./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d78110d3-886d-46e2-9fbd-7f94ffc17cec/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d78110d3-886d-46e2-9fbd-7f94ffc17cec/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d78110d3-886d-46e2-9fbd-7f94ffc17cec/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d78110d3-886d-46e2-9fbd-7f94ffc17cec/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d78110d3-886d-46e2-9fbd-7f94ffc17cec/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d78110d3-886d-46e2-9fbd-7f94ffc17cec/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 f560e32afd5a40adf4a98abbf810cb377947c4f4 ..................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 12:19:04,611 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 12:19:04,612 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 12:19:04,618 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 12:19:04,618 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 12:19:04,618 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 12:19:04,619 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 12:19:04,620 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 12:19:04,620 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 12:19:04,621 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 12:19:04,621 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 12:19:04,622 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 12:19:04,622 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 12:19:04,623 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 12:19:04,623 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 12:19:04,623 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 12:19:04,624 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 12:19:04,625 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 12:19:04,626 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 12:19:04,626 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 12:19:04,627 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 12:19:04,627 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 12:19:04,628 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 12:19:04,629 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 12:19:04,629 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 12:19:04,629 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 12:19:04,630 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 12:19:04,630 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 12:19:04,630 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 12:19:04,631 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 12:19:04,631 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 12:19:04,631 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 12:19:04,632 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 12:19:04,632 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 12:19:04,632 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 12:19:04,632 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 12:19:04,633 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d78110d3-886d-46e2-9fbd-7f94ffc17cec/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-02 12:19:04,640 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 12:19:04,640 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 12:19:04,640 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 12:19:04,641 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 12:19:04,641 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 12:19:04,641 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 12:19:04,641 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 12:19:04,641 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 12:19:04,641 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 12:19:04,641 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 12:19:04,641 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 12:19:04,641 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 12:19:04,642 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 12:19:04,642 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-02 12:19:04,642 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 12:19:04,642 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 12:19:04,642 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 12:19:04,642 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 12:19:04,642 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 12:19:04,642 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 12:19:04,642 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 12:19:04,642 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 12:19:04,642 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 12:19:04,643 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 12:19:04,643 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 12:19:04,643 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 12:19:04,643 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 12:19:04,643 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 12:19:04,643 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_d78110d3-886d-46e2-9fbd-7f94ffc17cec/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 -> f560e32afd5a40adf4a98abbf810cb377947c4f4 [2018-12-02 12:19:04,659 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 12:19:04,666 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 12:19:04,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 12:19:04,669 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 12:19:04,669 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 12:19:04,670 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d78110d3-886d-46e2-9fbd-7f94ffc17cec/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4_true-termination_true-no-overflow.c [2018-12-02 12:19:04,704 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d78110d3-886d-46e2-9fbd-7f94ffc17cec/bin-2019/ukojak/data/981883eb5/b766772a0e5d442cacf35f45a830930d/FLAG93a42a08a [2018-12-02 12:19:05,116 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 12:19:05,117 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d78110d3-886d-46e2-9fbd-7f94ffc17cec/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4_true-termination_true-no-overflow.c [2018-12-02 12:19:05,120 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d78110d3-886d-46e2-9fbd-7f94ffc17cec/bin-2019/ukojak/data/981883eb5/b766772a0e5d442cacf35f45a830930d/FLAG93a42a08a [2018-12-02 12:19:05,128 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d78110d3-886d-46e2-9fbd-7f94ffc17cec/bin-2019/ukojak/data/981883eb5/b766772a0e5d442cacf35f45a830930d [2018-12-02 12:19:05,130 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 12:19:05,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 12:19:05,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 12:19:05,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 12:19:05,133 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 12:19:05,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:19:05" (1/1) ... [2018-12-02 12:19:05,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd2551a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05, skipping insertion in model container [2018-12-02 12:19:05,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:19:05" (1/1) ... [2018-12-02 12:19:05,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 12:19:05,147 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 12:19:05,227 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:19:05,229 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 12:19:05,238 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:19:05,245 INFO L195 MainTranslator]: Completed translation [2018-12-02 12:19:05,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05 WrapperNode [2018-12-02 12:19:05,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 12:19:05,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 12:19:05,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 12:19:05,246 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 12:19:05,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05" (1/1) ... [2018-12-02 12:19:05,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05" (1/1) ... [2018-12-02 12:19:05,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 12:19:05,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 12:19:05,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 12:19:05,265 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 12:19:05,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05" (1/1) ... [2018-12-02 12:19:05,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05" (1/1) ... [2018-12-02 12:19:05,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05" (1/1) ... [2018-12-02 12:19:05,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05" (1/1) ... [2018-12-02 12:19:05,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05" (1/1) ... [2018-12-02 12:19:05,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05" (1/1) ... [2018-12-02 12:19:05,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05" (1/1) ... [2018-12-02 12:19:05,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 12:19:05,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 12:19:05,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 12:19:05,276 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 12:19:05,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d78110d3-886d-46e2-9fbd-7f94ffc17cec/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 [2018-12-02 12:19:05,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 12:19:05,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 12:19:05,424 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 12:19:05,424 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-02 12:19:05,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:19:05 BoogieIcfgContainer [2018-12-02 12:19:05,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 12:19:05,425 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 12:19:05,425 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 12:19:05,432 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 