./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ad25d9d4-1073-4e9b-89a8-291853e16c8b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ad25d9d4-1073-4e9b-89a8-291853e16c8b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ad25d9d4-1073-4e9b-89a8-291853e16c8b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ad25d9d4-1073-4e9b-89a8-291853e16c8b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ad25d9d4-1073-4e9b-89a8-291853e16c8b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ad25d9d4-1073-4e9b-89a8-291853e16c8b/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77e92a11a4549a6f714898b45c2d349723607a29 .................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:29:20,457 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:29:20,458 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:29:20,464 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:29:20,464 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:29:20,465 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:29:20,466 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:29:20,468 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:29:20,469 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:29:20,470 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:29:20,470 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:29:20,471 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:29:20,471 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:29:20,472 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:29:20,473 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:29:20,474 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:29:20,474 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:29:20,476 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:29:20,477 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:29:20,478 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:29:20,479 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:29:20,480 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:29:20,482 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:29:20,482 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:29:20,482 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:29:20,483 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:29:20,483 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:29:20,484 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:29:20,485 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:29:20,485 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:29:20,486 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:29:20,486 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:29:20,486 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:29:20,486 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:29:20,487 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:29:20,488 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:29:20,488 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ad25d9d4-1073-4e9b-89a8-291853e16c8b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 13:29:20,499 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:29:20,499 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:29:20,499 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:29:20,500 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 13:29:20,500 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:29:20,500 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:29:20,500 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:29:20,501 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:29:20,501 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:29:20,501 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:29:20,501 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:29:20,501 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:29:20,501 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:29:20,501 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:29:20,502 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:29:20,502 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:29:20,502 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:29:20,502 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:29:20,502 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 13:29:20,502 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 13:29:20,502 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:29:20,503 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:29:20,503 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 13:29:20,503 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:29:20,503 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:29:20,503 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:29:20,503 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 13:29:20,504 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:29:20,504 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:29:20,504 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_ad25d9d4-1073-4e9b-89a8-291853e16c8b/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 ! call(__VERIFIER_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77e92a11a4549a6f714898b45c2d349723607a29 [2018-11-23 13:29:20,524 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:29:20,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:29:20,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:29:20,534 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:29:20,534 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:29:20,535 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ad25d9d4-1073-4e9b-89a8-291853e16c8b/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-11-23 13:29:20,570 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ad25d9d4-1073-4e9b-89a8-291853e16c8b/bin-2019/ukojak/data/638d33e55/c358b364fefe4b1e8e145810f890d941/FLAG92f0d261b [2018-11-23 13:29:20,964 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:29:20,965 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ad25d9d4-1073-4e9b-89a8-291853e16c8b/sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-11-23 13:29:20,969 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ad25d9d4-1073-4e9b-89a8-291853e16c8b/bin-2019/ukojak/data/638d33e55/c358b364fefe4b1e8e145810f890d941/FLAG92f0d261b [2018-11-23 13:29:20,977 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ad25d9d4-1073-4e9b-89a8-291853e16c8b/bin-2019/ukojak/data/638d33e55/c358b364fefe4b1e8e145810f890d941 [2018-11-23 13:29:20,978 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:29:20,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:29:20,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:29:20,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:29:20,983 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:29:20,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:29:20" (1/1) ... [2018-11-23 13:29:20,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337624aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:20, skipping insertion in model container [2018-11-23 13:29:20,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:29:20" (1/1) ... [2018-11-23 13:29:20,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:29:21,002 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:29:21,105 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:29:21,107 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:29:21,117 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:29:21,125 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:29:21,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:21 WrapperNode [2018-11-23 13:29:21,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:29:21,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:29:21,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:29:21,126 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:29:21,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:21" (1/1) ... [2018-11-23 13:29:21,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:21" (1/1) ... [2018-11-23 13:29:21,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:29:21,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:29:21,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:29:21,144 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:29:21,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:21" (1/1) ... [2018-11-23 13:29:21,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:21" (1/1) ... [2018-11-23 