./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.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_624d8ae8-0b31-42a8-9377-c591680aa6a0/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_624d8ae8-0b31-42a8-9377-c591680aa6a0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_624d8ae8-0b31-42a8-9377-c591680aa6a0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_624d8ae8-0b31-42a8-9377-c591680aa6a0/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_624d8ae8-0b31-42a8-9377-c591680aa6a0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_624d8ae8-0b31-42a8-9377-c591680aa6a0/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 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:23:02,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:23:02,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:23:02,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:23:02,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:23:02,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:23:02,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:23:02,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:23:02,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:23:02,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:23:02,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:23:02,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:23:02,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:23:02,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:23:02,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:23:02,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:23:02,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:23:02,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:23:02,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:23:02,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:23:02,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:23:02,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:23:02,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:23:02,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:23:02,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:23:02,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:23:02,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:23:02,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:23:02,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:23:02,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:23:02,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:23:02,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:23:02,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:23:02,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:23:02,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:23:02,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:23:02,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:23:02,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:23:02,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:23:02,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:23:02,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:23:02,778 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_624d8ae8-0b31-42a8-9377-c591680aa6a0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 10:23:02,790 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:23:02,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:23:02,791 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 10:23:02,791 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 10:23:02,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:23:02,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:23:02,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:23:02,793 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:23:02,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:23:02,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:23:02,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:23:02,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:23:02,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:23:02,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:23:02,794 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:23:02,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:23:02,795 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:23:02,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:23:02,795 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 10:23:02,795 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 10:23:02,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:23:02,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:23:02,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 10:23:02,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:23:02,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:23:02,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:23:02,797 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 10:23:02,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:23:02,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:23:02,798 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_624d8ae8-0b31-42a8-9377-c591680aa6a0/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 -> 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 [2019-11-20 10:23:02,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:23:02,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:23:02,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:23:02,955 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:23:02,956 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:23:02,957 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_624d8ae8-0b31-42a8-9377-c591680aa6a0/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2019-11-20 10:23:03,017 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_624d8ae8-0b31-42a8-9377-c591680aa6a0/bin/ukojak/data/f113fa5c5/d2a2e123355a4009acdc7db4a8622ae4/FLAG90a6757f5 [2019-11-20 10:23:03,443 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:23:03,443 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_624d8ae8-0b31-42a8-9377-c591680aa6a0/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2019-11-20 10:23:03,458 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_624d8ae8-0b31-42a8-9377-c591680aa6a0/bin/ukojak/data/f113fa5c5/d2a2e123355a4009acdc7db4a8622ae4/FLAG90a6757f5 [2019-11-20 10:23:03,468 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_624d8ae8-0b31-42a8-9377-c591680aa6a0/bin/ukojak/data/f113fa5c5/d2a2e123355a4009acdc7db4a8622ae4 [2019-11-20 10:23:03,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:23:03,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:23:03,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:23:03,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:23:03,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:23:03,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:23:03" (1/1) ... [2019-11-20 10:23:03,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5552b935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:23:03, skipping insertion in model container [2019-11-20 10:23:03,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:23:03" (1/1) ... [2019-11-20 10:23:03,485 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:23:03,534 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:23:03,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:23:03,860 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:23:03,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:23:03,983 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:23:03,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:23:03 WrapperNode [2019-11-20 10:23:03,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:23:03,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:23:03,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:23:03,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:23:03,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:23:03" (1/1) ... [2019-11-20 10:23:04,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:23:03" (1/1) ... [2019-11-20 10:23:04,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:23:04,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:23:04,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:23:04,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:23:04,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:23:03" (1/1) ... [2019-11-20 10:23:04,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:23:03" (1/1) ... [2019-11-20 10:23:04,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:23:03" (1/1) ... [2019-11-20 10:23:04,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:23:03" (1/1) ... [2019-11-20 10:23:04,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:23:03" (1/1) ... [2019-11-20 10:23:04,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:23:03" (1/1) ... [2019-11-20 