./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1428764e-b4c4-4827-86f8-73c060fdb640/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1428764e-b4c4-4827-86f8-73c060fdb640/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1428764e-b4c4-4827-86f8-73c060fdb640/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1428764e-b4c4-4827-86f8-73c060fdb640/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1428764e-b4c4-4827-86f8-73c060fdb640/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1428764e-b4c4-4827-86f8-73c060fdb640/bin/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 96a6a55f57d553b5130f5c53dc9262391d0aca1d .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 03:00:13,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 03:00:13,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 03:00:13,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 03:00:13,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 03:00:13,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 03:00:13,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 03:00:13,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 03:00:13,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 03:00:13,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 03:00:13,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 03:00:13,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 03:00:13,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 03:00:13,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 03:00:13,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 03:00:13,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 03:00:13,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 03:00:13,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 03:00:13,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 03:00:13,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 03:00:13,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 03:00:13,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 03:00:13,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 03:00:13,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 03:00:13,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 03:00:13,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 03:00:13,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 03:00:13,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 03:00:13,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 03:00:13,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 03:00:13,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 03:00:13,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 03:00:13,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 03:00:13,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 03:00:13,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 03:00:13,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 03:00:13,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 03:00:13,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 03:00:13,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 03:00:13,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 03:00:13,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 03:00:13,184 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1428764e-b4c4-4827-86f8-73c060fdb640/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 03:00:13,207 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 03:00:13,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 03:00:13,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 03:00:13,208 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 03:00:13,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 03:00:13,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 03:00:13,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 03:00:13,210 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 03:00:13,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 03:00:13,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 03:00:13,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 03:00:13,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 03:00:13,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 03:00:13,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 03:00:13,211 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 03:00:13,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 03:00:13,211 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 03:00:13,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 03:00:13,212 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 03:00:13,212 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 03:00:13,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 03:00:13,213 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 03:00:13,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 03:00:13,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 03:00:13,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 03:00:13,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 03:00:13,214 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 03:00:13,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 03:00:13,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 03:00:13,214 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_1428764e-b4c4-4827-86f8-73c060fdb640/bin/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 -> 96a6a55f57d553b5130f5c53dc9262391d0aca1d [2019-11-26 03:00:13,345 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 03:00:13,355 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 03:00:13,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 03:00:13,359 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 03:00:13,360 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 03:00:13,360 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1428764e-b4c4-4827-86f8-73c060fdb640/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2019-11-26 03:00:13,411 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1428764e-b4c4-4827-86f8-73c060fdb640/bin/ukojak/data/6971ef6fe/5709f09ffbd241b584738c307fdb497d/FLAG1e41edeef [2019-11-26 03:00:13,877 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 03:00:13,878 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1428764e-b4c4-4827-86f8-73c060fdb640/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2019-11-26 03:00:13,889 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1428764e-b4c4-4827-86f8-73c060fdb640/bin/ukojak/data/6971ef6fe/5709f09ffbd241b584738c307fdb497d/FLAG1e41edeef [2019-11-26 03:00:13,900 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1428764e-b4c4-4827-86f8-73c060fdb640/bin/ukojak/data/6971ef6fe/5709f09ffbd241b584738c307fdb497d [2019-11-26 03:00:13,902 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 03:00:13,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 03:00:13,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 03:00:13,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 03:00:13,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 03:00:13,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:00:13" (1/1) ... [2019-11-26 03:00:13,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@463e9843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:13, skipping insertion in model container [2019-11-26 03:00:13,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:00:13" (1/1) ... [2019-11-26 03:00:13,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 03:00:13,960 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 03:00:14,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:00:14,280 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 03:00:14,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:00:14,410 INFO L205 MainTranslator]: Completed translation [2019-11-26 03:00:14,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:14 WrapperNode [2019-11-26 03:00:14,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 03:00:14,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 03:00:14,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 03:00:14,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 03:00:14,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:14" (1/1) ... [2019-11-26 03:00:14,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:14" (1/1) ... [2019-11-26 03:00:14,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 03:00:14,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 03:00:14,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 03:00:14,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 03:00:14,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:14" (1/1) ... [2019-11-26 03:00:14,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:14" (1/1) ... [2019-11-26 03:00:14,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:14" (1/1) ... [2019-11-26 03:00:14,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:14" (1/1) ... [2019-11-26 03:00:14,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:14" (1/1) ... [2019-11-26 03:00:14,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:14" (1/1) ... [2019-11-26 03:00:14,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:14" (1/1) ... [2019-11-26 03:00:14,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 03:00:14,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 03:00:14,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 03:00:14,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 03:00:14,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1428764e-b4c4-4827-86f8-73c060fdb640/bin/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 [2019-11-26 03:00:14,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 03:00:14,589 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-26 03:00:14,589 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-26 03:00:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-26 