./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product29_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8555551e-5212-413a-a0a8-685eaa86399c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8555551e-5212-413a-a0a8-685eaa86399c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8555551e-5212-413a-a0a8-685eaa86399c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8555551e-5212-413a-a0a8-685eaa86399c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product29_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8555551e-5212-413a-a0a8-685eaa86399c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8555551e-5212-413a-a0a8-685eaa86399c/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 d733dbb906adb6defb82ddd5acbd52a79b17963e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:48:27,565 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:48:27,566 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:48:27,573 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:48:27,573 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:48:27,574 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:48:27,575 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:48:27,576 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:48:27,578 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:48:27,578 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:48:27,579 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:48:27,579 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:48:27,580 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:48:27,580 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:48:27,581 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:48:27,582 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:48:27,582 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:48:27,584 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:48:27,585 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:48:27,586 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:48:27,587 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:48:27,587 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:48:27,588 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:48:27,589 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:48:27,589 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:48:27,589 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:48:27,590 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:48:27,590 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:48:27,591 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:48:27,592 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:48:27,592 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:48:27,592 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:48:27,593 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:48:27,593 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:48:27,593 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:48:27,594 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:48:27,594 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8555551e-5212-413a-a0a8-685eaa86399c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 03:48:27,602 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:48:27,603 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:48:27,603 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:48:27,603 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 03:48:27,604 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:48:27,604 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:48:27,604 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:48:27,604 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:48:27,605 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:48:27,605 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:48:27,605 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:48:27,605 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:48:27,605 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:48:27,605 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:48:27,605 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:48:27,606 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:48:27,606 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:48:27,606 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:48:27,606 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 03:48:27,606 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 03:48:27,606 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:48:27,606 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:48:27,607 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 03:48:27,607 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:48:27,607 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:48:27,607 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:48:27,607 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 03:48:27,607 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:48:27,607 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:48:27,608 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_8555551e-5212-413a-a0a8-685eaa86399c/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 -> d733dbb906adb6defb82ddd5acbd52a79b17963e [2018-11-23 03:48:27,632 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:48:27,641 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:48:27,644 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:48:27,645 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:48:27,645 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:48:27,646 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8555551e-5212-413a-a0a8-685eaa86399c/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product29_true-unreach-call_false-termination.cil.c [2018-11-23 03:48:27,684 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8555551e-5212-413a-a0a8-685eaa86399c/bin-2019/ukojak/data/a2d854304/c040d094d1a84cf5889daa52c6bdaa48/FLAG92e7064d9 [2018-11-23 03:48:28,122 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:48:28,123 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8555551e-5212-413a-a0a8-685eaa86399c/sv-benchmarks/c/product-lines/minepump_spec4_product29_true-unreach-call_false-termination.cil.c [2018-11-23 03:48:28,129 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8555551e-5212-413a-a0a8-685eaa86399c/bin-2019/ukojak/data/a2d854304/c040d094d1a84cf5889daa52c6bdaa48/FLAG92e7064d9 [2018-11-23 03:48:28,138 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8555551e-5212-413a-a0a8-685eaa86399c/bin-2019/ukojak/data/a2d854304/c040d094d1a84cf5889daa52c6bdaa48 [2018-11-23 03:48:28,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:48:28,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:48:28,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:48:28,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:48:28,145 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:48:28,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:28" (1/1) ... [2018-11-23 03:48:28,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f66bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:28, skipping insertion in model container [2018-11-23 03:48:28,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:28" (1/1) ... [2018-11-23 03:48:28,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:48:28,185 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:48:28,382 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:48:28,441 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:48:28,494 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:48:28,510 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:48:28,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:28 WrapperNode [2018-11-23 03:48:28,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:48:28,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:48:28,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:48:28,511 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:48:28,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:28" (1/1) ... [2018-11-23 03:48:28,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:28" (1/1) ... [2018-11-23 03:48:28,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:48:28,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:48:28,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:48:28,550 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:48:28,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:28" (1/1) ... [2018-11-23 03:48:28,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:28" (1/1) ... [2018-11-23 03:48:28,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:28" (1/1) ... [2018-11-23 03:48:28,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:28" (1/1) ... [2018-11-23 03:48:28,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:28" (1/1) ... [2018-11-23 03:48:28,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:28" (1/1) ... [2018-11-23 03:48:28,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:28" (1/1) ... [2018-11-23 03:48:28,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:48:28,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:48:28,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:48:28,571 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:48:28,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8555551e-5212-413a-a0a8-685eaa86399c/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 03:48:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:48:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 03:48:28,612 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 03:48:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 03:48:28,612 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 03:48:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 03:48:28,613 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 03:48:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 03:48:28,613 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 03:48:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 03:48:28,613 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 03:48:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 03:48:28,613 