./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum_true-no-overflow_true-termination_true-valid-memsafety.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_966cc9d7-2aa4-4b4b-a20c-4fcca25760ae/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_966cc9d7-2aa4-4b4b-a20c-4fcca25760ae/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_966cc9d7-2aa4-4b4b-a20c-4fcca25760ae/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_966cc9d7-2aa4-4b4b-a20c-4fcca25760ae/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum_true-no-overflow_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_966cc9d7-2aa4-4b4b-a20c-4fcca25760ae/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_966cc9d7-2aa4-4b4b-a20c-4fcca25760ae/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 687269bb6882b72a3d48999f1e5c55a1d5283a94 ........................................................................................................................................................................................................................................................................................................... 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 11:39:29,555 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:39:29,556 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:39:29,562 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:39:29,563 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:39:29,563 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:39:29,564 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:39:29,565 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:39:29,566 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:39:29,567 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:39:29,568 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:39:29,568 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:39:29,568 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:39:29,569 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:39:29,569 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:39:29,570 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:39:29,571 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:39:29,571 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:39:29,573 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:39:29,574 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:39:29,574 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:39:29,575 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:39:29,577 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:39:29,577 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:39:29,577 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:39:29,578 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:39:29,579 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:39:29,580 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:39:29,580 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:39:29,581 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:39:29,581 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:39:29,581 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:39:29,581 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:39:29,582 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:39:29,583 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:39:29,583 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:39:29,583 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_966cc9d7-2aa4-4b4b-a20c-4fcca25760ae/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 11:39:29,593 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:39:29,593 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:39:29,594 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:39:29,594 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:39:29,595 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:39:29,595 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:39:29,595 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:39:29,595 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:39:29,595 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:39:29,595 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:39:29,595 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:39:29,595 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:39:29,596 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:39:29,596 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 11:39:29,596 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:39:29,596 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:39:29,596 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:39:29,596 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:39:29,596 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:39:29,597 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:39:29,597 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:39:29,597 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:39:29,597 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:39:29,597 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:39:29,597 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:39:29,597 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:39:29,597 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:39:29,598 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:39:29,600 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_966cc9d7-2aa4-4b4b-a20c-4fcca25760ae/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 -> 687269bb6882b72a3d48999f1e5c55a1d5283a94 [2018-11-18 11:39:29,625 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:39:29,633 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:39:29,636 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:39:29,637 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:39:29,637 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:39:29,638 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_966cc9d7-2aa4-4b4b-a20c-4fcca25760ae/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-18 11:39:29,686 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_966cc9d7-2aa4-4b4b-a20c-4fcca25760ae/bin-2019/ukojak/data/99ed59a0b/f90e4de459fc473482bb43c7c410c7d5/FLAG95de87c16 [2018-11-18 11:39:30,077 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:39:30,077 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_966cc9d7-2aa4-4b4b-a20c-4fcca25760ae/sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-18 11:39:30,081 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_966cc9d7-2aa4-4b4b-a20c-4fcca25760ae/bin-2019/ukojak/data/99ed59a0b/f90e4de459fc473482bb43c7c410c7d5/FLAG95de87c16 [2018-11-18 11:39:30,091 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_966cc9d7-2aa4-4b4b-a20c-4fcca25760ae/bin-2019/ukojak/data/99ed59a0b/f90e4de459fc473482bb43c7c410c7d5 [2018-11-18 11:39:30,094 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:39:30,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:39:30,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:39:30,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:39:30,098 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:39:30,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:39:30" (1/1) ... [2018-11-18 11:39:30,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@88e9939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:30, skipping insertion in model container [2018-11-18 11:39:30,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:39:30" (1/1) ... [2018-11-18 11:39:30,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:39:30,123 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:39:30,227 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:39:30,230 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:39:30,239 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:39:30,247 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:39:30,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:30 WrapperNode [2018-11-18 11:39:30,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:39:30,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:39:30,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:39:30,248 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:39:30,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:30" (1/1) ... [2018-11-18 11:39:30,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:30" (1/1) ... [2018-11-18 11:39:30,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:39:30,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:39:30,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:39:30,267 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:39:30,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:30" (1/1) ... [2018-11-18 11:39:30,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:30" (1/1) ... [2018-11-18 11:39:30,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:30" (1/1) ... [2018-11-18 11:39:30,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:30" (1/1) ... [2018-11-18 11:39:30,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:30" (1/1) ... [2018-11-18 11:39:30,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:30" (1/1) ... [2018-11-18 11:39:30,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:30" (1/1) ... [2018-11-18 11:39:30,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:39:30,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:39:30,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:39:30,280 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:39:30,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_966cc9d7-2aa4-4b4b-a20c-4fcca25760ae/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 11:39:30,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:39:30,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:39:30,476 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:39:30,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:39:30 