./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label16_true-unreach-call.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_2caf8ca7-1f56-4f69-b1b4-c687018380cb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2caf8ca7-1f56-4f69-b1b4-c687018380cb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2caf8ca7-1f56-4f69-b1b4-c687018380cb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2caf8ca7-1f56-4f69-b1b4-c687018380cb/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label16_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2caf8ca7-1f56-4f69-b1b4-c687018380cb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2caf8ca7-1f56-4f69-b1b4-c687018380cb/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 2f6307005cb5c47af0b5fde9199b934ec7fee093 .............................................................................................................................................................................................................................................. 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 15:51:59,152 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 15:51:59,153 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 15:51:59,159 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 15:51:59,159 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 15:51:59,160 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 15:51:59,160 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 15:51:59,161 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 15:51:59,162 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 15:51:59,162 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 15:51:59,162 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 15:51:59,163 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 15:51:59,163 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 15:51:59,163 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 15:51:59,164 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 15:51:59,164 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 15:51:59,165 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 15:51:59,166 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 15:51:59,166 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 15:51:59,167 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 15:51:59,168 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 15:51:59,168 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 15:51:59,169 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 15:51:59,169 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 15:51:59,169 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 15:51:59,170 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 15:51:59,170 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 15:51:59,171 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 15:51:59,171 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 15:51:59,172 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 15:51:59,172 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 15:51:59,172 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 15:51:59,172 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 15:51:59,172 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 15:51:59,173 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 15:51:59,173 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 15:51:59,173 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2caf8ca7-1f56-4f69-b1b4-c687018380cb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 15:51:59,180 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 15:51:59,180 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 15:51:59,181 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 15:51:59,181 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 15:51:59,181 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 15:51:59,181 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 15:51:59,181 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 15:51:59,181 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 15:51:59,182 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 15:51:59,182 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 15:51:59,182 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 15:51:59,182 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 15:51:59,182 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 15:51:59,182 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 15:51:59,182 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 15:51:59,182 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 15:51:59,182 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 15:51:59,182 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 15:51:59,182 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 15:51:59,183 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 15:51:59,183 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 15:51:59,183 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 15:51:59,183 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 15:51:59,183 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 15:51:59,183 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 15:51:59,183 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 15:51:59,183 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 15:51:59,183 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 15:51:59,183 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 15:51:59,184 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_2caf8ca7-1f56-4f69-b1b4-c687018380cb/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 -> 2f6307005cb5c47af0b5fde9199b934ec7fee093 [2018-12-01 15:51:59,201 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 15:51:59,210 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 15:51:59,213 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 15:51:59,214 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 15:51:59,214 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 15:51:59,215 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2caf8ca7-1f56-4f69-b1b4-c687018380cb/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label16_true-unreach-call.c [2018-12-01 15:51:59,259 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2caf8ca7-1f56-4f69-b1b4-c687018380cb/bin-2019/ukojak/data/a14868500/4b640ab9d2474e83b233d47a0bdf2157/FLAGaaf90668a [2018-12-01 15:51:59,614 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 15:51:59,615 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2caf8ca7-1f56-4f69-b1b4-c687018380cb/sv-benchmarks/c/eca-rers2012/Problem10_label16_true-unreach-call.c [2018-12-01 15:51:59,621 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2caf8ca7-1f56-4f69-b1b4-c687018380cb/bin-2019/ukojak/data/a14868500/4b640ab9d2474e83b233d47a0bdf2157/FLAGaaf90668a [2018-12-01 15:51:59,630 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2caf8ca7-1f56-4f69-b1b4-c687018380cb/bin-2019/ukojak/data/a14868500/4b640ab9d2474e83b233d47a0bdf2157 [2018-12-01 15:51:59,632 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 15:51:59,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 15:51:59,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 15:51:59,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 15:51:59,635 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 15:51:59,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:51:59" (1/1) ... [2018-12-01 15:51:59,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf0b28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:59, skipping insertion in model container [2018-12-01 15:51:59,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:51:59" (1/1) ... [2018-12-01 15:51:59,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 15:51:59,667 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 15:51:59,846 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:51:59,849 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 15:51:59,967 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:51:59,980 INFO L195 MainTranslator]: Completed translation [2018-12-01 15:51:59,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:59 WrapperNode [2018-12-01 15:51:59,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 15:51:59,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 15:51:59,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 15:51:59,981 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 15:51:59,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:59" (1/1) ... [2018-12-01 15:52:00,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:59" (1/1) ... [2018-12-01 15:52:00,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 15:52:00,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 15:52:00,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 15:52:00,042 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 