./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_71c3f297-1eb2-4812-965a-6696f7d94029/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_71c3f297-1eb2-4812-965a-6696f7d94029/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_71c3f297-1eb2-4812-965a-6696f7d94029/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_71c3f297-1eb2-4812-965a-6696f7d94029/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_71c3f297-1eb2-4812-965a-6696f7d94029/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_71c3f297-1eb2-4812-965a-6696f7d94029/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 e10040ad9d006089566ac73bab5ec598c71c2723 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 01:15:55,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:15:55,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:15:56,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:15:56,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:15:56,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:15:56,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:15:56,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:15:56,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:15:56,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:15:56,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:15:56,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:15:56,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:15:56,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:15:56,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:15:56,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:15:56,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:15:56,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:15:56,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:15:56,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:15:56,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:15:56,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:15:56,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:15:56,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:15:56,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:15:56,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:15:56,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:15:56,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:15:56,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:15:56,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:15:56,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:15:56,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:15:56,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:15:56,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:15:56,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:15:56,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:15:56,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:15:56,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:15:56,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:15:56,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:15:56,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:15:56,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_71c3f297-1eb2-4812-965a-6696f7d94029/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 01:15:56,113 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:15:56,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:15:56,114 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 01:15:56,115 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 01:15:56,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:15:56,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:15:56,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:15:56,116 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:15:56,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:15:56,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:15:56,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:15:56,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:15:56,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:15:56,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:15:56,118 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:15:56,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:15:56,118 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:15:56,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:15:56,119 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 01:15:56,119 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 01:15:56,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:15:56,119 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:15:56,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 01:15:56,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:15:56,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:15:56,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:15:56,121 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 01:15:56,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 01:15:56,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:15:56,121 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_71c3f297-1eb2-4812-965a-6696f7d94029/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 -> e10040ad9d006089566ac73bab5ec598c71c2723 [2019-11-20 01:15:56,347 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:15:56,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:15:56,370 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:15:56,371 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:15:56,373 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:15:56,374 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_71c3f297-1eb2-4812-965a-6696f7d94029/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2019-11-20 01:15:56,455 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71c3f297-1eb2-4812-965a-6696f7d94029/bin/ukojak/data/891f5a995/7704702624174cbd93611828de84085b/FLAG9a96b0950 [2019-11-20 01:15:56,994 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:15:56,995 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_71c3f297-1eb2-4812-965a-6696f7d94029/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2019-11-20 01:15:57,012 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71c3f297-1eb2-4812-965a-6696f7d94029/bin/ukojak/data/891f5a995/7704702624174cbd93611828de84085b/FLAG9a96b0950 [2019-11-20 01:15:57,284 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_71c3f297-1eb2-4812-965a-6696f7d94029/bin/ukojak/data/891f5a995/7704702624174cbd93611828de84085b [2019-11-20 01:15:57,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:15:57,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:15:57,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:15:57,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:15:57,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:15:57,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:15:57" (1/1) ... [2019-11-20 01:15:57,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79037fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:15:57, skipping insertion in model container [2019-11-20 01:15:57,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:15:57" (1/1) ... [2019-11-20 01:15:57,312 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:15:57,390 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:15:57,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:15:57,900 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:15:57,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:15:58,047 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:15:58,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:15:58 WrapperNode [2019-11-20 01:15:58,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:15:58,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:15:58,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:15:58,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:15:58,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:15:58" (1/1) ... [2019-11-20 01:15:58,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:15:58" (1/1) ... [2019-11-20 01:15:58,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:15:58,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:15:58,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:15:58,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:15:58,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:15:58" (1/1) ... [2019-11-20 01:15:58,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:15:58" (1/1) ... [2019-11-20 01:15:58,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:15:58" (1/1) ... [2019-11-20 01:15:58,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:15:58" (1/1) ... [2019-11-20 01:15:58,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:15:58" (1/1) ... [2019-11-20 01:15:58,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:15:58" (1/1) ... [2019-11-20 01:15:58,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:15:58" (1/1) ... [2019-11-20 01:15:58,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:15:58,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:15:58,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:15:58,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:15:58,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:15:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71c3f297-1eb2-4812-965a-6696f7d94029/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 [2019-11-20 01:15:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:15:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 01:15:58,256 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 01:15:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 01:15:58,258 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 01:15:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-20 01:15:58,258 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-20 01:15:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 01:15:58,258 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 01:15:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 01:15:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 01:15:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 01:15:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 01:15:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 01:15:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:15:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:15:59,580 