./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product57.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_4dbc231d-2399-4fe2-b57e-486733f89bf5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4dbc231d-2399-4fe2-b57e-486733f89bf5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4dbc231d-2399-4fe2-b57e-486733f89bf5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4dbc231d-2399-4fe2-b57e-486733f89bf5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4dbc231d-2399-4fe2-b57e-486733f89bf5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4dbc231d-2399-4fe2-b57e-486733f89bf5/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 57406ed1e8515a3807c9750d676c6ccf8b3f94ad .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:23:02,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:23:02,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:23:02,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:23:02,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:23:02,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:23:02,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:23:02,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:23:02,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:23:02,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:23:02,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:23:02,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:23:02,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:23:02,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:23:02,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:23:02,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:23:02,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:23:02,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:23:02,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:23:02,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:23:02,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:23:02,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:23:02,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:23:02,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:23:02,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:23:02,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:23:02,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:23:02,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:23:02,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:23:02,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:23:02,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:23:02,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:23:02,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:23:02,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:23:02,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:23:02,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:23:02,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:23:02,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:23:02,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:23:02,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:23:02,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:23:02,992 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4dbc231d-2399-4fe2-b57e-486733f89bf5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 02:23:03,016 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:23:03,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:23:03,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:23:03,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:23:03,026 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:23:03,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:23:03,027 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:23:03,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:23:03,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:23:03,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:23:03,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:23:03,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:23:03,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:23:03,028 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:23:03,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:23:03,029 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:23:03,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:23:03,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:23:03,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:23:03,031 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:23:03,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 02:23:03,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:23:03,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:23:03,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:23:03,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:23:03,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:23:03,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:23:03,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:23:03,036 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_4dbc231d-2399-4fe2-b57e-486733f89bf5/bin/uautomizer 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 -> Automizer 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 -> 57406ed1e8515a3807c9750d676c6ccf8b3f94ad [2019-11-20 02:23:03,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:23:03,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:23:03,230 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:23:03,232 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:23:03,232 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:23:03,233 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4dbc231d-2399-4fe2-b57e-486733f89bf5/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2019-11-20 02:23:03,297 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4dbc231d-2399-4fe2-b57e-486733f89bf5/bin/uautomizer/data/282e1b204/9fa36bc640fe446984c2fc2ac7645cd8/FLAG4840a4827 [2019-11-20 02:23:03,754 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:23:03,755 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4dbc231d-2399-4fe2-b57e-486733f89bf5/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2019-11-20 02:23:03,768 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4dbc231d-2399-4fe2-b57e-486733f89bf5/bin/uautomizer/data/282e1b204/9fa36bc640fe446984c2fc2ac7645cd8/FLAG4840a4827 [2019-11-20 02:23:04,117 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4dbc231d-2399-4fe2-b57e-486733f89bf5/bin/uautomizer/data/282e1b204/9fa36bc640fe446984c2fc2ac7645cd8 [2019-11-20 02:23:04,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:23:04,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:23:04,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:23:04,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:23:04,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:23:04,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:23:04" (1/1) ... [2019-11-20 02:23:04,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@240d64b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:04, skipping insertion in model container [2019-11-20 02:23:04,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:23:04" (1/1) ... [2019-11-20 02:23:04,142 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:23:04,205 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:23:04,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:23:04,572 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:23:04,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:23:04,690 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:23:04,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:04 WrapperNode [2019-11-20 02:23:04,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:23:04,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:23:04,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:23:04,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:23:04,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:04" (1/1) ... [2019-11-20 02:23:04,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:04" (1/1) ... [2019-11-20 02:23:04,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:23:04,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:23:04,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:23:04,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:23:04,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:04" (1/1) ... [2019-11-20 02:23:04,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:04" (1/1) ... [2019-11-20 02:23:04,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:04" (1/1) ... [2019-11-20 02:23:04,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:04" (1/1) ... [2019-11-20 02:23:04,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:04" (1/1) ... [2019-11-20 02:23:04,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:04" (1/1) ... [2019-11-20 02:23:04,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:04" (1/1) ... [2019-11-20 02:23:04,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:23:04,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:23:04,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:23:04,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:23:04,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4dbc231d-2399-4fe2-b57e-486733f89bf5/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2019-11-20 02:23:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:23:04,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 02:23:04,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:23:04,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:23:05,728 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:23:05,728 INFO L285 CfgBuilder]: Removed 194 assume(true) statements. [2019-11-20 02:23:05,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:23:05 BoogieIcfgContainer [2019-11-20 02:23:05,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:23:05,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 02:23:05,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 02:23:05,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 02:23:05,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:23:04" (1/3) ... [2019-11-20 02:23:05,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ed3c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:23:05, skipping insertion in model container [2019-11-20 02:23:05,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:04" (2/3) ... [2019-11-20 02:23:05,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ed3c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:23:05, skipping insertion in model container [2019-11-20 02:23:05,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:23:05" (3/3) ... [2019-11-20 02:23:05,737 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product57.cil.c [2019-11-20 02:23:05,745 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 02:23:05,752 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 02:23:05,761 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 02:23:05,789 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 02:23:05,789 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 02:23:05,789 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 02:23:05,790 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:23:05,791 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:23:05,791 