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 03:48:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 03:48:28,614 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 03:48:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 03:48:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 03:48:28,614 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 03:48:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:48:28,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:48:29,221 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:48:29,222 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-11-23 03:48:29,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:29 BoogieIcfgContainer [2018-11-23 03:48:29,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:48:29,222 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 03:48:29,223 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 03:48:29,230 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 03:48:29,231 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:29" (1/1) ... [2018-11-23 03:48:29,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:48:29,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:29,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-11-23 03:48:29,270 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-11-23 03:48:29,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 03:48:29,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:29,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:48:29,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:29,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2018-11-23 03:48:29,433 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2018-11-23 03:48:29,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 03:48:29,434 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:29,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:48:29,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:29,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2018-11-23 03:48:29,542 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2018-11-23 03:48:29,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 03:48:29,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:29,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:48:29,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:29,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2018-11-23 03:48:29,720 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2018-11-23 03:48:29,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 03:48:29,721 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:29,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:48:29,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:29,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 95 transitions. [2018-11-23 03:48:29,769 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2018-11-23 03:48:29,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 03:48:29,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:29,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:48:29,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:29,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 70 states and 96 transitions. [2018-11-23 03:48:29,812 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2018-11-23 03:48:29,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 03:48:29,813 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:29,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:48:30,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:30,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 83 states and 127 transitions. [2018-11-23 03:48:30,206 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 127 transitions. [2018-11-23 03:48:30,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 03:48:30,207 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:30,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:48:30,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:30,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 96 states and 159 transitions. [2018-11-23 03:48:30,771 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 159 transitions. [2018-11-23 03:48:30,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 03:48:30,773 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:30,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:48:30,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:30,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 98 states and 161 transitions. [2018-11-23 03:48:30,915 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 161 transitions. [2018-11-23 03:48:30,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 03:48:30,916 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:30,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:48:31,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:31,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 100 states and 166 transitions. [2018-11-23 03:48:31,103 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 166 transitions. [2018-11-23 03:48:31,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 03:48:31,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:31,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:48:31,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:31,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 98 states and 160 transitions. [2018-11-23 03:48:31,149 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 160 transitions. [2018-11-23 03:48:31,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 03:48:31,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:31,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:48:31,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:31,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 99 states and 161 transitions. [2018-11-23 03:48:31,186 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 161 transitions. [2018-11-23 03:48:31,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 03:48:31,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:31,239 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:48:31,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:31,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 106 states and 177 transitions. [2018-11-23 03:48:31,617 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 177 transitions. [2018-11-23 03:48:31,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 03:48:31,618 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:31,636 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:48:31,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:31,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 110 states and 183 transitions. [2018-11-23 03:48:31,657 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 183 transitions. [2018-11-23 03:48:31,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 03:48:31,658 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:31,675 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:48:31,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:31,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 111 states and 184 transitions. [2018-11-23 03:48:31,695 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 184 transitions. [2018-11-23 03:48:31,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 03:48:31,696 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:31,750 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:48:32,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:32,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 124 states and 211 transitions. [2018-11-23 03:48:32,293 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 211 transitions. [2018-11-23 03:48:32,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 03:48:32,294 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:32,314 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 03:48:32,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:32,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 125 states and 212 transitions. [2018-11-23 03:48:32,323 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 212 transitions. [2018-11-23 03:48:32,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 03:48:32,324 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:32,342 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:48:32,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:32,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 126 states and 213 transitions. [2018-11-23 03:48:32,355 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 213 transitions. [2018-11-23 03:48:32,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 03:48:32,356 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:32,419 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 03:48:33,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:33,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 141 states and 265 transitions. [2018-11-23 03:48:33,221 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 265 transitions. [2018-11-23 03:48:33,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 03:48:33,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:33,305 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 03:48:33,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:33,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 144 states and 268 transitions. [2018-11-23 03:48:33,438 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 268 transitions. [2018-11-23 03:48:33,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 03:48:33,439 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:33,513 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 03:48:33,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:33,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 144 states and 267 transitions. [2018-11-23 03:48:33,682 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 267 transitions. [2018-11-23 03:48:33,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 03:48:33,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:33,775 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 