10:23:04,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:23:03" (1/1) ... [2019-11-20 10:23:04,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:23:04,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:23:04,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:23:04,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:23:04,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:23:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_624d8ae8-0b31-42a8-9377-c591680aa6a0/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 10:23:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:23:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 10:23:04,146 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 10:23:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-20 10:23:04,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-20 10:23:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 10:23:04,148 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 10:23:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 10:23:04,148 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 10:23:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 10:23:04,149 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 10:23:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-20 10:23:04,150 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-20 10:23:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-20 10:23:04,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-20 10:23:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-20 10:23:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-20 10:23:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 10:23:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 10:23:04,152 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 10:23:04,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:23:04,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:23:05,015 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:23:05,015 INFO L285 CfgBuilder]: Removed 34 assume(true) statements. [2019-11-20 10:23:05,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:23:05 BoogieIcfgContainer [2019-11-20 10:23:05,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:23:05,017 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 10:23:05,017 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 10:23:05,027 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 10:23:05,027 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:23:05" (1/1) ... [2019-11-20 10:23:05,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:23:05,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:05,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 68 states and 91 transitions. [2019-11-20 10:23:05,090 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 91 transitions. [2019-11-20 10:23:05,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:23:05,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:05,378 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 10:23:05,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:05,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 68 states and 89 transitions. [2019-11-20 10:23:05,391 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2019-11-20 10:23:05,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 10:23:05,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:05,484 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 10:23:05,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:05,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 70 states and 92 transitions. [2019-11-20 10:23:05,518 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2019-11-20 10:23:05,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 10:23:05,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:05,651 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 10:23:05,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:05,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 80 states and 113 transitions. [2019-11-20 10:23:05,815 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 113 transitions. [2019-11-20 10:23:05,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 10:23:05,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:05,899 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 10:23:05,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:05,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 81 states and 114 transitions. [2019-11-20 10:23:05,926 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 114 transitions. [2019-11-20 10:23:05,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 10:23:05,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:05,993 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 10:23:06,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:06,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 82 states and 115 transitions. [2019-11-20 10:23:06,009 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2019-11-20 10:23:06,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 10:23:06,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:06,066 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 10:23:06,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:06,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 83 states and 116 transitions. [2019-11-20 10:23:06,076 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 116 transitions. [2019-11-20 10:23:06,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 10:23:06,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:06,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:23:06,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:06,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 100 states and 154 transitions. [2019-11-20 10:23:06,710 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 154 transitions. [2019-11-20 10:23:06,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 10:23:06,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:06,750 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 10:23:06,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:06,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 101 states and 155 transitions. [2019-11-20 10:23:06,764 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2019-11-20 10:23:06,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 10:23:06,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:06,863 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 10:23:08,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:08,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 120 states and 196 transitions. [2019-11-20 10:23:08,177 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 196 transitions. [2019-11-20 10:23:08,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 10:23:08,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:08,258 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 10:23:08,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:08,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 123 states and 204 transitions. [2019-11-20 10:23:08,472 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 204 transitions. [2019-11-20 10:23:08,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 10:23:08,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:08,509 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 10:23:08,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:08,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 126 states and 212 transitions. [2019-11-20 10:23:08,712 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 212 transitions. [2019-11-20 10:23:08,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 10:23:08,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:08,744 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 10:23:08,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:08,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 130 states and 218 transitions. [2019-11-20 10:23:08,908 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 218 transitions. [2019-11-20 10:23:08,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 10:23:08,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:08,934 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 10:23:08,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:08,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 131 states and 219 transitions. [2019-11-20 10:23:08,955 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 219 transitions. [2019-11-20 10:23:08,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 10:23:08,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:08,989 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 