./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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4dff65d2-8ae7-4f80-acf6-a9a4c3624012/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4dff65d2-8ae7-4f80-acf6-a9a4c3624012/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4dff65d2-8ae7-4f80-acf6-a9a4c3624012/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4dff65d2-8ae7-4f80-acf6-a9a4c3624012/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_4dff65d2-8ae7-4f80-acf6-a9a4c3624012/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4dff65d2-8ae7-4f80-acf6-a9a4c3624012/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-aa41828 [2018-11-23 08:57:53,138 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:57:53,139 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:57:53,145 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:57:53,145 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:57:53,146 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:57:53,147 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:57:53,147 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:57:53,148 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:57:53,149 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:57:53,149 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:57:53,149 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:57:53,150 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:57:53,150 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:57:53,151 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:57:53,152 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:57:53,152 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:57:53,153 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:57:53,155 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:57:53,156 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:57:53,156 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:57:53,157 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:57:53,159 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:57:53,159 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:57:53,159 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:57:53,160 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:57:53,161 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:57:53,161 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:57:53,162 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:57:53,162 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:57:53,163 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:57:53,163 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:57:53,163 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:57:53,163 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:57:53,164 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:57:53,164 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:57:53,165 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4dff65d2-8ae7-4f80-acf6-a9a4c3624012/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 08:57:53,175 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:57:53,175 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:57:53,176 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:57:53,176 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 08:57:53,176 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:57:53,176 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:57:53,177 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:57:53,177 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:57:53,177 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:57:53,177 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:57:53,177 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:57:53,177 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:57:53,177 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:57:53,177 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:57:53,178 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:57:53,178 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:57:53,178 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:57:53,178 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:57:53,178 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 08:57:53,178 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 08:57:53,178 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:57:53,179 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:57:53,179 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 08:57:53,179 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:57:53,179 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:57:53,179 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:57:53,179 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 08:57:53,179 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:57:53,179 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:57:53,179 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_4dff65d2-8ae7-4f80-acf6-a9a4c3624012/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 [2018-11-23 08:57:53,200 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:57:53,208 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:57:53,210 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:57:53,211 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:57:53,211 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:57:53,212 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4dff65d2-8ae7-4f80-acf6-a9a4c3624012/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label16_true-unreach-call.c [2018-11-23 08:57:53,246 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4dff65d2-8ae7-4f80-acf6-a9a4c3624012/bin-2019/ukojak/data/a1a2ba897/ecb152a7d4914c2aa44c483b5150e11e/FLAG29f4d97dd [2018-11-23 08:57:53,709 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:57:53,709 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4dff65d2-8ae7-4f80-acf6-a9a4c3624012/sv-benchmarks/c/eca-rers2012/Problem10_label16_true-unreach-call.c [2018-11-23 08:57:53,719 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4dff65d2-8ae7-4f80-acf6-a9a4c3624012/bin-2019/ukojak/data/a1a2ba897/ecb152a7d4914c2aa44c483b5150e11e/FLAG29f4d97dd [2018-11-23 08:57:53,731 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4dff65d2-8ae7-4f80-acf6-a9a4c3624012/bin-2019/ukojak/data/a1a2ba897/ecb152a7d4914c2aa44c483b5150e11e [2018-11-23 08:57:53,733 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:57:53,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:57:53,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:57:53,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:57:53,738 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:57:53,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:57:53" (1/1) ... [2018-11-23 08:57:53,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb4fcbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:53, skipping insertion in model container [2018-11-23 08:57:53,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:57:53" (1/1) ... [2018-11-23 08:57:53,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:57:53,779 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:57:54,022 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:57:54,025 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:57:54,093 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:57:54,103 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:57:54,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:54 WrapperNode [2018-11-23 08:57:54,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:57:54,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:57:54,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:57:54,104 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:57:54,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:54" (1/1) ... [2018-11-23 08:57:54,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:54" (1/1) ... [2018-11-23 08:57:54,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:57:54,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:57:54,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:57:54,214 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:57:54,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:54" (1/1) ... [2018-11-23 08:57:54,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:54" (1/1) ... [2018-11-23 08:57:54,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:54" (1/1) ... [2018-11-23 08:57:54,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:54" (1/1) ... [2018-11-23 08:57:54,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:54" (1/1) ... [2018-11-23 08:57:54,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:54" (1/1) ... [2018-11-23 08:57:54,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:54" (1/1) ... [2018-11-23 08:57:54,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:57:54,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:57:54,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:57:54,269 