./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label06_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e6d10c41-28f8-44bd-a667-64321d3f5363/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e6d10c41-28f8-44bd-a667-64321d3f5363/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e6d10c41-28f8-44bd-a667-64321d3f5363/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e6d10c41-28f8-44bd-a667-64321d3f5363/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label06_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e6d10c41-28f8-44bd-a667-64321d3f5363/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e6d10c41-28f8-44bd-a667-64321d3f5363/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 0d6d504be06c544abd3f98aa8e24c2240a31073b ............................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 17:48:55,343 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 17:48:55,344 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 17:48:55,351 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 17:48:55,351 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 17:48:55,351 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 17:48:55,352 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 17:48:55,353 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 17:48:55,354 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 17:48:55,354 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 17:48:55,355 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 17:48:55,355 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 17:48:55,355 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 17:48:55,356 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 17:48:55,356 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 17:48:55,357 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 17:48:55,357 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 17:48:55,358 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 17:48:55,359 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 17:48:55,360 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 17:48:55,360 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 17:48:55,361 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 17:48:55,362 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 17:48:55,362 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 17:48:55,362 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 17:48:55,363 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 17:48:55,363 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 17:48:55,363 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 17:48:55,364 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 17:48:55,364 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 17:48:55,365 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 17:48:55,365 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 17:48:55,365 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 17:48:55,365 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 17:48:55,366 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 17:48:55,366 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 17:48:55,366 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e6d10c41-28f8-44bd-a667-64321d3f5363/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 17:48:55,373 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 17:48:55,373 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 17:48:55,374 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 17:48:55,374 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 17:48:55,374 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 17:48:55,374 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 17:48:55,375 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 17:48:55,375 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 17:48:55,375 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 17:48:55,375 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 17:48:55,375 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 17:48:55,375 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 17:48:55,375 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 17:48:55,375 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 17:48:55,376 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 17:48:55,376 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 17:48:55,376 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 17:48:55,376 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 17:48:55,376 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 17:48:55,376 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 17:48:55,376 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 17:48:55,376 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 17:48:55,377 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 17:48:55,377 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 17:48:55,377 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 17:48:55,377 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 17:48:55,377 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 17:48:55,377 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 17:48:55,377 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 17:48:55,377 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_e6d10c41-28f8-44bd-a667-64321d3f5363/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 -> 0d6d504be06c544abd3f98aa8e24c2240a31073b [2018-12-01 17:48:55,395 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 17:48:55,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 17:48:55,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 17:48:55,408 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 17:48:55,409 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 17:48:55,409 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e6d10c41-28f8-44bd-a667-64321d3f5363/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label06_true-unreach-call_false-termination.c [2018-12-01 17:48:55,456 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6d10c41-28f8-44bd-a667-64321d3f5363/bin-2019/ukojak/data/eabeb9aad/d831ec0273624ddfb9213aae80546da5/FLAG55f90f8f3 [2018-12-01 17:48:55,882 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 17:48:55,883 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e6d10c41-28f8-44bd-a667-64321d3f5363/sv-benchmarks/c/eca-rers2012/Problem14_label06_true-unreach-call_false-termination.c [2018-12-01 17:48:55,890 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6d10c41-28f8-44bd-a667-64321d3f5363/bin-2019/ukojak/data/eabeb9aad/d831ec0273624ddfb9213aae80546da5/FLAG55f90f8f3 [2018-12-01 17:48:55,899 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e6d10c41-28f8-44bd-a667-64321d3f5363/bin-2019/ukojak/data/eabeb9aad/d831ec0273624ddfb9213aae80546da5 [2018-12-01 17:48:55,900 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 17:48:55,901 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 17:48:55,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 17:48:55,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 17:48:55,904 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 17:48:55,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:48:55" (1/1) ... [2018-12-01 17:48:55,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec9f2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:55, skipping insertion in model container [2018-12-01 17:48:55,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:48:55" (1/1) ... [2018-12-01 17:48:55,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 17:48:55,937 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 17:48:56,134 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:48:56,137 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 17:48:56,263 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:48:56,276 INFO L195 MainTranslator]: Completed translation [2018-12-01 17:48:56,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:56 WrapperNode [2018-12-01 17:48:56,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 17:48:56,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 17:48:56,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 17:48:56,278 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 17:48:56,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:56" (1/1) ... [2018-12-01 17:48:56,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:56" (1/1) ... [2018-12-01 17:48:56,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 17:48:56,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 17:48:56,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 17:48:56,330 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 17:48:56,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:56" (1/1) ... [2018-12-01 17:48:56,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:56" (1/1) ... [2018-12-01 17:48:56,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:56" (1/1) ... [2018-12-01 17:48:56,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:56" (1/1) ... [2018-12-01 17:48:56,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:56" (1/1) ... [2018-12-01 17:48:56,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:56" (1/1) ... [2018-12-01 17:48:56,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:56" (1/1) ... [2018-12-01 17:48:56,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 17:48:56,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 17:48:56,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 17:48:56,370 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 17:48:56,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6d10c41-28f8-44bd-a667-64321d3f5363/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 [2018-12-01 17:48:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 17:48:56,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 17:53:23,068 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 