./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0e763f0c-0a8e-4c09-8518-e153563ae2dc/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0e763f0c-0a8e-4c09-8518-e153563ae2dc/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0e763f0c-0a8e-4c09-8518-e153563ae2dc/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0e763f0c-0a8e-4c09-8518-e153563ae2dc/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0e763f0c-0a8e-4c09-8518-e153563ae2dc/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0e763f0c-0a8e-4c09-8518-e153563ae2dc/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 0.1.24-678e011 [2019-11-20 05:22:03,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:22:03,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:22:03,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:22:03,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:22:03,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:22:03,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:22:03,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:22:03,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:22:03,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:22:03,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:22:03,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:22:03,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:22:03,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:22:03,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:22:03,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:22:03,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:22:03,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:22:03,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:22:03,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:22:03,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:22:03,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:22:03,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:22:03,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:22:03,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:22:03,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:22:03,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:22:03,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:22:03,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:22:03,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:22:03,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:22:03,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:22:03,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:22:03,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:22:03,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:22:03,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:22:03,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:22:03,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:22:03,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:22:03,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:22:03,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:22:03,230 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0e763f0c-0a8e-4c09-8518-e153563ae2dc/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 05:22:03,248 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:22:03,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:22:03,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 05:22:03,249 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 05:22:03,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:22:03,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:22:03,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:22:03,250 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:22:03,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:22:03,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:22:03,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:22:03,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:22:03,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:22:03,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:22:03,252 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:22:03,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:22:03,252 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:22:03,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:22:03,252 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 05:22:03,253 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 05:22:03,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:22:03,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:22:03,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 05:22:03,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:22:03,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:22:03,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:22:03,254 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 05:22:03,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:22:03,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:22:03,255 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_0e763f0c-0a8e-4c09-8518-e153563ae2dc/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 [2019-11-20 05:22:03,424 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:22:03,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:22:03,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:22:03,450 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:22:03,452 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:22:03,453 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0e763f0c-0a8e-4c09-8518-e153563ae2dc/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2019-11-20 05:22:03,516 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e763f0c-0a8e-4c09-8518-e153563ae2dc/bin/ukojak/data/c18e8a2d1/5925380df6bc4c778568fa35d96cc5a3/FLAG311c796f3 [2019-11-20 05:22:03,948 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:22:03,949 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0e763f0c-0a8e-4c09-8518-e153563ae2dc/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2019-11-20 05:22:03,962 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e763f0c-0a8e-4c09-8518-e153563ae2dc/bin/ukojak/data/c18e8a2d1/5925380df6bc4c778568fa35d96cc5a3/FLAG311c796f3 [2019-11-20 05:22:04,339 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0e763f0c-0a8e-4c09-8518-e153563ae2dc/bin/ukojak/data/c18e8a2d1/5925380df6bc4c778568fa35d96cc5a3 [2019-11-20 05:22:04,341 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:22:04,342 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:22:04,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:22:04,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:22:04,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:22:04,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:22:04" (1/1) ... [2019-11-20 05:22:04,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325112e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:04, skipping insertion in model container [2019-11-20 05:22:04,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:22:04" (1/1) ... [2019-11-20 05:22:04,365 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:22:04,412 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:22:04,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:22:04,874 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:22:04,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:22:04,984 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:22:04,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:04 WrapperNode [2019-11-20 05:22:04,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:22:04,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:22:04,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:22:04,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:22:04,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:04" (1/1) ... [2019-11-20 05:22:05,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:04" (1/1) ... [2019-11-20 05:22:05,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:22:05,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:22:05,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:22:05,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:22:05,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:04" (1/1) ... [2019-11-20 05:22:05,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:04" (1/1) ... [2019-11-20 05:22:05,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:04" (1/1) ... [2019-11-20 05:22:05,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:04" (1/1) ... [2019-11-20 05:22:05,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:04" (1/1) ... [2019-11-20 05:22:05,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:04" (1/1) ... [2019-11-20 05:22:05,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:04" (1/1) ... [2019-11-20 05:22:05,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:22:05,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:22:05,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:22:05,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:22:05,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e763f0c-0a8e-4c09-8518-e153563ae2dc/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 05:22:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:22:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 05:22:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 05:22:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 05:22:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 05:22:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 05:22:05,185 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 