./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product23_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_56dd47e4-154d-4160-a39f-f072fb7ad2f9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_56dd47e4-154d-4160-a39f-f072fb7ad2f9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_56dd47e4-154d-4160-a39f-f072fb7ad2f9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_56dd47e4-154d-4160-a39f-f072fb7ad2f9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_56dd47e4-154d-4160-a39f-f072fb7ad2f9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_56dd47e4-154d-4160-a39f-f072fb7ad2f9/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 87504a1abfe2d10f353d562b38ba2c6a9363e65c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:04:44,456 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 16:04:44,458 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 16:04:44,464 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 16:04:44,465 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 16:04:44,465 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 16:04:44,466 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 16:04:44,467 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 16:04:44,468 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 16:04:44,469 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 16:04:44,470 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 16:04:44,470 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 16:04:44,470 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 16:04:44,471 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 16:04:44,472 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 16:04:44,473 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 16:04:44,473 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 16:04:44,474 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 16:04:44,476 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 16:04:44,477 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 16:04:44,477 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 16:04:44,478 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 16:04:44,480 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 16:04:44,480 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 16:04:44,480 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 16:04:44,481 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 16:04:44,482 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 16:04:44,482 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 16:04:44,483 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 16:04:44,483 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 16:04:44,484 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 16:04:44,484 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 16:04:44,484 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 16:04:44,484 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 16:04:44,485 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 16:04:44,486 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 16:04:44,486 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_56dd47e4-154d-4160-a39f-f072fb7ad2f9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 16:04:44,496 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 16:04:44,496 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 16:04:44,497 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 16:04:44,497 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 16:04:44,498 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 16:04:44,498 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 16:04:44,498 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 16:04:44,498 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 16:04:44,498 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 16:04:44,498 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 16:04:44,498 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 16:04:44,499 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 16:04:44,499 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 16:04:44,499 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 16:04:44,499 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 16:04:44,499 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 16:04:44,499 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 16:04:44,500 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 16:04:44,500 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 16:04:44,500 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 16:04:44,500 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 16:04:44,500 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 16:04:44,500 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 16:04:44,500 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 16:04:44,501 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 16:04:44,501 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 16:04:44,501 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 16:04:44,501 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 16:04:44,501 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 16:04:44,501 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_56dd47e4-154d-4160-a39f-f072fb7ad2f9/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 -> 87504a1abfe2d10f353d562b38ba2c6a9363e65c [2018-11-23 16:04:44,525 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 16:04:44,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 16:04:44,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 16:04:44,535 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 16:04:44,535 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 16:04:44,536 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_56dd47e4-154d-4160-a39f-f072fb7ad2f9/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c [2018-11-23 16:04:44,571 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56dd47e4-154d-4160-a39f-f072fb7ad2f9/bin-2019/ukojak/data/350c7e8e1/4e008029c6404bec8b720a0f9295965a/FLAG1ca42c974 [2018-11-23 16:04:44,993 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 16:04:44,994 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_56dd47e4-154d-4160-a39f-f072fb7ad2f9/sv-benchmarks/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c [2018-11-23 16:04:44,999 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56dd47e4-154d-4160-a39f-f072fb7ad2f9/bin-2019/ukojak/data/350c7e8e1/4e008029c6404bec8b720a0f9295965a/FLAG1ca42c974 [2018-11-23 16:04:45,008 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_56dd47e4-154d-4160-a39f-f072fb7ad2f9/bin-2019/ukojak/data/350c7e8e1/4e008029c6404bec8b720a0f9295965a [2018-11-23 16:04:45,011 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 16:04:45,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 16:04:45,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 16:04:45,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 16:04:45,015 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 16:04:45,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:04:45" (1/1) ... [2018-11-23 16:04:45,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d722fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:45, skipping insertion in model container [2018-11-23 16:04:45,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:04:45" (1/1) ... [2018-11-23 16:04:45,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 16:04:45,056 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 16:04:45,249 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:04:45,257 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 16:04:45,347 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:04:45,364 INFO L195 MainTranslator]: Completed translation [2018-11-23 16:04:45,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:45 WrapperNode [2018-11-23 16:04:45,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 16:04:45,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 16:04:45,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 16:04:45,365 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 16:04:45,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:45" (1/1) ... [2018-11-23 16:04:45,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:45" (1/1) ... [2018-11-23 16:04:45,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 16:04:45,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 16:04:45,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 16:04:45,402 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 16:04:45,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:45" (1/1) ... [2018-11-23 16:04:45,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:45" (1/1) ... [2018-11-23 16:04:45,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:45" (1/1) ... [2018-11-23 