./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label04_true-unreach-call.c --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_afd16e22-2ef0-4453-8a5f-8b9e9404068b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_afd16e22-2ef0-4453-8a5f-8b9e9404068b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_afd16e22-2ef0-4453-8a5f-8b9e9404068b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_afd16e22-2ef0-4453-8a5f-8b9e9404068b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label04_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_afd16e22-2ef0-4453-8a5f-8b9e9404068b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_afd16e22-2ef0-4453-8a5f-8b9e9404068b/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 5fd2482788fea6b43734c3f004d7ea7158b142e8 ............................................................................................................................................................................................................................................................. 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 14:07:57,351 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:07:57,352 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:07:57,360 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:07:57,360 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:07:57,360 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:07:57,361 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:07:57,362 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:07:57,363 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:07:57,363 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:07:57,364 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:07:57,364 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:07:57,365 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:07:57,366 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:07:57,366 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:07:57,367 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:07:57,367 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:07:57,368 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:07:57,370 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:07:57,370 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:07:57,371 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:07:57,372 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:07:57,373 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:07:57,374 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:07:57,374 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:07:57,375 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:07:57,375 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:07:57,375 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:07:57,376 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:07:57,377 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:07:57,377 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:07:57,377 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:07:57,378 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:07:57,378 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:07:57,378 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:07:57,379 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:07:57,379 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_afd16e22-2ef0-4453-8a5f-8b9e9404068b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 14:07:57,387 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:07:57,387 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:07:57,387 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:07:57,388 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 14:07:57,388 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:07:57,388 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:07:57,388 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:07:57,389 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:07:57,389 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:07:57,389 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:07:57,389 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:07:57,389 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:07:57,389 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:07:57,389 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:07:57,390 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:07:57,390 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:07:57,390 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:07:57,390 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:07:57,390 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 14:07:57,390 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 14:07:57,390 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:07:57,391 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:07:57,391 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 14:07:57,391 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:07:57,391 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:07:57,391 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:07:57,391 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 14:07:57,391 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:07:57,391 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:07:57,392 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_afd16e22-2ef0-4453-8a5f-8b9e9404068b/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 -> 5fd2482788fea6b43734c3f004d7ea7158b142e8 [2018-11-23 14:07:57,416 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:07:57,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:07:57,427 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:07:57,428 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:07:57,429 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:07:57,429 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_afd16e22-2ef0-4453-8a5f-8b9e9404068b/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label04_true-unreach-call.c [2018-11-23 14:07:57,471 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_afd16e22-2ef0-4453-8a5f-8b9e9404068b/bin-2019/ukojak/data/4ed6e52ad/43b789c5405e404586fb9e250554781e/FLAG3ef842ffa [2018-11-23 14:07:57,931 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:07:57,931 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_afd16e22-2ef0-4453-8a5f-8b9e9404068b/sv-benchmarks/c/eca-rers2012/Problem10_label04_true-unreach-call.c [2018-11-23 14:07:57,941 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_afd16e22-2ef0-4453-8a5f-8b9e9404068b/bin-2019/ukojak/data/4ed6e52ad/43b789c5405e404586fb9e250554781e/FLAG3ef842ffa [2018-11-23 14:07:58,448 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_afd16e22-2ef0-4453-8a5f-8b9e9404068b/bin-2019/ukojak/data/4ed6e52ad/43b789c5405e404586fb9e250554781e [2018-11-23 14:07:58,450 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:07:58,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:07:58,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:07:58,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:07:58,454 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:07:58,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:07:58" (1/1) ... [2018-11-23 14:07:58,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@108971e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:58, skipping insertion in model container [2018-11-23 14:07:58,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:07:58" (1/1) ... [2018-11-23 14:07:58,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:07:58,495 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:07:58,731 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:07:58,733 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:07:58,802 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:07:58,815 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:07:58,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:58 WrapperNode [2018-11-23 14:07:58,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:07:58,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:07:58,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:07:58,816 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:07:58,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:58" (1/1) ... [2018-11-23 14:07:58,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:58" (1/1) ... [2018-11-23 14:07:58,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:07:58,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:07:58,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:07:58,923 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:07:58,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:58" (1/1) ... [2018-11-23 14:07:58,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:58" (1/1) ... [2018-11-23 14:07:58,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:58" (1/1) ... [2018-11-23 14:07:58,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:58" (1/1) ... [2018-11-23 14:07:58,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:58" (1/1) ... [2018-11-23 14:07:58,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:58" (1/1) ... [2018-11-23 14:07:58,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:58" (1/1) ... [2018-11-23 14:07:58,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:07:58,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:07:58,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:07:58,970 