13:29:21,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:21" (1/1) ... [2018-11-23 13:29:21,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:21" (1/1) ... [2018-11-23 13:29:21,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:21" (1/1) ... [2018-11-23 13:29:21,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:21" (1/1) ... [2018-11-23 13:29:21,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:21" (1/1) ... [2018-11-23 13:29:21,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:29:21,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:29:21,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:29:21,157 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:29:21,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ad25d9d4-1073-4e9b-89a8-291853e16c8b/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 [2018-11-23 13:29:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:29:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:29:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 13:29:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 13:29:21,355 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:29:21,355 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-23 13:29:21,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:21 BoogieIcfgContainer [2018-11-23 13:29:21,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:29:21,356 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 13:29:21,356 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 13:29:21,363 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 13:29:21,363 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:21" (1/1) ... [2018-11-23 13:29:21,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:29:21,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:29:21,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2018-11-23 13:29:21,395 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2018-11-23 13:29:21,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 13:29:21,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:29:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:29:21,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:29:21,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:29:21,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2018-11-23 13:29:21,618 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2018-11-23 13:29:21,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 13:29:21,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:29:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:29:21,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:29:22,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:29:22,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 47 transitions. [2018-11-23 13:29:22,187 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2018-11-23 13:29:22,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 13:29:22,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:29:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:29:22,247 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 13:29:22,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:29:22,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 50 transitions. [2018-11-23 13:29:22,374 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2018-11-23 13:29:22,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 13:29:22,374 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:29:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:29:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 13:29:23,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:29:23,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 36 states and 69 transitions. [2018-11-23 13:29:23,150 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2018-11-23 13:29:23,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 13:29:23,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:29:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:29:23,177 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 11 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 13:29:23,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:29:23,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 33 states and 55 transitions. [2018-11-23 13:29:23,290 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2018-11-23 13:29:23,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 13:29:23,291 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:29:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:29:23,321 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-23 13:29:23,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:29:23,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 22 states and 36 transitions. [2018-11-23 13:29:23,546 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 36 transitions. [2018-11-23 13:29:23,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:29:23,547 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-11-23 13:29:23,553 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 13:29:23,590 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 13:29:23,592 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 13:29:23,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:29:23 ImpRootNode [2018-11-23 13:29:23,593 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 13:29:23,593 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:29:23,593 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:29:23,593 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:29:23,593 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:21" (3/4) ... [2018-11-23 13:29:23,596 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:29:23,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 13:29:23,602 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 13:29:23,603 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 13:29:23,636 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ad25d9d4-1073-4e9b-89a8-291853e16c8b/bin-2019/ukojak/witness.graphml [2018-11-23 13:29:23,636 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:29:23,637 INFO L168 Benchmark]: Toolchain (without parser) took 2658.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.8 MB). Free memory was 959.1 MB in the beginning and 1.0 GB in the end (delta: -66.8 MB). Peak memory consumption was 145.0 MB. Max. memory is 11.5 GB. [2018-11-23 13:29:23,638 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:29:23,639 INFO L168 Benchmark]: CACSL2BoogieTranslator took 145.55 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:29:23,639 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.09 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:29:23,639 INFO L168 Benchmark]: Boogie Preprocessor took 12.25 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:29:23,639 INFO L168 Benchmark]: RCFGBuilder took 198.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-11-23 13:29:23,642 INFO L168 Benchmark]: CodeCheck took 2236.93 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 109.2 MB). Peak memory consumption was 166.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:29:23,642 INFO L168 Benchmark]: Witness Printer took 43.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:29:23,644 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 2 procedures, 23 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1088 SDtfs, 484 SDslu, 320 SDs, 0 SdLazy, 3260 SolverSat, 992 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1362 GetRequests, 1262 SyntacticMatches, 16 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2130 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 171 NumberOfCodeBlocks, 171 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 14711 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 91/133 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: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 145.55 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 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 18.09 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.25 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 198.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * CodeCheck took 2236.93 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 109.2 MB). Peak memory consumption was 166.3 MB. Max. memory is 11.5 GB. * Witness Printer took 43.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...