./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_07b924d4-a689-450e-913f-488e315a9184/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_07b924d4-a689-450e-913f-488e315a9184/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_07b924d4-a689-450e-913f-488e315a9184/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_07b924d4-a689-450e-913f-488e315a9184/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call.i.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_07b924d4-a689-450e-913f-488e315a9184/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_07b924d4-a689-450e-913f-488e315a9184/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 5daa60820c0033439eb2fc136c4a16d466a909bc .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 18:42:13,298 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:42:13,299 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:42:13,306 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:42:13,306 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:42:13,307 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:42:13,308 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:42:13,310 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:42:13,311 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:42:13,311 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:42:13,312 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:42:13,312 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:42:13,313 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:42:13,313 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:42:13,314 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:42:13,314 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:42:13,315 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:42:13,316 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:42:13,317 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:42:13,319 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:42:13,319 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:42:13,320 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:42:13,321 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:42:13,321 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:42:13,321 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:42:13,322 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:42:13,323 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:42:13,323 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:42:13,324 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:42:13,324 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:42:13,325 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:42:13,325 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:42:13,325 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:42:13,325 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:42:13,326 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:42:13,326 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:42:13,327 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_07b924d4-a689-450e-913f-488e315a9184/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 18:42:13,338 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:42:13,338 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:42:13,339 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:42:13,339 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:42:13,340 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:42:13,340 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:42:13,340 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:42:13,341 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:42:13,341 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:42:13,341 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:42:13,341 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:42:13,341 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:42:13,341 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:42:13,341 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:42:13,341 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:42:13,342 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:42:13,342 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:42:13,342 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:42:13,342 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:42:13,342 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:42:13,342 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:42:13,342 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:42:13,343 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:42:13,343 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:42:13,343 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:42:13,343 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:42:13,343 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 18:42:13,343 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:42:13,343 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:42:13,344 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_07b924d4-a689-450e-913f-488e315a9184/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 -> 5daa60820c0033439eb2fc136c4a16d466a909bc [2018-11-18 18:42:13,372 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:42:13,383 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:42:13,385 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:42:13,387 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:42:13,387 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:42:13,388 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_07b924d4-a689-450e-913f-488e315a9184/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call.i.v+cfa-reducer.c [2018-11-18 18:42:13,440 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_07b924d4-a689-450e-913f-488e315a9184/bin-2019/ukojak/data/bfb5d36bf/9bea769e445648b481dc96390f267e6e/FLAGf04d9a52e [2018-11-18 18:42:13,815 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:42:13,815 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_07b924d4-a689-450e-913f-488e315a9184/sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call.i.v+cfa-reducer.c [2018-11-18 18:42:13,821 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_07b924d4-a689-450e-913f-488e315a9184/bin-2019/ukojak/data/bfb5d36bf/9bea769e445648b481dc96390f267e6e/FLAGf04d9a52e [2018-11-18 18:42:14,221 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_07b924d4-a689-450e-913f-488e315a9184/bin-2019/ukojak/data/bfb5d36bf/9bea769e445648b481dc96390f267e6e [2018-11-18 18:42:14,223 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:42:14,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:42:14,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:42:14,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:42:14,228 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:42:14,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:42:14" (1/1) ... [2018-11-18 18:42:14,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e0686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:14, skipping insertion in model container [2018-11-18 18:42:14,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:42:14" (1/1) ... [2018-11-18 18:42:14,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:42:14,259 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:42:14,380 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:42:14,383 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:42:14,403 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:42:14,415 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:42:14,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:14 WrapperNode [2018-11-18 18:42:14,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:42:14,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:42:14,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:42:14,416 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:42:14,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:14" (1/1) ... [2018-11-18 18:42:14,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:14" (1/1) ... [2018-11-18 18:42:14,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:42:14,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:42:14,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:42:14,446 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:42:14,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:14" (1/1) ... [2018-11-18 18:42:14,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:14" (1/1) ... [2018-11-18 18:42:14,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:14" (1/1) ... [2018-11-18 18:42:14,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:14" (1/1) ... [2018-11-18 18:42:14,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:14" (1/1) ... [2018-11-18 18:42:14,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:14" (1/1) ... [2018-11-18 18:42:14,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:14" (1/1) ... [2018-11-18 18:42:14,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:42:14,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:42:14,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:42:14,504 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:42:14,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07b924d4-a689-450e-913f-488e315a9184/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 [2018-11-18 18:42:14,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:42:14,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:42:14,796 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:42:14,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:42:14 BoogieIcfgContainer [2018-11-18 18:42:14,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:42:14,797 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:42:14,797 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:42:14,804 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:42:14,804 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:42:14" (1/1) ... [2018-11-18 18:42:14,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:42:14,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:14,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 58 states and 79 transitions. [2018-11-18 18:42:14,852 