./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product16_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0986cbbc-9751-42c7-942b-8bf816316e3a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0986cbbc-9751-42c7-942b-8bf816316e3a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0986cbbc-9751-42c7-942b-8bf816316e3a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0986cbbc-9751-42c7-942b-8bf816316e3a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product16_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0986cbbc-9751-42c7-942b-8bf816316e3a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0986cbbc-9751-42c7-942b-8bf816316e3a/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 97e1e79d9f040fa1d57b96c793652004756593a5 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:44:24,343 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:44:24,344 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:44:24,352 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:44:24,353 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:44:24,353 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:44:24,354 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:44:24,355 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:44:24,356 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:44:24,357 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:44:24,357 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:44:24,358 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:44:24,358 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:44:24,359 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:44:24,359 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:44:24,360 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:44:24,361 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:44:24,362 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:44:24,363 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:44:24,364 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:44:24,365 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:44:24,366 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:44:24,367 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:44:24,367 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:44:24,367 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:44:24,368 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:44:24,369 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:44:24,369 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:44:24,370 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:44:24,370 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:44:24,370 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:44:24,371 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:44:24,371 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:44:24,371 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:44:24,372 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:44:24,372 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:44:24,373 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0986cbbc-9751-42c7-942b-8bf816316e3a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 10:44:24,382 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:44:24,382 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:44:24,383 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:44:24,383 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:44:24,383 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:44:24,383 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:44:24,384 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:44:24,384 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:44:24,384 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:44:24,384 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:44:24,384 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:44:24,384 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:44:24,384 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:44:24,384 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:44:24,385 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:44:24,385 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:44:24,385 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:44:24,385 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 10:44:24,385 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 10:44:24,385 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:44:24,385 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:44:24,386 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:44:24,386 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:44:24,386 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:44:24,386 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:44:24,386 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 10:44:24,386 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:44:24,386 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:44:24,387 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_0986cbbc-9751-42c7-942b-8bf816316e3a/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 -> 97e1e79d9f040fa1d57b96c793652004756593a5 [2018-11-10 10:44:24,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:44:24,418 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:44:24,421 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:44:24,422 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:44:24,422 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:44:24,423 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0986cbbc-9751-42c7-942b-8bf816316e3a/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product16_true-unreach-call_false-termination.cil.c [2018-11-10 10:44:24,467 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0986cbbc-9751-42c7-942b-8bf816316e3a/bin-2019/ukojak/data/975e4f26f/8446e1ea87394fc58f7bf618ee0210ab/FLAG5f5901126 [2018-11-10 10:44:24,899 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:44:24,899 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0986cbbc-9751-42c7-942b-8bf816316e3a/sv-benchmarks/c/product-lines/minepump_spec1_product16_true-unreach-call_false-termination.cil.c [2018-11-10 10:44:24,907 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0986cbbc-9751-42c7-942b-8bf816316e3a/bin-2019/ukojak/data/975e4f26f/8446e1ea87394fc58f7bf618ee0210ab/FLAG5f5901126 [2018-11-10 10:44:24,916 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0986cbbc-9751-42c7-942b-8bf816316e3a/bin-2019/ukojak/data/975e4f26f/8446e1ea87394fc58f7bf618ee0210ab [2018-11-10 10:44:24,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:44:24,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:44:24,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:44:24,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:44:24,921 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:44:24,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:44:24" (1/1) ... [2018-11-10 10:44:24,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70607c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:24, skipping insertion in model container [2018-11-10 10:44:24,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:44:24" (1/1) ... [2018-11-10 10:44:24,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:44:24,958 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:44:25,137 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:44:25,145 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:44:25,195 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:44:25,213 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:44:25,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:25 WrapperNode [2018-11-10 10:44:25,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:44:25,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:44:25,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:44:25,214 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:44:25,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:25" (1/1) ... [2018-11-10 10:44:25,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:25" (1/1) ... [2018-11-10 10:44:25,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:44:25,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:44:25,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:44:25,299 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:44:25,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:25" (1/1) ... [2018-11-10 10:44:25,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:25" (1/1) ... [2018-11-10 10:44:25,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:25" (1/1) ... [2018-11-10 10:44:25,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:25" (1/1) ... [2018-11-10 