05:22:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 05:22:05,185 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 05:22:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-20 05:22:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-20 05:22:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 05:22:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 05:22:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 05:22:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:22:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:22:06,176 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:22:06,177 INFO L285 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-20 05:22:06,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:22:06 BoogieIcfgContainer [2019-11-20 05:22:06,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:22:06,178 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 05:22:06,179 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 05:22:06,189 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 05:22:06,190 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:22:06" (1/1) ... [2019-11-20 05:22:06,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:22:06,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:06,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2019-11-20 05:22:06,252 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2019-11-20 05:22:06,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 05:22:06,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:06,544 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 05:22:06,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:06,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2019-11-20 05:22:06,557 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2019-11-20 05:22:06,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 05:22:06,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:06,640 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 05:22:06,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:06,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2019-11-20 05:22:06,660 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2019-11-20 05:22:06,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 05:22:06,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:06,747 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 05:22:06,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:06,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 62 states and 90 transitions. [2019-11-20 05:22:06,902 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2019-11-20 05:22:06,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 05:22:06,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:06,951 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 05:22:06,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:06,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2019-11-20 05:22:06,958 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2019-11-20 05:22:06,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 05:22:06,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:07,002 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 05:22:07,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:07,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2019-11-20 05:22:07,012 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2019-11-20 05:22:07,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 05:22:07,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:07,049 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 05:22:07,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:07,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2019-11-20 05:22:07,059 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2019-11-20 05:22:07,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 05:22:07,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:07,158 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 05:22:07,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:07,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 79 states and 127 transitions. [2019-11-20 05:22:07,718 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 127 transitions. [2019-11-20 05:22:07,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 05:22:07,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:07,859 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 05:22:08,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:08,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 88 states and 151 transitions. [2019-11-20 05:22:08,536 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 151 transitions. [2019-11-20 05:22:08,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 05:22:08,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:08,589 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 05:22:08,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:08,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 90 states and 152 transitions. [2019-11-20 05:22:08,761 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 152 transitions. [2019-11-20 05:22:08,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 05:22:08,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:08,797 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 05:22:08,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:08,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 91 states and 153 transitions. [2019-11-20 05:22:08,903 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 153 transitions. [2019-11-20 05:22:08,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 05:22:08,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:08,969 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 05:22:09,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:09,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 94 states and 161 transitions. [2019-11-20 05:22:09,168 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 161 transitions. [2019-11-20 05:22:09,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 05:22:09,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:09,200 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 05:22:09,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:09,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 103 states and 178 transitions. [2019-11-20 05:22:09,444 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 178 transitions. [2019-11-20 05:22:09,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 05:22:09,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:09,475 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 05:22:09,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:09,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 104 states and 179 transitions. [2019-11-20 05:22:09,491 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 179 transitions. [2019-11-20 05:22:09,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 05:22:09,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:09,577 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:22:09,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:09,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 111 states and 196 transitions. [2019-11-20 05:22:09,883 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 196 transitions. [2019-11-20 05:22:09,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 05:22:09,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:09,910 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:22:09,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:09,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 112 states and 197 transitions. [2019-11-20 05:22:09,928 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 197 transitions. [2019-11-20 05:22:09,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 05:22:09,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:09,956 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:22:10,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:10,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 113 states and 200 transitions. [2019-11-20 05:22:10,152 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 200 transitions. [2019-11-20 05:22:10,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 05:22:10,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:10,183 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:22:10,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:10,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 114 states and 203 transitions. [2019-11-20 05:22:10,219 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 203 transitions. [2019-11-20 05:22:10,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 05:22:10,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:10,251 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:22:10,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:10,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 117 states and 211 transitions. [2019-11-20 05:22:10,645 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 211 transitions. [2019-11-20 05:22:10,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 05:22:10,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:10,691 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:22:10,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:10,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 122 states and 219 transitions. [2019-11-20 05:22:10,896 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 219 transitions. [2019-11-20 05:22:10,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 