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 79 transitions. [2018-11-18 18:42:14,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 18:42:14,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:14,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:15,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:15,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 56 states and 76 transitions. [2018-11-18 18:42:15,007 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2018-11-18 18:42:15,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 18:42:15,008 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:15,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:15,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:15,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 62 states and 86 transitions. [2018-11-18 18:42:15,230 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2018-11-18 18:42:15,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 18:42:15,230 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:15,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:15,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:15,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 65 states and 91 transitions. [2018-11-18 18:42:15,433 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2018-11-18 18:42:15,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 18:42:15,434 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:15,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:15,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:15,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2018-11-18 18:42:15,640 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2018-11-18 18:42:15,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 18:42:15,644 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:15,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:15,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:15,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2018-11-18 18:42:15,929 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2018-11-18 18:42:15,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 18:42:15,929 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:16,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:16,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:16,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 74 states and 106 transitions. [2018-11-18 18:42:16,738 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 106 transitions. [2018-11-18 18:42:16,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 18:42:16,739 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:16,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:17,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:17,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 72 states and 102 transitions. [2018-11-18 18:42:17,097 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 102 transitions. [2018-11-18 18:42:17,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 18:42:17,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:17,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:18,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:18,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 80 states and 116 transitions. [2018-11-18 18:42:18,168 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 116 transitions. [2018-11-18 18:42:18,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 18:42:18,168 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:18,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:18,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:18,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 86 states and 121 transitions. [2018-11-18 18:42:18,961 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 121 transitions. [2018-11-18 18:42:18,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 18:42:18,961 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:19,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:20,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:20,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 93 states and 127 transitions. [2018-11-18 18:42:20,079 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 127 transitions. [2018-11-18 18:42:20,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 18:42:20,079 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:20,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:21,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:21,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 96 states and 129 transitions. [2018-11-18 18:42:21,827 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 129 transitions. [2018-11-18 18:42:21,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 18:42:21,828 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:22,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:23,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:23,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 100 states and 133 transitions. [2018-11-18 18:42:23,137 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 133 transitions. [2018-11-18 18:42:23,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 18:42:23,138 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:23,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:24,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:24,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 105 states and 138 transitions. [2018-11-18 18:42:24,619 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 138 transitions. [2018-11-18 18:42:24,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 18:42:24,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:24,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:25,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:25,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 107 states and 144 transitions. [2018-11-18 18:42:25,302 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 144 transitions. [2018-11-18 18:42:25,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 18:42:25,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:25,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:26,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:26,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 110 states and 148 transitions. [2018-11-18 18:42:26,995 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 148 transitions. [2018-11-18 18:42:26,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 18:42:26,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:27,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:27,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:27,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 113 states and 151 transitions. [2018-11-18 18:42:27,889 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 151 transitions. [2018-11-18 18:42:27,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 18:42:27,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:27,985 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:29,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:29,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 118 states and 157 transitions. [2018-11-18 18:42:29,275 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 157 transitions. [2018-11-18 18:42:29,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 18:42:29,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:29,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:30,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:30,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 120 states and 159 transitions. [2018-11-18 18:42:30,640 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 159 transitions. [2018-11-18 18:42:30,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 18:42:30,640 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:30,668 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 18:42:30,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:30,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 121 states and 159 transitions. [2018-11-18 18:42:30,816 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 159 transitions. [2018-11-18 18:42:30,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 18:42:30,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:30,831 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:32,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:32,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 129 states and 178 transitions. [2018-11-18 18:42:32,949 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 178 transitions. [2018-11-18 18:42:32,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 18:42:32,950 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:32,962 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:33,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:33,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 129 states and 177 transitions. [2018-11-18 18:42:33,275 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 177 transitions. [2018-11-18 18:42:33,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 18:42:33,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:33,290 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:34,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:34,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 135 states and 191 transitions. [2018-11-18 18:42:34,659 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 191 transitions. [2018-11-18 18:42:34,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 18:42:34,659 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:34,673 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:36,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:36,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 140 states and 199 transitions. [2018-11-18 18:42:36,008 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 199 transitions. [2018-11-18 18:42:36,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 18:42:36,008 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:36,019 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:37,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:37,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 