BoogieIcfgContainer [2018-11-18 11:39:30,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:39:30,476 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:39:30,477 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:39:30,483 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:39:30,483 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:39:30" (1/1) ... [2018-11-18 11:39:30,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:39:30,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:39:30,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2018-11-18 11:39:30,512 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2018-11-18 11:39:30,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 11:39:30,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:39:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:39:30,608 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 11:39:30,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:39:30,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2018-11-18 11:39:30,652 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2018-11-18 11:39:30,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 11:39:30,652 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:39:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:39:30,673 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 11:39:30,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:39:30,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2018-11-18 11:39:30,750 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2018-11-18 11:39:30,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 11:39:30,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:39:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:39:30,762 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 11:39:30,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:39:30,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2018-11-18 11:39:30,793 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2018-11-18 11:39:30,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 11:39:30,794 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:39:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:39:30,805 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 11:39:30,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:39:30,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 53 transitions. [2018-11-18 11:39:30,829 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2018-11-18 11:39:30,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 11:39:30,829 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:39:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:39:30,854 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 11:39:30,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:39:30,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2018-11-18 11:39:30,948 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2018-11-18 11:39:30,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 11:39:30,949 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:39:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:39:30,972 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 11:39:31,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:39:31,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 44 states and 59 transitions. [2018-11-18 11:39:31,076 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2018-11-18 11:39:31,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 11:39:31,076 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:39:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:39:31,086 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 11:39:31,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:39:31,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2018-11-18 11:39:31,106 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2018-11-18 11:39:31,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 11:39:31,106 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:39:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:39:31,114 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 11:39:31,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:39:31,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 48 states and 65 transitions. [2018-11-18 11:39:31,130 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2018-11-18 11:39:31,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 11:39:31,133 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:39:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:39:31,183 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:39:31,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:39:31,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2018-11-18 11:39:31,219 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2018-11-18 11:39:31,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 11:39:31,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:39:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:39:31,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:39:31,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:39:31,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2018-11-18 11:39:31,258 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2018-11-18 11:39:31,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 11:39:31,258 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:39:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:39:31,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:39:31,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:39:31,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2018-11-18 11:39:31,325 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2018-11-18 11:39:31,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 11:39:31,325 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:39:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:39:31,335 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:39:31,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:39:31,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2018-11-18 11:39:31,343 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2018-11-18 11:39:31,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:39:31,344 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2018-11-18 11:39:31,352 INFO L775 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2018-11-18 11:39:31,458 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:39:31,460 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-18 11:39:31,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:39:31 ImpRootNode [2018-11-18 11:39:31,464 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:39:31,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:39:31,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:39:31,465 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:39:31,465 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:39:30" (3/4) ... [2018-11-18 11:39:31,467 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:39:31,474 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 11:39:31,474 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:39:31,474 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 11:39:31,507 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_966cc9d7-2aa4-4b4b-a20c-4fcca25760ae/bin-2019/ukojak/witness.graphml [2018-11-18 11:39:31,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:39:31,508 INFO L168 Benchmark]: Toolchain (without parser) took 1414.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 953.8 MB in the beginning and 1.0 GB in the end (delta: -52.7 MB). Peak memory consumption was 113.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:39:31,509 INFO L168 Benchmark]: CDTParser took 0.15 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 11:39:31,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 152.38 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 11:39:31,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.11 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 11:39:31,510 INFO L168 Benchmark]: Boogie Preprocessor took 12.34 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:39:31,511 INFO L168 Benchmark]: RCFGBuilder took 196.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -207.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:39:31,511 INFO L168 Benchmark]: CodeCheck took 988.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 137.8 MB). Peak memory consumption was 137.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:39:31,511 INFO L168 Benchmark]: Witness Printer took 42.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:39:31,513 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, 29 locations, 8 error locations. SAFE Result, 0.8s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16384 SDtfs, 40888 SDslu, 35372 SDs, 0 SdLazy, 95856 SolverSat, 17652 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 870 GetRequests, 806 SyntacticMatches, 34 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 2046 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 14/18 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: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: x <= 2147483647 * 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 152.38 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 19.11 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. * Boogie Preprocessor took 12.34 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 196.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -207.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * CodeCheck took 988.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 137.8 MB). Peak memory consumption was 137.8 MB. Max. memory is 11.5 GB. * Witness Printer took 42.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...