./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product43.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_a09a04aa-b114-4d3d-9472-dd46d3842722/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a09a04aa-b114-4d3d-9472-dd46d3842722/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a09a04aa-b114-4d3d-9472-dd46d3842722/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a09a04aa-b114-4d3d-9472-dd46d3842722/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a09a04aa-b114-4d3d-9472-dd46d3842722/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a09a04aa-b114-4d3d-9472-dd46d3842722/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 d3ef47dc64404f2fae365adb4fa9379fd10f9c50 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 05:01:42,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:01:42,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:01:42,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:01:42,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:01:42,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:01:42,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:01:42,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:01:42,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:01:42,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:01:42,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:01:42,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:01:42,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:01:42,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:01:42,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:01:42,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:01:42,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:01:42,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:01:42,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:01:42,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:01:42,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:01:42,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:01:42,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:01:42,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:01:42,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:01:42,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:01:42,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:01:42,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:01:42,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:01:42,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:01:42,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:01:42,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:01:42,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:01:42,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:01:42,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:01:42,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:01:42,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:01:42,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:01:42,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:01:42,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:01:42,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:01:42,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a09a04aa-b114-4d3d-9472-dd46d3842722/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 05:01:42,972 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:01:42,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:01:42,973 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 05:01:42,974 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 05:01:42,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:01:42,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:01:42,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:01:42,975 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:01:42,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:01:42,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:01:42,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:01:42,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:01:42,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:01:42,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:01:42,976 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:01:42,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:01:42,977 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:01:42,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:01:42,977 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 05:01:42,978 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 05:01:42,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:01:42,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:01:42,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 05:01:42,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:01:42,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:01:42,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:01:42,979 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 05:01:42,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:01:42,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:01:42,980 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_a09a04aa-b114-4d3d-9472-dd46d3842722/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 -> d3ef47dc64404f2fae365adb4fa9379fd10f9c50 [2019-11-20 05:01:43,115 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:01:43,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:01:43,131 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:01:43,134 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:01:43,134 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:01:43,135 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a09a04aa-b114-4d3d-9472-dd46d3842722/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c [2019-11-20 05:01:43,190 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a09a04aa-b114-4d3d-9472-dd46d3842722/bin/ukojak/data/117508ddb/1406101fa6f34608b8fc2ce900bffc2d/FLAG61af1c91d [2019-11-20 05:01:43,685 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:01:43,686 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a09a04aa-b114-4d3d-9472-dd46d3842722/sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c [2019-11-20 05:01:43,706 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a09a04aa-b114-4d3d-9472-dd46d3842722/bin/ukojak/data/117508ddb/1406101fa6f34608b8fc2ce900bffc2d/FLAG61af1c91d [2019-11-20 05:01:43,980 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a09a04aa-b114-4d3d-9472-dd46d3842722/bin/ukojak/data/117508ddb/1406101fa6f34608b8fc2ce900bffc2d [2019-11-20 05:01:43,982 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:01:43,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:01:43,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:01:43,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:01:43,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:01:43,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:01:43" (1/1) ... [2019-11-20 05:01:43,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bbded58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:43, skipping insertion in model container [2019-11-20 05:01:43,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:01:43" (1/1) ... [2019-11-20 05:01:43,996 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:01:44,037 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:01:44,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:01:44,403 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:01:44,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:01:44,504 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:01:44,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:44 WrapperNode [2019-11-20 05:01:44,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:01:44,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:01:44,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:01:44,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:01:44,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:44" (1/1) ... [2019-11-20 05:01:44,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:44" (1/1) ... [2019-11-20 05:01:44,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:01:44,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:01:44,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:01:44,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:01:44,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:44" (1/1) ... [2019-11-20 05:01:44,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:44" (1/1) ... [2019-11-20 05:01:44,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:44" (1/1) ... [2019-11-20 05:01:44,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:44" (1/1) ... [2019-11-20 05:01:44,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:44" (1/1) ... [2019-11-20 