16:04:45,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:45" (1/1) ... [2018-11-23 16:04:45,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:45" (1/1) ... [2018-11-23 16:04:45,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:45" (1/1) ... [2018-11-23 16:04:45,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:45" (1/1) ... [2018-11-23 16:04:45,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 16:04:45,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 16:04:45,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 16:04:45,421 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 16:04:45,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_56dd47e4-154d-4160-a39f-f072fb7ad2f9/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 16:04:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 16:04:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 16:04:45,453 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 16:04:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 16:04:45,453 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 16:04:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 16:04:45,454 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 16:04:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 16:04:45,454 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 16:04:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 16:04:45,454 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 16:04:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 16:04:45,454 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 16:04:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 16:04:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 16:04:45,455 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 16:04:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 16:04:45,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 16:04:45,944 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 16:04:45,944 INFO L280 CfgBuilder]: Removed 40 assue(true) statements. [2018-11-23 16:04:45,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:04:45 BoogieIcfgContainer [2018-11-23 16:04:45,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 16:04:45,945 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 16:04:45,945 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 16:04:45,951 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 16:04:45,952 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:04:45" (1/1) ... [2018-11-23 16:04:45,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:04:45,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:45,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 58 states and 80 transitions. [2018-11-23 16:04:45,986 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2018-11-23 16:04:45,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 16:04:45,990 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:46,115 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 16:04:46,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:46,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 58 states and 78 transitions. [2018-11-23 16:04:46,125 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2018-11-23 16:04:46,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 16:04:46,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:46,199 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 16:04:46,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:46,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 60 states and 81 transitions. [2018-11-23 16:04:46,225 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2018-11-23 16:04:46,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 16:04:46,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:46,290 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 16:04:46,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:46,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 102 transitions. [2018-11-23 16:04:46,393 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2018-11-23 16:04:46,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 16:04:46,394 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:46,423 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 16:04:46,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:46,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 71 states and 103 transitions. [2018-11-23 16:04:46,429 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 103 transitions. [2018-11-23 16:04:46,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 16:04:46,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:46,459 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 16:04:46,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:46,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 72 states and 104 transitions. [2018-11-23 16:04:46,473 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 104 transitions. [2018-11-23 16:04:46,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 16:04:46,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:46,497 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 16:04:46,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:46,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 73 states and 105 transitions. [2018-11-23 16:04:46,505 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 105 transitions. [2018-11-23 16:04:46,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 16:04:46,506 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:46,578 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 16:04:46,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:46,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 89 states and 140 transitions. [2018-11-23 16:04:46,786 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 140 transitions. [2018-11-23 16:04:46,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 16:04:46,787 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:46,810 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 16:04:46,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:46,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 93 states and 148 transitions. [2018-11-23 16:04:46,834 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 148 transitions. [2018-11-23 16:04:46,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 16:04:46,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:46,856 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 16:04:46,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:46,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 94 states and 149 transitions. [2018-11-23 16:04:46,869 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 149 transitions. [2018-11-23 16:04:46,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 16:04:46,870 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:46,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:04:46,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:46,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 95 states and 150 transitions. [2018-11-23 16:04:46,898 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 150 transitions. [2018-11-23 16:04:46,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 16:04:46,900 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:46,958 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 16:04:47,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:47,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 98 states and 158 transitions. [2018-11-23 16:04:47,042 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 158 transitions. [2018-11-23 16:04:47,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 16:04:47,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:47,150 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 16:04:47,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:47,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 112 states and 193 transitions. [2018-11-23 16:04:47,627 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 193 transitions. [2018-11-23 16:04:47,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 16:04:47,628 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:47,651 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 16:04:47,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:47,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 113 states and 194 transitions. [2018-11-23 16:04:47,672 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 194 transitions. [2018-11-23 16:04:47,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 16:04:47,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:47,931 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 16:04:48,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:48,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 121 states and 215 