./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product17_true-unreach-call_false-termination.cil.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_221c3cf1-821e-4967-a8e1-a576c01c8e09/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_221c3cf1-821e-4967-a8e1-a576c01c8e09/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_221c3cf1-821e-4967-a8e1-a576c01c8e09/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_221c3cf1-821e-4967-a8e1-a576c01c8e09/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product17_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_221c3cf1-821e-4967-a8e1-a576c01c8e09/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_221c3cf1-821e-4967-a8e1-a576c01c8e09/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 d2adcf2b9b8b03691138caa579df024fc7b4a734 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:24:09,328 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:24:09,329 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:24:09,335 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:24:09,335 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:24:09,336 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:24:09,337 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:24:09,338 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:24:09,339 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:24:09,340 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:24:09,340 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:24:09,340 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:24:09,341 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:24:09,342 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:24:09,342 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:24:09,342 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:24:09,343 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:24:09,344 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:24:09,345 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:24:09,346 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:24:09,347 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:24:09,348 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:24:09,350 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:24:09,350 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:24:09,350 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:24:09,350 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:24:09,351 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:24:09,351 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:24:09,352 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:24:09,353 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:24:09,353 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:24:09,353 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:24:09,353 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:24:09,354 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:24:09,354 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:24:09,355 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:24:09,355 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_221c3cf1-821e-4967-a8e1-a576c01c8e09/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 12:24:09,362 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:24:09,362 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:24:09,363 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:24:09,363 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:24:09,364 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:24:09,364 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:24:09,364 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:24:09,364 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:24:09,365 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:24:09,365 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:24:09,365 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:24:09,365 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:24:09,365 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:24:09,365 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:24:09,365 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:24:09,366 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:24:09,366 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:24:09,366 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:24:09,366 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:24:09,366 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:24:09,366 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:24:09,366 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:24:09,366 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:24:09,367 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:24:09,367 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:24:09,367 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:24:09,367 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 12:24:09,367 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:24:09,367 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:24:09,367 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_221c3cf1-821e-4967-a8e1-a576c01c8e09/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 -> d2adcf2b9b8b03691138caa579df024fc7b4a734 [2018-11-18 12:24:09,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:24:09,401 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:24:09,404 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:24:09,405 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:24:09,405 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:24:09,406 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_221c3cf1-821e-4967-a8e1-a576c01c8e09/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product17_true-unreach-call_false-termination.cil.c [2018-11-18 12:24:09,450 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_221c3cf1-821e-4967-a8e1-a576c01c8e09/bin-2019/ukojak/data/289483ee7/ca2070397cbf4596a5539abe5b23d466/FLAG0217a1a86 [2018-11-18 12:24:09,800 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:24:09,800 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_221c3cf1-821e-4967-a8e1-a576c01c8e09/sv-benchmarks/c/product-lines/minepump_spec1_product17_true-unreach-call_false-termination.cil.c [2018-11-18 12:24:09,809 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_221c3cf1-821e-4967-a8e1-a576c01c8e09/bin-2019/ukojak/data/289483ee7/ca2070397cbf4596a5539abe5b23d466/FLAG0217a1a86 [2018-11-18 12:24:09,818 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_221c3cf1-821e-4967-a8e1-a576c01c8e09/bin-2019/ukojak/data/289483ee7/ca2070397cbf4596a5539abe5b23d466 [2018-11-18 12:24:09,821 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:24:09,821 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:24:09,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:24:09,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:24:09,824 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:24:09,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:24:09" (1/1) ... [2018-11-18 12:24:09,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af69b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:09, skipping insertion in model container [2018-11-18 12:24:09,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:24:09" (1/1) ... [2018-11-18 12:24:09,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:24:09,861 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:24:10,058 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:24:10,065 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:24:10,166 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:24:10,185 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:24:10,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:10 WrapperNode [2018-11-18 12:24:10,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:24:10,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:24:10,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:24:10,186 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:24:10,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:10" (1/1) ... [2018-11-18 12:24:10,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:10" (1/1) ... [2018-11-18 12:24:10,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:24:10,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:24:10,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:24:10,218 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:24:10,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:10" (1/1) ... [2018-11-18 12:24:10,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:10" (1/1) ... [2018-11-18 12:24:10,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:10" (1/1) ... [2018-11-18 12:24:10,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:10" (1/1) ... [2018-11-18 12:24:10,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:10" (1/1) ... [2018-11-18 12:24:10,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:10" (1/1) ... [2018-11-18 12:24:10,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:10" (1/1) ... [2018-11-18 12:24:10,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:24:10,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:24:10,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:24:10,240 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:24:10,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_221c3cf1-821e-4967-a8e1-a576c01c8e09/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 12:24:10,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:24:10,280 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 12:24:10,280 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 12:24:10,280 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 12:24:10,280 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 12:24:10,280 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 12:24:10,280 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 12:24:10,280 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 12:24:10,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 12:24:10,281 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 12:24:10,281 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 12:24:10,281 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 12:24:10,281 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 12:24:10,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:24:10,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:24:11,017 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:24:11,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:24:11 BoogieIcfgContainer [2018-11-18 12:24:11,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:24:11,019 