05:22:10,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:10,930 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:22:10,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:10,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 123 states and 219 transitions. [2019-11-20 05:22:10,952 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 219 transitions. [2019-11-20 05:22:10,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 05:22:10,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:11,002 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:22:11,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:11,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 137 states and 250 transitions. [2019-11-20 05:22:11,931 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 250 transitions. [2019-11-20 05:22:11,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 05:22:11,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:12,052 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:22:13,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:13,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 148 states and 285 transitions. [2019-11-20 05:22:13,187 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 285 transitions. [2019-11-20 05:22:13,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 05:22:13,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:13,219 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:22:13,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:13,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 152 states and 291 transitions. [2019-11-20 05:22:13,965 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 291 transitions. [2019-11-20 05:22:13,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 05:22:13,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:13,996 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:22:14,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:14,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 153 states and 294 transitions. [2019-11-20 05:22:14,007 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 294 transitions. [2019-11-20 05:22:14,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 05:22:14,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:14,465 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:22:16,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:16,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 161 states and 320 transitions. [2019-11-20 05:22:16,895 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 320 transitions. [2019-11-20 05:22:16,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 05:22:16,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:16,928 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 05:22:16,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:16,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 162 states and 320 transitions. [2019-11-20 05:22:16,940 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 320 transitions. [2019-11-20 05:22:16,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 05:22:16,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:16,969 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:22:16,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:16,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 163 states and 321 transitions. [2019-11-20 05:22:16,989 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 321 transitions. [2019-11-20 05:22:16,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 05:22:16,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:17,016 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:22:17,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:17,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 164 states and 322 transitions. [2019-11-20 05:22:17,039 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 322 transitions. [2019-11-20 05:22:17,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 05:22:17,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:17,071 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:22:17,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:17,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 165 states and 323 transitions. [2019-11-20 05:22:17,090 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 323 transitions. [2019-11-20 05:22:17,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 05:22:17,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:17,119 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:22:17,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:17,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 166 states and 324 transitions. [2019-11-20 05:22:17,139 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 324 transitions. [2019-11-20 05:22:17,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 05:22:17,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:17,170 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:22:17,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:17,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 167 states and 322 transitions. [2019-11-20 05:22:17,583 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 322 transitions. [2019-11-20 05:22:17,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 05:22:17,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:17,616 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:22:19,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:19,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 176 states and 350 transitions. [2019-11-20 05:22:19,419 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 350 transitions. [2019-11-20 05:22:19,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 05:22:19,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:19,448 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:22:19,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:19,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 183 states and 363 transitions. [2019-11-20 05:22:19,790 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 363 transitions. [2019-11-20 05:22:19,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 05:22:19,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:19,815 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:22:19,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:19,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 184 states and 363 transitions. [2019-11-20 05:22:19,827 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 363 transitions. [2019-11-20 05:22:19,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 05:22:19,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:19,854 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:22:20,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:20,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 186 states and 366 transitions. [2019-11-20 05:22:20,302 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 366 transitions. [2019-11-20 05:22:20,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 05:22:20,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:20,336 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:22:20,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:20,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 187 states and 367 transitions. [2019-11-20 05:22:20,357 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 367 transitions. [2019-11-20 05:22:20,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 05:22:20,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:20,394 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:22:20,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:20,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 188 states and 368 transitions. [2019-11-20 05:22:20,412 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 368 transitions. [2019-11-20 05:22:20,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 05:22:20,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:20,441 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:22:20,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:20,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 188 states and 363 transitions. [2019-11-20 05:22:20,886 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 363 transitions. [2019-11-20 05:22:20,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 05:22:20,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:20,910 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 05:22:20,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:20,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 192 states and 370 transitions. [2019-11-20 05:22:20,944 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 370 transitions. [2019-11-20 05:22:20,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 05:22:20,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:20,984 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 05:22:21,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:21,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 193 states and 370 transitions. [2019-11-20 05:22:21,009 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 370 transitions. [2019-11-20 05:22:21,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 05:22:21,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:21,039 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:22:21,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:21,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 179 states and 342 