transitions. [2018-11-23 16:04:48,287 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 215 transitions. [2018-11-23 16:04:48,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 16:04:48,288 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:48,310 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 16:04:48,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:48,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 122 states and 216 transitions. [2018-11-23 16:04:48,321 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 216 transitions. [2018-11-23 16:04:48,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 16:04:48,322 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:48,404 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 16:04:48,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:48,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 123 states and 217 transitions. [2018-11-23 16:04:48,413 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 217 transitions. [2018-11-23 16:04:48,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 16:04:48,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:48,496 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 16:04:48,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:48,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 124 states and 218 transitions. [2018-11-23 16:04:48,518 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 218 transitions. [2018-11-23 16:04:48,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 16:04:48,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:48,584 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 16:04:48,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:48,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 134 states and 245 transitions. [2018-11-23 16:04:48,930 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 245 transitions. [2018-11-23 16:04:48,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 16:04:48,931 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:48,945 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 16:04:49,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:49,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 139 states and 255 transitions. [2018-11-23 16:04:49,076 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 255 transitions. [2018-11-23 16:04:49,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 16:04:49,077 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:49,099 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 16:04:49,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:49,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 140 states and 256 transitions. [2018-11-23 16:04:49,159 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 256 transitions. [2018-11-23 16:04:49,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 16:04:49,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:49,180 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 16:04:49,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:49,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 141 states and 257 transitions. [2018-11-23 16:04:49,208 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 257 transitions. [2018-11-23 16:04:49,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 16:04:49,208 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:49,228 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 16:04:49,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:49,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 142 states and 258 transitions. [2018-11-23 16:04:49,253 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 258 transitions. [2018-11-23 16:04:49,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 16:04:49,254 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:49,272 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 16:04:49,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:49,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 143 states and 259 transitions. [2018-11-23 16:04:49,305 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 259 transitions. [2018-11-23 16:04:49,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 16:04:49,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:49,362 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 16:04:49,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:49,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 154 states and 302 transitions. [2018-11-23 16:04:49,786 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 302 transitions. [2018-11-23 16:04:49,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 16:04:49,787 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:49,802 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 16:04:49,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:49,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 156 states and 305 transitions. [2018-11-23 16:04:49,939 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 305 transitions. [2018-11-23 16:04:49,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 16:04:49,940 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:50,139 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:04:51,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:51,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 164 states and 333 transitions. [2018-11-23 16:04:51,293 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 333 transitions. [2018-11-23 16:04:51,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 16:04:51,294 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:51,314 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 16:04:51,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:51,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 165 states and 333 transitions. [2018-11-23 16:04:51,323 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 333 transitions. [2018-11-23 16:04:51,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 16:04:51,324 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:51,343 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 16:04:51,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:51,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 166 states and 334 transitions. [2018-11-23 16:04:51,373 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 334 transitions. [2018-11-23 16:04:51,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 16:04:51,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:51,395 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 16:04:51,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:51,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 167 states and 335 transitions. [2018-11-23 16:04:51,407 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 335 transitions. [2018-11-23 16:04:51,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 16:04:51,408 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:51,643 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:04:52,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:52,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 170 states and 344 transitions. [2018-11-23 16:04:52,085 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 344 transitions. [2018-11-23 16:04:52,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 16:04:52,086 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:52,121 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 16:04:53,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:53,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 184 states and 380 transitions. [2018-11-23 16:04:53,148 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 380 transitions. [2018-11-23 16:04:53,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 16:04:53,149 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:53,194 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 16:04:53,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:53,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 185 states and 381 transitions. [2018-11-23 16:04:53,202 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 381 transitions. [2018-11-23 16:04:53,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 16:04:53,203 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:53,244 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 16:04:53,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:53,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 186 states and 382 transitions. [2018-11-23 16:04:53,273 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 382 transitions. [2018-11-23 16:04:53,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 16:04:53,274 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:53,301 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 