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 02:23:05,792 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:23:05,792 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 02:23:05,817 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2019-11-20 02:23:05,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 02:23:05,823 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:23:05,823 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:23:05,824 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:23:05,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:23:05,828 INFO L82 PathProgramCache]: Analyzing trace with hash -859371484, now seen corresponding path program 1 times [2019-11-20 02:23:05,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:23:05,834 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435988398] [2019-11-20 02:23:05,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:23:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:23:06,078 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 02:23:06,079 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435988398] [2019-11-20 02:23:06,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:23:06,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 02:23:06,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457781864] [2019-11-20 02:23:06,084 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 02:23:06,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:23:06,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 02:23:06,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 02:23:06,098 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2019-11-20 02:23:06,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:23:06,126 INFO L93 Difference]: Finished difference Result 271 states and 408 transitions. [2019-11-20 02:23:06,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 02:23:06,128 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-20 02:23:06,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:23:06,141 INFO L225 Difference]: With dead ends: 271 [2019-11-20 02:23:06,141 INFO L226 Difference]: Without dead ends: 135 [2019-11-20 02:23:06,145 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 02:23:06,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-11-20 02:23:06,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2019-11-20 02:23:06,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-11-20 02:23:06,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2019-11-20 02:23:06,190 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 18 [2019-11-20 02:23:06,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:23:06,190 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2019-11-20 02:23:06,190 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 02:23:06,191 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2019-11-20 02:23:06,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 02:23:06,192 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:23:06,192 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:23:06,192 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:23:06,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:23:06,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1078207453, now seen corresponding path program 1 times [2019-11-20 02:23:06,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:23:06,193 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012581405] [2019-11-20 02:23:06,193 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:23:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:23:06,328 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 02:23:06,328 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012581405] [2019-11-20 02:23:06,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:23:06,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 02:23:06,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307931615] [2019-11-20 02:23:06,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 02:23:06,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:23:06,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:23:06,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:23:06,331 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand 3 states. [2019-11-20 02:23:06,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:23:06,356 INFO L93 Difference]: Finished difference Result 135 states and 196 transitions. [2019-11-20 02:23:06,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:23:06,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-20 02:23:06,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:23:06,363 INFO L225 Difference]: With dead ends: 135 [2019-11-20 02:23:06,363 INFO L226 Difference]: Without dead ends: 55 [2019-11-20 02:23:06,364 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:23:06,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-20 02:23:06,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-20 02:23:06,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-20 02:23:06,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-11-20 02:23:06,370 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2019-11-20 02:23:06,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:23:06,371 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-11-20 02:23:06,371 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 02:23:06,371 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-11-20 02:23:06,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 02:23:06,372 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:23:06,372 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:23:06,372 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:23:06,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:23:06,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1475398090, now seen corresponding path program 1 times [2019-11-20 02:23:06,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:23:06,373 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240386550] [2019-11-20 02:23:06,373 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:23:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:23:06,534 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 02:23:06,534 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240386550] [2019-11-20 02:23:06,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:23:06,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 02:23:06,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314544794] [2019-11-20 02:23:06,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 02:23:06,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:23:06,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 02:23:06,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 02:23:06,536 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2019-11-20 02:23:06,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:23:06,635 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2019-11-20 02:23:06,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 02:23:06,638 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-20 02:23:06,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:23:06,639 INFO L225 Difference]: With dead ends: 103 [2019-11-20 02:23:06,639 INFO L226 Difference]: Without dead ends: 55 [2019-11-20 02:23:06,640 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 02:23:06,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-20 02:23:06,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-20 02:23:06,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-20 02:23:06,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2019-11-20 02:23:06,650 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2019-11-20 02:23:06,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:23:06,651 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2019-11-20 02:23:06,651 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 02:23:06,651 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2019-11-20 02:23:06,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 02:23:06,652 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:23:06,652 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:23:06,652 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:23:06,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:23:06,653 INFO L82 PathProgramCache]: Analyzing trace with hash 597219871, now seen corresponding path program 1 times [2019-11-20 02:23:06,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:23:06,653 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126625248] [2019-11-20 02:23:06,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:23:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:23:06,751 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 02:23:06,751 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126625248] [2019-11-20 02:23:06,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:23:06,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 02:23:06,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357665058] [2019-11-20 02:23:06,752 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 02:23:06,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:23:06,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:23:06,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:23:06,753 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2019-11-20 02:23:06,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:23:06,782 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2019-11-20 02:23:06,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:23:06,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-20 02:23:06,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:23:06,784 INFO L225 Difference]: With dead ends: 125 [2019-11-20 02:23:06,784 INFO L226 Difference]: Without dead ends: 77 [2019-11-20 02:23:06,784 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:23:06,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-11-20 02:23:06,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2019-11-20 02:23:06,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-20 02:23:06,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2019-11-20 02:23:06,793 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 26 [2019-11-20 02:23:06,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:23:06,793 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2019-11-20 02:23:06,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 02:23:06,794 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2019-11-20 02:23:06,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 02:23:06,795 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:23:06,795 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:23:06,795 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:23:06,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:23:06,796 INFO L82 PathProgramCache]: Analyzing trace with hash -105705555, now seen corresponding path program 1 times [2019-11-20 02:23:06,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:23:06,796 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209824671] [2019-11-20 02:23:06,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:23:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:23:06,858 