03:00:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-26 03:00:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-26 03:00:14,591 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-26 03:00:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-26 03:00:14,591 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-26 03:00:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-26 03:00:14,592 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-26 03:00:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 03:00:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-26 03:00:14,593 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-26 03:00:14,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 03:00:14,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 03:00:15,505 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 03:00:15,505 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-26 03:00:15,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:00:15 BoogieIcfgContainer [2019-11-26 03:00:15,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 03:00:15,507 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 03:00:15,507 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 03:00:15,517 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 03:00:15,517 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:00:15" (1/1) ... [2019-11-26 03:00:15,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:00:15,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:15,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2019-11-26 03:00:15,563 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2019-11-26 03:00:15,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 03:00:15,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:15,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:15,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:15,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2019-11-26 03:00:15,780 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2019-11-26 03:00:15,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 03:00:15,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:15,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:15,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:15,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2019-11-26 03:00:15,891 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2019-11-26 03:00:15,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 03:00:15,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:15,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:16,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:16,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 62 states and 90 transitions. [2019-11-26 03:00:16,154 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2019-11-26 03:00:16,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 03:00:16,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:16,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:16,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:16,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2019-11-26 03:00:16,210 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2019-11-26 03:00:16,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 03:00:16,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:16,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:16,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:16,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2019-11-26 03:00:16,260 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2019-11-26 03:00:16,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 03:00:16,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:16,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:16,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:16,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2019-11-26 03:00:16,302 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2019-11-26 03:00:16,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-26 03:00:16,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:16,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:16,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:16,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 79 states and 127 transitions. [2019-11-26 03:00:16,992 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 127 transitions. [2019-11-26 03:00:16,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 03:00:16,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:17,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:17,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:17,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 88 states and 151 transitions. [2019-11-26 03:00:17,716 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 151 transitions. [2019-11-26 03:00:17,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-26 03:00:17,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:17,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:18,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:18,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 90 states and 152 transitions. [2019-11-26 03:00:18,009 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 152 transitions. [2019-11-26 03:00:18,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-26 03:00:18,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:18,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:18,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:18,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 91 states and 153 transitions. [2019-11-26 03:00:18,154 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 153 transitions. [2019-11-26 03:00:18,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 03:00:18,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:18,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:18,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:18,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 94 states and 161 transitions. [2019-11-26 03:00:18,452 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 161 transitions. [2019-11-26 03:00:18,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 03:00:18,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:18,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:18,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:18,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 103 states and 178 transitions. [2019-11-26 03:00:18,700 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 178 transitions. [2019-11-26 03:00:18,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 03:00:18,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:18,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:18,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:18,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 104 states and 179 transitions. [2019-11-26 03:00:18,745 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 179 transitions. [2019-11-26 03:00:18,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-26 03:00:18,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:18,837 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:19,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:19,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 111 states and 196 transitions. [2019-11-26 03:00:19,100 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 196 transitions. [2019-11-26 03:00:19,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-26 03:00:19,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:19,129 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:19,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:19,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 112 states and 197 transitions. [2019-11-26 03:00:19,145 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 197 transitions. [2019-11-26 03:00:19,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 03:00:19,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:19,181 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:19,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:19,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 113 states and 200 transitions. [2019-11-26 03:00:19,371 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 200 transitions. [2019-11-26 03:00:19,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 03:00:19,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:19,421 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:19,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:19,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 114 states and 203 transitions. [2019-11-26 03:00:19,474 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 203 transitions. [2019-11-26 03:00:19,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-26 03:00:19,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:19,512 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:19,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:19,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 117 states and 211 transitions. [2019-11-26 03:00:19,815 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 211 transitions. [2019-11-26 03:00:19,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 03:00:19,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:19,861 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:20,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:20,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 122 states and 219 transitions. [2019-11-26 03:00:20,048 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 219 transitions. [2019-11-26 03:00:20,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-26 03:00:20,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:20,084 