16:04:53,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:53,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 187 states and 383 transitions. [2018-11-23 16:04:53,313 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 383 transitions. [2018-11-23 16:04:53,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 16:04:53,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:53,329 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 16:04:53,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:53,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 194 states and 395 transitions. [2018-11-23 16:04:53,553 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 395 transitions. [2018-11-23 16:04:53,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 16:04:53,554 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:53,569 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 16:04:53,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:53,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 196 states and 396 transitions. [2018-11-23 16:04:53,768 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 396 transitions. [2018-11-23 16:04:53,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 16:04:53,769 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:53,788 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 16:04:54,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:54,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 200 states and 416 transitions. [2018-11-23 16:04:54,321 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 416 transitions. [2018-11-23 16:04:54,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 16:04:54,322 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:54,432 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 16:04:54,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:54,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 202 states and 420 transitions. [2018-11-23 16:04:54,835 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 420 transitions. [2018-11-23 16:04:54,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 16:04:54,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:54,966 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 16:04:55,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:55,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 204 states and 429 transitions. [2018-11-23 16:04:55,202 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 429 transitions. [2018-11-23 16:04:55,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 16:04:55,203 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:55,263 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 16:04:55,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:55,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 202 states and 419 transitions. [2018-11-23 16:04:55,285 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 419 transitions. [2018-11-23 16:04:55,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 16:04:55,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:55,418 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:04:56,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:56,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 207 states and 435 transitions. [2018-11-23 16:04:56,265 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 435 transitions. [2018-11-23 16:04:56,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 16:04:56,266 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:56,358 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 16:04:56,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:56,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 209 states and 436 transitions. [2018-11-23 16:04:56,850 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 436 transitions. [2018-11-23 16:04:56,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 16:04:56,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:56,866 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 16:04:56,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:56,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 213 states and 443 transitions. [2018-11-23 16:04:56,890 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 443 transitions. [2018-11-23 16:04:56,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 16:04:56,891 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:56,907 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 16:04:57,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:57,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 214 states and 445 transitions. [2018-11-23 16:04:57,067 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 445 transitions. [2018-11-23 16:04:57,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 16:04:57,067 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:57,078 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 16:04:57,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:57,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 215 states and 448 transitions. [2018-11-23 16:04:57,122 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 448 transitions. [2018-11-23 16:04:57,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 16:04:57,122 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:57,137 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 16:04:57,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:57,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 216 states and 451 transitions. [2018-11-23 16:04:57,170 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 451 transitions. [2018-11-23 16:04:57,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 16:04:57,170 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:57,185 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 16:04:57,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:57,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 220 states and 456 transitions. [2018-11-23 16:04:57,383 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 456 transitions. [2018-11-23 16:04:57,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 16:04:57,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:57,399 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 16:04:57,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:57,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 221 states and 459 transitions. [2018-11-23 16:04:57,615 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 459 transitions. [2018-11-23 16:04:57,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 16:04:57,616 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:57,631 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 16:04:57,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:57,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 222 states and 460 transitions. [2018-11-23 16:04:57,677 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 460 transitions. [2018-11-23 16:04:57,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 16:04:57,678 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:57,693 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 16:04:57,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:57,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 225 states and 466 transitions. [2018-11-23 16:04:57,963 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 466 transitions. [2018-11-23 16:04:57,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 16:04:57,964 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:58,013 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 16:04:58,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:58,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 230 states and 481 transitions. [2018-11-23 16:04:58,429 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 481 transitions. [2018-11-23 16:04:58,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 16:04:58,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:58,444 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 16:04:58,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:58,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 231 states and 478 transitions. [2018-11-23 16:04:58,698 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 478 transitions. [2018-11-23 16:04:58,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 16:04:58,699 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:58,739 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 16:04:58,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:58,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 233 states and 482 transitions. [2018-11-23 16:04:58,961 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 482 transitions. [2018-11-23 16:04:58,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 16:04:58,961 