./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ssh-simplified/s3_srvr_1b_true-unreach-call_false-termination.cil.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_db512d5e-4797-452c-971a-dd4f17f929f4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_db512d5e-4797-452c-971a-dd4f17f929f4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_db512d5e-4797-452c-971a-dd4f17f929f4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_db512d5e-4797-452c-971a-dd4f17f929f4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ssh-simplified/s3_srvr_1b_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_db512d5e-4797-452c-971a-dd4f17f929f4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_db512d5e-4797-452c-971a-dd4f17f929f4/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 91fda61e05234dbe68b069d372f5d4b0bb73b229 ................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 11:30:07,300 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 11:30:07,301 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 11:30:07,307 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 11:30:07,307 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 11:30:07,307 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 11:30:07,308 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 11:30:07,309 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 11:30:07,309 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 11:30:07,310 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 11:30:07,310 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 11:30:07,310 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 11:30:07,311 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 11:30:07,311 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 11:30:07,312 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 11:30:07,312 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 11:30:07,313 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 11:30:07,313 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 11:30:07,314 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 11:30:07,315 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 11:30:07,315 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 11:30:07,316 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 11:30:07,317 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 11:30:07,317 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 11:30:07,317 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 11:30:07,318 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 11:30:07,318 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 11:30:07,318 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 11:30:07,319 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 11:30:07,319 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 11:30:07,319 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 11:30:07,320 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 11:30:07,320 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 11:30:07,320 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 11:30:07,320 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 11:30:07,321 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 11:30:07,321 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_db512d5e-4797-452c-971a-dd4f17f929f4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 11:30:07,328 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 11:30:07,328 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 11:30:07,328 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 11:30:07,329 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 11:30:07,329 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 11:30:07,329 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 11:30:07,329 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 11:30:07,329 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 11:30:07,329 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 11:30:07,329 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 11:30:07,329 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 11:30:07,329 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 11:30:07,330 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 11:30:07,330 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 11:30:07,330 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 11:30:07,330 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 11:30:07,330 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 11:30:07,330 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 11:30:07,330 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 11:30:07,330 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 11:30:07,330 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 11:30:07,330 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 11:30:07,330 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 11:30:07,330 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 11:30:07,331 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 11:30:07,331 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 11:30:07,331 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 11:30:07,331 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 11:30:07,331 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 11:30:07,331 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_db512d5e-4797-452c-971a-dd4f17f929f4/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 -> 91fda61e05234dbe68b069d372f5d4b0bb73b229 [2018-12-08 11:30:07,348 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 11:30:07,355 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 11:30:07,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 11:30:07,358 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 11:30:07,358 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 11:30:07,358 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_db512d5e-4797-452c-971a-dd4f17f929f4/bin-2019/ukojak/../../sv-benchmarks/c/ssh-simplified/s3_srvr_1b_true-unreach-call_false-termination.cil.c [2018-12-08 11:30:07,393 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db512d5e-4797-452c-971a-dd4f17f929f4/bin-2019/ukojak/data/2ba209aba/30a8fe322ee3435fb1a61e1e1239234a/FLAG112f74fab [2018-12-08 11:30:07,736 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 11:30:07,736 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_db512d5e-4797-452c-971a-dd4f17f929f4/sv-benchmarks/c/ssh-simplified/s3_srvr_1b_true-unreach-call_false-termination.cil.c [2018-12-08 11:30:07,740 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db512d5e-4797-452c-971a-dd4f17f929f4/bin-2019/ukojak/data/2ba209aba/30a8fe322ee3435fb1a61e1e1239234a/FLAG112f74fab [2018-12-08 11:30:08,119 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_db512d5e-4797-452c-971a-dd4f17f929f4/bin-2019/ukojak/data/2ba209aba/30a8fe322ee3435fb1a61e1e1239234a [2018-12-08 11:30:08,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 11:30:08,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 11:30:08,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 11:30:08,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 11:30:08,124 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 11:30:08,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:30:08" (1/1) ... [2018-12-08 11:30:08,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c1f7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:08, skipping insertion in model container [2018-12-08 11:30:08,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:30:08" (1/1) ... [2018-12-08 11:30:08,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 11:30:08,142 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 11:30:08,228 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:30:08,230 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 11:30:08,241 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:30:08,249 INFO L195 MainTranslator]: Completed translation [2018-12-08 11:30:08,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:08 WrapperNode [2018-12-08 11:30:08,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 11:30:08,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 11:30:08,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 11:30:08,250 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 11:30:08,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:08" (1/1) ... [2018-12-08 11:30:08,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:08" (1/1) ... [2018-12-08 11:30:08,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 11:30:08,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 11:30:08,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 11:30:08,269 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 11:30:08,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:08" (1/1) ... [2018-12-08 11:30:08,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:08" (1/1) ... [2018-12-08 11:30:08,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:08" (1/1) ... [2018-12-08 11:30:08,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:08" (1/1) ... [2018-12-08 11:30:08,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:08" (1/1) ... [2018-12-08 