./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6365f06b-124f-4d69-8222-dea08e34b759/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6365f06b-124f-4d69-8222-dea08e34b759/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6365f06b-124f-4d69-8222-dea08e34b759/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6365f06b-124f-4d69-8222-dea08e34b759/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6365f06b-124f-4d69-8222-dea08e34b759/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6365f06b-124f-4d69-8222-dea08e34b759/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 e966d9b3bce12fee8fc2d0d68326680d997e6955 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:46:18,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:46:18,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:46:18,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:46:18,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:46:18,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:46:18,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:46:18,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:46:18,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:46:18,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:46:18,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:46:18,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:46:18,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:46:18,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:46:18,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:46:18,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:46:18,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:46:18,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:46:18,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:46:18,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:46:18,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:46:18,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:46:18,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:46:18,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:46:18,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:46:18,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:46:18,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:46:18,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:46:18,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:46:18,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:46:18,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:46:18,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:46:18,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:46:18,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:46:18,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:46:18,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:46:18,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:46:18,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:46:18,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:46:18,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:46:18,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:46:18,990 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6365f06b-124f-4d69-8222-dea08e34b759/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:46:19,003 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:46:19,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:46:19,003 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:46:19,004 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:46:19,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:46:19,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:46:19,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:46:19,005 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:46:19,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:46:19,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:46:19,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:46:19,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:46:19,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:46:19,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:46:19,006 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:46:19,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:46:19,007 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:46:19,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:46:19,007 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:46:19,007 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:46:19,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:46:19,008 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:46:19,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:46:19,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:46:19,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:46:19,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:46:19,009 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:46:19,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:46:19,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:46:19,009 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_6365f06b-124f-4d69-8222-dea08e34b759/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 -> e966d9b3bce12fee8fc2d0d68326680d997e6955 [2019-11-26 02:46:19,140 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:46:19,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:46:19,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:46:19,155 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:46:19,156 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:46:19,157 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6365f06b-124f-4d69-8222-dea08e34b759/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2019-11-26 02:46:19,205 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6365f06b-124f-4d69-8222-dea08e34b759/bin/ukojak/data/aa1cc2521/9f08175c84a94e6a9d9eb90d096ea8a0/FLAG1434bc454 [2019-11-26 02:46:19,672 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:46:19,672 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6365f06b-124f-4d69-8222-dea08e34b759/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2019-11-26 02:46:19,684 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6365f06b-124f-4d69-8222-dea08e34b759/bin/ukojak/data/aa1cc2521/9f08175c84a94e6a9d9eb90d096ea8a0/FLAG1434bc454 [2019-11-26 02:46:19,701 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6365f06b-124f-4d69-8222-dea08e34b759/bin/ukojak/data/aa1cc2521/9f08175c84a94e6a9d9eb90d096ea8a0 [2019-11-26 02:46:19,704 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:46:19,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:46:19,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:46:19,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:46:19,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:46:19,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:46:19" (1/1) ... [2019-11-26 02:46:19,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5df0d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:19, skipping insertion in model container [2019-11-26 02:46:19,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:46:19" (1/1) ... [2019-11-26 02:46:19,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:46:19,770 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:46:20,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:46:20,118 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:46:20,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:46:20,226 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:46:20,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:20 WrapperNode [2019-11-26 02:46:20,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:46:20,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:46:20,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:46:20,227 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:46:20,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:20" (1/1) ... [2019-11-26 02:46:20,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:20" (1/1) ... [2019-11-26 02:46:20,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:46:20,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:46:20,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:46:20,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:46:20,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:20" (1/1) ... [2019-11-26 02:46:20,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:20" (1/1) ... [2019-11-26 02:46:20,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:20" (1/1) ... [2019-11-26 02:46:20,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:20" (1/1) ... [2019-11-26 02:46:20,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:20" (1/1) ... [2019-11-26 02:46:20,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:20" (1/1) ... [2019-11-26 02:46:20,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:20" (1/1) ... [2019-11-26 02:46:20,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:46:20,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:46:20,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:46:20,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:46:20,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6365f06b-124f-4d69-8222-dea08e34b759/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:46:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:46:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-26 02:46:20,397 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-26 02:46:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-26 02:46:20,398 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-26 02:46:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-26 02:46:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-26 02:46:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-26 02:46:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-26 02:46:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-26 02:46:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-26 02:46:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-26 02:46:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-26 02:46:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-26 