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:58,997 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 16:04:59,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:59,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 231 states and 478 transitions. [2018-11-23 16:04:59,021 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 478 transitions. [2018-11-23 16:04:59,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 16:04:59,021 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:59,032 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 16:04:59,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:59,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 236 states and 488 transitions. [2018-11-23 16:04:59,432 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 488 transitions. [2018-11-23 16:04:59,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 16:04:59,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:59,447 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 16:04:59,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:59,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 226 states and 464 transitions. [2018-11-23 16:04:59,487 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 464 transitions. [2018-11-23 16:04:59,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 16:04:59,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:59,502 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 16:04:59,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:59,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 227 states and 464 transitions. [2018-11-23 16:04:59,529 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 464 transitions. [2018-11-23 16:04:59,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 16:04:59,529 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:59,543 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 16:04:59,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:59,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 211 states and 434 transitions. [2018-11-23 16:04:59,577 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 434 transitions. [2018-11-23 16:04:59,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 16:04:59,578 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:59,593 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 16:04:59,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:59,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 206 states and 422 transitions. [2018-11-23 16:04:59,618 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 422 transitions. [2018-11-23 16:04:59,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 16:04:59,619 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:59,667 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 16:05:00,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:05:00,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 204 states and 405 transitions. [2018-11-23 16:05:00,071 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 405 transitions. [2018-11-23 16:05:00,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 16:05:00,072 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:05:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:05:00,425 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 16:05:01,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:05:01,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 214 states and 449 transitions. [2018-11-23 16:05:01,739 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 449 transitions. [2018-11-23 16:05:01,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 16:05:01,739 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:05:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:05:01,859 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 16:05:02,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:05:02,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 214 states and 448 transitions. [2018-11-23 16:05:02,169 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 448 transitions. [2018-11-23 16:05:02,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 16:05:02,169 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:05:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:05:02,300 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 16:05:02,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:05:02,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 214 states and 448 transitions. [2018-11-23 16:05:02,353 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 448 transitions. [2018-11-23 16:05:02,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 16:05:02,354 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:05:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:05:02,470 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 16:05:02,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:05:02,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 214 states and 448 transitions. [2018-11-23 16:05:02,508 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 448 transitions. [2018-11-23 16:05:02,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 16:05:02,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:05:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:05:02,613 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 16:05:02,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:05:02,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 214 states and 448 transitions. [2018-11-23 16:05:02,654 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 448 transitions. [2018-11-23 16:05:02,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 16:05:02,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:05:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:05:02,758 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 16:05:02,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:05:02,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 214 states and 448 transitions. [2018-11-23 16:05:02,795 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 448 transitions. [2018-11-23 16:05:02,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 16:05:02,796 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:05:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:05:02,895 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 16:05:02,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:05:02,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 214 states and 448 transitions. [2018-11-23 16:05:02,932 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 448 transitions. [2018-11-23 16:05:02,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 16:05:02,933 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:05:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:05:03,034 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 16:05:03,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:05:03,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 214 states and 448 transitions. [2018-11-23 16:05:03,070 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 448 transitions. [2018-11-23 16:05:03,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 16:05:03,071 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:05:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:05:03,615 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 25 proven. 20 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 16:05:04,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:05:04,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 218 states and 465 transitions. [2018-11-23 16:05:04,503 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 465 transitions. [2018-11-23 16:05:04,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 16:05:04,504 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:05:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:05:04,868 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 25 proven. 