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 02:23:06,859 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209824671] [2019-11-20 02:23:06,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:23:06,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 02:23:06,859 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516419067] [2019-11-20 02:23:06,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 02:23:06,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:23:06,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:23:06,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:23:06,861 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2019-11-20 02:23:06,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:23:06,907 INFO L93 Difference]: Finished difference Result 194 states and 279 transitions. [2019-11-20 02:23:06,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:23:06,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-11-20 02:23:06,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:23:06,911 INFO L225 Difference]: With dead ends: 194 [2019-11-20 02:23:06,911 INFO L226 Difference]: Without dead ends: 126 [2019-11-20 02:23:06,912 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:23:06,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-11-20 02:23:06,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2019-11-20 02:23:06,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-20 02:23:06,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2019-11-20 02:23:06,937 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 32 [2019-11-20 02:23:06,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:23:06,937 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2019-11-20 02:23:06,938 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 02:23:06,938 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2019-11-20 02:23:06,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 02:23:06,943 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:23:06,943 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:23:06,943 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:23:06,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:23:06,944 INFO L82 PathProgramCache]: Analyzing trace with hash 481100459, now seen corresponding path program 1 times [2019-11-20 02:23:06,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:23:06,944 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719514878] [2019-11-20 02:23:06,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:23:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:23:07,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:23:07,049 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719514878] [2019-11-20 02:23:07,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:23:07,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 02:23:07,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788787606] [2019-11-20 02:23:07,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 02:23:07,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:23:07,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 02:23:07,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 02:23:07,051 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 5 states. [2019-11-20 02:23:07,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:23:07,205 INFO L93 Difference]: Finished difference Result 622 states and 885 transitions. [2019-11-20 02:23:07,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 02:23:07,206 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-20 02:23:07,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:23:07,210 INFO L225 Difference]: With dead ends: 622 [2019-11-20 02:23:07,210 INFO L226 Difference]: Without dead ends: 505 [2019-11-20 02:23:07,211 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-20 02:23:07,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2019-11-20 02:23:07,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 227. [2019-11-20 02:23:07,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2019-11-20 02:23:07,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 314 transitions. [2019-11-20 02:23:07,241 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 314 transitions. Word has length 32 [2019-11-20 02:23:07,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:23:07,242 INFO L462 AbstractCegarLoop]: Abstraction has 227 states and 314 transitions. [2019-11-20 02:23:07,242 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 02:23:07,242 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 314 transitions. [2019-11-20 02:23:07,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 02:23:07,244 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:23:07,244 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:23:07,244 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:23:07,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:23:07,245 INFO L82 PathProgramCache]: Analyzing trace with hash 480943923, now seen corresponding path program 1 times [2019-11-20 02:23:07,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:23:07,245 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353677301] [2019-11-20 02:23:07,246 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:23:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:23:07,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:23:07,303 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353677301] [2019-11-20 02:23:07,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:23:07,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 02:23:07,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45597604] [2019-11-20 02:23:07,304 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 02:23:07,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:23:07,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 02:23:07,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 02:23:07,305 INFO L87 Difference]: Start difference. First operand 227 states and 314 transitions. Second operand 5 states. [2019-11-20 02:23:07,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:23:07,456 INFO L93 Difference]: Finished difference Result 865 states and 1197 transitions. [2019-11-20 02:23:07,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 02:23:07,457 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-20 02:23:07,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:23:07,477 INFO L225 Difference]: With dead ends: 865 [2019-11-20 02:23:07,477 INFO L226 Difference]: Without dead ends: 645 [2019-11-20 02:23:07,478 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-20 02:23:07,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2019-11-20 02:23:07,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 225. [2019-11-20 02:23:07,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-11-20 02:23:07,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 308 transitions. [2019-11-20 02:23:07,505 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 308 transitions. Word has length 33 [2019-11-20 02:23:07,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:23:07,506 INFO L462 AbstractCegarLoop]: Abstraction has 225 states and 308 transitions. [2019-11-20 02:23:07,506 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 02:23:07,506 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 308 transitions. [2019-11-20 02:23:07,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 02:23:07,508 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:23:07,508 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:23:07,508 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:23:07,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:23:07,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1552355764, now seen corresponding path program 1 times [2019-11-20 02:23:07,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:23:07,509 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277061607] [2019-11-20 02:23:07,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:23:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:23:07,558 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 02:23:07,559 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277061607] [2019-11-20 02:23:07,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:23:07,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 02:23:07,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827249752] [2019-11-20 02:23:07,560 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 02:23:07,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:23:07,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 02:23:07,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 02:23:07,560 INFO L87 Difference]: Start difference. First operand 225 states and 308 transitions. Second operand 5 states. [2019-11-20 02:23:07,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:23:07,643 INFO L93 Difference]: Finished difference Result 609 states and 825 transitions. [2019-11-20 02:23:07,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 02:23:07,644 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-20 02:23:07,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:23:07,646 INFO L225 Difference]: With dead ends: 609 [2019-11-20 02:23:07,647 INFO L226 Difference]: Without dead ends: 391 [2019-11-20 02:23:07,647 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 02:23:07,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2019-11-20 02:23:07,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 243. [2019-11-20 02:23:07,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2019-11-20 02:23:07,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 326 transitions. [2019-11-20 02:23:07,670 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 326 transitions. Word has length 36 [2019-11-20 02:23:07,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:23:07,670 INFO L462 AbstractCegarLoop]: Abstraction has 243 states and 326 transitions. [2019-11-20 02:23:07,670 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 02:23:07,671 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2019-11-20 02:23:07,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 02:23:07,672 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:23:07,672 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:23:07,672 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:23:07,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:23:07,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1731494282, now seen corresponding path program 1 times [2019-11-20 02:23:07,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:23:07,675 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440785176] [2019-11-20 02:23:07,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:23:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:23:07,741 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 02:23:07,741 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440785176] [2019-11-20 02:23:07,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:23:07,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 02:23:07,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616828790] [2019-11-20 02:23:07,742 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 02:23:07,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:23:07,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 