02:46:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-26 02:46:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:46:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-26 02:46:20,402 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-26 02:46:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:46:20,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:46:21,322 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:46:21,322 INFO L284 CfgBuilder]: Removed 38 assume(true) statements. [2019-11-26 02:46:21,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:46:21 BoogieIcfgContainer [2019-11-26 02:46:21,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:46:21,324 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:46:21,324 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:46:21,334 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:46:21,334 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:46:21" (1/1) ... [2019-11-26 02:46:21,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:46:21,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:21,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 62 states and 84 transitions. [2019-11-26 02:46:21,389 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2019-11-26 02:46:21,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:46:21,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:21,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:21,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:21,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2019-11-26 02:46:21,649 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2019-11-26 02:46:21,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:46:21,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:21,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:21,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:21,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2019-11-26 02:46:21,750 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2019-11-26 02:46:21,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 02:46:21,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:21,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:21,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:21,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 74 states and 106 transitions. [2019-11-26 02:46:21,969 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 106 transitions. [2019-11-26 02:46:21,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:46:21,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:22,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:22,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:22,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2019-11-26 02:46:22,062 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2019-11-26 02:46:22,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 02:46:22,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:22,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:22,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:22,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 76 states and 108 transitions. [2019-11-26 02:46:22,128 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2019-11-26 02:46:22,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 02:46:22,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:22,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:22,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:22,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2019-11-26 02:46:22,200 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2019-11-26 02:46:22,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 02:46:22,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:22,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:22,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:22,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 93 states and 144 transitions. [2019-11-26 02:46:22,800 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 144 transitions. [2019-11-26 02:46:22,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 02:46:22,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:22,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:22,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:22,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 94 states and 145 transitions. [2019-11-26 02:46:22,907 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 145 transitions. [2019-11-26 02:46:22,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 02:46:22,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:22,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:22,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:22,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 95 states and 146 transitions. [2019-11-26 02:46:22,985 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 146 transitions. [2019-11-26 02:46:22,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 02:46:22,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:23,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:24,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:24,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 109 states and 184 transitions. [2019-11-26 02:46:24,058 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 184 transitions. [2019-11-26 02:46:24,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-26 02:46:24,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:24,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:24,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:24,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 110 states and 185 transitions. [2019-11-26 02:46:24,104 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 185 transitions. [2019-11-26 02:46:24,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 02:46:24,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:24,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:24,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:24,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 116 states and 202 transitions. [2019-11-26 02:46:24,471 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 202 transitions. [2019-11-26 02:46:24,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 02:46:24,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:24,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:24,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:24,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 118 states and 203 transitions. [2019-11-26 02:46:24,596 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 203 transitions. [2019-11-26 02:46:24,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-26 02:46:24,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:24,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:24,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:24,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 121 states and 211 transitions. [2019-11-26 02:46:24,820 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 211 transitions. [2019-11-26 02:46:24,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-26 02:46:24,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:24,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:25,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:25,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 123 states and 216 transitions. [2019-11-26 02:46:25,143 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 216 transitions. [2019-11-26 02:46:25,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-26 02:46:25,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:25,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:25,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:25,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 121 states and 210 transitions. [2019-11-26 02:46:25,189 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 210 transitions. [2019-11-26 02:46:25,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-26 02:46:25,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:25,275 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:25,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:25,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 131 states and 235 transitions. [2019-11-26 02:46:25,815 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 235 transitions. [2019-11-26 02:46:25,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-26 02:46:25,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:25,840 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:26,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:26,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 132 states and 238 transitions. [2019-11-26 02:46:26,014 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 238 transitions. [2019-11-26 02:46:26,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-26 02:46:26,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:26,040 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:26,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:26,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 137 states and 247 transitions. [2019-11-26 02:46:26,219 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 247 transitions. [2019-11-26 02:46:26,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-26 02:46:26,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:26,240 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:26,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:26,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 138 states and 248 transitions. [2019-11-26 02:46:26,274 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 248 transitions. [2019-11-26 02:46:26,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-26 02:46:26,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:26,299 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:26,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:26,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 139 states and 249 transitions. [2019-11-26 