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:57:54,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:57:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4dff65d2-8ae7-4f80-acf6-a9a4c3624012/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 08:57:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 08:57:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:57:54,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:59:10,918 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:59:10,918 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 08:59:10,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:59:10 BoogieIcfgContainer [2018-11-23 08:59:10,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:59:10,919 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 08:59:10,919 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 08:59:10,930 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 08:59:10,930 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:59:10" (1/1) ... [2018-11-23 08:59:10,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:59:10,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:10,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 08:59:10,979 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 08:59:10,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 08:59:10,981 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:11,151 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 08:59:11,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:11,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 08:59:11,260 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 08:59:11,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 08:59:11,261 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:11,603 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 08:59:11,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:11,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2018-11-23 08:59:11,815 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2018-11-23 08:59:11,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 08:59:11,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:12,201 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 08:59:12,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:12,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2018-11-23 08:59:12,573 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2018-11-23 08:59:12,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 08:59:12,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:12,920 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 08:59:13,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:13,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2018-11-23 08:59:13,092 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2018-11-23 08:59:13,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 08:59:13,093 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:13,993 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 08:59:15,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:15,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 61 transitions. [2018-11-23 08:59:15,068 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2018-11-23 08:59:15,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 08:59:15,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:15,559 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 08:59:16,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:16,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 39 states and 69 transitions. [2018-11-23 08:59:16,712 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2018-11-23 08:59:16,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 08:59:16,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:17,189 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 08:59:17,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:17,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2018-11-23 08:59:17,589 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2018-11-23 08:59:17,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 08:59:17,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:17,988 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 08:59:18,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:18,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2018-11-23 08:59:18,159 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2018-11-23 08:59:18,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:59:18,160 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-11-23 08:59:18,168 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 08:59:18,362 INFO L579 CodeCheckObserver]: Invariant with dag size 25 [2018-11-23 08:59:18,371 INFO L579 CodeCheckObserver]: Invariant with dag size 22 [2018-11-23 08:59:18,372 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 08:59:18,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:59:18 ImpRootNode [2018-11-23 08:59:18,373 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 08:59:18,373 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:59:18,373 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:59:18,373 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:59:18,374 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:59:10" (3/4) ... [2018-11-23 08:59:18,382 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:59:18,400 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-11-23 08:59:18,402 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-23 08:59:18,403 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 08:59:18,404 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 08:59:18,503 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4dff65d2-8ae7-4f80-acf6-a9a4c3624012/bin-2019/ukojak/witness.graphml [2018-11-23 08:59:18,503 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:59:18,504 INFO L168 Benchmark]: Toolchain (without parser) took 84769.83 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 358.1 MB). Free memory was 957.6 MB in the beginning and 1.2 GB in the end (delta: -203.2 MB). Peak memory consumption was 154.9 MB. Max. memory is 11.5 GB. [2018-11-23 08:59:18,505 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:59:18,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.52 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 920.0 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 08:59:18,505 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 920.0 MB in the beginning and 1.1 GB in the end (delta: -219.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 08:59:18,506 INFO L168 Benchmark]: Boogie Preprocessor took 55.55 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:59:18,506 INFO L168 Benchmark]: RCFGBuilder took 76649.79 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 30.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 79.6 MB). Peak memory consumption was 339.8 MB. Max. memory is 11.5 GB. [2018-11-23 08:59:18,506 INFO L168 Benchmark]: CodeCheck took 7453.56 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 178.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -125.5 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. [2018-11-23 08:59:18,506 INFO L168 Benchmark]: Witness Printer took 129.86 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 08:59:18,508 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, 7.2s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1500 SDtfs, 2866 SDslu, 1976 SDs, 0 SdLazy, 7664 SolverSat, 1118 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1217 GetRequests, 1032 SyntacticMatches, 71 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6894 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 25700 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 64/190 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: (((!(a19 == 6) && a12 == 0) && a4 == 14) || ((!(a10 == 4) && a12 == 0) && a4 == 14)) || ((a12 == 0 && a4 == 14) && (39 <= a1 || a1 + 13 <= 0)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((38 < a1 || !(a19 == 6)) || a1 + 13 <= 0) || !(a10 == 4)) && 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 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 368.52 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 920.0 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 109.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 920.0 MB in the beginning and 1.1 GB in the end (delta: -219.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.55 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 76649.79 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 30.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 79.6 MB). Peak memory consumption was 339.8 MB. Max. memory is 11.5 GB. * CodeCheck took 7453.56 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 178.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -125.5 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. * Witness Printer took 129.86 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...