15:52:00,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:59" (1/1) ... [2018-12-01 15:52:00,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:59" (1/1) ... [2018-12-01 15:52:00,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:59" (1/1) ... [2018-12-01 15:52:00,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:59" (1/1) ... [2018-12-01 15:52:00,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:59" (1/1) ... [2018-12-01 15:52:00,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:59" (1/1) ... [2018-12-01 15:52:00,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:59" (1/1) ... [2018-12-01 15:52:00,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 15:52:00,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 15:52:00,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 15:52:00,092 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 15:52:00,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2caf8ca7-1f56-4f69-b1b4-c687018380cb/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 15:52:00,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 15:52:00,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 15:53:17,486 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 15:53:17,486 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 15:53:17,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:53:17 BoogieIcfgContainer [2018-12-01 15:53:17,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 15:53:17,486 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 15:53:17,487 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 15:53:17,495 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 15:53:17,495 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:53:17" (1/1) ... [2018-12-01 15:53:17,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:53:17,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:53:17,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-01 15:53:17,529 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-01 15:53:17,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 15:53:17,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:53:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:53:17,628 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 15:53:17,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:53:17,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-01 15:53:17,669 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-01 15:53:17,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 15:53:17,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:53:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:53:17,900 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 15:53:18,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:53:18,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2018-12-01 15:53:18,994 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2018-12-01 15:53:18,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 15:53:18,996 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:53:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:53:19,311 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 15:53:19,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:53:19,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2018-12-01 15:53:19,827 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2018-12-01 15:53:19,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 15:53:19,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:53:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:53:19,985 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 15:53:20,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:53:20,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2018-12-01 15:53:20,143 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2018-12-01 15:53:20,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 15:53:20,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:53:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:53:20,436 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 15:53:20,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:53:20,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2018-12-01 15:53:20,827 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2018-12-01 15:53:20,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 15:53:20,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:53:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:53:21,163 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 15:53:21,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:53:21,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 22 states and 36 transitions. [2018-12-01 15:53:21,638 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 36 transitions. [2018-12-01 15:53:21,638 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 15:53:21,638 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-12-01 15:53:21,644 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 15:53:21,777 INFO L583 CodeCheckObserver]: Invariant with dag size 22 [2018-12-01 15:53:21,785 INFO L583 CodeCheckObserver]: Invariant with dag size 21 [2018-12-01 15:53:21,786 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 15:53:21,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 03:53:21 ImpRootNode [2018-12-01 15:53:21,787 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 15:53:21,787 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 15:53:21,787 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 15:53:21,787 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 15:53:21,787 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:53:17" (3/4) ... [2018-12-01 15:53:21,789 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 15:53:21,800 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-12-01 15:53:21,800 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-01 15:53:21,801 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-01 15:53:21,801 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 15:53:21,873 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2caf8ca7-1f56-4f69-b1b4-c687018380cb/bin-2019/ukojak/witness.graphml [2018-12-01 15:53:21,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 15:53:21,873 INFO L168 Benchmark]: Toolchain (without parser) took 82241.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -98.4 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. [2018-12-01 15:53:21,874 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:53:21,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -151.3 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. [2018-12-01 15:53:21,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 15:53:21,875 INFO L168 Benchmark]: Boogie Preprocessor took 50.60 ms. Allocated memory is still 1.1 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. [2018-12-01 15:53:21,875 INFO L168 Benchmark]: RCFGBuilder took 77393.98 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 26.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.5 MB). Peak memory consumption was 322.9 MB. Max. memory is 11.5 GB. [2018-12-01 15:53:21,875 INFO L168 Benchmark]: CodeCheck took 4300.20 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 30.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -45.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:53:21,875 INFO L168 Benchmark]: Witness Printer took 85.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-12-01 15:53:21,876 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, 4.1s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 384 SDtfs, 776 SDslu, 512 SDs, 0 SdLazy, 2126 SolverSat, 314 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 745 GetRequests, 630 SyntacticMatches, 35 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3343 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 13884 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 36/80 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: 103]: 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: (((a1 + 333899 <= 0 || !(a10 == 4)) && a12 == 0) && a4 == 14) || ((!(a19 == 6) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((!(a19 == 6) || !(a10 == 4)) && a12 == 0) && a4 == 14) || ((a12 == 0 && a4 == 14) && 218 < a1) - 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 347.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -151.3 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.60 ms. Allocated memory is still 1.1 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 77393.98 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 26.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.5 MB). Peak memory consumption was 322.9 MB. Max. memory is 11.5 GB. * CodeCheck took 4300.20 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 30.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -45.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 85.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...