10:23:09,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:09,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 136 states and 228 transitions. [2019-11-20 10:23:09,038 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 228 transitions. [2019-11-20 10:23:09,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 10:23:09,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:09,175 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 10:23:09,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:09,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 142 states and 242 transitions. [2019-11-20 10:23:09,335 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 242 transitions. [2019-11-20 10:23:09,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 10:23:09,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:09,441 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 10:23:09,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:09,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 144 states and 247 transitions. [2019-11-20 10:23:09,696 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 247 transitions. [2019-11-20 10:23:09,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 10:23:09,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:09,728 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 10:23:09,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:09,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 142 states and 241 transitions. [2019-11-20 10:23:09,749 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 241 transitions. [2019-11-20 10:23:09,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 10:23:09,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:09,778 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 10:23:09,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:09,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 146 states and 250 transitions. [2019-11-20 10:23:09,835 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 250 transitions. [2019-11-20 10:23:09,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 10:23:09,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:09,925 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 10:23:10,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:10,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 156 states and 277 transitions. [2019-11-20 10:23:10,707 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 277 transitions. [2019-11-20 10:23:10,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 10:23:10,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:10,734 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 10:23:10,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:10,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 154 states and 273 transitions. [2019-11-20 10:23:10,790 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 273 transitions. [2019-11-20 10:23:10,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 10:23:10,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:11,092 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 10:23:12,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:12,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 157 states and 279 transitions. [2019-11-20 10:23:12,005 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 279 transitions. [2019-11-20 10:23:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 10:23:12,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:12,044 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 10:23:12,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:12,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 164 states and 291 transitions. [2019-11-20 10:23:12,333 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 291 transitions. [2019-11-20 10:23:12,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 10:23:12,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:12,377 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 10:23:12,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:12,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 166 states and 292 transitions. [2019-11-20 10:23:12,706 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 292 transitions. [2019-11-20 10:23:12,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 10:23:12,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:12,749 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 10:23:13,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:13,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 172 states and 306 transitions. [2019-11-20 10:23:13,523 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 306 transitions. [2019-11-20 10:23:13,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 10:23:13,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:13,560 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 10:23:13,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:13,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 173 states and 307 transitions. [2019-11-20 10:23:13,593 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 307 transitions. [2019-11-20 10:23:13,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 10:23:13,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:13,624 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 10:23:13,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:13,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 174 states and 307 transitions. [2019-11-20 10:23:13,634 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 307 transitions. [2019-11-20 10:23:13,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 10:23:13,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:13,664 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 10:23:13,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:13,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 175 states and 308 transitions. [2019-11-20 10:23:13,689 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 308 transitions. [2019-11-20 10:23:13,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 10:23:13,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:13,723 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 10:23:13,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:13,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 176 states and 309 transitions. [2019-11-20 10:23:13,748 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 309 transitions. [2019-11-20 10:23:13,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 10:23:13,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:13,785 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 10:23:15,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:15,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 192 states and 356 transitions. [2019-11-20 10:23:15,963 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 356 transitions. [2019-11-20 10:23:15,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 10:23:15,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:16,005 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 10:23:16,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:16,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 194 states and 360 transitions. [2019-11-20 10:23:16,327 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 360 transitions. [2019-11-20 10:23:16,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 10:23:16,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:16,359 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 10:23:18,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:18,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 206 states and 395 transitions. [2019-11-20 10:23:18,271 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 395 transitions. [2019-11-20 10:23:18,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 10:23:18,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:18,298 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 10:23:18,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:18,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 208 states and 397 transitions. [2019-11-20 10:23:18,599 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 397 transitions. [2019-11-20 10:23:18,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 10:23:18,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:18,642 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:23:18,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:18,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 209 states and 397 transitions. [2019-11-20 10:23:18,655 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 397 transitions. [2019-11-20 10:23:18,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 10:23:18,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:18,692 