20 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 16:05:05,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:05:05,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 220 states and 465 transitions. [2018-11-23 16:05:05,274 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 465 transitions. [2018-11-23 16:05:05,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 16:05:05,274 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:05:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:05:05,421 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 16:05:06,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:05:06,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 226 states and 482 transitions. [2018-11-23 16:05:06,015 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 482 transitions. [2018-11-23 16:05:06,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 16:05:06,016 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:05:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:05:06,123 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 16:05:06,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:05:06,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 226 states and 482 transitions. [2018-11-23 16:05:06,181 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 482 transitions. [2018-11-23 16:05:06,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 16:05:06,181 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:05:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:05:06,294 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 16:05:06,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:05:06,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 226 states and 482 transitions. [2018-11-23 16:05:06,354 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 482 transitions. [2018-11-23 16:05:06,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 16:05:06,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:05:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:05:06,748 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 27 proven. 20 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 16:05:06,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:05:06,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 151 states and 274 transitions. [2018-11-23 16:05:06,966 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 274 transitions. [2018-11-23 16:05:06,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 16:05:06,967 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 75 iterations. [2018-11-23 16:05:06,975 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 16:05:07,232 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 16:05:07,234 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-23 16:05:07,237 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-23 16:05:07,238 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 16:05:07,239 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-23 16:05:07,239 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 16:05:07,239 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 16:05:07,239 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 16:05:07,239 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-23 16:05:07,240 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 16:05:07,240 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 16:05:07,240 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 16:05:07,240 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 16:05:07,240 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 16:05:07,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 04:05:07 ImpRootNode [2018-11-23 16:05:07,241 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 16:05:07,241 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 16:05:07,241 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 16:05:07,241 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 16:05:07,242 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:04:45" (3/4) ... [2018-11-23 16:05:07,245 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 16:05:07,249 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 16:05:07,249 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 16:05:07,249 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 16:05:07,249 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 16:05:07,250 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 16:05:07,250 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 16:05:07,250 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 16:05:07,254 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2018-11-23 16:05:07,254 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-23 16:05:07,255 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 16:05:07,255 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 16:05:07,255 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 16:05:07,255 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 16:05:07,256 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 16:05:07,278 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == \old(waterLevel) && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || (0 == waterLevel && systemActive == 1) [2018-11-23 16:05:07,278 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == waterLevel || !(0 == pumpRunning)) || ((!(systemActive == 0) && waterLevel == \old(waterLevel)) && \old(pumpRunning) == pumpRunning) [2018-11-23 16:05:07,279 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-11-23 16:05:07,279 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == pumpRunning) || (systemActive == 0 && !(0 == pumpRunning))) || !(\old(waterLevel) <= 0 || !(tmp == 0))) || tmp == waterLevel) || (0 == pumpRunning && tmp == \old(waterLevel))) || (!(0 == pumpRunning) && 0 == tmp) [2018-11-23 16:05:07,305 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_56dd47e4-154d-4160-a39f-f072fb7ad2f9/bin-2019/ukojak/witness.graphml [2018-11-23 16:05:07,305 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 16:05:07,306 INFO L168 Benchmark]: Toolchain (without parser) took 22294.75 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 611.8 MB). Free memory was 951.1 MB in the beginning and 1.3 GB in the end (delta: -345.6 MB). Peak memory consumption was 266.3 MB. Max. memory is 11.5 GB. [2018-11-23 16:05:07,307 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 16:05:07,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-23 16:05:07,307 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.48 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 16:05:07,307 INFO L168 Benchmark]: Boogie Preprocessor took 18.42 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 16:05:07,308 INFO L168 Benchmark]: RCFGBuilder took 523.81 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: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. [2018-11-23 16:05:07,308 INFO L168 Benchmark]: CodeCheck took 21295.96 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 472.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -262.1 MB). Peak memory consumption was 210.8 MB. Max. memory is 11.5 GB. [2018-11-23 16:05:07,308 INFO L168 Benchmark]: Witness Printer took 64.07 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-23 16:05:07,310 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 8 procedures, 78 locations, 1 error locations. SAFE Result, 21.0s OverallTime, 75 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1359151360 SDtfs, -1185545228 SDslu, 1204224720 SDs, 0 SdLazy, 60249944 SolverSat, 251037424 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 47.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39354 GetRequests, 38348 SyntacticMatches, 644 SemanticMatches, 362 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99281 ImplicationChecksByTransitivity, 17.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 3309 NumberOfCodeBlocks, 3309 NumberOfCodeBlocksAsserted, 74 NumberOfCheckSat, 3235 ConstructedInterpolants, 0 QuantifiedInterpolants, 484348 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 74 InterpolantComputations, 46 PerfectInterpolantSequences, 1274/1536 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: 44]: 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: 825]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: ((waterLevel == \old(waterLevel) && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || (0 == waterLevel && systemActive == 1) - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == pumpRunning) || (systemActive == 0 && !(0 == pumpRunning))) || !(\old(waterLevel) <= 0 || !(tmp == 0))) || tmp == waterLevel) || (0 == pumpRunning && tmp == \old(waterLevel))) || (!(0 == pumpRunning) && 0 == tmp) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: (0 == pumpRunning && systemActive == 1) && systemActive == waterLevel - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 663]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (0 == waterLevel || !(0 == pumpRunning)) || ((!(systemActive == 0) && waterLevel == \old(waterLevel)) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 351.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.48 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.42 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 523.81 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: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. * CodeCheck took 21295.96 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 472.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -262.1 MB). Peak memory consumption was 210.8 MB. Max. memory is 11.5 GB. * Witness Printer took 64.07 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...