10:44:25,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:25" (1/1) ... [2018-11-10 10:44:25,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:25" (1/1) ... [2018-11-10 10:44:25,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:25" (1/1) ... [2018-11-10 10:44:25,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:44:25,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:44:25,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:44:25,324 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:44:25,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0986cbbc-9751-42c7-942b-8bf816316e3a/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 [2018-11-10 10:44:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 10:44:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 10:44:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 10:44:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 10:44:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 10:44:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 10:44:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 10:44:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 10:44:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 10:44:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 10:44:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 10:44:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 10:44:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 10:44:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 10:44:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 10:44:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 10:44:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 10:44:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:44:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:44:26,315 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:44:26,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:44:26 BoogieIcfgContainer [2018-11-10 10:44:26,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:44:26,316 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 10:44:26,316 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 10:44:26,324 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 10:44:26,324 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:44:26" (1/1) ... [2018-11-10 10:44:26,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:44:26,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:26,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2018-11-10 10:44:26,356 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2018-11-10 10:44:26,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 10:44:26,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:26,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:44:26,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:26,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 64 states and 82 transitions. [2018-11-10 10:44:26,519 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2018-11-10 10:44:26,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 10:44:26,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:26,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:44:26,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:26,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 67 states and 86 transitions. [2018-11-10 10:44:26,627 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2018-11-10 10:44:26,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 10:44:26,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:26,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:44:26,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:26,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 70 states and 94 transitions. [2018-11-10 10:44:26,722 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2018-11-10 10:44:26,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 10:44:26,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:26,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:44:27,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:27,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 82 states and 117 transitions. [2018-11-10 10:44:27,003 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 117 transitions. [2018-11-10 10:44:27,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 10:44:27,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:27,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:44:27,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:27,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 83 states and 118 transitions. [2018-11-10 10:44:27,072 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 118 transitions. [2018-11-10 10:44:27,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 10:44:27,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:27,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:44:27,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:27,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 101 states and 156 transitions. [2018-11-10 10:44:27,482 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 156 transitions. [2018-11-10 10:44:27,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 10:44:27,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:27,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:44:27,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:27,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 102 states and 157 transitions. [2018-11-10 10:44:27,551 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 157 transitions. [2018-11-10 10:44:27,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 10:44:27,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:27,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:44:27,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:27,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 108 states and 171 transitions. [2018-11-10 10:44:27,687 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 171 transitions. [2018-11-10 10:44:27,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 10:44:27,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:27,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:44:27,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:27,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 109 states and 172 transitions. [2018-11-10 10:44:27,731 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 172 transitions. [2018-11-10 10:44:27,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 10:44:27,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:27,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:44:28,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:28,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 128 states and 212 transitions. [2018-11-10 10:44:28,661 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 212 transitions. [2018-11-10 10:44:28,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 10:44:28,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:28,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:44:28,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:28,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 134 states and 224 transitions. [2018-11-10 10:44:28,787 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 224 transitions. [2018-11-10 10:44:28,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 10:44:28,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:28,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:44:28,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:28,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 138 states and 231 transitions. [2018-11-10 10:44:28,903 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 231 transitions. [2018-11-10 10:44:28,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 10:44:28,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:28,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:44:28,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:28,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 139 states and 232 transitions. [2018-11-10 10:44:28,963 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 232 transitions. [2018-11-10 10:44:28,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 10:44:28,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:29,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:44:29,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:29,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 142 states and 239 transitions. [2018-11-10 10:44:29,124 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 239 transitions. [2018-11-10 10:44:29,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 