transitions. [2019-11-20 05:22:21,061 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 342 transitions. [2019-11-20 05:22:21,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 05:22:21,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:21,089 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:22:21,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:21,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 184 states and 352 transitions. [2019-11-20 05:22:21,428 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 352 transitions. [2019-11-20 05:22:21,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 05:22:21,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:21,457 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 05:22:21,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:21,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 182 states and 348 transitions. [2019-11-20 05:22:21,496 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 348 transitions. [2019-11-20 05:22:21,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 05:22:21,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:21,524 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 05:22:21,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:21,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 179 states and 342 transitions. [2019-11-20 05:22:21,561 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 342 transitions. [2019-11-20 05:22:21,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 05:22:21,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:21,615 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:22:21,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:21,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 180 states and 342 transitions. [2019-11-20 05:22:21,635 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 342 transitions. [2019-11-20 05:22:21,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 05:22:21,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:21,663 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:22:21,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:21,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 178 states and 338 transitions. [2019-11-20 05:22:21,694 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 338 transitions. [2019-11-20 05:22:21,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 05:22:21,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:21,720 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:22:21,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:21,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 173 states and 328 transitions. [2019-11-20 05:22:21,763 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 328 transitions. [2019-11-20 05:22:21,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 05:22:21,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:21,790 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 05:22:22,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:22,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 175 states and 329 transitions. [2019-11-20 05:22:22,131 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 329 transitions. [2019-11-20 05:22:22,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 05:22:22,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:22:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:22:22,174 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-20 05:22:22,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:22:22,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 85 states and 135 transitions. [2019-11-20 05:22:22,527 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2019-11-20 05:22:22,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 05:22:22,528 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 50 iterations. [2019-11-20 05:22:22,537 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 05:22:22,988 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 05:22:22,993 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 05:22:22,993 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-20 05:22:22,998 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 05:22:22,999 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 05:22:22,999 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-11-20 05:22:23,003 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 05:22:23,005 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 05:22:23,005 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 05:22:23,006 INFO L569 CodeCheckObserver]: Invariant with dag size 16 [2019-11-20 05:22:23,008 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 05:22:23,009 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 05:22:23,009 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 05:22:23,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:22:23 ImpRootNode [2019-11-20 05:22:23,009 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 05:22:23,010 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:22:23,010 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:22:23,010 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:22:23,011 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:22:06" (3/4) ... [2019-11-20 05:22:23,017 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 05:22:23,022 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-20 05:22:23,022 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-20 05:22:23,022 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-20 05:22:23,023 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-20 05:22:23,023 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-20 05:22:23,023 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-20 05:22:23,034 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2019-11-20 05:22:23,035 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2019-11-20 05:22:23,035 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 05:22:23,036 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 05:22:23,036 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 05:22:23,037 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 05:22:23,069 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) [2019-11-20 05:22:23,070 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || (pumpRunning == \old(pumpRunning) && !(1 == waterLevel))) || !(pumpRunning == 0) [2019-11-20 05:22:23,137 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0e763f0c-0a8e-4c09-8518-e153563ae2dc/bin/ukojak/witness.graphml [2019-11-20 05:22:23,137 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:22:23,140 INFO L168 Benchmark]: Toolchain (without parser) took 18796.61 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 308.8 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -107.9 MB). Peak memory consumption was 200.9 MB. Max. memory is 11.5 GB. [2019-11-20 05:22:23,140 INFO L168 Benchmark]: CDTParser took 0.33 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 05:22:23,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -186.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-20 05:22:23,141 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.15 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 05:22:23,141 INFO L168 Benchmark]: Boogie Preprocessor took 56.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:22:23,143 INFO L168 Benchmark]: RCFGBuilder took 1072.18 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. [2019-11-20 05:22:23,144 INFO L168 Benchmark]: CodeCheck took 16831.07 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 160.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -15.0 MB). Peak memory consumption was 145.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:22:23,144 INFO L168 Benchmark]: Witness Printer took 127.73 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2019-11-20 05:22:23,148 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: 16.3s, OverallIterations: 50, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1241104816 SDtfs, -883051860 SDslu, 489279136 SDs, 0 SdLazy, 2121651188 SolverSat, -1358870572 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18481 GetRequests, 18035 SyntacticMatches, 218 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23189 ImplicationChecksByTransitivity, 12.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1694 NumberOfCodeBlocks, 1694 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 1645 ConstructedInterpolants, 0 QuantifiedInterpolants, 136811 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 34 PerfectInterpolantSequences, 552/610 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 == 0) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) - 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) && !(0 == systemActive)) || (pumpRunning == \old(pumpRunning) && !(1 == waterLevel))) || !(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 0.33 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 636.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -186.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.15 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. * Boogie Preprocessor took 56.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1072.18 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. * CodeCheck took 16831.07 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 160.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -15.0 MB). Peak memory consumption was 145.4 MB. Max. memory is 11.5 GB. * Witness Printer took 127.73 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...