05:01:44,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:44" (1/1) ... [2019-11-20 05:01:44,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:44" (1/1) ... [2019-11-20 05:01:44,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:01:44,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:01:44,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:01:44,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:01:44,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a09a04aa-b114-4d3d-9472-dd46d3842722/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 05:01:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:01:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 05:01:44,686 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 05:01:44,686 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 05:01:44,687 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 05:01:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 05:01:44,687 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 05:01:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-20 05:01:44,687 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-20 05:01:44,688 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 05:01:44,688 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 05:01:44,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 05:01:44,689 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 05:01:44,689 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 05:01:44,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:01:44,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:01:45,656 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:01:45,656 INFO L285 CfgBuilder]: Removed 44 assume(true) statements. [2019-11-20 05:01:45,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:01:45 BoogieIcfgContainer [2019-11-20 05:01:45,657 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:01:45,658 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 05:01:45,658 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 05:01:45,667 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 05:01:45,668 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:01:45" (1/1) ... [2019-11-20 05:01:45,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:45,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:45,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2019-11-20 05:01:45,719 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2019-11-20 05:01:45,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 05:01:45,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:45,967 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 05:01:45,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:45,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2019-11-20 05:01:45,981 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2019-11-20 05:01:45,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 05:01:45,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:46,074 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 05:01:46,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:46,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2019-11-20 05:01:46,098 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2019-11-20 05:01:46,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 05:01:46,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:46,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:01:46,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:46,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2019-11-20 05:01:46,512 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2019-11-20 05:01:46,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 05:01:46,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:46,599 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 05:01:46,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:46,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2019-11-20 05:01:46,615 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2019-11-20 05:01:46,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 05:01:46,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:46,686 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 05:01:47,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:47,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 81 states and 127 transitions. [2019-11-20 05:01:47,318 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 127 transitions. [2019-11-20 05:01:47,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 05:01:47,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:47,439 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 05:01:48,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:48,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 92 states and 153 transitions. [2019-11-20 05:01:48,378 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 153 transitions. [2019-11-20 05:01:48,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 05:01:48,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:48,490 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 05:01:49,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:49,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 97 states and 161 transitions. [2019-11-20 05:01:49,126 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 161 transitions. [2019-11-20 05:01:49,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 05:01:49,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:49,163 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 05:01:49,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:49,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 98 states and 162 transitions. [2019-11-20 05:01:49,178 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 162 transitions. [2019-11-20 05:01:49,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 05:01:49,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:49,211 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 05:01:49,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:49,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 102 states and 174 transitions. [2019-11-20 05:01:49,436 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 174 transitions. [2019-11-20 05:01:49,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 05:01:49,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:49,483 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 05:01:49,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:49,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 103 states and 175 transitions. [2019-11-20 05:01:49,502 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 175 transitions. [2019-11-20 05:01:49,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 05:01:49,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:49,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:01:49,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:49,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 107 states and 182 transitions. [2019-11-20 05:01:49,672 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 182 transitions. [2019-11-20 05:01:49,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 05:01:49,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:49,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 05:01:49,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:49,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 111 states and 187 transitions. [2019-11-20 05:01:49,850 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 187 transitions. [2019-11-20 05:01:49,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 05:01:49,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:49,960 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:01:50,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:50,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 117 states and 203 transitions. [2019-11-20 05:01:50,638 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 203 transitions. [2019-11-20 05:01:50,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 05:01:50,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:50,695 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:01:50,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:50,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 115 states and 199 transitions. [2019-11-20 05:01:50,737 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 199 transitions. [2019-11-20 05:01:50,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 05:01:50,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:51,089 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 05:01:51,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:51,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 118 states and 207 