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 12:24:11,019 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 12:24:11,025 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 12:24:11,025 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:24:11" (1/1) ... [2018-11-18 12:24:11,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:24:11,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:11,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-11-18 12:24:11,059 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-11-18 12:24:11,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:24:11,064 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:11,205 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 12:24:11,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:11,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2018-11-18 12:24:11,215 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2018-11-18 12:24:11,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:24:11,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:11,294 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 12:24:11,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:11,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2018-11-18 12:24:11,333 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-11-18 12:24:11,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:24:11,334 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:11,407 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 12:24:11,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:11,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 86 transitions. [2018-11-18 12:24:11,524 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2018-11-18 12:24:11,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 12:24:11,524 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:11,580 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 12:24:11,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:11,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2018-11-18 12:24:11,749 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2018-11-18 12:24:11,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 12:24:11,750 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:11,784 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 12:24:11,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:11,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 75 states and 109 transitions. [2018-11-18 12:24:11,807 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2018-11-18 12:24:11,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 12:24:11,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:11,837 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 12:24:11,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:11,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 76 states and 110 transitions. [2018-11-18 12:24:11,857 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 110 transitions. [2018-11-18 12:24:11,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 12:24:11,858 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:11,889 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 12:24:11,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:11,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 77 states and 111 transitions. [2018-11-18 12:24:11,907 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 111 transitions. [2018-11-18 12:24:11,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 12:24:11,907 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:11,994 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 12:24:12,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:12,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 94 states and 144 transitions. [2018-11-18 12:24:12,376 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 144 transitions. [2018-11-18 12:24:12,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 12:24:12,377 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:12,403 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 12:24:12,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:12,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 95 states and 145 transitions. [2018-11-18 12:24:12,413 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 145 transitions. [2018-11-18 12:24:12,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 12:24:12,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:12,475 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 12:24:12,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:12,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 102 states and 154 transitions. [2018-11-18 12:24:12,678 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 154 transitions. [2018-11-18 12:24:12,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 12:24:12,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:12,747 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:24:13,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:13,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 109 states and 167 transitions. [2018-11-18 12:24:13,012 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 167 transitions. [2018-11-18 12:24:13,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 12:24:13,014 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:13,050 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:24:13,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:13,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 107 states and 163 transitions. [2018-11-18 12:24:13,082 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 163 transitions. [2018-11-18 12:24:13,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 12:24:13,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:13,397 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 12:24:14,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:14,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 115 states and 183 transitions. [2018-11-18 12:24:14,138 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 183 transitions. [2018-11-18 12:24:14,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 12:24:14,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:14,169 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:24:14,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:14,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 117 states and 187 transitions. [2018-11-18 12:24:14,311 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 187 transitions. [2018-11-18 12:24:14,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 12:24:14,312 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:14,340 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:24:14,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:14,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 127 states and 206 transitions. [2018-11-18 12:24:14,591 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 206 transitions. [2018-11-18 12:24:14,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 12:24:14,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:14,612 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:24:14,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:14,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 128 states and 207 transitions. [2018-11-18 12:24:14,629 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 207 transitions. [2018-11-18 12:24:14,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 12:24:14,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:14,656 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:24:14,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:14,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 129 states and 208 transitions. [2018-11-18 12:24:14,683 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 208 transitions. [2018-11-18 12:24:14,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 12:24:14,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:14,764 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:24:15,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:15,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 148 states and 260 transitions. [2018-11-18 12:24:15,798 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 260 transitions. [2018-11-18 12:24:15,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 12:24:15,799 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:15,825 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:24:15,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:15,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 149 states and 261 transitions. [2018-11-18 12:24:15,851 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 261 transitions. [2018-11-18 12:24:15,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 12:24:15,853 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:15,886 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:24:15,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:15,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 150 states and 262 transitions. [2018-11-18 12:24:15,914 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 262 transitions. [2018-11-18 12:24:15,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 12:24:15,916 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:15,947 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:24:16,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:16,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 160 states and 289 transitions. [2018-11-18 12:24:16,737 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 289 transitions. [2018-11-18 12:24:16,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 12:24:16,738 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:16,763 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 12:24:16,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:16,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 164 states and 296 transitions. [2018-11-18 12:24:16,992 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 296 transitions. [2018-11-18 12:24:16,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 12:24:16,993 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:17,137 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 12:24:17,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:17,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 169 states and 305 transitions. [2018-11-18 12:24:17,968 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 305 transitions. [2018-11-18 12:24:17,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 12:24:17,969 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:18,000 