11:30:08,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:08" (1/1) ... [2018-12-08 11:30:08,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:08" (1/1) ... [2018-12-08 11:30:08,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 11:30:08,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 11:30:08,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 11:30:08,310 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 11:30:08,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db512d5e-4797-452c-971a-dd4f17f929f4/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 [2018-12-08 11:30:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 11:30:08,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 11:30:08,479 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 11:30:08,479 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-08 11:30:08,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:30:08 BoogieIcfgContainer [2018-12-08 11:30:08,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 11:30:08,480 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 11:30:08,480 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 11:30:08,487 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 11:30:08,487 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:30:08" (1/1) ... [2018-12-08 11:30:08,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:30:08,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:08,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2018-12-08 11:30:08,516 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2018-12-08 11:30:08,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 11:30:08,518 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:08,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:30:08,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:08,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2018-12-08 11:30:08,625 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2018-12-08 11:30:08,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 11:30:08,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:08,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:30:08,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:08,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 23 states and 42 transitions. [2018-12-08 11:30:08,704 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 42 transitions. [2018-12-08 11:30:08,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 11:30:08,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:08,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:30:08,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:08,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2018-12-08 11:30:08,772 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2018-12-08 11:30:08,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 11:30:08,773 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:08,803 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:30:08,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:08,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2018-12-08 11:30:08,902 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2018-12-08 11:30:08,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 11:30:08,903 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:08,914 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 11:30:08,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:08,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2018-12-08 11:30:08,984 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2018-12-08 11:30:08,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 11:30:08,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:09,008 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 11:30:09,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:09,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2018-12-08 11:30:09,072 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2018-12-08 11:30:09,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 11:30:09,072 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:09,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:30:09,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:09,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 41 states and 73 transitions. [2018-12-08 11:30:09,268 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 73 transitions. [2018-12-08 11:30:09,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 11:30:09,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:09,279 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 11:30:09,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:09,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2018-12-08 11:30:09,348 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2018-12-08 11:30:09,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 11:30:09,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:09,378 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 11:30:09,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:09,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2018-12-08 11:30:09,455 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2018-12-08 11:30:09,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 11:30:09,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:09,463 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 11:30:09,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:09,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 45 states and 75 transitions. [2018-12-08 11:30:09,508 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2018-12-08 11:30:09,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 11:30:09,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:09,559 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 11:30:09,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:09,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 48 states and 80 transitions. [2018-12-08 11:30:09,864 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 80 transitions. [2018-12-08 11:30:09,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 11:30:09,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:09,893 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:30:10,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:10,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 85 transitions. [2018-12-08 11:30:10,086 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 85 transitions. [2018-12-08 11:30:10,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 11:30:10,086 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:10,093 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 11:30:10,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:10,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 51 states and 80 transitions. [2018-12-08 11:30:10,141 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 80 transitions. [2018-12-08 11:30:10,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 11:30:10,142 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:10,212 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:30:10,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:10,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 58 states and 92 transitions. [2018-12-08 11:30:10,720 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 92 transitions. [2018-12-08 11:30:10,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 11:30:10,720 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:10,732 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:30:10,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 60 states and 93 transitions. [2018-12-08 11:30:10,816 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 93 transitions. [2018-12-08 11:30:10,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 11:30:10,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:10,824 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 11:30:10,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:10,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 63 states and 95 transitions. [2018-12-08 11:30:10,899 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2018-12-08 11:30:10,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 11:30:10,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:10,908 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 11:30:10,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 63 states and 94 transitions. [2018-12-08 11:30:10,990 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2018-12-08 11:30:10,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 11:30:10,991 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 11:30:11,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:11,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 65 states and 97 transitions. [2018-12-08 11:30:11,079 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 97 transitions. [2018-12-08 11:30:11,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 11:30:11,080 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:11,086 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 11:30:11,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:11,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 