transitions. [2019-11-20 05:01:51,909 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 207 transitions. [2019-11-20 05:01:51,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 05:01:51,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:51,968 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:01:52,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:52,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 120 states and 208 transitions. [2019-11-20 05:01:52,271 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 208 transitions. [2019-11-20 05:01:52,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 05:01:52,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:52,314 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:01:52,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:52,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 122 states and 213 transitions. [2019-11-20 05:01:52,778 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 213 transitions. [2019-11-20 05:01:52,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 05:01:52,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:52,808 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:01:52,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:52,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 124 states and 220 transitions. [2019-11-20 05:01:52,860 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 220 transitions. [2019-11-20 05:01:52,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 05:01:52,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:52,890 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:01:53,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:53,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 126 states and 224 transitions. [2019-11-20 05:01:53,018 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 224 transitions. [2019-11-20 05:01:53,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 05:01:53,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:53,048 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:01:53,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:53,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 128 states and 226 transitions. [2019-11-20 05:01:53,181 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 226 transitions. [2019-11-20 05:01:53,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 05:01:53,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:53,214 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:01:53,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:53,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 130 states and 227 transitions. [2019-11-20 05:01:53,522 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 227 transitions. [2019-11-20 05:01:53,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 05:01:53,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:53,564 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:01:53,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:53,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 137 states and 246 transitions. [2019-11-20 05:01:53,876 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 246 transitions. [2019-11-20 05:01:53,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 05:01:53,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:53,920 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:01:54,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:54,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 139 states and 247 transitions. [2019-11-20 05:01:54,163 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 247 transitions. [2019-11-20 05:01:54,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 05:01:54,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:54,899 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 05:01:58,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:58,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 155 states and 289 transitions. [2019-11-20 05:01:58,707 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 289 transitions. [2019-11-20 05:01:58,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 05:01:58,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:58,734 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:01:58,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:58,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 156 states and 290 transitions. [2019-11-20 05:01:58,749 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 290 transitions. [2019-11-20 05:01:58,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 05:01:58,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:58,775 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 05:01:59,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:00,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 161 states and 295 transitions. [2019-11-20 05:02:00,000 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 295 transitions. [2019-11-20 05:02:00,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 05:02:00,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:00,484 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 05:02:01,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:01,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 161 states and 288 transitions. [2019-11-20 05:02:01,149 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 288 transitions. [2019-11-20 05:02:01,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 05:02:01,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:01,199 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 05:02:01,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:01,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 164 states and 296 transitions. [2019-11-20 05:02:01,719 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 296 transitions. [2019-11-20 05:02:01,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 05:02:01,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:01,747 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 05:02:01,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:01,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 162 states and 292 transitions. [2019-11-20 05:02:01,785 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 292 transitions. [2019-11-20 05:02:01,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 05:02:01,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:01,811 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 05:02:02,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:02,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 163 states and 295 transitions. [2019-11-20 05:02:02,220 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 295 transitions. [2019-11-20 05:02:02,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 05:02:02,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:02,249 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 05:02:02,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:02,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 164 states and 297 transitions. [2019-11-20 05:02:02,696 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 297 transitions. [2019-11-20 05:02:02,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 05:02:02,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:02,722 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 05:02:03,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:03,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 165 states and 298 transitions. [2019-11-20 05:02:03,007 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 298 transitions. [2019-11-20 05:02:03,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 05:02:03,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:03,035 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 05:02:03,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:03,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 167 states and 301 transitions. [2019-11-20 05:02:03,345 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 301 transitions. [2019-11-20 05:02:03,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 05:02:03,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:03,372 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 05:02:03,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:03,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 168 states and 302 transitions. [2019-11-20 05:02:03,717 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 302 transitions. [2019-11-20 05:02:03,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 05:02:03,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:03,744 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 