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 10:23:18,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:18,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 210 states and 398 transitions. [2019-11-20 10:23:18,709 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 398 transitions. [2019-11-20 10:23:18,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 10:23:18,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:18,742 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 10:23:18,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:18,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 211 states and 399 transitions. [2019-11-20 10:23:18,760 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 399 transitions. [2019-11-20 10:23:18,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 10:23:18,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:18,785 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:23:20,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:20,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 226 states and 428 transitions. [2019-11-20 10:23:20,764 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 428 transitions. [2019-11-20 10:23:20,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 10:23:20,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:20,940 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:23:21,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:21,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 229 states and 434 transitions. [2019-11-20 10:23:21,088 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 434 transitions. [2019-11-20 10:23:21,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 10:23:21,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:21,118 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:23:21,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:21,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 230 states and 435 transitions. [2019-11-20 10:23:21,131 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 435 transitions. [2019-11-20 10:23:21,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 10:23:21,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:21,153 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 10:23:23,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:23,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 242 states and 457 transitions. [2019-11-20 10:23:23,191 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 457 transitions. [2019-11-20 10:23:23,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 10:23:23,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:23,215 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:23:23,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:23,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 243 states and 458 transitions. [2019-11-20 10:23:23,242 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 458 transitions. [2019-11-20 10:23:23,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 10:23:23,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:23,268 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:23:23,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:23,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 246 states and 463 transitions. [2019-11-20 10:23:23,295 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 463 transitions. [2019-11-20 10:23:23,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 10:23:23,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:23,322 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 10:23:23,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:23,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 247 states and 464 transitions. [2019-11-20 10:23:23,344 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 464 transitions. [2019-11-20 10:23:23,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 10:23:23,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:23,385 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 10:23:24,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:24,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 251 states and 466 transitions. [2019-11-20 10:23:24,152 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 466 transitions. [2019-11-20 10:23:24,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 10:23:24,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:24,176 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 10:23:24,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:24,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 258 states and 478 transitions. [2019-11-20 10:23:24,785 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 478 transitions. [2019-11-20 10:23:24,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 10:23:24,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:24,806 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 10:23:25,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:25,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 260 states and 479 transitions. [2019-11-20 10:23:25,159 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 479 transitions. [2019-11-20 10:23:25,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 10:23:25,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:25,184 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 10:23:27,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:27,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 268 states and 500 transitions. [2019-11-20 10:23:27,283 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 500 transitions. [2019-11-20 10:23:27,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 10:23:27,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:27,309 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:23:27,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:27,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 269 states and 501 transitions. [2019-11-20 10:23:27,338 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 501 transitions. [2019-11-20 10:23:27,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 10:23:27,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:27,371 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:23:28,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:28,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 275 states and 515 transitions. [2019-11-20 10:23:28,344 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 515 transitions. [2019-11-20 10:23:28,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 10:23:28,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:28,367 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:23:28,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:28,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 279 states and 522 transitions. [2019-11-20 10:23:28,600 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 522 transitions. [2019-11-20 10:23:28,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 10:23:28,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:28,626 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 10:23:29,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:29,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 280 states and 524 transitions. [2019-11-20 10:23:29,070 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 524 transitions. [2019-11-20 10:23:29,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 10:23:29,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:29,093 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:23:29,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:29,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 281 states and 527 transitions. [2019-11-20 10:23:29,140 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 527 transitions. [2019-11-20 10:23:29,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 10:23:29,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:29,163 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:23:29,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:29,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 282 states and 532 transitions. [2019-11-20 10:23:29,672 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 532 transitions. [2019-11-20 10:23:29,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 10:23:29,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:29,693 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 10:23:30,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:30,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 283 states and 533 transitions. [2019-11-20 10:23:30,019 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 533 transitions. [2019-11-20 10:23:30,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 10:23:30,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:30,041 