10:44:29,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:29,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:44:29,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:29,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 146 states and 250 transitions. [2018-11-10 10:44:29,256 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 250 transitions. [2018-11-10 10:44:29,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 10:44:29,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:29,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:44:29,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:29,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 149 states and 258 transitions. [2018-11-10 10:44:29,424 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 258 transitions. [2018-11-10 10:44:29,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 10:44:29,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:29,500 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:44:29,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:29,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 158 states and 283 transitions. [2018-11-10 10:44:29,796 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 283 transitions. [2018-11-10 10:44:29,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 10:44:29,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:29,816 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:44:30,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:30,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 161 states and 289 transitions. [2018-11-10 10:44:30,105 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 289 transitions. [2018-11-10 10:44:30,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 10:44:30,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:30,123 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:44:30,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:30,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 162 states and 291 transitions. [2018-11-10 10:44:30,286 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 291 transitions. [2018-11-10 10:44:30,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 10:44:30,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:30,305 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:44:30,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:30,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 160 states and 287 transitions. [2018-11-10 10:44:30,321 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 287 transitions. [2018-11-10 10:44:30,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 10:44:30,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:30,664 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 10:44:31,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:31,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 168 states and 305 transitions. [2018-11-10 10:44:31,538 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 305 transitions. [2018-11-10 10:44:31,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 10:44:31,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:31,766 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 10:44:32,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:32,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 172 states and 316 transitions. [2018-11-10 10:44:32,119 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 316 transitions. [2018-11-10 10:44:32,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 10:44:32,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:32,140 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:44:32,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:32,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 178 states and 330 transitions. [2018-11-10 10:44:32,527 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 330 transitions. [2018-11-10 10:44:32,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 10:44:32,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:32,547 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:44:32,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:32,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 179 states and 334 transitions. [2018-11-10 10:44:32,754 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 334 transitions. [2018-11-10 10:44:32,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 10:44:32,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:32,776 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 10:44:33,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:33,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 188 states and 347 transitions. [2018-11-10 10:44:33,038 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 347 transitions. [2018-11-10 10:44:33,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 10:44:33,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:33,055 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 10:44:33,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:33,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 191 states and 349 transitions. [2018-11-10 10:44:33,223 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 349 transitions. [2018-11-10 10:44:33,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 10:44:33,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:33,242 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 10:44:33,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:33,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 192 states and 350 transitions. [2018-11-10 10:44:33,252 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 350 transitions. [2018-11-10 10:44:33,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 10:44:33,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:33,342 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 10:44:34,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:34,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 210 states and 403 transitions. [2018-11-10 10:44:34,727 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 403 transitions. [2018-11-10 10:44:34,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 10:44:34,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:34,749 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 10:44:34,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:34,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 213 states and 410 transitions. [2018-11-10 10:44:34,931 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 410 transitions. [2018-11-10 10:44:34,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 10:44:34,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:35,025 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 10:44:35,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:35,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 216 states and 414 transitions. [2018-11-10 10:44:35,838 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 414 transitions. [2018-11-10 10:44:35,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 10:44:35,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:35,858 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:44:37,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:37,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 236 states and 454 transitions. [2018-11-10 10:44:37,257 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 454 transitions. [2018-11-10 10:44:37,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 10:44:37,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:37,278 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 10:44:38,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:38,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 247 states and 470 transitions. [2018-11-10 10:44:38,358 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 470 transitions. [2018-11-10 10:44:38,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 10:44:38,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:38,399 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 10:44:38,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:38,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 250 states and 472 transitions. [2018-11-10 10:44:38,640 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 472 transitions. [2018-11-10 10:44:38,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 10:44:38,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:38,693 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:44:39,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:39,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 257 states and 484 transitions. [2018-11-10 