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 12:24:18,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:18,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 159 states and 281 transitions. [2018-11-18 12:24:18,220 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 281 transitions. [2018-11-18 12:24:18,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 12:24:18,221 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:18,249 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 12:24:18,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:18,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 157 states and 277 transitions. [2018-11-18 12:24:18,271 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 277 transitions. [2018-11-18 12:24:18,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 12:24:18,272 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:18,469 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 12:24:18,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:18,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 162 states and 284 transitions. [2018-11-18 12:24:18,889 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 284 transitions. [2018-11-18 12:24:18,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 12:24:18,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:18,916 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 12:24:18,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:18,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 164 states and 287 transitions. [2018-11-18 12:24:18,943 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 287 transitions. [2018-11-18 12:24:18,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 12:24:18,944 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:18,971 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 12:24:19,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:19,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 160 states and 275 transitions. [2018-11-18 12:24:19,026 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 275 transitions. [2018-11-18 12:24:19,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 12:24:19,027 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:19,055 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 12:24:19,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:19,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 161 states and 276 transitions. [2018-11-18 12:24:19,111 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 276 transitions. [2018-11-18 12:24:19,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 12:24:19,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:19,139 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 12:24:19,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:19,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 154 states and 263 transitions. [2018-11-18 12:24:19,177 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 263 transitions. [2018-11-18 12:24:19,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 12:24:19,178 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:19,294 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 34 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:24:20,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:20,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 169 states and 292 transitions. [2018-11-18 12:24:20,433 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 292 transitions. [2018-11-18 12:24:20,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-18 12:24:20,434 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:20,525 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 34 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:24:20,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:20,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 170 states and 293 transitions. [2018-11-18 12:24:20,540 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 293 transitions. [2018-11-18 12:24:20,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-18 12:24:20,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:20,561 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 12:24:20,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:20,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 166 states and 281 transitions. [2018-11-18 12:24:20,744 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 281 transitions. [2018-11-18 12:24:20,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 12:24:20,745 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:20,775 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 12:24:21,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:21,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 84 states and 114 transitions. [2018-11-18 12:24:21,022 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2018-11-18 12:24:21,022 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:24:21,023 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2018-11-18 12:24:21,029 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 12:24:21,223 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:24:21,225 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:24:21,225 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:24:21,225 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 12:24:21,228 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:24:21,228 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:24:21,228 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:24:21,228 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:24:21,228 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:24:21,228 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-18 12:24:21,229 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 12:24:21,229 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 12:24:21,230 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:24:21,230 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:24:21,230 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:24:21,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:24:21 ImpRootNode [2018-11-18 12:24:21,230 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:24:21,231 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:24:21,231 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:24:21,231 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:24:21,231 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:24:11" (3/4) ... [2018-11-18 12:24:21,235 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:24:21,239 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 12:24:21,240 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 12:24:21,240 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 12:24:21,240 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 12:24:21,240 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 12:24:21,240 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 12:24:21,245 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2018-11-18 12:24:21,245 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 12:24:21,245 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 12:24:21,263 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive [2018-11-18 12:24:21,264 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) [2018-11-18 12:24:21,264 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == tmp || !(pumpRunning == \old(pumpRunning))) || tmp == 0) || !(0 == pumpRunning) [2018-11-18 12:24:21,295 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_221c3cf1-821e-4967-a8e1-a576c01c8e09/bin-2019/ukojak/witness.graphml [2018-11-18 12:24:21,295 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:24:21,296 INFO L168 Benchmark]: Toolchain (without parser) took 11474.63 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 326.1 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -288.5 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:24:21,297 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 12:24:21,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -164.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:24:21,297 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.57 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:24:21,297 INFO L168 Benchmark]: Boogie Preprocessor took 21.60 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:24:21,297 INFO L168 Benchmark]: RCFGBuilder took 778.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.5 MB). Peak memory consumption was 74.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:24:21,298 INFO L168 Benchmark]: CodeCheck took 10211.91 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.8 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -213.0 MB). Peak memory consumption was 351.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:24:21,298 INFO L168 Benchmark]: Witness Printer took 64.22 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:24:21,299 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 7 procedures, 75 locations, 1 error locations. SAFE Result, 9.9s OverallTime, 35 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -635156272 SDtfs, 1018944422 SDslu, -587311504 SDs, 0 SdLazy, 538033062 SolverSat, 68637332 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15959 GetRequests, 15570 SyntacticMatches, 159 SemanticMatches, 230 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22361 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1668 NumberOfCodeBlocks, 1668 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1634 ConstructedInterpolants, 0 QuantifiedInterpolants, 194148 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 22 PerfectInterpolantSequences, 782/865 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: 543]: 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: 543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == tmp || !(pumpRunning == \old(pumpRunning))) || tmp == 0) || !(0 == pumpRunning) - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 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 363.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -164.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.57 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.60 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 778.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.5 MB). Peak memory consumption was 74.5 MB. Max. memory is 11.5 GB. * CodeCheck took 10211.91 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.8 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -213.0 MB). Peak memory consumption was 351.0 MB. Max. memory is 11.5 GB. * Witness Printer took 64.22 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...