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 10:23:30,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:30,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 284 states and 534 transitions. [2019-11-20 10:23:30,091 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 534 transitions. [2019-11-20 10:23:30,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 10:23:30,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:30,119 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 10:23:30,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:30,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 285 states and 537 transitions. [2019-11-20 10:23:30,654 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 537 transitions. [2019-11-20 10:23:30,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 10:23:30,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:30,680 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 10:23:30,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:30,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 288 states and 542 transitions. [2019-11-20 10:23:30,756 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 542 transitions. [2019-11-20 10:23:30,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 10:23:30,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:30,778 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:23:31,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:31,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 290 states and 546 transitions. [2019-11-20 10:23:31,236 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 546 transitions. [2019-11-20 10:23:31,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 10:23:31,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:31,259 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 10:23:31,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:31,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 292 states and 548 transitions. [2019-11-20 10:23:31,287 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 548 transitions. [2019-11-20 10:23:31,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 10:23:31,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:31,315 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:23:32,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:32,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 299 states and 561 transitions. [2019-11-20 10:23:32,358 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 561 transitions. [2019-11-20 10:23:32,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 10:23:32,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:32,381 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 10:23:32,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:32,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 300 states and 562 transitions. [2019-11-20 10:23:32,437 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 562 transitions. [2019-11-20 10:23:32,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 10:23:32,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:32,468 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 10:23:34,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:34,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 309 states and 577 transitions. [2019-11-20 10:23:34,103 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 577 transitions. [2019-11-20 10:23:34,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 10:23:34,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:34,127 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 10:23:34,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:34,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 307 states and 573 transitions. [2019-11-20 10:23:34,170 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 573 transitions. [2019-11-20 10:23:34,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 10:23:34,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:34,195 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 10:23:34,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:34,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 312 states and 580 transitions. [2019-11-20 10:23:34,614 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 580 transitions. [2019-11-20 10:23:34,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 10:23:34,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:34,637 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 10:23:35,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:35,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 314 states and 581 transitions. [2019-11-20 10:23:35,100 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 581 transitions. [2019-11-20 10:23:35,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 10:23:35,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:35,122 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:23:35,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:35,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 312 states and 577 transitions. [2019-11-20 10:23:35,177 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 577 transitions. [2019-11-20 10:23:35,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 10:23:35,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:35,203 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:23:35,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:35,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 309 states and 571 transitions. [2019-11-20 10:23:35,632 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 571 transitions. [2019-11-20 10:23:35,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 10:23:35,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:35,655 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 10:23:35,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:35,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 303 states and 552 transitions. [2019-11-20 10:23:35,718 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 552 transitions. [2019-11-20 10:23:35,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 10:23:35,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:35,745 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 10:23:35,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:35,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 304 states and 553 transitions. [2019-11-20 10:23:35,797 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 553 transitions. [2019-11-20 10:23:35,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 10:23:35,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 10:23:35,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:35,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 305 states and 554 transitions. [2019-11-20 10:23:35,870 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 554 transitions. [2019-11-20 10:23:35,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-20 10:23:35,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:35,893 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 10:23:36,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:36,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 305 states and 552 transitions. [2019-11-20 10:23:36,141 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 552 transitions. [2019-11-20 10:23:36,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-20 10:23:36,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:36,166 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 10:23:36,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:36,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 307 states and 555 transitions. [2019-11-20 10:23:36,201 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 555 transitions. [2019-11-20 10:23:36,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 10:23:36,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:36,227 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-20 10:23:36,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:36,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 308 states and 556 transitions. [2019-11-20 10:23:36,266 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 556 transitions. [2019-11-20 10:23:36,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 10:23:36,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:36,294 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 10:23:36,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:36,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 295 states and 533 transitions. [2019-11-20 10:23:36,330 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 533 transitions. [2019-11-20 10:23:36,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 10:23:36,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:36,365 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 10:23:36,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:36,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 291 states and 525 transitions. [2019-11-20 10:23:36,901 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 525 transitions. [2019-11-20 10:23:36,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 10:23:36,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:36,927 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 28 proven. 