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:20,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:20,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 123 states and 219 transitions. [2019-11-26 03:00:20,098 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 219 transitions. [2019-11-26 03:00:20,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 03:00:20,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:20,139 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:21,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:21,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 137 states and 250 transitions. [2019-11-26 03:00:21,074 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 250 transitions. [2019-11-26 03:00:21,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-26 03:00:21,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:21,174 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 03:00:22,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:22,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 148 states and 285 transitions. [2019-11-26 03:00:22,547 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 285 transitions. [2019-11-26 03:00:22,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-26 03:00:22,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:22,574 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 03:00:23,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:23,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 152 states and 291 transitions. [2019-11-26 03:00:23,356 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 291 transitions. [2019-11-26 03:00:23,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-26 03:00:23,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:23,381 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:23,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:23,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 153 states and 294 transitions. [2019-11-26 03:00:23,392 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 294 transitions. [2019-11-26 03:00:23,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 03:00:23,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:23,859 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:26,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:26,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 161 states and 320 transitions. [2019-11-26 03:00:26,048 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 320 transitions. [2019-11-26 03:00:26,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 03:00:26,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:26,076 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-26 03:00:26,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:26,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 162 states and 320 transitions. [2019-11-26 03:00:26,098 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 320 transitions. [2019-11-26 03:00:26,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-26 03:00:26,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:26,137 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:26,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:26,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 163 states and 321 transitions. [2019-11-26 03:00:26,170 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 321 transitions. [2019-11-26 03:00:26,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-26 03:00:26,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:26,207 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:26,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:26,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 164 states and 322 transitions. [2019-11-26 03:00:26,226 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 322 transitions. [2019-11-26 03:00:26,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-26 03:00:26,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:26,258 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 03:00:26,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:26,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 165 states and 323 transitions. [2019-11-26 03:00:26,274 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 323 transitions. [2019-11-26 03:00:26,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-26 03:00:26,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:26,307 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 03:00:26,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:26,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 166 states and 324 transitions. [2019-11-26 03:00:26,327 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 324 transitions. [2019-11-26 03:00:26,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-26 03:00:26,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:26,363 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 03:00:26,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:26,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 167 states and 322 transitions. [2019-11-26 03:00:26,833 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 322 transitions. [2019-11-26 03:00:26,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-26 03:00:26,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:26,872 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 03:00:28,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:28,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 176 states and 352 transitions. [2019-11-26 03:00:28,401 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 352 transitions. [2019-11-26 03:00:28,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-26 03:00:28,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:28,427 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 03:00:28,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:28,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 178 states and 354 transitions. [2019-11-26 03:00:28,822 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 354 transitions. [2019-11-26 03:00:28,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-26 03:00:28,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:28,847 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 03:00:29,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:29,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 180 states and 357 transitions. [2019-11-26 03:00:29,165 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 357 transitions. [2019-11-26 03:00:29,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-26 03:00:29,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:29,190 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 03:00:29,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:29,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 185 states and 366 transitions. [2019-11-26 03:00:29,221 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 366 transitions. [2019-11-26 03:00:29,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-26 03:00:29,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:29,254 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 03:00:29,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:29,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 186 states and 366 transitions. [2019-11-26 03:00:29,265 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 366 transitions. [2019-11-26 03:00:29,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-26 03:00:29,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:29,300 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 03:00:29,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:29,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 187 states and 367 transitions. [2019-11-26 03:00:29,318 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 367 transitions. [2019-11-26 03:00:29,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-26 03:00:29,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:29,344 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 03:00:29,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:29,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 188 states and 368 transitions. [2019-11-26 03:00:29,361 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 368 transitions. [2019-11-26 03:00:29,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-26 03:00:29,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:29,387 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 03:00:29,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:29,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 188 states and 363 transitions. [2019-11-26 03:00:29,755 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 363 transitions. [2019-11-26 03:00:29,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-26 03:00:29,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:29,780 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-26 03:00:29,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:29,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 192 states and 370 transitions. [2019-11-26 03:00:29,810 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 370 transitions. [2019-11-26 03:00:29,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-26 03:00:29,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:29,838 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-26 03:00:29,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:29,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 193 states and 370 transitions. [2019-11-26 03:00:29,867 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 370 transitions. [2019-11-26 03:00:29,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 03:00:29,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:29,892 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-26 