./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label21_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_94fa02ce-2840-4d5c-a5e0-b7d921e4bb49/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_94fa02ce-2840-4d5c-a5e0-b7d921e4bb49/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_94fa02ce-2840-4d5c-a5e0-b7d921e4bb49/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_94fa02ce-2840-4d5c-a5e0-b7d921e4bb49/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label21_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_94fa02ce-2840-4d5c-a5e0-b7d921e4bb49/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_94fa02ce-2840-4d5c-a5e0-b7d921e4bb49/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 9204823cbe2b352839849e2ea06b227f99a40c67 ............................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 22:54:09,126 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 22:54:09,127 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 22:54:09,132 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 22:54:09,133 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 22:54:09,133 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 22:54:09,134 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 22:54:09,134 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 22:54:09,135 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 22:54:09,136 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 22:54:09,136 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 22:54:09,136 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 22:54:09,137 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 22:54:09,137 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 22:54:09,138 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 22:54:09,138 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 22:54:09,138 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 22:54:09,139 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 22:54:09,140 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 22:54:09,141 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 22:54:09,141 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 22:54:09,142 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 22:54:09,143 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 22:54:09,143 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 22:54:09,143 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 22:54:09,144 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 22:54:09,144 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 22:54:09,145 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 22:54:09,145 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 22:54:09,146 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 22:54:09,146 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 22:54:09,146 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 22:54:09,146 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 22:54:09,146 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 22:54:09,147 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 22:54:09,147 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 22:54:09,147 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_94fa02ce-2840-4d5c-a5e0-b7d921e4bb49/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 22:54:09,154 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 22:54:09,155 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 22:54:09,155 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 22:54:09,155 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 22:54:09,155 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 22:54:09,156 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 22:54:09,156 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 22:54:09,156 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 22:54:09,156 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 22:54:09,156 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 22:54:09,156 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 22:54:09,156 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 22:54:09,156 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 22:54:09,156 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 22:54:09,156 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 22:54:09,156 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 22:54:09,157 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 22:54:09,157 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 22:54:09,157 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 22:54:09,157 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 22:54:09,157 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 22:54:09,157 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 22:54:09,157 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 22:54:09,157 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 22:54:09,157 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 22:54:09,157 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 22:54:09,158 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 22:54:09,158 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 22:54:09,158 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 22:54:09,158 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_94fa02ce-2840-4d5c-a5e0-b7d921e4bb49/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 -> 9204823cbe2b352839849e2ea06b227f99a40c67 [2018-12-02 22:54:09,174 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 22:54:09,181 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 22:54:09,183 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 22:54:09,184 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 22:54:09,184 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 22:54:09,184 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_94fa02ce-2840-4d5c-a5e0-b7d921e4bb49/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label21_true-unreach-call_false-termination.c [2018-12-02 22:54:09,217 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94fa02ce-2840-4d5c-a5e0-b7d921e4bb49/bin-2019/ukojak/data/8d7ac52a2/51a0cac4d2e14a05b90bf3285d7c8ac8/FLAG183cfb27d [2018-12-02 22:54:09,580 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 22:54:09,580 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_94fa02ce-2840-4d5c-a5e0-b7d921e4bb49/sv-benchmarks/c/eca-rers2012/Problem14_label21_true-unreach-call_false-termination.c [2018-12-02 22:54:09,589 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94fa02ce-2840-4d5c-a5e0-b7d921e4bb49/bin-2019/ukojak/data/8d7ac52a2/51a0cac4d2e14a05b90bf3285d7c8ac8/FLAG183cfb27d [2018-12-02 22:54:09,953 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_94fa02ce-2840-4d5c-a5e0-b7d921e4bb49/bin-2019/ukojak/data/8d7ac52a2/51a0cac4d2e14a05b90bf3285d7c8ac8 [2018-12-02 22:54:09,955 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 22:54:09,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 22:54:09,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 22:54:09,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 22:54:09,958 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 22:54:09,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:54:09" (1/1) ... [2018-12-02 22:54:09,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@355d8d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:09, skipping insertion in model container [2018-12-02 22:54:09,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:54:09" (1/1) ... [2018-12-02 22:54:09,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 22:54:09,998 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 22:54:10,240 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 22:54:10,244 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 22:54:10,362 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 22:54:10,375 INFO L195 MainTranslator]: Completed translation [2018-12-02 22:54:10,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:10 WrapperNode [2018-12-02 22:54:10,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 22:54:10,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 22:54:10,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 22:54:10,376 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 22:54:10,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:10" (1/1) ... [2018-12-02 22:54:10,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:10" (1/1) ... [2018-12-02 22:54:10,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 22:54:10,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 22:54:10,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 22:54:10,444 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 22:54:10,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:10" (1/1) ... [2018-12-02 22:54:10,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:10" (1/1) ... [2018-12-02 22:54:10,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:10" (1/1) ... [2018-12-02 22:54:10,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:10" (1/1) ... [2018-12-02 22:54:10,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:10" (1/1) ... [2018-12-02 22:54:10,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:10" (1/1) ... [2018-12-02 22:54:10,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:10" (1/1) ... [2018-12-02 22:54:10,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 22:54:10,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 22:54:10,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 22:54:10,497 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 22:54:10,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94fa02ce-2840-4d5c-a5e0-b7d921e4bb49/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 [2018-12-02 22:54:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 22:54:10,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 22:59:51,036 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 22:59:51,036 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 22:59:51,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:59:51 BoogieIcfgContainer [2018-12-02 22:59:51,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 22:59:51,037 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 