12:19:05,432 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:19:05" (1/1) ... [2018-12-02 12:19:05,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:19:05,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:19:05,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-12-02 12:19:05,461 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-12-02 12:19:05,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 12:19:05,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:19:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:19:05,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:19:05,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:19:05,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2018-12-02 12:19:05,587 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2018-12-02 12:19:05,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 12:19:05,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:19:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:19:05,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:19:05,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:19:05,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2018-12-02 12:19:05,756 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2018-12-02 12:19:05,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 12:19:05,759 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:19:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:19:05,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:19:05,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:19:05,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 22 states and 36 transitions. [2018-12-02 12:19:05,884 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 36 transitions. [2018-12-02 12:19:05,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 12:19:05,884 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:19:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:19:05,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:19:05,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:19:05,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 21 states and 35 transitions. [2018-12-02 12:19:05,962 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 35 transitions. [2018-12-02 12:19:05,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 12:19:05,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:19:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:19:06,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:19:06,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:19:06,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2018-12-02 12:19:06,157 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2018-12-02 12:19:06,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 12:19:06,157 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:19:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:19:06,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:19:06,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:19:06,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 43 transitions. [2018-12-02 12:19:06,353 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 43 transitions. [2018-12-02 12:19:06,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 12:19:06,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:19:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:19:06,403 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:19:06,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:19:06,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 29 states and 53 transitions. [2018-12-02 12:19:06,787 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 53 transitions. [2018-12-02 12:19:06,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 12:19:06,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:19:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:19:06,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 12:19:06,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:19:06,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 55 transitions. [2018-12-02 12:19:06,957 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 55 transitions. [2018-12-02 12:19:06,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 12:19:06,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:19:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:19:06,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 12:19:07,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:19:07,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2018-12-02 12:19:07,022 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2018-12-02 12:19:07,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 12:19:07,022 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:19:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:19:07,072 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:19:07,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:19:07,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2018-12-02 12:19:07,295 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2018-12-02 12:19:07,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 12:19:07,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:19:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:19:07,307 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 12:19:07,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:19:07,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2018-12-02 12:19:07,392 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2018-12-02 12:19:07,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 12:19:07,393 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:19:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:19:07,401 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 12:19:07,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:19:07,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2018-12-02 12:19:07,497 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2018-12-02 12:19:07,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 12:19:07,497 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2018-12-02 12:19:07,502 INFO L779 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-12-02 12:19:07,555 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 12:19:07,557 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-02 12:19:07,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 12:19:07 ImpRootNode [2018-12-02 12:19:07,561 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 12:19:07,562 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 12:19:07,562 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 12:19:07,562 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 12:19:07,562 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:19:05" (3/4) ... [2018-12-02 12:19:07,564 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 12:19:07,570 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 12:19:07,570 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 12:19:07,570 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 12:19:07,595 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d78110d3-886d-46e2-9fbd-7f94ffc17cec/bin-2019/ukojak/witness.graphml [2018-12-02 12:19:07,595 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 12:19:07,596 INFO L168 Benchmark]: Toolchain (without parser) took 2465.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -162.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 12:19:07,596 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 12:19:07,597 INFO L168 Benchmark]: CACSL2BoogieTranslator took 115.03 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 12:19:07,597 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.22 ms. Allocated memory is still 1.0 GB. Free memory is still 951.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 12:19:07,597 INFO L168 Benchmark]: Boogie Preprocessor took 10.83 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 12:19:07,597 INFO L168 Benchmark]: RCFGBuilder took 148.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -129.6 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-02 12:19:07,598 INFO L168 Benchmark]: CodeCheck took 2136.84 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 43.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -50.4 MB). Peak memory consumption was 252.1 MB. Max. memory is 11.5 GB. [2018-12-02 12:19:07,598 INFO L168 Benchmark]: Witness Printer took 33.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. [2018-12-02 12:19:07,599 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, 16 locations, 4 error locations. SAFE Result, 2.0s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8192 SDtfs, 26506 SDslu, 8192 SDs, 0 SdLazy, 138386 SolverSat, 21448 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1130 GetRequests, 984 SyntacticMatches, 44 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4296 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 2611 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 30/40 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: 21]: 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: 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: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: ((2147483647 < m && i + 2 <= m) && i <= 2147483647) || ((m <= 2147483647 && 1 <= m) && i <= m + 2147483646) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 115.03 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 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 18.22 ms. Allocated memory is still 1.0 GB. Free memory is still 951.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.83 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 148.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -129.6 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * CodeCheck took 2136.84 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 43.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -50.4 MB). Peak memory consumption was 252.1 MB. Max. memory is 11.5 GB. * Witness Printer took 33.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...