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:07:58,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_afd16e22-2ef0-4453-8a5f-8b9e9404068b/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 14:07:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 14:07:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:07:59,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:09:44,991 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:09:44,991 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 14:09:44,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:09:44 BoogieIcfgContainer [2018-11-23 14:09:44,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:09:44,992 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 14:09:44,992 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 14:09:44,998 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 14:09:44,999 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:09:44" (1/1) ... [2018-11-23 14:09:45,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:09:45,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:09:45,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 14:09:45,028 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 14:09:45,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 14:09:45,030 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:09:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:09:45,218 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 14:09:45,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:09:45,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 14:09:45,286 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 14:09:45,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 14:09:45,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:09:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:09:45,590 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:09:46,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:09:46,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2018-11-23 14:09:46,405 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2018-11-23 14:09:46,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 14:09:46,407 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:09:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:09:46,760 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:09:57,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:09:57,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 48 transitions. [2018-11-23 14:09:57,182 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2018-11-23 14:09:57,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 14:09:57,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:09:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:09:57,425 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:09:57,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:09:57,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2018-11-23 14:09:57,588 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2018-11-23 14:09:57,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 14:09:57,589 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:09:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:09:58,176 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 14:09:59,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:09:59,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 44 states and 83 transitions. [2018-11-23 14:09:59,062 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2018-11-23 14:09:59,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 14:09:59,062 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:09:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:09:59,350 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 14:09:59,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:09:59,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 45 states and 83 transitions. [2018-11-23 14:09:59,448 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2018-11-23 14:09:59,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 14:09:59,448 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:09:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:09:59,635 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 14:09:59,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:09:59,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 47 states and 85 transitions. [2018-11-23 14:09:59,808 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2018-11-23 14:09:59,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 14:09:59,809 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:09:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:00,382 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 14:10:00,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:00,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 65 transitions. [2018-11-23 14:10:00,546 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 65 transitions. [2018-11-23 14:10:00,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:10:00,546 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-11-23 14:10:00,554 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 14:10:00,763 INFO L579 CodeCheckObserver]: Invariant with dag size 32 [2018-11-23 14:10:00,772 INFO L579 CodeCheckObserver]: Invariant with dag size 29 [2018-11-23 14:10:00,772 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:10:00,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 02:10:00 ImpRootNode [2018-11-23 14:10:00,773 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 14:10:00,774 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:10:00,774 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:10:00,774 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:10:00,775 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:09:44" (3/4) ... [2018-11-23 14:10:00,778 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:10:00,793 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 177 nodes and edges [2018-11-23 14:10:00,794 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 14:10:00,795 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 14:10:00,795 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 14:10:00,884 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_afd16e22-2ef0-4453-8a5f-8b9e9404068b/bin-2019/ukojak/witness.graphml [2018-11-23 14:10:00,884 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:10:00,884 INFO L168 Benchmark]: Toolchain (without parser) took 122433.59 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 237.0 MB). Free memory was 956.6 MB in the beginning and 986.0 MB in the end (delta: -29.4 MB). Peak memory consumption was 207.5 MB. Max. memory is 11.5 GB. [2018-11-23 14:10:00,886 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:10:00,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.46 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-23 14:10:00,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -193.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 14:10:00,887 INFO L168 Benchmark]: Boogie Preprocessor took 47.09 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:10:00,888 INFO L168 Benchmark]: RCFGBuilder took 106021.53 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.1 MB). Peak memory consumption was 362.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:10:00,888 INFO L168 Benchmark]: CodeCheck took 15781.22 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 61.3 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 97.8 MB). Peak memory consumption was 159.2 MB. Max. memory is 11.5 GB. [2018-11-23 14:10:00,888 INFO L168 Benchmark]: Witness Printer took 110.22 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 986.0 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:10:00,890 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, 206 locations, 1 error locations. SAFE Result, 15.5s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1612 SDtfs, 3262 SDslu, 2200 SDs, 0 SdLazy, 9878 SolverSat, 1436 SolverUnsat, 64 SolverUnknown, 0 SolverNotchecked, 67.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1101 GetRequests, 951 SyntacticMatches, 56 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5114 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 16232 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 60/122 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: 202]: 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: 582]: Loop Invariant Derived loop invariant: ((((a19 == 8 || a19 == 7) || 9 <= a19) || ((a12 == 0 && a4 == 14) && (39 <= a1 || a1 + 13 <= 0))) || ((a12 == 0 && !(a10 == 1)) && a4 == 14)) || ((!(a19 == 6) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a19 == 8 || a19 == 7) || 9 <= a19) || (((((38 < a1 || a19 <= 5) || !(a10 == 1)) || a1 + 13 <= 0) && a12 == 0) && a4 == 14) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 363.46 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 106.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -193.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.09 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 106021.53 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.1 MB). Peak memory consumption was 362.7 MB. Max. memory is 11.5 GB. * CodeCheck took 15781.22 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 61.3 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 97.8 MB). Peak memory consumption was 159.2 MB. Max. memory is 11.5 GB. * Witness Printer took 110.22 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 986.0 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...