22:59:51,037 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 22:59:51,044 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 22:59:51,044 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:59:51" (1/1) ... [2018-12-02 22:59:51,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:59:51,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:59:51,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-02 22:59:51,073 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-02 22:59:51,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 22:59:51,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:59:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:59:51,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:59:51,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:59:51,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-02 22:59:51,223 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-02 22:59:51,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 22:59:51,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:59:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:59:51,534 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:00:01,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:00:01,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2018-12-02 23:00:01,905 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2018-12-02 23:00:01,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 23:00:01,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:00:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:00:02,402 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:00:04,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:00:04,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 27 states and 53 transitions. [2018-12-02 23:00:04,305 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 53 transitions. [2018-12-02 23:00:04,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 23:00:04,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:00:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:00:04,528 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:00:04,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:00:04,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 30 states and 63 transitions. [2018-12-02 23:00:04,804 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 63 transitions. [2018-12-02 23:00:04,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 23:00:04,804 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:00:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:00:05,454 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:00:06,736 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2018-12-02 23:00:17,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:00:17,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 38 states and 89 transitions. [2018-12-02 23:00:17,354 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 89 transitions. [2018-12-02 23:00:17,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 23:00:17,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:00:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:00:17,723 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:00:18,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:00:18,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 41 states and 99 transitions. [2018-12-02 23:00:18,014 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 99 transitions. [2018-12-02 23:00:18,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 23:00:18,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:00:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:00:18,449 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:00:18,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:00:18,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 42 states and 100 transitions. [2018-12-02 23:00:18,564 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 100 transitions. [2018-12-02 23:00:18,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 23:00:18,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:00:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:00:19,411 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 23:00:19,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:00:19,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 46 states and 112 transitions. [2018-12-02 23:00:19,989 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 112 transitions. [2018-12-02 23:00:19,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 23:00:19,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:00:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:00:20,560 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 23:00:21,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:00:21,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 50 states and 114 transitions. [2018-12-02 23:00:21,569 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 114 transitions. [2018-12-02 23:00:21,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 23:00:21,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:00:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:00:22,088 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 23:00:22,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:00:22,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 39 states and 93 transitions. [2018-12-02 23:00:22,249 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 93 transitions. [2018-12-02 23:00:22,250 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 23:00:22,250 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-12-02 23:00:22,255 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 23:00:22,480 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 28 [2018-12-02 23:00:22,583 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 31 [2018-12-02 23:00:22,640 INFO L583 CodeCheckObserver]: Invariant with dag size 25 [2018-12-02 23:00:22,647 INFO L583 CodeCheckObserver]: Invariant with dag size 31 [2018-12-02 23:00:22,647 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 23:00:22,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:00:22 ImpRootNode [2018-12-02 23:00:22,648 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 23:00:22,648 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 23:00:22,648 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 23:00:22,648 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 23:00:22,648 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:59:51" (3/4) ... [2018-12-02 23:00:22,651 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 23:00:22,662 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 216 nodes and edges [2018-12-02 23:00:22,663 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-02 23:00:22,664 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 23:00:22,664 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 23:00:22,730 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_94fa02ce-2840-4d5c-a5e0-b7d921e4bb49/bin-2019/ukojak/witness.graphml [2018-12-02 23:00:22,730 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 23:00:22,731 INFO L168 Benchmark]: Toolchain (without parser) took 372776.12 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 457.7 MB). Free memory was 949.6 MB in the beginning and 1.2 GB in the end (delta: -294.0 MB). Peak memory consumption was 163.7 MB. Max. memory is 11.5 GB. [2018-12-02 23:00:22,731 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 23:00:22,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 419.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 71.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -102.8 MB). Peak memory consumption was 41.7 MB. Max. memory is 11.5 GB. [2018-12-02 23:00:22,732 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-12-02 23:00:22,732 INFO L168 Benchmark]: Boogie Preprocessor took 52.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2018-12-02 23:00:22,732 INFO L168 Benchmark]: RCFGBuilder took 340539.49 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 24.9 MB). Peak memory consumption was 531.5 MB. Max. memory is 11.5 GB. [2018-12-02 23:00:22,733 INFO L168 Benchmark]: CodeCheck took 31610.70 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 252.7 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -264.7 MB). Peak memory consumption was 432.7 MB. Max. memory is 11.5 GB. [2018-12-02 23:00:22,733 INFO L168 Benchmark]: Witness Printer took 82.72 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-12-02 23:00:22,734 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, 31.1s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6112 SDtfs, 13332 SDslu, 8128 SDs, 0 SdLazy, 42972 SolverSat, 5336 SolverUnsat, 576 SolverUnknown, 0 SolverNotchecked, 163.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1715 GetRequests, 1454 SyntacticMatches, 119 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14648 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 38480 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 12/194 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: 106]: 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: (((a21 == 10 || !(a15 == 6)) || (!(1 <= a24 && a24 <= 1) && a21 == 7)) || 12 <= a12) || a21 == 6 || a21 == 9 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((a12 + 43 <= 0 && a21 == 7) || (!(a21 == 7 && 1 <= a24 && a24 <= 1) && ((a21 == 7 || 10 == a21) || a21 == 9))) || !(a15 == 6)) || a21 == 6 || 12 <= a12 - 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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 419.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 71.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -102.8 MB). Peak memory consumption was 41.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 340539.49 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 24.9 MB). Peak memory consumption was 531.5 MB. Max. memory is 11.5 GB. * CodeCheck took 31610.70 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 252.7 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -264.7 MB). Peak memory consumption was 432.7 MB. Max. memory is 11.5 GB. * Witness Printer took 82.72 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...