05:02:03,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:03,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 169 states and 303 transitions. [2019-11-20 05:02:03,800 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 303 transitions. [2019-11-20 05:02:03,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 05:02:03,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:03,829 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 05:02:03,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:03,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 161 states and 282 transitions. [2019-11-20 05:02:03,854 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 282 transitions. [2019-11-20 05:02:03,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 05:02:03,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:04,729 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 29 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 05:02:07,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:07,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 169 states and 311 transitions. [2019-11-20 05:02:07,355 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 311 transitions. [2019-11-20 05:02:07,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 05:02:07,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:07,584 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 29 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 05:02:07,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:07,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 171 states and 315 transitions. [2019-11-20 05:02:07,961 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 315 transitions. [2019-11-20 05:02:07,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 05:02:07,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:08,671 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 05:02:09,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:09,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 179 states and 341 transitions. [2019-11-20 05:02:09,812 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 341 transitions. [2019-11-20 05:02:09,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 05:02:09,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:10,184 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 05:02:10,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:10,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 181 states and 347 transitions. [2019-11-20 05:02:10,572 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 347 transitions. [2019-11-20 05:02:10,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 05:02:10,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:11,035 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 05:02:11,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:11,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 182 states and 348 transitions. [2019-11-20 05:02:11,080 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 348 transitions. [2019-11-20 05:02:11,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 05:02:11,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:11,698 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 38 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 05:02:14,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:14,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 190 states and 370 transitions. [2019-11-20 05:02:14,505 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 370 transitions. [2019-11-20 05:02:14,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 05:02:14,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:14,540 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 38 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 05:02:16,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:16,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 195 states and 378 transitions. [2019-11-20 05:02:16,148 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 378 transitions. [2019-11-20 05:02:16,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 05:02:16,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:16,996 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 38 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:02:18,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:18,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 195 states and 369 transitions. [2019-11-20 05:02:18,132 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 369 transitions. [2019-11-20 05:02:18,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 05:02:18,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:18,182 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 05:02:20,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:20,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 201 states and 381 transitions. [2019-11-20 05:02:20,210 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 381 transitions. [2019-11-20 05:02:20,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 05:02:20,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:21,105 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:02:25,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:25,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 214 states and 415 transitions. [2019-11-20 05:02:25,112 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 415 transitions. [2019-11-20 05:02:25,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 05:02:25,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:25,152 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:02:26,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:26,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 214 states and 405 transitions. [2019-11-20 05:02:26,077 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 405 transitions. [2019-11-20 05:02:26,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 05:02:26,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:26,115 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:02:26,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:26,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 216 states and 406 transitions. [2019-11-20 05:02:26,690 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 406 transitions. [2019-11-20 05:02:26,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 05:02:26,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:26,728 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:02:26,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:26,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 217 states and 407 transitions. [2019-11-20 05:02:26,790 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 407 transitions. [2019-11-20 05:02:26,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 05:02:26,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:26,884 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 05:02:31,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:31,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 226 states and 405 transitions. [2019-11-20 05:02:31,006 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 405 transitions. [2019-11-20 05:02:31,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 05:02:31,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:31,094 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 05:02:31,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:31,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 228 states and 406 transitions. [2019-11-20 05:02:31,514 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 406 transitions. [2019-11-20 05:02:31,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 05:02:31,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:32,443 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 33 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 05:02:41,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:41,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 235 states and 433 transitions. [2019-11-20 05:02:41,780 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 433 transitions. [2019-11-20 05:02:41,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-20 05:02:41,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:02:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:02:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:02:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:02:42,233 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 53 iterations. [2019-11-20 05:02:42,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:02:42 ImpRootNode [2019-11-20 05:02:42,461 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 05:02:42,461 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:02:42,461 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:02:42,462 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:02:42,462 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:01:45" (3/4) ... [2019-11-20 05:02:42,464 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 05:02:42,622 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a09a04aa-b114-4d3d-9472-dd46d3842722/bin/ukojak/witness.graphml [2019-11-20 05:02:42,623 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:02:42,625 INFO L168 Benchmark]: Toolchain (without parser) took 58641.14 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 935.9 MB). Free memory was 946.1 MB in the beginning and 1.5 GB in the end (delta: -510.3 MB). Peak memory consumption was 425.6 MB. Max. memory is 11.5 GB. [2019-11-20 05:02:42,625 INFO L168 Benchmark]: CDTParser took 0.95 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. [2019-11-20 05:02:42,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 521.