03:00:29,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:29,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 179 states and 342 transitions. [2019-11-26 03:00:29,918 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 342 transitions. [2019-11-26 03:00:29,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 03:00:29,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:29,953 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-26 03:00:30,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:30,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 184 states and 352 transitions. [2019-11-26 03:00:30,469 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 352 transitions. [2019-11-26 03:00:30,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 03:00:30,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:30,492 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-26 03:00:30,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:30,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 182 states and 348 transitions. [2019-11-26 03:00:30,518 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 348 transitions. [2019-11-26 03:00:30,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 03:00:30,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:30,542 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-26 03:00:30,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:30,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 179 states and 342 transitions. [2019-11-26 03:00:30,568 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 342 transitions. [2019-11-26 03:00:30,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-26 03:00:30,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:30,598 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-26 03:00:30,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:30,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 180 states and 342 transitions. [2019-11-26 03:00:30,619 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 342 transitions. [2019-11-26 03:00:30,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-26 03:00:30,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:30,643 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-26 03:00:30,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:30,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 178 states and 338 transitions. [2019-11-26 03:00:30,667 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 338 transitions. [2019-11-26 03:00:30,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-26 03:00:30,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:30,688 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-26 03:00:30,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:30,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 173 states and 328 transitions. [2019-11-26 03:00:30,723 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 328 transitions. [2019-11-26 03:00:30,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-26 03:00:30,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:30,748 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-26 03:00:31,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:31,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 175 states and 329 transitions. [2019-11-26 03:00:31,055 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 329 transitions. [2019-11-26 03:00:31,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-26 03:00:31,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:31,082 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-26 03:00:31,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:31,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 85 states and 135 transitions. [2019-11-26 03:00:31,404 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2019-11-26 03:00:31,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 03:00:31,404 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 51 iterations. [2019-11-26 03:00:31,416 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 03:00:31,729 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:00:31,732 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:00:31,732 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-26 03:00:31,735 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:00:31,736 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:00:31,736 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-11-26 03:00:31,737 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:00:31,737 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:00:31,738 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:00:31,738 INFO L569 CodeCheckObserver]: Invariant with dag size 16 [2019-11-26 03:00:31,739 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:00:31,739 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:00:31,739 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:00:31,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 03:00:31 ImpRootNode [2019-11-26 03:00:31,740 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 03:00:31,740 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 03:00:31,740 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 03:00:31,741 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 03:00:31,741 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:00:15" (3/4) ... [2019-11-26 03:00:31,744 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 03:00:31,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-26 03:00:31,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-26 03:00:31,750 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-26 03:00:31,750 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-26 03:00:31,750 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-26 03:00:31,750 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-26 03:00:31,758 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2019-11-26 03:00:31,758 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-11-26 03:00:31,759 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 03:00:31,759 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 03:00:31,760 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 03:00:31,760 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 03:00:31,761 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 03:00:31,787 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) [2019-11-26 03:00:31,788 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(1 == waterLevel)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) [2019-11-26 03:00:31,823 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1428764e-b4c4-4827-86f8-73c060fdb640/bin/ukojak/witness.graphml [2019-11-26 03:00:31,823 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 03:00:31,825 INFO L168 Benchmark]: Toolchain (without parser) took 17921.77 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 391.6 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -113.3 MB). Peak memory consumption was 278.3 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:31,825 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:00:31,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 507.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -202.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:31,826 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.10 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: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:31,827 INFO L168 Benchmark]: Boogie Preprocessor took 44.57 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. [2019-11-26 03:00:31,827 INFO L168 Benchmark]: RCFGBuilder took 986.44 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: 70.3 MB). Peak memory consumption was 70.3 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:31,827 INFO L168 Benchmark]: CodeCheck took 16232.83 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 235.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 974.6 kB). Peak memory consumption was 236.4 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:31,828 INFO L168 Benchmark]: Witness Printer took 83.30 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:31,829 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 50 locations, 1 error locations. Result: SAFE, OverallTime: 15.8s, OverallIterations: 51, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1812676176 SDtfs, -1769229652 SDslu, 972934816 SDs, 0 SdLazy, -50375692 SolverSat, 1578551252 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18928 GetRequests, 18481 SyntacticMatches, 219 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23188 ImplicationChecksByTransitivity, 11.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1733 NumberOfCodeBlocks, 1733 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 1683 ConstructedInterpolants, 0 QuantifiedInterpolants, 140383 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 34 PerfectInterpolantSequences, 562/623 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 680]: 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: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(1 == waterLevel)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 507.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -202.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.10 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: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.57 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 986.44 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: 70.3 MB). Peak memory consumption was 70.3 MB. Max. memory is 11.5 GB. * CodeCheck took 16232.83 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 235.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 974.6 kB). Peak memory consumption was 236.4 MB. Max. memory is 11.5 GB. * Witness Printer took 83.30 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...