8 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 10:23:37,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:37,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 293 states and 526 transitions. [2019-11-20 10:23:37,457 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 526 transitions. [2019-11-20 10:23:37,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 10:23:37,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:37,493 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 10:23:37,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:37,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 291 states and 514 transitions. [2019-11-20 10:23:37,873 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 514 transitions. [2019-11-20 10:23:37,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-20 10:23:37,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:37,904 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 10:23:38,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:38,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 154 states and 211 transitions. [2019-11-20 10:23:38,960 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2019-11-20 10:23:38,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:23:38,961 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 78 iterations. [2019-11-20 10:23:38,968 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 10:23:39,471 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:23:39,475 INFO L569 CodeCheckObserver]: Invariant with dag size 10 [2019-11-20 10:23:39,479 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-11-20 10:23:39,480 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:23:39,480 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:23:39,480 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:23:39,480 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-11-20 10:23:39,481 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:23:39,481 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:23:39,482 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-20 10:23:39,482 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:23:39,482 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:23:39,482 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-20 10:23:39,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 10:23:39 ImpRootNode [2019-11-20 10:23:39,483 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 10:23:39,484 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:23:39,484 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:23:39,484 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:23:39,485 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:23:05" (3/4) ... [2019-11-20 10:23:39,488 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:23:39,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-20 10:23:39,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-20 10:23:39,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-20 10:23:39,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-11-20 10:23:39,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-20 10:23:39,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-20 10:23:39,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-20 10:23:39,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-11-20 10:23:39,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-11-20 10:23:39,501 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2019-11-20 10:23:39,502 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-11-20 10:23:39,502 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 10:23:39,503 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 10:23:39,503 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 10:23:39,504 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 10:23:39,532 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == systemActive) && !(pumpRunning == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0)) [2019-11-20 10:23:39,533 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-11-20 10:23:39,533 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || 0 == systemActive) || 0 == methaneLevelCritical) || pumpRunning == 0 [2019-11-20 10:23:39,575 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_624d8ae8-0b31-42a8-9377-c591680aa6a0/bin/ukojak/witness.graphml [2019-11-20 10:23:39,575 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:23:39,577 INFO L168 Benchmark]: Toolchain (without parser) took 36105.50 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 583.5 MB). Free memory was 946.1 MB in the beginning and 933.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 596.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:23:39,577 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:23:39,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 513.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.8 MB). Free memory was 940.7 MB in the beginning and 1.2 GB in the end (delta: -215.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-20 10:23:39,578 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:23:39,578 INFO L168 Benchmark]: Boogie Preprocessor took 29.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:23:39,579 INFO L168 Benchmark]: RCFGBuilder took 944.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 83.1 MB). Peak memory consumption was 83.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:23:39,579 INFO L168 Benchmark]: CodeCheck took 34466.28 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 404.8 MB). Free memory was 1.1 GB in the beginning and 952.3 MB in the end (delta: 119.1 MB). Peak memory consumption was 523.9 MB. Max. memory is 11.5 GB. [2019-11-20 10:23:39,580 INFO L168 Benchmark]: Witness Printer took 91.58 ms. Allocated memory is still 1.6 GB. Free memory was 952.3 MB in the beginning and 933.1 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:23:39,581 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 10 procedures, 68 locations, 1 error locations. Result: SAFE, OverallTime: 33.9s, OverallIterations: 78, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1841413048 SDtfs, -2025300664 SDslu, 1837467688 SDs, 0 SdLazy, -1467829980 SolverSat, 1771990020 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 95.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42826 GetRequests, 42081 SyntacticMatches, 337 SemanticMatches, 408 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77373 ImplicationChecksByTransitivity, 27.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 3860 NumberOfCodeBlocks, 3860 NumberOfCodeBlocksAsserted, 77 NumberOfCheckSat, 3783 ConstructedInterpolants, 0 QuantifiedInterpolants, 410453 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 77 InterpolantComputations, 61 PerfectInterpolantSequences, 1582/1685 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: 585]: 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: 283]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || 0 == systemActive) || 0 == methaneLevelCritical) || pumpRunning == 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: !(0 == tmp) || tmp == methaneLevelCritical - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: ((!(0 == systemActive) && !(pumpRunning == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0)) - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 524]: 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 && 0 == methaneLevelCritical) && pumpRunning == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 513.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.8 MB). Free memory was 940.7 MB in the beginning and 1.2 GB in the end (delta: -215.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 944.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 83.1 MB). Peak memory consumption was 83.1 MB. Max. memory is 11.5 GB. * CodeCheck took 34466.28 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 404.8 MB). Free memory was 1.1 GB in the beginning and 952.3 MB in the end (delta: 119.1 MB). Peak memory consumption was 523.9 MB. Max. memory is 11.5 GB. * Witness Printer took 91.58 ms. Allocated memory is still 1.6 GB. Free memory was 952.3 MB in the beginning and 933.1 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...