17:53:23,069 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 17:53:23,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:53:23 BoogieIcfgContainer [2018-12-01 17:53:23,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 17:53:23,069 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 17:53:23,069 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 17:53:23,076 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 17:53:23,076 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:53:23" (1/1) ... [2018-12-01 17:53:23,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:53:23,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:53:23,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-01 17:53:23,151 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-01 17:53:23,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 17:53:23,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:53:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:53:23,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:53:23,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:53:23,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-01 17:53:23,363 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-01 17:53:23,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 17:53:23,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:53:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:53:23,657 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:53:23,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:53:23,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2018-12-01 17:53:23,901 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2018-12-01 17:53:23,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 17:53:23,903 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:53:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:53:24,223 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:53:30,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:53:30,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2018-12-01 17:53:30,536 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2018-12-01 17:53:30,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 17:53:30,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:53:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:53:30,757 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:53:30,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:53:30,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2018-12-01 17:53:30,913 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2018-12-01 17:53:30,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 17:53:30,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:53:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:53:31,068 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:53:31,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:53:31,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 55 transitions. [2018-12-01 17:53:31,166 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 55 transitions. [2018-12-01 17:53:31,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 17:53:31,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:53:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:53:31,726 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:54:03,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:54:03,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 77 transitions. [2018-12-01 17:54:03,147 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2018-12-01 17:54:03,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 17:54:03,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:54:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:54:04,196 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 33 [2018-12-01 17:54:04,419 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 17:54:08,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:54:08,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 49 states and 96 transitions. [2018-12-01 17:54:08,171 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 96 transitions. [2018-12-01 17:54:08,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 17:54:08,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:54:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:54:08,703 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 17:54:09,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:54:09,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 41 states and 87 transitions. [2018-12-01 17:54:09,265 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2018-12-01 17:54:09,266 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 17:54:09,266 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-12-01 17:54:09,273 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 17:54:09,480 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 51 [2018-12-01 17:54:09,729 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2018-12-01 17:54:09,730 INFO L583 CodeCheckObserver]: Invariant with dag size 40 [2018-12-01 17:54:09,739 INFO L583 CodeCheckObserver]: Invariant with dag size 57 [2018-12-01 17:54:09,740 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 17:54:09,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:54:09 ImpRootNode [2018-12-01 17:54:09,741 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 17:54:09,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 17:54:09,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 17:54:09,742 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 17:54:09,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:53:23" (3/4) ... [2018-12-01 17:54:09,745 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 17:54:09,762 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2018-12-01 17:54:09,763 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-01 17:54:09,764 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-01 17:54:09,765 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 17:54:09,855 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e6d10c41-28f8-44bd-a667-64321d3f5363/bin-2019/ukojak/witness.graphml [2018-12-01 17:54:09,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 17:54:09,856 INFO L168 Benchmark]: Toolchain (without parser) took 313954.92 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 377.0 MB). Free memory was 949.5 MB in the beginning and 1.2 GB in the end (delta: -278.5 MB). Peak memory consumption was 98.4 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:09,856 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:54:09,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -190.4 MB). Peak memory consumption was 41.7 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:09,856 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.91 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: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:09,857 INFO L168 Benchmark]: Boogie Preprocessor took 39.77 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:09,857 INFO L168 Benchmark]: RCFGBuilder took 266698.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 768.5 MB in the end (delta: 354.5 MB). Peak memory consumption was 446.6 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:09,857 INFO L168 Benchmark]: CodeCheck took 46671.64 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 152.0 MB). Free memory was 768.5 MB in the beginning and 1.3 GB in the end (delta: -488.5 MB). Peak memory consumption was 59.8 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:09,858 INFO L168 Benchmark]: Witness Printer took 113.84 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:09,859 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, 245 locations, 1 error locations. SAFE Result, 46.1s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1560 SDtfs, 3028 SDslu, 2096 SDs, 0 SdLazy, 9922 SolverSat, 1706 SolverUnsat, 24 SolverUnknown, 0 SolverNotchecked, 133.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1167 GetRequests, 976 SyntacticMatches, 53 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11480 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 35220 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 8/126 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: 187]: 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: 880]: Loop Invariant Derived loop invariant: ((((((a15 == 8 && !(a21 == 7)) || (!(a15 == 8) && (a21 == 6 || !(5 == a15)))) || (((a21 == 7 || 10 == a21) || a21 == 9) && 5 == a15)) || 12 <= a12) || (a12 + 247124 <= 0 && !(a21 == 7))) || (!(a24 == 1) && a15 == 8)) || (0 <= a12 + 49 && a21 == 7) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((((((12 <= a12 || a21 == 7) || 10 == a21) || a21 == 9) && !(a21 == 6 || !(5 == a15))) || (!(a15 == 5) && !(a21 == 7))) || (a12 + 247124 <= 0 && !(a21 == 7))) || ((0 <= a12 + 49 && (((((2 == input || 4 == input) || 3 == input) || 6 == input) || 1 == input) || 5 == input)) && a21 == 7)) || (!((!(a21 == 6) && a24 == 1) && a12 + 49 <= 0) && (a21 == 6 || !(5 == a15)))) || (!(a15 == 5) && !(a15 == 8)) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 375.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -190.4 MB). Peak memory consumption was 41.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.91 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: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.77 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 266698.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 768.5 MB in the end (delta: 354.5 MB). Peak memory consumption was 446.6 MB. Max. memory is 11.5 GB. * CodeCheck took 46671.64 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 152.0 MB). Free memory was 768.5 MB in the beginning and 1.3 GB in the end (delta: -488.5 MB). Peak memory consumption was 59.8 MB. Max. memory is 11.5 GB. * Witness Printer took 113.84 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...