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:15:59,581 INFO L285 CfgBuilder]: Removed 38 assume(true) statements. [2019-11-20 01:15:59,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:15:59 BoogieIcfgContainer [2019-11-20 01:15:59,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:15:59,583 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 01:15:59,583 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 01:15:59,596 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 01:15:59,597 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:15:59" (1/1) ... [2019-11-20 01:15:59,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:15:59,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:15:59,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2019-11-20 01:15:59,662 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2019-11-20 01:15:59,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 01:15:59,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:15:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:15:59,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:15:59,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:15:59,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2019-11-20 01:15:59,940 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2019-11-20 01:15:59,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 01:15:59,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:15:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:00,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:16:00,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:00,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2019-11-20 01:16:00,114 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2019-11-20 01:16:00,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 01:16:00,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:00,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:16:00,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:00,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2019-11-20 01:16:00,629 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2019-11-20 01:16:00,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 01:16:00,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:00,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:16:01,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:01,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 72 states and 111 transitions. [2019-11-20 01:16:01,186 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2019-11-20 01:16:01,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 01:16:01,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:01,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:16:01,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:01,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 74 states and 113 transitions. [2019-11-20 01:16:01,377 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2019-11-20 01:16:01,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 01:16:01,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:01,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:16:01,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:01,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 75 states and 114 transitions. [2019-11-20 01:16:01,483 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 114 transitions. [2019-11-20 01:16:01,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 01:16:01,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:01,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:16:01,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:01,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 76 states and 115 transitions. [2019-11-20 01:16:01,573 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 115 transitions. [2019-11-20 01:16:01,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 01:16:01,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:01,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:16:02,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:02,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 92 states and 153 transitions. [2019-11-20 01:16:02,649 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 153 transitions. [2019-11-20 01:16:02,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 01:16:02,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:02,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:16:03,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:03,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 97 states and 165 transitions. [2019-11-20 01:16:03,075 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 165 transitions. [2019-11-20 01:16:03,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 01:16:03,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:03,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:16:03,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:03,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 98 states and 166 transitions. [2019-11-20 01:16:03,157 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 166 transitions. [2019-11-20 01:16:03,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 01:16:03,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:03,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:16:03,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:03,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 100 states and 168 transitions. [2019-11-20 01:16:03,322 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 168 transitions. [2019-11-20 01:16:03,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 01:16:03,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:03,419 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:16:03,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:03,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 106 states and 183 transitions. [2019-11-20 01:16:03,986 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 183 transitions. [2019-11-20 01:16:03,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 01:16:03,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:04,020 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:16:04,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:04,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 104 states and 179 transitions. [2019-11-20 01:16:04,049 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 179 transitions. [2019-11-20 01:16:04,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 01:16:04,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:04,317 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 01:16:05,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:05,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 107 states and 187 transitions. [2019-11-20 01:16:05,163 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 187 transitions. [2019-11-20 01:16:05,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 01:16:05,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:05,783 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 01:16:09,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:09,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 122 states and 231 transitions. [2019-11-20 01:16:09,330 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 231 transitions. [2019-11-20 01:16:09,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 01:16:09,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:09,384 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:16:10,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:10,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 124 states and 236 transitions. [2019-11-20 01:16:10,403 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 236 transitions. [2019-11-20 01:16:10,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 01:16:10,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:10,469 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 01:16:10,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:10,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 125 states and 237 transitions. [2019-11-20 01:16:10,518 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 237 transitions. [2019-11-20 01:16:10,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 01:16:10,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:10,661 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:16:12,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:12,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 133 states and 268 transitions. [2019-11-20 01:16:12,080 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 268 transitions. [2019-11-20 01:16:12,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 01:16:12,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:12,121 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 01:16:12,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:12,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 135 states and 269 transitions. [2019-11-20 01:16:12,528 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 269 transitions. [2019-11-20 01:16:12,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 01:16:12,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:12,575 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:16:13,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:13,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 137 states and 273 transitions. [2019-11-20 01:16:13,436 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 273 transitions. [2019-11-20 01:16:13,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 01:16:13,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:13,472 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:16:13,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:13,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 139 states and 278 transitions. [2019-11-20 01:16:13,870 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 278 transitions. [2019-11-20 01:16:13,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 01:16:13,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:13,931 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:16:14,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:14,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 141 states and 280 transitions. [2019-11-20 