145 states and 206 transitions. [2018-11-18 18:42:37,501 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 206 transitions. [2018-11-18 18:42:37,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 18:42:37,502 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:37,627 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:39,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:39,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 148 states and 217 transitions. [2018-11-18 18:42:39,506 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 217 transitions. [2018-11-18 18:42:39,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 18:42:39,506 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:39,521 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:41,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:41,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 148 states and 216 transitions. [2018-11-18 18:42:41,471 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 216 transitions. [2018-11-18 18:42:41,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 18:42:41,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:41,613 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:42,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:42,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 148 states and 215 transitions. [2018-11-18 18:42:42,120 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 215 transitions. [2018-11-18 18:42:42,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 18:42:42,121 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:42,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:45,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:45,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 156 states and 238 transitions. [2018-11-18 18:42:45,039 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 238 transitions. [2018-11-18 18:42:45,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 18:42:45,040 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:45,226 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:48,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:48,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 165 states and 249 transitions. [2018-11-18 18:42:48,841 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 249 transitions. [2018-11-18 18:42:48,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 18:42:48,842 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:49,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:49,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:49,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 165 states and 247 transitions. [2018-11-18 18:42:49,704 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 247 transitions. [2018-11-18 18:42:49,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 18:42:49,704 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:49,713 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:51,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:51,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 171 states and 262 transitions. [2018-11-18 18:42:51,316 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 262 transitions. [2018-11-18 18:42:51,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 18:42:51,316 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:51,328 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:53,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:53,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 176 states and 270 transitions. [2018-11-18 18:42:53,173 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 270 transitions. [2018-11-18 18:42:53,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 18:42:53,173 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:53,188 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 18:42:58,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:58,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2018-11-18 18:42:58,346 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2018-11-18 18:42:58,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 18:42:58,347 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2018-11-18 18:42:58,354 INFO L775 CodeCheckObserver]: All specifications hold 16 specifications checked. All of them hold [2018-11-18 18:42:58,552 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-18 18:42:58,560 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-18 18:42:58,561 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:42:58,561 INFO L579 CodeCheckObserver]: Invariant with dag size 17 [2018-11-18 18:42:58,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 06:42:58 ImpRootNode [2018-11-18 18:42:58,562 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 18:42:58,562 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:42:58,562 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:42:58,562 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:42:58,562 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:42:14" (3/4) ... [2018-11-18 18:42:58,565 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 18:42:58,576 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 18:42:58,576 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 18:42:58,577 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 18:42:58,635 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_07b924d4-a689-450e-913f-488e315a9184/bin-2019/ukojak/witness.graphml [2018-11-18 18:42:58,636 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:42:58,637 INFO L168 Benchmark]: Toolchain (without parser) took 44412.80 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 687.3 MB). Free memory was 958.2 MB in the beginning and 1.0 GB in the end (delta: -86.4 MB). Peak memory consumption was 601.0 MB. Max. memory is 11.5 GB. [2018-11-18 18:42:58,638 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:42:58,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 190.60 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 944.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:42:58,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.34 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 942.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:42:58,639 INFO L168 Benchmark]: Boogie Preprocessor took 58.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 942.1 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-11-18 18:42:58,639 INFO L168 Benchmark]: RCFGBuilder took 292.26 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:42:58,639 INFO L168 Benchmark]: CodeCheck took 43765.11 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 554.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.0 MB). Peak memory consumption was 617.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:42:58,640 INFO L168 Benchmark]: Witness Printer took 73.98 ms. Allocated memory is still 1.7 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.4 kB). Peak memory consumption was 8.4 kB. Max. memory is 11.5 GB. [2018-11-18 18:42:58,643 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, 60 locations, 16 error locations. SAFE Result, 43.5s OverallTime, 34 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1245184 SDtfs, -760961376 SDslu, 1225048860 SDs, 0 SdLazy, 2005319554 SolverSat, -1295392406 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5817 GetRequests, 4977 SyntacticMatches, 264 SemanticMatches, 576 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133036 ImplicationChecksByTransitivity, 41.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 636 NumberOfCodeBlocks, 636 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 603 ConstructedInterpolants, 0 QuantifiedInterpolants, 49449 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 18 PerfectInterpolantSequences, 34/104 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: 224]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 42]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 136]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 200]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 107]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 160]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 188]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 71]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 172]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 212]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 54]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 252]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 148]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 95]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 240]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 83]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((main__j + 5 <= main__bufsize && main__i + 2 <= main__len) && 0 <= main__i) && main__limit + 4 <= main__bufsize) && 0 <= main__j) || ((((main__j + 5 <= main__bufsize && main__len < main__i + 2) && 0 <= main__i) && main__i + 1 <= main__len) && 0 <= main__j) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (0 <= main__i && main__limit + 4 <= main__bufsize) || (0 <= main__i && main__len < main__i + 1) - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: ((0 <= main__i && main__limit + 4 <= main__bufsize) && 0 <= main__j) || (0 <= main__i && main__len < main__i + 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 190.60 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 944.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.34 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 942.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 942.1 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 292.26 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * CodeCheck took 43765.11 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 554.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.0 MB). Peak memory consumption was 617.7 MB. Max. memory is 11.5 GB. * Witness Printer took 73.98 ms. Allocated memory is still 1.7 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.4 kB). Peak memory consumption was 8.4 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...