03:48:34,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:34,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 149 states and 278 transitions. [2018-11-23 03:48:34,148 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 278 transitions. [2018-11-23 03:48:34,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 03:48:34,149 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:34,204 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:48:34,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:34,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 153 states and 283 transitions. [2018-11-23 03:48:34,641 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 283 transitions. [2018-11-23 03:48:34,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 03:48:34,642 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:34,712 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 03:48:34,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:34,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 154 states and 284 transitions. [2018-11-23 03:48:34,721 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 284 transitions. [2018-11-23 03:48:34,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 03:48:34,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:34,772 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 03:48:34,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:34,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 155 states and 285 transitions. [2018-11-23 03:48:34,782 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 285 transitions. [2018-11-23 03:48:34,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 03:48:34,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 03:48:34,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:34,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 145 states and 265 transitions. [2018-11-23 03:48:34,811 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 265 transitions. [2018-11-23 03:48:34,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 03:48:34,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:34,834 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 03:48:35,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:35,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 149 states and 272 transitions. [2018-11-23 03:48:35,006 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 272 transitions. [2018-11-23 03:48:35,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 03:48:35,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:35,029 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 03:48:35,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:35,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 147 states and 268 transitions. [2018-11-23 03:48:35,057 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 268 transitions. [2018-11-23 03:48:35,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 03:48:35,058 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:35,075 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 03:48:35,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:35,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 145 states and 263 transitions. [2018-11-23 03:48:35,099 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 263 transitions. [2018-11-23 03:48:35,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 03:48:35,100 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 03:48:35,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:35,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 136 states and 246 transitions. [2018-11-23 03:48:35,255 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 246 transitions. [2018-11-23 03:48:35,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 03:48:35,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:48:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:35,355 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 03:48:35,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:48:35,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 72 states and 98 transitions. [2018-11-23 03:48:35,619 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2018-11-23 03:48:35,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:48:35,620 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2018-11-23 03:48:35,628 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 03:48:35,831 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 03:48:35,837 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 03:48:35,838 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 03:48:35,838 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 03:48:35,838 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 03:48:35,838 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 03:48:35,838 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 03:48:35,838 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 03:48:35,838 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-23 03:48:35,842 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 03:48:35,842 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-23 03:48:35,843 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 03:48:35,843 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 03:48:35,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:48:35 ImpRootNode [2018-11-23 03:48:35,845 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 03:48:35,845 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:48:35,846 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:48:35,846 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:48:35,846 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:29" (3/4) ... [2018-11-23 03:48:35,850 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:48:35,855 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 03:48:35,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 03:48:35,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 03:48:35,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 03:48:35,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 03:48:35,857 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 03:48:35,857 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 03:48:35,857 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 03:48:35,864 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2018-11-23 03:48:35,864 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 03:48:35,865 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 03:48:35,865 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 03:48:35,865 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 03:48:35,865 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:48:35,866 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:48:35,894 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || \old(pumpRunning) == pumpRunning) || 0 == systemActive [2018-11-23 03:48:35,895 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-11-23 03:48:35,928 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8555551e-5212-413a-a0a8-685eaa86399c/bin-2019/ukojak/witness.graphml [2018-11-23 03:48:35,928 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:48:35,929 INFO L168 Benchmark]: Toolchain (without parser) took 7788.52 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 243.3 MB). Free memory was 956.6 MB in the beginning and 987.3 MB in the end (delta: -30.8 MB). Peak memory consumption was 212.5 MB. Max. memory is 11.5 GB. [2018-11-23 03:48:35,930 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:48:35,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-11-23 03:48:35,931 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.29 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:48:35,931 INFO L168 Benchmark]: Boogie Preprocessor took 20.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:48:35,931 INFO L168 Benchmark]: RCFGBuilder took 651.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. [2018-11-23 03:48:35,932 INFO L168 Benchmark]: CodeCheck took 6622.41 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 97.5 MB). Free memory was 1.1 GB in the beginning and 995.0 MB in the end (delta: 65.2 MB). Peak memory consumption was 162.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:48:35,932 INFO L168 Benchmark]: Witness Printer took 83.40 ms. Allocated memory is still 1.3 GB. Free memory was 995.0 MB in the beginning and 987.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:48:35,934 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 9 procedures, 79 locations, 1 error locations. SAFE Result, 6.3s OverallTime, 31 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -527693008 SDtfs, -1315288552 SDslu, -1417971000 SDs, 0 SdLazy, 1790237122 SolverSat, -1471473646 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12297 GetRequests, 12026 SyntacticMatches, 97 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16339 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1189 NumberOfCodeBlocks, 1189 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 1159 ConstructedInterpolants, 0 QuantifiedInterpolants, 107387 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 22 PerfectInterpolantSequences, 341/371 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: 140]: 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: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (0 == pumpRunning && systemActive == 1) && systemActive == waterLevel - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || \old(pumpRunning) == pumpRunning) || 0 == systemActive - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 635]: 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 368.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.29 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 651.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. * CodeCheck took 6622.41 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 97.5 MB). Free memory was 1.1 GB in the beginning and 995.0 MB in the end (delta: 65.2 MB). Peak memory consumption was 162.7 MB. Max. memory is 11.5 GB. * Witness Printer took 83.40 ms. Allocated memory is still 1.3 GB. Free memory was 995.0 MB in the beginning and 987.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...