02:23:07,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 02:23:07,743 INFO L87 Difference]: Start difference. First operand 243 states and 326 transitions. Second operand 6 states. [2019-11-20 02:23:07,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:23:07,847 INFO L93 Difference]: Finished difference Result 550 states and 732 transitions. [2019-11-20 02:23:07,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 02:23:07,850 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2019-11-20 02:23:07,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:23:07,852 INFO L225 Difference]: With dead ends: 550 [2019-11-20 02:23:07,852 INFO L226 Difference]: Without dead ends: 314 [2019-11-20 02:23:07,852 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-20 02:23:07,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2019-11-20 02:23:07,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 204. [2019-11-20 02:23:07,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-11-20 02:23:07,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 267 transitions. [2019-11-20 02:23:07,872 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 267 transitions. Word has length 36 [2019-11-20 02:23:07,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:23:07,874 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 267 transitions. [2019-11-20 02:23:07,874 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 02:23:07,874 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 267 transitions. [2019-11-20 02:23:07,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 02:23:07,875 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:23:07,876 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:23:07,876 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:23:07,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:23:07,876 INFO L82 PathProgramCache]: Analyzing trace with hash -764052856, now seen corresponding path program 1 times [2019-11-20 02:23:07,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:23:07,877 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098733180] [2019-11-20 02:23:07,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:23:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:23:07,938 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 02:23:07,938 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098733180] [2019-11-20 02:23:07,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:23:07,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 02:23:07,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247904973] [2019-11-20 02:23:07,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 02:23:07,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:23:07,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 02:23:07,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 02:23:07,939 INFO L87 Difference]: Start difference. First operand 204 states and 267 transitions. Second operand 6 states. [2019-11-20 02:23:08,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:23:08,168 INFO L93 Difference]: Finished difference Result 615 states and 805 transitions. [2019-11-20 02:23:08,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 02:23:08,169 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-11-20 02:23:08,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:23:08,171 INFO L225 Difference]: With dead ends: 615 [2019-11-20 02:23:08,171 INFO L226 Difference]: Without dead ends: 418 [2019-11-20 02:23:08,172 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-20 02:23:08,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2019-11-20 02:23:08,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 204. [2019-11-20 02:23:08,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-11-20 02:23:08,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 262 transitions. [2019-11-20 02:23:08,194 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 262 transitions. Word has length 37 [2019-11-20 02:23:08,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:23:08,195 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 262 transitions. [2019-11-20 02:23:08,195 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 02:23:08,195 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 262 transitions. [2019-11-20 02:23:08,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 02:23:08,197 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:23:08,197 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:23:08,198 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:23:08,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:23:08,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1177012586, now seen corresponding path program 1 times [2019-11-20 02:23:08,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:23:08,199 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552691156] [2019-11-20 02:23:08,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:23:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:23:08,276 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 02:23:08,276 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552691156] [2019-11-20 02:23:08,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:23:08,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 02:23:08,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592538496] [2019-11-20 02:23:08,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 02:23:08,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:23:08,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 02:23:08,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-20 02:23:08,278 INFO L87 Difference]: Start difference. First operand 204 states and 262 transitions. Second operand 7 states. [2019-11-20 02:23:08,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:23:08,401 INFO L93 Difference]: Finished difference Result 516 states and 678 transitions. [2019-11-20 02:23:08,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 02:23:08,402 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-11-20 02:23:08,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:23:08,404 INFO L225 Difference]: With dead ends: 516 [2019-11-20 02:23:08,404 INFO L226 Difference]: Without dead ends: 369 [2019-11-20 02:23:08,405 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-20 02:23:08,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-11-20 02:23:08,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 210. [2019-11-20 02:23:08,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-11-20 02:23:08,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 268 transitions. [2019-11-20 02:23:08,427 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 268 transitions. Word has length 58 [2019-11-20 02:23:08,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:23:08,428 INFO L462 AbstractCegarLoop]: Abstraction has 210 states and 268 transitions. [2019-11-20 02:23:08,428 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 02:23:08,428 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 268 transitions. [2019-11-20 02:23:08,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 02:23:08,429 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:23:08,429 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:23:08,430 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:23:08,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:23:08,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1435178024, now seen corresponding path program 1 times [2019-11-20 02:23:08,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:23:08,431 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614521213] [2019-11-20 02:23:08,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:23:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:23:08,484 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:23:08,485 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614521213] [2019-11-20 02:23:08,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:23:08,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 02:23:08,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705681703] [2019-11-20 02:23:08,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 02:23:08,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:23:08,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:23:08,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:23:08,488 INFO L87 Difference]: Start difference. First operand 210 states and 268 transitions. Second operand 3 states. [2019-11-20 02:23:08,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:23:08,535 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2019-11-20 02:23:08,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:23:08,535 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-20 02:23:08,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:23:08,537 INFO L225 Difference]: With dead ends: 331 [2019-11-20 02:23:08,537 INFO L226 Difference]: Without dead ends: 329 [2019-11-20 02:23:08,538 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:23:08,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2019-11-20 02:23:08,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 236. [2019-11-20 02:23:08,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-11-20 02:23:08,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 307 transitions. [2019-11-20 02:23:08,561 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 307 transitions. Word has length 58 [2019-11-20 02:23:08,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:23:08,561 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 307 transitions. [2019-11-20 02:23:08,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 02:23:08,562 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 307 transitions. [2019-11-20 02:23:08,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 02:23:08,563 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:23:08,563 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:23:08,563 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:23:08,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:23:08,563 INFO L82 PathProgramCache]: Analyzing trace with hash 200937625, now seen corresponding path program 1 times [2019-11-20 02:23:08,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:23:08,564 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496643375] [2019-11-20 02:23:08,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:23:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:23:08,741 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 02:23:08,742 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496643375] [2019-11-20 02:23:08,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:23:08,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 02:23:08,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432826402] [2019-11-20 02:23:08,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 02:23:08,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:23:08,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 02:23:08,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 02:23:08,744 INFO L87 Difference]: Start difference. First operand 236 states and 307 transitions. Second operand 5 states. [2019-11-20 02:23:09,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:23:09,113 