-02 02:48:34,306 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 02:48:34,307 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2019-12-02 02:48:34,313 INFO L765 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2019-12-02 02:48:34,335 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-12-02 02:48:34,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:48:34 ImpRootNode [2019-12-02 02:48:34,346 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 02:48:34,346 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 02:48:34,347 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 02:48:34,347 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 02:48:34,347 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:48:33" (3/4) ... [2019-12-02 02:48:34,350 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 02:48:34,357 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-02 02:48:34,358 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-02 02:48:34,358 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-02 02:48:34,387 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c06b2566-95b4-4e42-ace9-b8a40d935138/bin/ukojak/witness.graphml [2019-12-02 02:48:34,387 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 02:48:34,388 INFO L168 Benchmark]: Toolchain (without parser) took 1110.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 939.8 MB in the beginning and 958.5 MB in the end (delta: -18.7 MB). Peak memory consumption was 77.2 MB. Max. memory is 11.5 GB. [2019-12-02 02:48:34,389 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 02:48:34,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -153.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-02 02:48:34,389 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.32 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. [2019-12-02 02:48:34,390 INFO L168 Benchmark]: Boogie Preprocessor took 12.30 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. [2019-12-02 02:48:34,390 INFO L168 Benchmark]: RCFGBuilder took 155.68 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: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-12-02 02:48:34,391 INFO L168 Benchmark]: CodeCheck took 699.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 963.9 MB in the end (delta: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. [2019-12-02 02:48:34,391 INFO L168 Benchmark]: Witness Printer took 40.39 ms. Allocated memory is still 1.1 GB. Free memory was 963.9 MB in the beginning and 958.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-02 02:48:34,394 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, 13 locations, 4 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 7, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 128 SDtfs, 232 SDslu, 0 SDs, 0 SdLazy, 1052 SolverSat, 268 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 309 GetRequests, 266 SyntacticMatches, 13 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 940 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 0/6 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: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: 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: 17]: Loop Invariant Derived loop invariant: 0 <= x + 2147483648 && 0 == debug * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 175.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -153.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.32 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 12.30 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 155.68 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: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * CodeCheck took 699.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 963.9 MB in the end (delta: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. * Witness Printer took 40.39 ms. Allocated memory is still 1.1 GB. Free memory was 963.9 MB in the beginning and 958.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...