10:44:39,230 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 484 transitions. [2018-11-10 10:44:39,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 10:44:39,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:39,256 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 10:44:39,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:39,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 258 states and 485 transitions. [2018-11-10 10:44:39,272 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 485 transitions. [2018-11-10 10:44:39,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 10:44:39,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:39,444 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 10:44:39,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:39,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 261 states and 489 transitions. [2018-11-10 10:44:39,523 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 489 transitions. [2018-11-10 10:44:39,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 10:44:39,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:39,534 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:44:39,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:39,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 261 states and 491 transitions. [2018-11-10 10:44:39,995 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 491 transitions. [2018-11-10 10:44:39,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 10:44:39,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:40,017 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 10:44:40,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:40,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 263 states and 496 transitions. [2018-11-10 10:44:40,173 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 496 transitions. [2018-11-10 10:44:40,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 10:44:40,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:40,186 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:44:40,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:40,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 264 states and 497 transitions. [2018-11-10 10:44:40,198 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 497 transitions. [2018-11-10 10:44:40,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 10:44:40,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:40,264 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 10:44:41,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:41,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 271 states and 513 transitions. [2018-11-10 10:44:41,151 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 513 transitions. [2018-11-10 10:44:41,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 10:44:41,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:41,215 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 10:44:41,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:41,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 273 states and 514 transitions. [2018-11-10 10:44:41,231 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 514 transitions. [2018-11-10 10:44:41,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-10 10:44:41,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:41,310 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 10:44:42,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:42,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 281 states and 524 transitions. [2018-11-10 10:44:42,288 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 524 transitions. [2018-11-10 10:44:42,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 10:44:42,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:42,346 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 10:44:42,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:42,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 284 states and 526 transitions. [2018-11-10 10:44:42,787 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 526 transitions. [2018-11-10 10:44:42,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-10 10:44:42,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:42,882 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 10:44:43,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:43,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 293 states and 539 transitions. [2018-11-10 10:44:43,734 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 539 transitions. [2018-11-10 10:44:43,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 10:44:43,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:43,746 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 10:44:43,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:43,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 298 states and 547 transitions. [2018-11-10 10:44:43,996 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 547 transitions. [2018-11-10 10:44:43,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 10:44:43,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:44,007 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:44:44,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:44,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 307 states and 562 transitions. [2018-11-10 10:44:44,405 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 562 transitions. [2018-11-10 10:44:44,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 10:44:44,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:44,417 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:44:44,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:44,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 310 states and 564 transitions. [2018-11-10 10:44:44,640 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 564 transitions. [2018-11-10 10:44:44,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-10 10:44:44,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:44,707 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 10:44:45,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:45,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 246 states and 408 transitions. [2018-11-10 10:44:45,780 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 408 transitions. [2018-11-10 10:44:45,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 10:44:45,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:45,794 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 10:44:45,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:45,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 244 states and 404 transitions. [2018-11-10 10:44:45,823 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 404 transitions. [2018-11-10 10:44:45,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 10:44:45,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:45,840 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 10:44:46,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:46,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 245 states and 408 transitions. [2018-11-10 10:44:46,129 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 408 transitions. [2018-11-10 10:44:46,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 10:44:46,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:46,141 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 10:44:46,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:46,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 248 states and 412 transitions. [2018-11-10 10:44:46,170 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 412 transitions. [2018-11-10 10:44:46,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 10:44:46,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:46,182 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 10:44:46,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:46,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 250 states and 414 transitions. [2018-11-10 10:44:46,300 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 414 transitions. [2018-11-10 10:44:46,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 10:44:46,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:46,317 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 10:44:46,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:46,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 252 states and 416 transitions. [2018-11-10 10:44:46,447 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 416 transitions. [2018-11-10 10:44:46,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 10:44:46,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:46,466 