INFO L93 Difference]: Finished difference Result 641 states and 850 transitions. [2019-11-20 02:23:09,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 02:23:09,114 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-11-20 02:23:09,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:23:09,116 INFO L225 Difference]: With dead ends: 641 [2019-11-20 02:23:09,116 INFO L226 Difference]: Without dead ends: 462 [2019-11-20 02:23:09,117 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 02:23:09,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2019-11-20 02:23:09,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 269. [2019-11-20 02:23:09,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2019-11-20 02:23:09,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 350 transitions. [2019-11-20 02:23:09,155 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 350 transitions. Word has length 82 [2019-11-20 02:23:09,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:23:09,155 INFO L462 AbstractCegarLoop]: Abstraction has 269 states and 350 transitions. [2019-11-20 02:23:09,156 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 02:23:09,156 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 350 transitions. [2019-11-20 02:23:09,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 02:23:09,157 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:23:09,157 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:23:09,157 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:23:09,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:23:09,158 INFO L82 PathProgramCache]: Analyzing trace with hash -820130729, now seen corresponding path program 1 times [2019-11-20 02:23:09,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:23:09,158 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838312006] [2019-11-20 02:23:09,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:23:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:23:09,218 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:23:09,219 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838312006] [2019-11-20 02:23:09,219 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325480609] [2019-11-20 02:23:09,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4dbc231d-2399-4fe2-b57e-486733f89bf5/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:23:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:23:09,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 02:23:09,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:23:09,405 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:23:09,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 02:23:09,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-11-20 02:23:09,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120029316] [2019-11-20 02:23:09,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 02:23:09,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:23:09,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 02:23:09,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 02:23:09,409 INFO L87 Difference]: Start difference. First operand 269 states and 350 transitions. Second operand 4 states. [2019-11-20 02:23:09,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:23:09,505 INFO L93 Difference]: Finished difference Result 559 states and 728 transitions. [2019-11-20 02:23:09,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 02:23:09,506 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2019-11-20 02:23:09,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:23:09,508 INFO L225 Difference]: With dead ends: 559 [2019-11-20 02:23:09,508 INFO L226 Difference]: Without dead ends: 294 [2019-11-20 02:23:09,509 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 02:23:09,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-11-20 02:23:09,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 274. [2019-11-20 02:23:09,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2019-11-20 02:23:09,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 342 transitions. [2019-11-20 02:23:09,550 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 342 transitions. Word has length 82 [2019-11-20 02:23:09,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:23:09,550 INFO L462 AbstractCegarLoop]: Abstraction has 274 states and 342 transitions. [2019-11-20 02:23:09,550 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 02:23:09,550 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 342 transitions. [2019-11-20 02:23:09,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-20 02:23:09,556 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:23:09,557 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:23:09,760 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:23:09,760 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:23:09,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:23:09,761 INFO L82 PathProgramCache]: Analyzing trace with hash 364797879, now seen corresponding path program 2 times [2019-11-20 02:23:09,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:23:09,762 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838055883] [2019-11-20 02:23:09,762 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:23:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:23:09,916 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 02:23:09,916 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838055883] [2019-11-20 02:23:09,916 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718641691] [2019-11-20 02:23:09,917 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4dbc231d-2399-4fe2-b57e-486733f89bf5/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:23:10,096 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-20 02:23:10,096 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 02:23:10,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 02:23:10,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:23:10,115 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 02:23:10,137 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 02:23:10,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 02:23:10,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-11-20 02:23:10,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222722197] [2019-11-20 02:23:10,140 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 02:23:10,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:23:10,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 02:23:10,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 02:23:10,141 INFO L87 Difference]: Start difference. First operand 274 states and 342 transitions. Second operand 6 states. [2019-11-20 02:23:10,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:23:10,312 INFO L93 Difference]: Finished difference Result 608 states and 761 transitions. [2019-11-20 02:23:10,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 02:23:10,313 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-11-20 02:23:10,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:23:10,313 INFO L225 Difference]: With dead ends: 608 [2019-11-20 02:23:10,313 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 02:23:10,314 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2019-11-20 02:23:10,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 02:23:10,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 02:23:10,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 02:23:10,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 02:23:10,315 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2019-11-20 02:23:10,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:23:10,315 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:23:10,315 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 02:23:10,315 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 02:23:10,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 02:23:10,516 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:23:10,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 02:23:10,995 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 179 [2019-11-20 02:23:11,300 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 173 [2019-11-20 02:23:11,552 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 184 [2019-11-20 02:23:11,717 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 142 [2019-11-20 02:23:11,918 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 142 [2019-11-20 02:23:12,096 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 134 [2019-11-20 02:23:12,232 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 137 [2019-11-20 02:23:12,461 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 122 [2019-11-20 02:23:12,676 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 28 [2019-11-20 02:23:13,638 WARN L191 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 29 [2019-11-20 02:23:14,594 WARN L191 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 29 [2019-11-20 02:23:15,237 WARN L191 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 37 [2019-11-20 02:23:15,682 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 34 [2019-11-20 02:23:16,086 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2019-11-20 02:23:16,201 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 22 [2019-11-20 02:23:16,550 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 35 [2019-11-20 02:23:16,908 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 31 [2019-11-20 02:23:17,033 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 25 [2019-11-20 02:23:17,163 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 25 [2019-11-20 02:23:17,381 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 39 [2019-11-20 02:23:17,694 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 32 [2019-11-20 02:23:17,699 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2019-11-20 02:23:17,699 INFO L440 ceAbstractionStarter]: At program point L201-2(lines 201 215) the Hoare annotation is: false [2019-11-20 02:23:17,699 INFO L444 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-20 02:23:17,699 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2019-11-20 02:23:17,699 INFO L444 ceAbstractionStarter]: For program point L169-1(lines 169 175) no Hoare annotation was computed. [2019-11-20 02:23:17,699 INFO L444 ceAbstractionStarter]: For program point L169-2(lines 169 175) no Hoare annotation was computed. [2019-11-20 02:23:17,699 INFO L444 ceAbstractionStarter]: For program point L169-3(lines 169 175) no Hoare annotation was computed. [2019-11-20 02:23:17,700 INFO L444 ceAbstractionStarter]: For program point L169-4(lines 169 175) no Hoare annotation was computed. [2019-11-20 02:23:17,700 INFO L444 ceAbstractionStarter]: For program point L169-5(lines 169 175) no Hoare annotation was computed. [2019-11-20 02:23:17,700 INFO L444 ceAbstractionStarter]: For program point L104(lines 104 108) no Hoare annotation was computed. [2019-11-20 02:23:17,700 INFO L444 ceAbstractionStarter]: For program point L435(lines 435 441) no Hoare annotation was computed. [2019-11-20 02:23:17,700 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 410) no Hoare annotation was computed. [2019-11-20 02:23:17,700 INFO L444 ceAbstractionStarter]: For program point L435-2(lines 435 441) no Hoare annotation was computed. [2019-11-20 02:23:17,700 