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -151.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-20 05:02:42,626 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2019-11-20 05:02:42,626 INFO L168 Benchmark]: Boogie Preprocessor took 35.41 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:02:42,626 INFO L168 Benchmark]: RCFGBuilder took 1058.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 11.5 GB. [2019-11-20 05:02:42,627 INFO L168 Benchmark]: CodeCheck took 56803.29 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 825.2 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -496.9 MB). Peak memory consumption was 328.3 MB. Max. memory is 11.5 GB. [2019-11-20 05:02:42,627 INFO L168 Benchmark]: Witness Printer took 161.58 ms. Allocated memory is still 2.0 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. [2019-11-20 05:02:42,629 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, 49 locations, 1 error locations. Result: UNSAFE, OverallTime: 56.5s, OverallIterations: 53, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 973829620 SDtfs, 871278920 SDslu, 1909663108 SDs, 0 SdLazy, 132847386 SolverSat, 1735667734 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 48.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27181 GetRequests, 26215 SyntacticMatches, 384 SemanticMatches, 582 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176973 ImplicationChecksByTransitivity, 50.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 2524 NumberOfCodeBlocks, 2524 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 2396 ConstructedInterpolants, 0 QuantifiedInterpolants, 378894 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 52 InterpolantComputations, 33 PerfectInterpolantSequences, 1246/1420 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 - CounterExampleResult [Line: 946]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L310] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L507] int cleanupTimeShifts = 4; [L648] int methAndRunningLastTime ; [L757] int pumpRunning = 0; [L758] int systemActive = 1; [L588] int retValue_acc ; [L589] int tmp ; [L637] int retValue_acc ; [L640] retValue_acc = 1 [L641] return (retValue_acc); [L595] tmp = valid_product() [L597] COND TRUE \read(tmp) [L653] methAndRunningLastTime = 0 [L689] int splverifierCounter ; [L690] int tmp ; [L691] int tmp___0 ; [L692] int tmp___1 ; [L693] int tmp___2 ; [L696] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L698] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L700] COND TRUE splverifierCounter < 4 [L706] tmp = __VERIFIER_nondet_int() [L708] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L710] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 [L710] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L716] tmp___0 = __VERIFIER_nondet_int() [L718] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L726] tmp___2 = __VERIFIER_nondet_int() [L728] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L743] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L764] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L771] COND TRUE \read(systemActive) [L793] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L796] COND TRUE ! pumpRunning [L908] int retValue_acc ; [L909] int tmp ; [L910] int tmp___0 ; [L127] int retValue_acc ; [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); [L914] tmp = isHighWaterSensorDry() [L916] COND FALSE !(\read(tmp)) [L919] tmp___0 = 1 [L921] retValue_acc = tmp___0 [L922] return (retValue_acc); [L798] tmp = isHighWaterLevel() [L800] COND TRUE \read(tmp) [L827] int tmp ; [L852] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L856] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L856] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L856] retValue_acc = isMethaneLevelCritical() [L858] return (retValue_acc); [L831] tmp = isMethaneAlarm() [L833] COND FALSE !(\read(tmp)) [L821] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L658] int tmp ; [L659] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L663] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L663] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L663] tmp = isMethaneLevelCritical() [L665] COND FALSE !(\read(tmp)) [L681] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L743] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L698] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L700] COND TRUE splverifierCounter < 4 [L706] tmp = __VERIFIER_nondet_int() [L708] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L716] tmp___0 = __VERIFIER_nondet_int() [L718] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L720] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L77] COND FALSE !(\read(methaneLevelCritical)) [L80] methaneLevelCritical = 1 [L720] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L726] tmp___2 = __VERIFIER_nondet_int() [L728] COND FALSE !(\read(tmp___2)) [L732] tmp___1 = __VERIFIER_nondet_int() [L734] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L743] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L764] COND TRUE \read(pumpRunning) [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L771] COND TRUE \read(systemActive) [L793] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L796] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L811] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L658] int tmp ; [L659] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L663] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L663] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L663] tmp = isMethaneLevelCritical() [L665] COND TRUE \read(tmp) [L863] int retValue_acc ; [L866] retValue_acc = pumpRunning [L867] return (retValue_acc); [L667] tmp___0 = isPumpRunning() [L669] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L670] COND FALSE !(\read(methAndRunningLastTime)) [L675] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L743] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L698] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L700] COND TRUE splverifierCounter < 4 [L706] tmp = __VERIFIER_nondet_int() [L708] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L716] tmp___0 = __VERIFIER_nondet_int() [L718] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L726] tmp___2 = __VERIFIER_nondet_int() [L728] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L743] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L764] COND TRUE \read(pumpRunning) [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L771] COND TRUE \read(systemActive) [L793] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L796] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L811] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L658] int tmp ; [L659] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L663] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L663] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L663] tmp = isMethaneLevelCritical() [L665] COND TRUE \read(tmp) [L863] int retValue_acc ; [L866] retValue_acc = pumpRunning [L867] return (retValue_acc); [L667] tmp___0 = isPumpRunning() [L669] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L670] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L946] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95 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 521.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -151.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.41 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1058.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 11.5 GB. * CodeCheck took 56803.29 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 825.2 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -496.9 MB). Peak memory consumption was 328.3 MB. Max. memory is 11.5 GB. * Witness Printer took 161.58 ms. Allocated memory is still 2.0 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...