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 10:44:46,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:46,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 253 states and 417 transitions. [2018-11-10 10:44:46,606 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 417 transitions. [2018-11-10 10:44:46,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 10:44:46,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:46,626 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 10:44:46,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:46,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 241 states and 393 transitions. [2018-11-10 10:44:46,663 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 393 transitions. [2018-11-10 10:44:46,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 10:44:46,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:46,676 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 10:44:47,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:47,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 246 states and 400 transitions. [2018-11-10 10:44:47,147 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 400 transitions. [2018-11-10 10:44:47,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 10:44:47,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:47,159 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 10:44:47,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:47,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 247 states and 401 transitions. [2018-11-10 10:44:47,185 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 401 transitions. [2018-11-10 10:44:47,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 10:44:47,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:44:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:47,203 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 10:44:47,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:44:47,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 145 states and 211 transitions. [2018-11-10 10:44:47,224 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 211 transitions. [2018-11-10 10:44:47,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:44:47,224 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 59 iterations. [2018-11-10 10:44:47,232 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 10:44:47,639 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:44:47,641 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 10:44:47,644 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:44:47,644 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:44:47,644 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:44:47,645 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-11-10 10:44:47,646 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 10:44:47,646 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:44:47,646 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:44:47,646 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:44:47,646 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:44:47,646 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:44:47,646 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:44:47,647 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:44:47,647 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:44:47,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 10:44:47 ImpRootNode [2018-11-10 10:44:47,647 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 10:44:47,647 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:44:47,647 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:44:47,648 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:44:47,648 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:44:26" (3/4) ... [2018-11-10 10:44:47,651 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:44:47,655 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 10:44:47,655 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 10:44:47,655 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 10:44:47,656 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 10:44:47,656 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 10:44:47,656 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 10:44:47,656 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-10 10:44:47,656 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 10:44:47,660 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 10:44:47,661 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-10 10:44:47,661 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 10:44:47,679 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(pumpRunning) == pumpRunning || (!(0 == pumpRunning) && !(systemActive == 0))) || ((0 == methaneLevelCritical && !(systemActive == 0)) && systemActive < 1)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-11-10 10:44:47,710 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0986cbbc-9751-42c7-942b-8bf816316e3a/bin-2019/ukojak/witness.graphml [2018-11-10 10:44:47,710 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:44:47,710 INFO L168 Benchmark]: Toolchain (without parser) took 22792.56 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 684.7 MB). Free memory was 959.1 MB in the beginning and 1.5 GB in the end (delta: -587.3 MB). Peak memory consumption was 97.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:44:47,711 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:44:47,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.76 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 929.6 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:44:47,712 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 929.6 MB in the beginning and 1.1 GB in the end (delta: -214.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 10:44:47,712 INFO L168 Benchmark]: Boogie Preprocessor took 24.17 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 10:44:47,712 INFO L168 Benchmark]: RCFGBuilder took 992.41 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: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:44:47,712 INFO L168 Benchmark]: CodeCheck took 21330.87 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 534.2 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -503.1 MB). Peak memory consumption was 765.9 MB. Max. memory is 11.5 GB. [2018-11-10 10:44:47,713 INFO L168 Benchmark]: Witness Printer took 62.40 ms. Allocated memory is still 1.7 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:44:47,714 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, 122 locations, 1 error locations. SAFE Result, 20.8s OverallTime, 59 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 329992228 SDtfs, -510618708 SDslu, 77360908 SDs, 0 SdLazy, 270825140 SolverSat, 1028091708 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 40.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28855 GetRequests, 28047 SyntacticMatches, 380 SemanticMatches, 428 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88830 ImplicationChecksByTransitivity, 17.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2696 NumberOfCodeBlocks, 2696 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 2638 ConstructedInterpolants, 0 QuantifiedInterpolants, 271511 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 58 InterpolantComputations, 47 PerfectInterpolantSequences, 981/1029 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: 295]: 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: 843]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= systemActive - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 673]: Loop Invariant Derived loop invariant: ((\old(pumpRunning) == pumpRunning || (!(0 == pumpRunning) && !(systemActive == 0))) || ((0 == methaneLevelCritical && !(systemActive == 0)) && systemActive < 1)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (methaneLevelCritical == tmp || tmp == 0) || !(0 == pumpRunning) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.76 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 929.6 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 929.6 MB in the beginning and 1.1 GB in the end (delta: -214.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.17 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 992.41 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: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 11.5 GB. * CodeCheck took 21330.87 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 534.2 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -503.1 MB). Peak memory consumption was 765.9 MB. Max. memory is 11.5 GB. * Witness Printer took 62.40 ms. Allocated memory is still 1.7 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...