INFO L444 ceAbstractionStarter]: For program point L402-1(lines 402 410) no Hoare annotation was computed. [2019-11-20 02:23:17,700 INFO L444 ceAbstractionStarter]: For program point L402-2(lines 402 410) no Hoare annotation was computed. [2019-11-20 02:23:17,700 INFO L444 ceAbstractionStarter]: For program point L435-4(lines 435 441) no Hoare annotation was computed. [2019-11-20 02:23:17,700 INFO L444 ceAbstractionStarter]: For program point L435-6(lines 435 441) no Hoare annotation was computed. [2019-11-20 02:23:17,700 INFO L444 ceAbstractionStarter]: For program point L435-8(lines 435 441) no Hoare annotation was computed. [2019-11-20 02:23:17,700 INFO L444 ceAbstractionStarter]: For program point L435-10(lines 435 441) no Hoare annotation was computed. [2019-11-20 02:23:17,701 INFO L444 ceAbstractionStarter]: For program point L568(lines 568 574) no Hoare annotation was computed. [2019-11-20 02:23:17,701 INFO L440 ceAbstractionStarter]: At program point L568-1(lines 568 574) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (= 0 ~methAndRunningLastTime~0))) (or (and (and (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) .cse6 .cse7) (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 (<= 2 ~waterLevel~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5 .cse2 .cse4 .cse7) (and (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (and .cse1 .cse5 .cse2 .cse3 .cse4) (= 1 ~methaneLevelCritical~0)) .cse6 .cse7))) [2019-11-20 02:23:17,701 INFO L440 ceAbstractionStarter]: At program point L469(lines 464 472) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ULTIMATE.start_main_~tmp~0) (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 ~methaneLevelCritical~0)) [2019-11-20 02:23:17,701 INFO L440 ceAbstractionStarter]: At program point L469-1(lines 464 472) the Hoare annotation is: false [2019-11-20 02:23:17,701 INFO L440 ceAbstractionStarter]: At program point L469-2(lines 464 472) the Hoare annotation is: false [2019-11-20 02:23:17,701 INFO L444 ceAbstractionStarter]: For program point L205(lines 205 209) no Hoare annotation was computed. [2019-11-20 02:23:17,701 INFO L444 ceAbstractionStarter]: For program point L205-1(lines 340 346) no Hoare annotation was computed. [2019-11-20 02:23:17,702 INFO L440 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-20 02:23:17,702 INFO L444 ceAbstractionStarter]: For program point L537(lines 537 541) no Hoare annotation was computed. [2019-11-20 02:23:17,702 INFO L444 ceAbstractionStarter]: For program point L537-2(lines 537 541) no Hoare annotation was computed. [2019-11-20 02:23:17,702 INFO L444 ceAbstractionStarter]: For program point L537-3(lines 537 541) no Hoare annotation was computed. [2019-11-20 02:23:17,702 INFO L444 ceAbstractionStarter]: For program point L372(lines 372 389) no Hoare annotation was computed. [2019-11-20 02:23:17,702 INFO L444 ceAbstractionStarter]: For program point L537-5(lines 537 541) no Hoare annotation was computed. [2019-11-20 02:23:17,702 INFO L444 ceAbstractionStarter]: For program point L372-1(lines 372 389) no Hoare annotation was computed. [2019-11-20 02:23:17,702 INFO L444 ceAbstractionStarter]: For program point L537-6(lines 537 541) no Hoare annotation was computed. [2019-11-20 02:23:17,702 INFO L444 ceAbstractionStarter]: For program point L372-2(lines 372 389) no Hoare annotation was computed. [2019-11-20 02:23:17,702 INFO L444 ceAbstractionStarter]: For program point L372-3(lines 372 389) no Hoare annotation was computed. [2019-11-20 02:23:17,702 INFO L444 ceAbstractionStarter]: For program point L537-8(lines 537 541) no Hoare annotation was computed. [2019-11-20 02:23:17,702 INFO L444 ceAbstractionStarter]: For program point L372-4(lines 372 389) no Hoare annotation was computed. [2019-11-20 02:23:17,703 INFO L444 ceAbstractionStarter]: For program point L372-5(lines 372 389) no Hoare annotation was computed. [2019-11-20 02:23:17,703 INFO L440 ceAbstractionStarter]: At program point L174(lines 165 178) the Hoare annotation is: false [2019-11-20 02:23:17,703 INFO L440 ceAbstractionStarter]: At program point L174-1(lines 165 178) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (and (= 0 ~methaneLevelCritical~0) .cse5 .cse6 .cse7 .cse8)) (.cse4 (<= 2 ~waterLevel~0)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse9 (= 1 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and .cse4 (and .cse0 .cse1)) (and (and .cse5 .cse1 .cse6 .cse7 .cse8 .cse9) .cse4) (and (and .cse5 .cse1 .cse6 .cse2 .cse7 .cse8 .cse9) .cse3)))) [2019-11-20 02:23:17,703 INFO L440 ceAbstractionStarter]: At program point L174-2(lines 165 178) the Hoare annotation is: false [2019-11-20 02:23:17,703 INFO L440 ceAbstractionStarter]: At program point L174-3(lines 165 178) the Hoare annotation is: false [2019-11-20 02:23:17,703 INFO L440 ceAbstractionStarter]: At program point L174-4(lines 165 178) the Hoare annotation is: false [2019-11-20 02:23:17,703 INFO L440 ceAbstractionStarter]: At program point L174-5(lines 165 178) the Hoare annotation is: false [2019-11-20 02:23:17,703 INFO L440 ceAbstractionStarter]: At program point L604(lines 557 605) the Hoare annotation is: false [2019-11-20 02:23:17,704 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2019-11-20 02:23:17,704 INFO L440 ceAbstractionStarter]: At program point L340(lines 339 358) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse4 (= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and (and (and .cse0 .cse1 .cse2) .cse3 .cse4) .cse5 (= 0 ~methAndRunningLastTime~0)) (and (and (= 0 ~methaneLevelCritical~0) .cse0 .cse3 .cse1 .cse2) .cse5) (and (and (and (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) .cse3) .cse4) .cse5))) [2019-11-20 02:23:17,704 INFO L444 ceAbstractionStarter]: For program point L340-1(lines 340 346) no Hoare annotation was computed. [2019-11-20 02:23:17,704 INFO L440 ceAbstractionStarter]: At program point L340-2(lines 339 358) the Hoare annotation is: false [2019-11-20 02:23:17,704 INFO L440 ceAbstractionStarter]: At program point L340-3(lines 339 358) the Hoare annotation is: false [2019-11-20 02:23:17,704 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 326) no Hoare annotation was computed. [2019-11-20 02:23:17,704 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 283) no Hoare annotation was computed. [2019-11-20 02:23:17,704 INFO L440 ceAbstractionStarter]: At program point L309-1(lines 1 986) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and (and (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2 .cse3 .cse4) .cse5) .cse6) (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 (<= 2 ~waterLevel~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5 .cse2 .cse4 .cse6) (and (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (and .cse1 .cse5 .cse2 .cse3 .cse4) (= 1 ~methaneLevelCritical~0)) (<= 1 ~waterLevel~0) .cse6))) [2019-11-20 02:23:17,705 INFO L444 ceAbstractionStarter]: For program point L309-2(lines 309 326) no Hoare annotation was computed. [2019-11-20 02:23:17,705 INFO L447 ceAbstractionStarter]: At program point L276-1(lines 276 283) the Hoare annotation is: true [2019-11-20 02:23:17,705 INFO L440 ceAbstractionStarter]: At program point L309-3(lines 1 986) the Hoare annotation is: false [2019-11-20 02:23:17,705 INFO L444 ceAbstractionStarter]: For program point L309-4(lines 309 326) no Hoare annotation was computed. [2019-11-20 02:23:17,705 INFO L440 ceAbstractionStarter]: At program point L309-5(lines 1 986) the Hoare annotation is: false [2019-11-20 02:23:17,705 INFO L444 ceAbstractionStarter]: For program point L376(lines 376 384) no Hoare annotation was computed. [2019-11-20 02:23:17,705 INFO L444 ceAbstractionStarter]: For program point L376-1(lines 376 384) no Hoare annotation was computed. [2019-11-20 02:23:17,705 INFO L444 ceAbstractionStarter]: For program point L376-2(lines 376 384) no Hoare annotation was computed. [2019-11-20 02:23:17,705 INFO L444 ceAbstractionStarter]: For program point L376-3(lines 376 384) no Hoare annotation was computed. [2019-11-20 02:23:17,705 INFO L444 ceAbstractionStarter]: For program point L376-4(lines 376 384) no Hoare annotation was computed. [2019-11-20 02:23:17,705 INFO L444 ceAbstractionStarter]: For program point L376-5(lines 376 384) no Hoare annotation was computed. [2019-11-20 02:23:17,706 INFO L440 ceAbstractionStarter]: At program point L543(lines 528 546) the Hoare annotation is: (let ((.cse6 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse0 (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))) (.cse1 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2))) (.cse7 (<= 1 ~waterLevel~0)) (.cse8 (let ((.cse9 (= 0 ~waterLevel~0))) (or (and .cse9 (= 1 ULTIMATE.start_isLowWaterLevel_~tmp~6)) (and (not .cse9) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~6)))))) (or (and (and .cse0 (and (and .cse1 .cse2 .cse3) .cse4 (= 1 ~methaneLevelCritical~0)) .cse5) .cse6 .cse7 .cse8) (and .cse6 (and .cse0 (and (= 0 ~methaneLevelCritical~0) .cse1 .cse4 .cse2 .cse3) .cse5) .cse7 .cse8))) [2019-11-20 02:23:17,706 INFO L440 ceAbstractionStarter]: At program point L543-1(lines 528 546) the Hoare annotation is: false [2019-11-20 02:23:17,706 INFO L440 ceAbstractionStarter]: At program point L543-2(lines 528 546) the Hoare annotation is: false [2019-11-20 02:23:17,706 INFO L444 ceAbstractionStarter]: For program point L313(lines 313 323) no Hoare annotation was computed. [2019-11-20 02:23:17,706 INFO L444 ceAbstractionStarter]: For program point L313-2(lines 313 323) no Hoare annotation was computed. [2019-11-20 02:23:17,706 INFO L444 ceAbstractionStarter]: For program point L313-4(lines 313 323) no Hoare annotation was computed. [2019-11-20 02:23:17,706 INFO L444 ceAbstractionStarter]: For program point L578(lines 578 584) no Hoare annotation was computed. [2019-11-20 02:23:17,706 INFO L440 ceAbstractionStarter]: At program point L578-1(lines 578 584) the Hoare annotation is: (let ((.cse4 (= 1 ~methaneLevelCritical~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse9 (= 0 ~methaneLevelCritical~0)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and (and (and (and (and .cse0 .cse1 .cse2) (= |ULTIMATE.start_valid_product_#res| 1) .cse3) .cse4) .cse5) .cse6) (and .cse7 (and (and (and .cse8 .cse0 .cse2) .cse3 .cse4) .cse5)) (and .cse7 (and .cse9 .cse8 .cse3 .cse0 .cse2)) (and (and (= 1 ~systemActive~0) .cse9 .cse8 .cse0 .cse1 .cse2) .cse6 .cse5))) [2019-11-20 02:23:17,707 INFO L440 ceAbstractionStarter]: At program point L347(lines 347 353) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (<= 1 ~waterLevel~0))) (or (and (and .cse0 .cse1 .cse2 .cse3 .cse4) (<= 2 ~waterLevel~0)) (and (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse4) .cse6) (and (and (and (and .cse2 .cse3 .cse5 .cse4) (= 1 ULTIMATE.start_main_~tmp~0)) (= 1 ~methaneLevelCritical~0)) .cse6))) [2019-11-20 02:23:17,707 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 320) no Hoare annotation was computed. [2019-11-20 02:23:17,707 INFO L440 ceAbstractionStarter]: At program point L347-1(lines 347 353) the Hoare annotation is: false [2019-11-20 02:23:17,707 INFO L440 ceAbstractionStarter]: At program point L347-2(lines 347 353) the Hoare annotation is: false [2019-11-20 02:23:17,707 INFO L444 ceAbstractionStarter]: For program point L314-2(lines 314 320) no Hoare annotation was computed. [2019-11-20 02:23:17,707 INFO L444 