01:16:14,339 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 280 transitions. [2019-11-20 01:16:14,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 01:16:14,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:14,377 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:16:17,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:17,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 153 states and 320 transitions. [2019-11-20 01:16:17,017 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 320 transitions. [2019-11-20 01:16:17,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 01:16:17,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:17,085 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:16:17,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:17,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 160 states and 346 transitions. [2019-11-20 01:16:17,822 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 346 transitions. [2019-11-20 01:16:17,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 01:16:17,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:17,892 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:16:18,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:18,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 162 states and 352 transitions. [2019-11-20 01:16:18,240 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 352 transitions. [2019-11-20 01:16:18,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 01:16:18,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:18,274 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 01:16:18,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:18,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 164 states and 353 transitions. [2019-11-20 01:16:18,665 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 353 transitions. [2019-11-20 01:16:18,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 01:16:18,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:18,700 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:16:18,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:18,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 164 states and 349 transitions. [2019-11-20 01:16:18,733 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 349 transitions. [2019-11-20 01:16:18,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 01:16:18,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:18,773 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:16:18,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:18,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 165 states and 349 transitions. [2019-11-20 01:16:18,802 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 349 transitions. [2019-11-20 01:16:18,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 01:16:18,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:18,839 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 01:16:18,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:18,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 166 states and 350 transitions. [2019-11-20 01:16:18,870 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 350 transitions. [2019-11-20 01:16:18,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 01:16:18,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:18,904 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:16:20,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:20,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 173 states and 372 transitions. [2019-11-20 01:16:20,048 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 372 transitions. [2019-11-20 01:16:20,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 01:16:20,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:20,083 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:16:22,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:22,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 180 states and 386 transitions. [2019-11-20 01:16:22,492 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 386 transitions. [2019-11-20 01:16:22,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 01:16:22,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:22,971 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 01:16:26,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:26,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 191 states and 425 transitions. [2019-11-20 01:16:26,803 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 425 transitions. [2019-11-20 01:16:26,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 01:16:26,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:26,839 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:16:27,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:27,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 198 states and 445 transitions. [2019-11-20 01:16:27,581 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 445 transitions. [2019-11-20 01:16:27,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 01:16:27,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:27,619 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 01:16:28,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:28,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 200 states and 448 transitions. [2019-11-20 01:16:28,216 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 448 transitions. [2019-11-20 01:16:28,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 01:16:28,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:28,257 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:16:28,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:28,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 201 states and 449 transitions. [2019-11-20 01:16:28,292 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 449 transitions. [2019-11-20 01:16:28,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 01:16:28,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:28,332 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:16:28,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:28,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 202 states and 450 transitions. [2019-11-20 01:16:28,360 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 450 transitions. [2019-11-20 01:16:28,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 01:16:28,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:28,406 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 01:16:28,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:28,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 203 states and 451 transitions. [2019-11-20 01:16:28,436 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 451 transitions. [2019-11-20 01:16:28,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 01:16:28,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:29,002 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 01:16:30,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:30,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 203 states and 446 transitions. [2019-11-20 01:16:30,639 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 446 transitions. [2019-11-20 01:16:30,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 01:16:30,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:30,679 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 01:16:32,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:32,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 211 states and 469 transitions. [2019-11-20 01:16:32,970 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 469 transitions. [2019-11-20 01:16:32,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 01:16:32,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:33,005 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 01:16:33,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:33,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 213 states and 472 transitions. [2019-11-20 01:16:33,657 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 472 transitions. [2019-11-20 01:16:33,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 01:16:33,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:33,706 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 01:16:35,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:35,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 221 states and 494 transitions. [2019-11-20 01:16:35,425 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 494 transitions. [2019-11-20 01:16:35,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 01:16:35,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:35,465 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 01:16:35,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:35,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 223 states and 497 transitions. [2019-11-20 01:16:35,990 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 497 transitions. [2019-11-20 01:16:35,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 01:16:35,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:36,647 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 01:16:40,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:40,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 235 states and 524 transitions. [2019-11-20 01:16:40,777 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 524 transitions. [2019-11-20 01:16:40,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 01:16:40,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:40,815 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 01:16:42,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:42,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 242 states and 540 transitions. [2019-11-20 01:16:42,093 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 540 transitions. [2019-11-20 01:16:42,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 01:16:42,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:42,136 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 01:16:42,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:42,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 243 states and 541 transitions. [2019-11-20 01:16:42,207 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 541 transitions. [2019-11-20 01:16:42,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 