02:46:26,328 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 249 transitions. [2019-11-26 02:46:26,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-26 02:46:26,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:26,357 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:26,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:26,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 140 states and 250 transitions. [2019-11-26 02:46:26,406 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 250 transitions. [2019-11-26 02:46:26,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-26 02:46:26,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:26,435 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:46:27,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:27,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 151 states and 294 transitions. [2019-11-26 02:46:27,135 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 294 transitions. [2019-11-26 02:46:27,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-26 02:46:27,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:27,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:27,162 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:46:27,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:27,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 153 states and 297 transitions. [2019-11-26 02:46:27,384 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 297 transitions. [2019-11-26 02:46:27,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 02:46:27,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:27,417 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-26 02:46:27,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:27,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 154 states and 297 transitions. [2019-11-26 02:46:27,427 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 297 transitions. [2019-11-26 02:46:27,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 02:46:27,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:27,758 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:29,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:29,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 162 states and 326 transitions. [2019-11-26 02:46:29,916 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 326 transitions. [2019-11-26 02:46:29,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-26 02:46:29,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:29,945 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:46:29,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:29,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 163 states and 327 transitions. [2019-11-26 02:46:29,964 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 327 transitions. [2019-11-26 02:46:29,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-26 02:46:29,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:30,005 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:46:30,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:30,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 164 states and 328 transitions. [2019-11-26 02:46:30,031 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 328 transitions. [2019-11-26 02:46:30,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-26 02:46:30,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:30,082 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:46:30,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:30,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 165 states and 325 transitions. [2019-11-26 02:46:30,410 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 325 transitions. [2019-11-26 02:46:30,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-26 02:46:30,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:30,433 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:31,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:31,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 179 states and 365 transitions. [2019-11-26 02:46:31,511 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 365 transitions. [2019-11-26 02:46:31,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-26 02:46:31,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:31,540 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:32,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:32,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 184 states and 376 transitions. [2019-11-26 02:46:32,500 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 376 transitions. [2019-11-26 02:46:32,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-26 02:46:32,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:32,523 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:32,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:32,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 185 states and 377 transitions. [2019-11-26 02:46:32,542 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 377 transitions. [2019-11-26 02:46:32,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-26 02:46:32,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:32,564 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:32,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:32,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 186 states and 378 transitions. [2019-11-26 02:46:32,581 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 378 transitions. [2019-11-26 02:46:32,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-26 02:46:32,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:32,685 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-26 02:46:33,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:33,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 190 states and 390 transitions. [2019-11-26 02:46:33,790 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 390 transitions. [2019-11-26 02:46:33,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-26 02:46:33,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:33,818 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-26 02:46:34,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:34,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 194 states and 396 transitions. [2019-11-26 02:46:34,489 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 396 transitions. [2019-11-26 02:46:34,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-26 02:46:34,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:34,513 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-26 02:46:34,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:34,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 198 states and 404 transitions. [2019-11-26 02:46:34,820 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 404 transitions. [2019-11-26 02:46:34,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-26 02:46:34,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:34,854 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:46:35,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:35,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 200 states and 412 transitions. [2019-11-26 02:46:35,638 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 412 transitions. [2019-11-26 02:46:35,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-26 02:46:35,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:35,797 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:36,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:36,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 202 states and 412 transitions. [2019-11-26 02:46:36,592 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 412 transitions. [2019-11-26 02:46:36,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-26 02:46:36,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:36,616 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-26 02:46:36,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:36,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 203 states and 413 transitions. [2019-11-26 02:46:36,647 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 413 transitions. [2019-11-26 02:46:36,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-26 02:46:36,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:36,671 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:46:37,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:37,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 205 states and 415 transitions. [2019-11-26 02:46:37,085 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 415 transitions. [2019-11-26 02:46:37,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:46:37,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:37,109 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-26 02:46:37,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:37,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 203 states and 411 transitions. [2019-11-26 02:46:37,141 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 411 transitions. [2019-11-26 02:46:37,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:46:37,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:37,170 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-26 02:46:37,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:37,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 200 states and 403 transitions. [2019-11-26 02:46:37,201 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 403 transitions. [2019-11-26 02:46:37,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-26 02:46:37,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:37,228 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:46:37,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:37,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 205 states and 413 transitions. [2019-11-26 02:46:37,489 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 413 transitions. [2019-11-26 02:46:37,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-26 02:46:37,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:37,553 