ceAbstractionStarter]: For program point L314-4(lines 314 320) no Hoare annotation was computed. [2019-11-20 02:23:17,707 INFO L444 ceAbstractionStarter]: For program point L116(lines 116 120) no Hoare annotation was computed. [2019-11-20 02:23:17,707 INFO L440 ceAbstractionStarter]: At program point L250(lines 246 252) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-20 02:23:17,708 INFO L440 ceAbstractionStarter]: At program point L184(lines 179 187) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse4 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse5 (<= 1 ~waterLevel~0))) (or (and (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) .cse4 .cse5) (and (and (and .cse0 .cse2 .cse3) .cse1 (= 1 ~methaneLevelCritical~0)) .cse4 .cse5 (= 0 ~methAndRunningLastTime~0)))) [2019-11-20 02:23:17,708 INFO L440 ceAbstractionStarter]: At program point L184-1(lines 179 187) the Hoare annotation is: false [2019-11-20 02:23:17,708 INFO L440 ceAbstractionStarter]: At program point L184-2(lines 179 187) the Hoare annotation is: false [2019-11-20 02:23:17,708 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 02:23:17,708 INFO L447 ceAbstractionStarter]: At program point L285(lines 266 288) the Hoare annotation is: true [2019-11-20 02:23:17,708 INFO L444 ceAbstractionStarter]: For program point L518(lines 518 522) no Hoare annotation was computed. [2019-11-20 02:23:17,708 INFO L444 ceAbstractionStarter]: For program point L518-2(lines 518 522) no Hoare annotation was computed. [2019-11-20 02:23:17,708 INFO L444 ceAbstractionStarter]: For program point L518-3(lines 518 522) no Hoare annotation was computed. [2019-11-20 02:23:17,708 INFO L444 ceAbstractionStarter]: For program point L518-5(lines 518 522) no Hoare annotation was computed. [2019-11-20 02:23:17,708 INFO L444 ceAbstractionStarter]: For program point L518-6(lines 518 522) no Hoare annotation was computed. [2019-11-20 02:23:17,708 INFO L444 ceAbstractionStarter]: For program point L518-8(lines 518 522) no Hoare annotation was computed. [2019-11-20 02:23:17,708 INFO L444 ceAbstractionStarter]: For program point L518-9(lines 518 522) no Hoare annotation was computed. [2019-11-20 02:23:17,709 INFO L444 ceAbstractionStarter]: For program point L518-11(lines 518 522) no Hoare annotation was computed. [2019-11-20 02:23:17,709 INFO L444 ceAbstractionStarter]: For program point L518-12(lines 518 522) no Hoare annotation was computed. [2019-11-20 02:23:17,709 INFO L444 ceAbstractionStarter]: For program point L518-14(lines 518 522) no Hoare annotation was computed. [2019-11-20 02:23:17,709 INFO L444 ceAbstractionStarter]: For program point L518-15(lines 518 522) no Hoare annotation was computed. [2019-11-20 02:23:17,709 INFO L444 ceAbstractionStarter]: For program point L518-17(lines 518 522) no Hoare annotation was computed. [2019-11-20 02:23:17,709 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 02:23:17,709 INFO L444 ceAbstractionStarter]: For program point L983(line 983) no Hoare annotation was computed. [2019-11-20 02:23:17,709 INFO L444 ceAbstractionStarter]: For program point L983-1(line 983) no Hoare annotation was computed. [2019-11-20 02:23:17,709 INFO L444 ceAbstractionStarter]: For program point L983-2(line 983) no Hoare annotation was computed. [2019-11-20 02:23:17,709 INFO L444 ceAbstractionStarter]: For program point L92(lines 92 96) no Hoare annotation was computed. [2019-11-20 02:23:17,709 INFO L444 ceAbstractionStarter]: For program point L92-3(lines 92 96) no Hoare annotation was computed. [2019-11-20 02:23:17,710 INFO L444 ceAbstractionStarter]: For program point L92-6(lines 92 96) no Hoare annotation was computed. [2019-11-20 02:23:17,710 INFO L444 ceAbstractionStarter]: For program point L588(lines 588 599) no Hoare annotation was computed. [2019-11-20 02:23:17,710 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 02:23:17,710 INFO L440 ceAbstractionStarter]: At program point L524(lines 509 527) the Hoare annotation is: false [2019-11-20 02:23:17,710 INFO L440 ceAbstractionStarter]: At program point L524-1(lines 509 527) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse2 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~5))) (.cse4 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (.cse6 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse10 (= 1 ~methaneLevelCritical~0)) (.cse11 (<= 2 ~waterLevel~0)) (.cse3 (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) .cse5 .cse7 .cse8 .cse9))) (or (and .cse0 (and .cse1 .cse2 .cse3 .cse4)) (and (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) .cse11) (and .cse0 (and .cse1 .cse2 .cse5 .cse4 .cse6 .cse7 .cse8 .cse9 .cse10)) (and .cse11 .cse3)))) [2019-11-20 02:23:17,710 INFO L440 ceAbstractionStarter]: At program point L524-2(lines 509 527) the Hoare annotation is: false [2019-11-20 02:23:17,710 INFO L440 ceAbstractionStarter]: At program point L524-3(lines 509 527) the Hoare annotation is: false [2019-11-20 02:23:17,710 INFO L440 ceAbstractionStarter]: At program point L524-4(lines 509 527) the Hoare annotation is: false [2019-11-20 02:23:17,710 INFO L440 ceAbstractionStarter]: At program point L524-5(lines 509 527) the Hoare annotation is: false [2019-11-20 02:23:17,710 INFO L440 ceAbstractionStarter]: At program point L129(lines 124 132) the Hoare annotation is: false [2019-11-20 02:23:17,711 INFO L440 ceAbstractionStarter]: At program point L129-1(lines 124 132) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and (= 0 ~methaneLevelCritical~0) .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse4 .cse5)) (and .cse1 .cse0 .cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5 (= 1 ~methaneLevelCritical~0)))) [2019-11-20 02:23:17,711 INFO L440 ceAbstractionStarter]: At program point L129-2(lines 124 132) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse7 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ~methaneLevelCritical~0)) .cse5) (and (and .cse6 .cse0 .cse4 .cse7 .cse1 .cse2 .cse3) .cse5) (and (<= 2 ~waterLevel~0) (and .cse6 .cse0 .cse4 .cse7 .cse1 .cse3)))) [2019-11-20 02:23:17,711 INFO L440 ceAbstractionStarter]: At program point L129-3(lines 124 132) the Hoare annotation is: false [2019-11-20 02:23:17,711 INFO L440 ceAbstractionStarter]: At program point L129-4(lines 124 132) the Hoare annotation is: false [2019-11-20 02:23:17,711 INFO L440 ceAbstractionStarter]: At program point L129-5(lines 124 132) the Hoare annotation is: false [2019-11-20 02:23:17,711 INFO L440 ceAbstractionStarter]: At program point L129-6(lines 124 132) the Hoare annotation is: false [2019-11-20 02:23:17,711 INFO L440 ceAbstractionStarter]: At program point L129-7(lines 124 132) the Hoare annotation is: false [2019-11-20 02:23:17,711 INFO L440 ceAbstractionStarter]: At program point L129-8(lines 124 132) the Hoare annotation is: false [2019-11-20 02:23:17,711 INFO L444 ceAbstractionStarter]: For program point L559(lines 558 603) no Hoare annotation was computed. [2019-11-20 02:23:17,711 INFO L440 ceAbstractionStarter]: At program point L460(lines 453 463) the Hoare annotation is: false [2019-11-20 02:23:17,711 INFO L440 ceAbstractionStarter]: At program point L460-1(lines 453 463) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and (= 0 ~methaneLevelCritical~0) .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse4 .cse5)) (and .cse0 (and .cse1 .cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse5 (= 1 ~methaneLevelCritical~0))))) [2019-11-20 02:23:17,711 INFO L440 ceAbstractionStarter]: At program point L460-2(lines 453 463) the Hoare annotation is: false [2019-11-20 02:23:17,711 INFO L440 ceAbstractionStarter]: At program point L460-3(lines 453 463) the Hoare annotation is: false [2019-11-20 02:23:17,711 INFO L440 ceAbstractionStarter]: At program point L460-4(lines 453 463) the Hoare annotation is: false [2019-11-20 02:23:17,712 INFO L440 ceAbstractionStarter]: At program point L460-5(lines 453 463) the Hoare annotation is: false [2019-11-20 02:23:17,712 INFO L444 ceAbstractionStarter]: For program point L560(lines 560 564) no Hoare annotation was computed. [2019-11-20 02:23:17,712 INFO L440 ceAbstractionStarter]: At program point L65(lines 1 986) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-20 02:23:17,712 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 02:23:17,712 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2019-11-20 02:23:17,712 INFO L444 ceAbstractionStarter]: For program point L594(lines 594 598) no Hoare annotation was computed. [2019-11-20 02:23:17,712 INFO L444 ceAbstractionStarter]: For program point L594-2(lines 340 346) no Hoare annotation was computed. [2019-11-20 02:23:17,712 INFO L440 ceAbstractionStarter]: At program point L298(lines 293 300) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-20 02:23:17,712 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 415) no Hoare annotation was computed. [2019-11-20 02:23:17,712 INFO L444 ceAbstractionStarter]: For program point L398-1(lines 398 415) no Hoare annotation was computed. [2019-11-20 02:23:17,712 INFO L444 ceAbstractionStarter]: For program point L398-2(lines 398 415) no Hoare annotation was computed. [2019-11-20 02:23:17,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 02:23:17 BoogieIcfgContainer [2019-11-20 02:23:17,747 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 02:23:17,748 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:23:17,748 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:23:17,748 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:23:17,749 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:23:05" (3/4) ... [2019-11-20 02:23:17,752 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 02:23:17,771 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 02:23:17,772 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-20 02:23:17,773 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 02:23:17,774 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 02:23:17,776 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 02:23:17,777 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 02:23:17,804 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime [2019-11-20 02:23:17,804 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime [2019-11-20 02:23:17,804 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime [2019-11-20 02:23:17,804 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp) && 0 == methAndRunningLastTime) || ((((((((tmp == 0 && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == \result && (((tmp == systemActive && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel) && 0 == methAndRunningLastTime) [2019-11-20 02:23:17,805 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == methaneLevelCritical && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp) && 1 <= waterLevel) && 0 == methAndRunningLastTime) || ((((((((tmp == 0 && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == \result && (((tmp == systemActive && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel) && 0 == methAndRunningLastTime) [2019-11-20 02:23:17,805 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && \result == 1) && 1 == tmp) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 1 <= waterLevel) || (2 <= waterLevel && ((((tmp == systemActive && \result == systemActive) && 0 == splverifierCounter) && 1 == tmp) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (2 <= waterLevel && (((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter)) || (((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == methAndRunningLastTime) [2019-11-20 02:23:17,806 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && \result == systemActive) && 0 == splverifierCounter) && 1 == tmp) && 1 == methaneLevelCritical) && 1 <= waterLevel) && 0 == methAndRunningLastTime) || (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 1 <= waterLevel)) || ((((((tmp == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp) && 1 == methaneLevelCritical) && 1 <= waterLevel) [2019-11-20 02:23:17,806 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) || ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= waterLevel)) || ((((((tmp == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp) && 1 == methaneLevelCritical) && 1 <= waterLevel) [2019-11-20 02:23:17,807 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp) && 1 == \result) && 1 == methaneLevelCritical) && 1 <= waterLevel) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && 0 == \result) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= waterLevel)) || (2 <= waterLevel && ((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && 0 == \result) && \result == systemActive) && 0 == splverifierCounter) [2019-11-20 02:23:17,808 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 0 == \result) && 1 <= waterLevel) || (((((((tmp == systemActive && \result == systemActive) && 0 == splverifierCounter) && 1 == tmp) && 1 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && 0 == methAndRunningLastTime) [2019-11-20 02:23:17,809 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == methaneLevelCritical && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp) && !(\result == 0)) && 1 <= waterLevel) || (2 <= waterLevel && ((((0 == methaneLevelCritical && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp)) || ((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 2 <= waterLevel)) || (((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel) [2019-11-20 02:23:17,809 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && \result == 0) && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical [2019-11-20 02:23:17,809 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \result) && (((tmp == systemActive && \result == systemActive) && 0 == splverifierCounter) && 1 == tmp) && 1 == methaneLevelCritical) && !(0 == tmp___0)) && 0 == \result) && 1 <= waterLevel) && ((0 == waterLevel && 1 == tmp) || (!(0 == waterLevel) && 0 == tmp))) || (((0 == \result && (!(0 == \result) && (((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 <= waterLevel) && ((0 == waterLevel && 1 == tmp) || (!(0 == waterLevel) && 0 == tmp))) [2019-11-20 02:23:17,810 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= waterLevel && ((0 == \result && !(0 == tmp)) && ((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == tmp___0) || ((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 2 <= waterLevel)) || (1 <= waterLevel && (((((((0 == \result && !(0 == tmp)) && tmp == systemActive) && 0 == tmp___0) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (2 <= waterLevel && ((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-20 02:23:17,812 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (2 <= waterLevel && (((((0 == methaneLevelCritical && tmp == systemActive) && 0 == \result) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-20 02:23:17,812 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (2 <= waterLevel && (((((0 == methaneLevelCritical && tmp == systemActive) && 0 == \result) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (2 <= waterLevel && ((((((tmp == systemActive && 1 == tmp) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-20 02:23:17,905 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4dbc231d-2399-4fe2-b57e-486733f89bf5/bin/uautomizer/witness.graphml [2019-11-20 02:23:17,905 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:23:17,906 INFO L168 Benchmark]: Toolchain (without parser) took 13785.78 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 360.2 MB). Free memory was 944.7 MB in the beginning and 986.0 MB in the end (delta: -41.3 MB). Peak memory consumption was 318.9 MB. Max. memory is 11.5 GB. [2019-11-20 02:23:17,907 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:23:17,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -202.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:23:17,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:23:17,908 INFO L168 Benchmark]: Boogie Preprocessor took 48.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:23:17,908 INFO L168 Benchmark]: RCFGBuilder took 918.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:23:17,908 INFO L168 Benchmark]: TraceAbstraction took 12016.85 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 197.1 MB). Free memory was 1.1 GB in the beginning and 999.1 MB in the end (delta: 70.6 MB). Peak memory consumption was 302.0 MB. Max. memory is 11.5 GB. [2019-11-20 02:23:17,909 INFO L168 Benchmark]: Witness Printer took 157.54 ms. Allocated memory is still 1.4 GB. Free memory was 999.1 MB in the beginning and 986.0 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:23:17,911 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 568.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -202.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 918.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12016.85 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 197.1 MB). Free memory was 1.1 GB in the beginning and 999.1 MB in the end (delta: 70.6 MB). Peak memory consumption was 302.0 MB. Max. memory is 11.5 GB. * Witness Printer took 157.54 ms. Allocated memory is still 1.4 GB. Free memory was 999.1 MB in the beginning and 986.0 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 983]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 983]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 983]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: (2 <= waterLevel && (((((0 == methaneLevelCritical && tmp == systemActive) && 0 == \result) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (2 <= waterLevel && ((((((tmp == systemActive && 1 == tmp) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && \result == systemActive) && 0 == splverifierCounter) && 1 == tmp) && 1 == methaneLevelCritical) && 1 <= waterLevel) && 0 == methAndRunningLastTime) || (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 1 <= waterLevel)) || ((((((tmp == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp) && 1 == methaneLevelCritical) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) || ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= waterLevel)) || ((((((tmp == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp) && 1 == methaneLevelCritical) && 1 <= waterLevel) - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: (((((((((\result == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && \result == 1) && 1 == tmp) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 1 <= waterLevel) || (2 <= waterLevel && ((((tmp == systemActive && \result == systemActive) && 0 == splverifierCounter) && 1 == tmp) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (2 <= waterLevel && (((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter)) || (((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == methAndRunningLastTime) - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: ((((((((0 == methaneLevelCritical && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp) && 1 <= waterLevel) && 0 == methAndRunningLastTime) || ((((((((tmp == 0 && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == \result && (((tmp == systemActive && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel) && 0 == methAndRunningLastTime) - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: (((1 <= waterLevel && ((0 == \result && !(0 == tmp)) && ((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == tmp___0) || ((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 2 <= waterLevel)) || (1 <= waterLevel && (((((((0 == \result && !(0 == tmp)) && tmp == systemActive) && 0 == tmp___0) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (2 <= waterLevel && ((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && \result == 0) && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: ((((((((tmp == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp) && 1 == \result) && 1 == methaneLevelCritical) && 1 <= waterLevel) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && 0 == \result) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= waterLevel)) || (2 <= waterLevel && ((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && 0 == \result) && \result == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp) && 0 == methAndRunningLastTime) || ((((((((tmp == 0 && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == \result && (((tmp == systemActive && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel) && 0 == methAndRunningLastTime) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: (2 <= waterLevel && (((((0 == methaneLevelCritical && tmp == systemActive) && 0 == \result) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 0 == \result) && 1 <= waterLevel) || (((((((tmp == systemActive && \result == systemActive) && 0 == splverifierCounter) && 1 == tmp) && 1 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && 0 == methAndRunningLastTime) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: (((((!(0 == \result) && (((tmp == systemActive && \result == systemActive) && 0 == splverifierCounter) && 1 == tmp) && 1 == methaneLevelCritical) && !(0 == tmp___0)) && 0 == \result) && 1 <= waterLevel) && ((0 == waterLevel && 1 == tmp) || (!(0 == waterLevel) && 0 == tmp))) || (((0 == \result && (!(0 == \result) && (((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 <= waterLevel) && ((0 == waterLevel && 1 == tmp) || (!(0 == waterLevel) && 0 == tmp))) - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: (((((((((0 == methaneLevelCritical && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp) && !(\result == 0)) && 1 <= waterLevel) || (2 <= waterLevel && ((((0 == methaneLevelCritical && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp)) || ((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 2 <= waterLevel)) || (((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 139 locations, 3 error locations. Result: SAFE, OverallTime: 11.9s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.1s, HoareTripleCheckerStatistics: 1699 SDtfs, 2443 SDslu, 2675 SDs, 0 SdLazy, 384 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 207 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 1639 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 174 NumberOfFragments, 1110 HoareAnnotationTreeSize, 55 FomulaSimplifications, 4145237 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 55 FomulaSimplificationsInter, 826675 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 821 NumberOfCodeBlocks, 821 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 804 ConstructedInterpolants, 0 QuantifiedInterpolants, 98689 SizeOfPredicates, 5 NumberOfNonLiveVariables, 988 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 246/290 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...