01:16:42,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:42,247 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 29 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 01:16:42,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:42,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 244 states and 542 transitions. [2019-11-20 01:16:42,651 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 542 transitions. [2019-11-20 01:16:42,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 01:16:42,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:42,708 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 01:16:43,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:43,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 245 states and 543 transitions. [2019-11-20 01:16:43,585 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 543 transitions. [2019-11-20 01:16:43,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 01:16:43,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:43,622 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 01:16:43,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:43,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 240 states and 531 transitions. [2019-11-20 01:16:43,682 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 531 transitions. [2019-11-20 01:16:43,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 01:16:43,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:44,012 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 01:16:44,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:44,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 241 states and 535 transitions. [2019-11-20 01:16:44,883 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 535 transitions. [2019-11-20 01:16:44,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 01:16:44,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:44,928 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-20 01:16:44,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:44,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 242 states and 537 transitions. [2019-11-20 01:16:44,986 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 537 transitions. [2019-11-20 01:16:44,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 01:16:44,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:45,066 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-20 01:16:46,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:46,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 242 states and 534 transitions. [2019-11-20 01:16:46,785 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 534 transitions. [2019-11-20 01:16:46,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 01:16:46,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:46,934 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 56 proven. 18 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 01:16:47,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:47,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 244 states and 539 transitions. [2019-11-20 01:16:47,458 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 539 transitions. [2019-11-20 01:16:47,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 01:16:47,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:16:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:16:47,851 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-20 01:16:49,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:16:49,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 93 states and 125 transitions. [2019-11-20 01:16:49,035 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 125 transitions. [2019-11-20 01:16:49,035 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 01:16:49,035 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 54 iterations. [2019-11-20 01:16:49,045 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 01:16:49,825 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 16 [2019-11-20 01:16:49,841 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:16:49,845 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:16:49,846 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2019-11-20 01:16:49,850 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:16:49,850 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:16:49,850 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:16:49,851 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:16:49,851 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2019-11-20 01:16:49,860 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2019-11-20 01:16:49,862 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-20 01:16:49,863 INFO L569 CodeCheckObserver]: Invariant with dag size 16 [2019-11-20 01:16:49,864 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:16:49,864 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:16:49,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 01:16:49 ImpRootNode [2019-11-20 01:16:49,865 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 01:16:49,866 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:16:49,866 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:16:49,866 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:16:49,867 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:15:59" (3/4) ... [2019-11-20 01:16:49,871 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 01:16:49,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-20 01:16:49,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-20 01:16:49,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-20 01:16:49,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-11-20 01:16:49,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-20 01:16:49,880 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-20 01:16:49,890 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2019-11-20 01:16:49,890 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-11-20 01:16:49,891 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 01:16:49,892 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 01:16:49,892 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 01:16:49,893 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 01:16:49,922 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || pumpRunning == \old(pumpRunning) [2019-11-20 01:16:49,922 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || !(pumpRunning == 0) [2019-11-20 01:16:49,923 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (methaneLevelCritical == tmp || (!(pumpRunning == \old(pumpRunning)) && !(0 == tmp))) || (!(0 == methAndRunningLastTime) && !(0 == tmp)) [2019-11-20 01:16:49,923 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methAndRunningLastTime || (!(0 == \old(pumpRunning)) && !(0 == systemActive))) || (1 == methAndRunningLastTime && 0 == systemActive)) || !(pumpRunning == \old(pumpRunning))) || 0 == methaneLevelCritical [2019-11-20 01:16:49,980 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_71c3f297-1eb2-4812-965a-6696f7d94029/bin/ukojak/witness.graphml [2019-11-20 01:16:49,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:16:49,982 INFO L168 Benchmark]: Toolchain (without parser) took 52693.23 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 848.8 MB). Free memory was 948.7 MB in the beginning and 1.8 GB in the end (delta: -850.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:16:49,983 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:16:49,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:16:49,984 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.63 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:16:49,984 INFO L168 Benchmark]: Boogie Preprocessor took 53.44 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. [2019-11-20 01:16:49,984 INFO L168 Benchmark]: RCFGBuilder took 1411.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:16:49,985 INFO L168 Benchmark]: CodeCheck took 50282.28 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 709.4 MB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -773.1 MB). Peak memory consumption was 806.4 MB. Max. memory is 11.5 GB. [2019-11-20 01:16:49,985 INFO L168 Benchmark]: Witness Printer took 115.32 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:16:49,988 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, 47 locations, 1 error locations. Result: SAFE, OverallTime: 49.4s, OverallIterations: 54, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 488851880 SDtfs, 1183183996 SDslu, -2045903724 SDs, 0 SdLazy, 791912754 SolverSat, 1516902734 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 73.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29322 GetRequests, 28711 SyntacticMatches, 158 SemanticMatches, 453 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103451 ImplicationChecksByTransitivity, 42.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 2437 NumberOfCodeBlocks, 2437 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 2384 ConstructedInterpolants, 0 QuantifiedInterpolants, 282378 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 53 InterpolantComputations, 27 PerfectInterpolantSequences, 1037/1229 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: 917]: 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: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || !(pumpRunning == 0) - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (((0 == methAndRunningLastTime || (!(0 == \old(pumpRunning)) && !(0 == systemActive))) || (1 == methAndRunningLastTime && 0 == systemActive)) || !(pumpRunning == \old(pumpRunning))) || 0 == methaneLevelCritical - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (methaneLevelCritical == tmp || (!(pumpRunning == \old(pumpRunning)) && !(0 == tmp))) || (!(0 == methAndRunningLastTime) && !(0 == tmp)) - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 757.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.63 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.44 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 1411.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. * CodeCheck took 50282.28 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 709.4 MB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -773.1 MB). Peak memory consumption was 806.4 MB. Max. memory is 11.5 GB. * Witness Printer took 115.32 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...