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:46:37,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:37,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 207 states and 414 transitions. [2019-11-26 02:46:37,860 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 414 transitions. [2019-11-26 02:46:37,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-26 02:46:37,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:37,887 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:46:38,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:38,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 210 states and 423 transitions. [2019-11-26 02:46:38,308 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 423 transitions. [2019-11-26 02:46:38,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-26 02:46:38,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:38,334 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:46:38,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:38,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 211 states and 424 transitions. [2019-11-26 02:46:38,373 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 424 transitions. [2019-11-26 02:46:38,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-26 02:46:38,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:38,398 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:46:38,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:38,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 212 states and 425 transitions. [2019-11-26 02:46:38,445 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 425 transitions. [2019-11-26 02:46:38,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-26 02:46:38,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:38,470 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-26 02:46:38,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:38,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 197 states and 396 transitions. [2019-11-26 02:46:38,493 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 396 transitions. [2019-11-26 02:46:38,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-26 02:46:38,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:38,524 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-26 02:46:38,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:38,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 197 states and 393 transitions. [2019-11-26 02:46:38,738 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 393 transitions. [2019-11-26 02:46:38,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-26 02:46:38,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:38,769 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-26 02:46:39,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:39,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 195 states and 382 transitions. [2019-11-26 02:46:39,460 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 382 transitions. [2019-11-26 02:46:39,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-26 02:46:39,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:39,817 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 25 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 02:46:41,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:41,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 206 states and 421 transitions. [2019-11-26 02:46:41,985 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 421 transitions. [2019-11-26 02:46:41,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-26 02:46:41,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:42,016 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-26 02:46:42,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:42,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 123 states and 201 transitions. [2019-11-26 02:46:42,510 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 201 transitions. [2019-11-26 02:46:42,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:46:42,511 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 53 iterations. [2019-11-26 02:46:42,517 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 02:46:42,887 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:46:42,890 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:46:42,890 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:46:42,890 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-26 02:46:42,893 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:46:42,893 INFO L569 CodeCheckObserver]: Invariant with dag size 17 [2019-11-26 02:46:42,895 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:46:42,895 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:46:42,895 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:46:42,895 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:46:42,895 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:46:42,895 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:46:42,896 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:46:42,896 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-26 02:46:42,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:46:42 ImpRootNode [2019-11-26 02:46:42,897 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:46:42,897 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:46:42,897 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:46:42,898 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:46:42,898 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:46:21" (3/4) ... [2019-11-26 02:46:42,901 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:46:42,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-26 02:46:42,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-26 02:46:42,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-26 02:46:42,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-26 02:46:42,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-26 02:46:42,907 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-26 02:46:42,907 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-11-26 02:46:42,907 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-11-26 02:46:42,914 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2019-11-26 02:46:42,914 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-11-26 02:46:42,915 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 02:46:42,916 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:46:42,916 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:46:42,917 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:46:42,917 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:46:42,943 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && pumpRunning == \old(pumpRunning)) && !(1 == waterLevel)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || !(pumpRunning == 0) [2019-11-26 02:46:42,944 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-11-26 02:46:42,982 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6365f06b-124f-4d69-8222-dea08e34b759/bin/ukojak/witness.graphml [2019-11-26 02:46:42,983 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:46:42,984 INFO L168 Benchmark]: Toolchain (without parser) took 23278.75 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 436.2 MB). Free memory was 944.8 MB in the beginning and 1.4 GB in the end (delta: -443.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:46:42,985 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:46:42,985 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -188.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:46:42,986 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.43 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. [2019-11-26 02:46:42,986 INFO L168 Benchmark]: Boogie Preprocessor took 35.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:46:42,986 INFO L168 Benchmark]: RCFGBuilder took 1007.27 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:46:42,987 INFO L168 Benchmark]: CodeCheck took 21573.00 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 291.0 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -352.1 MB). Peak memory consumption was 430.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:46:42,987 INFO L168 Benchmark]: Witness Printer took 85.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:46:42,989 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 9 procedures, 62 locations, 1 error locations. Result: SAFE, OverallTime: 21.1s, OverallIterations: 53, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 795881904 SDtfs, -1959921822 SDslu, -1061180944 SDs, 0 SdLazy, -326009238 SolverSat, 419545868 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 41.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23598 GetRequests, 23053 SyntacticMatches, 240 SemanticMatches, 305 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46426 ImplicationChecksByTransitivity, 16.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1984 NumberOfCodeBlocks, 1984 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 1932 ConstructedInterpolants, 0 QuantifiedInterpolants, 192953 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 52 InterpolantComputations, 43 PerfectInterpolantSequences, 642/691 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: 952]: 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: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == \old(pumpRunning)) && !(1 == waterLevel)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || !(pumpRunning == 0) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 519.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -188.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.43 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. * Boogie Preprocessor took 35.38 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 1007.27 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * CodeCheck took 21573.00 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 291.0 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -352.1 MB). Peak memory consumption was 430.4 MB. Max. memory is 11.5 GB. * Witness Printer took 85.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...