66 states and 98 transitions. [2018-12-08 11:30:11,186 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 98 transitions. [2018-12-08 11:30:11,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 11:30:11,186 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:11,191 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 11:30:11,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:11,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 68 states and 99 transitions. [2018-12-08 11:30:11,291 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2018-12-08 11:30:11,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 11:30:11,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:11,348 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 11:30:11,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:11,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 72 states and 106 transitions. [2018-12-08 11:30:11,579 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 106 transitions. [2018-12-08 11:30:11,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 11:30:11,580 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:11,620 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 11:30:11,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:11,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 76 states and 109 transitions. [2018-12-08 11:30:11,699 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 109 transitions. [2018-12-08 11:30:11,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 11:30:11,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:11,706 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 11:30:12,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:12,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 82 states and 119 transitions. [2018-12-08 11:30:12,144 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 119 transitions. [2018-12-08 11:30:12,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 11:30:12,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:12,150 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 11:30:12,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:12,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 84 states and 121 transitions. [2018-12-08 11:30:12,235 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2018-12-08 11:30:12,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 11:30:12,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:12,240 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 11:30:12,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:12,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 84 states and 120 transitions. [2018-12-08 11:30:12,351 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2018-12-08 11:30:12,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 11:30:12,351 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:12,356 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 11:30:12,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:12,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 87 states and 123 transitions. [2018-12-08 11:30:12,439 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 123 transitions. [2018-12-08 11:30:12,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 11:30:12,440 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:30:12,477 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 18 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 11:30:12,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:12,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 76 states and 110 transitions. [2018-12-08 11:30:12,500 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 110 transitions. [2018-12-08 11:30:12,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 11:30:12,500 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2018-12-08 11:30:12,506 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 11:30:12,620 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 30 [2018-12-08 11:30:12,866 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 30 [2018-12-08 11:30:12,866 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-08 11:30:12,871 INFO L583 CodeCheckObserver]: Invariant with dag size 25 [2018-12-08 11:30:12,872 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 11:30:12,873 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 11:30:12,873 INFO L583 CodeCheckObserver]: Invariant with dag size 16 [2018-12-08 11:30:12,873 INFO L583 CodeCheckObserver]: Invariant with dag size 25 [2018-12-08 11:30:12,873 INFO L583 CodeCheckObserver]: Invariant with dag size 30 [2018-12-08 11:30:12,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 11:30:12 ImpRootNode [2018-12-08 11:30:12,874 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 11:30:12,875 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 11:30:12,875 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 11:30:12,875 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 11:30:12,875 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:30:08" (3/4) ... [2018-12-08 11:30:12,877 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 11:30:12,883 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-08 11:30:12,883 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 11:30:12,910 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_db512d5e-4797-452c-971a-dd4f17f929f4/bin-2019/ukojak/witness.graphml [2018-12-08 11:30:12,910 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 11:30:12,911 INFO L168 Benchmark]: Toolchain (without parser) took 4789.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.2 MB). Free memory was 953.3 MB in the beginning and 1.0 GB in the end (delta: -73.6 MB). Peak memory consumption was 113.6 MB. Max. memory is 11.5 GB. [2018-12-08 11:30:12,911 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. [2018-12-08 11:30:12,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 127.26 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 11:30:12,912 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.61 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 11:30:12,912 INFO L168 Benchmark]: Boogie Preprocessor took 41.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-08 11:30:12,912 INFO L168 Benchmark]: RCFGBuilder took 169.79 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: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-12-08 11:30:12,912 INFO L168 Benchmark]: CodeCheck took 4394.68 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.4 MB). Peak memory consumption was 140.1 MB. Max. memory is 11.5 GB. [2018-12-08 11:30:12,912 INFO L168 Benchmark]: Witness Printer took 35.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:30:12,914 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, 23 locations, 1 error locations. SAFE Result, 4.0s OverallTime, 28 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 478675456 SDtfs, 966383644 SDslu, 2138043888 SDs, 0 SdLazy, -1883868794 SolverSat, 807089214 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4220 GetRequests, 3959 SyntacticMatches, 67 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19375 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 507 NumberOfCodeBlocks, 507 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 480 ConstructedInterpolants, 0 QuantifiedInterpolants, 20406 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 18 PerfectInterpolantSequences, 315/415 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: 139]: 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: 50]: Loop Invariant Derived loop invariant: blastFlag <= 4 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((blastFlag <= 2 && !(blastFlag == 2)) || (blastFlag <= 4 && 8656 <= s__state)) || (s__hit == 0 && blastFlag == 2)) || (s__state == 8640 && !(s__hit == 0))) || (blastFlag == 2 && !(s__state == 8512)) - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((s__state == 8640 && !(s__hit == 0)) || blastFlag <= 2) || (blastFlag <= 4 && !(s__state == 8640)) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: ((((blastFlag <= 2 && !(s__state == 8512)) || (s__hit == 0 && blastFlag == 2)) || (s__state == 8640 && !(s__hit == 0))) || (blastFlag <= 2 && !(blastFlag == 2))) || (blastFlag <= 4 && 8656 <= s__state) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (((((((s__hit == 0 && blastFlag == 2) && s__state == 8512) || (s__state == 8466 && blastFlag <= 2)) || blastFlag <= 0) || (s__state == 8640 && !(s__hit == 0))) || (blastFlag <= 4 && 8656 <= s__state)) || ((s__state == 8512 && blastFlag <= 2) && !(blastFlag == 2))) || ((8512 <= s__state && blastFlag <= 2) && !(s__state == 8512)) * 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 127.26 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.61 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 169.79 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: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * CodeCheck took 4394.68 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.4 MB). Peak memory consumption was 140.1 MB. Max. memory is 11.5 GB. * Witness Printer took 35.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...