./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cdc445db-cad4-43df-9aee-7fbd9acaeaa3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cdc445db-cad4-43df-9aee-7fbd9acaeaa3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cdc445db-cad4-43df-9aee-7fbd9acaeaa3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cdc445db-cad4-43df-9aee-7fbd9acaeaa3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cdc445db-cad4-43df-9aee-7fbd9acaeaa3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cdc445db-cad4-43df-9aee-7fbd9acaeaa3/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 f25a9f8800d2b9b6ef21419533be8e4411f52f7f ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:56:54,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:54,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:54,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:54,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:54,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:54,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:54,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:54,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:54,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:54,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:54,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:54,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:54,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:54,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:54,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:54,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:54,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:54,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:54,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:54,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:54,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:54,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:54,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:54,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:54,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:54,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:54,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:54,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:54,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:54,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:54,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:54,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:54,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:54,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:54,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:54,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:54,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:54,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:54,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:54,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:54,968 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cdc445db-cad4-43df-9aee-7fbd9acaeaa3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:56:54,978 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:54,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:54,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:54,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:54,979 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:54,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:54,979 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:54,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:54,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:54,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:54,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:56:54,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:56:54,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:56:54,980 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:54,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:54,981 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:54,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:56:54,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:54,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:54,981 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:56:54,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:56:54,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:56:54,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:54,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:56:54,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:56:54,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:54,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:56:54,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:56:54,983 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/working_dir_cdc445db-cad4-43df-9aee-7fbd9acaeaa3/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 -> f25a9f8800d2b9b6ef21419533be8e4411f52f7f [2019-10-22 08:56:55,015 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:55,026 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:55,028 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:55,030 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:55,030 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:55,030 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cdc445db-cad4-43df-9aee-7fbd9acaeaa3/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2019-10-22 08:56:55,073 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cdc445db-cad4-43df-9aee-7fbd9acaeaa3/bin/uautomizer/data/b52dc40bc/6aceb269d979437c840f72d36cbd680f/FLAG730d937ae [2019-10-22 08:56:55,499 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:55,499 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cdc445db-cad4-43df-9aee-7fbd9acaeaa3/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2019-10-22 08:56:55,526 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cdc445db-cad4-43df-9aee-7fbd9acaeaa3/bin/uautomizer/data/b52dc40bc/6aceb269d979437c840f72d36cbd680f/FLAG730d937ae [2019-10-22 08:56:55,543 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cdc445db-cad4-43df-9aee-7fbd9acaeaa3/bin/uautomizer/data/b52dc40bc/6aceb269d979437c840f72d36cbd680f [2019-10-22 08:56:55,545 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:55,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:55,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:55,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:55,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:55,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:55" (1/1) ... [2019-10-22 08:56:55,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2531b543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:55, skipping insertion in model container [2019-10-22 08:56:55,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:55" (1/1) ... [2019-10-22 08:56:55,560 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:55,601 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:55,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:55,943 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:56,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:56,060 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:56,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:56 WrapperNode [2019-10-22 08:56:56,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:56,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:56,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:56,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:56,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:56" (1/1) ... [2019-10-22 08:56:56,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:56" (1/1) ... [2019-10-22 08:56:56,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:56,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:56,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:56,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:56,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:56" (1/1) ... [2019-10-22 08:56:56,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:56" (1/1) ... [2019-10-22 08:56:56,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:56" (1/1) ... [2019-10-22 08:56:56,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:56" (1/1) ... [2019-10-22 08:56:56,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:56" (1/1) ... [2019-10-22 08:56:56,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:56" (1/1) ... [2019-10-22 08:56:56,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:56" (1/1) ... [2019-10-22 08:56:56,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:56,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:56,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:56,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:56,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cdc445db-cad4-43df-9aee-7fbd9acaeaa3/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 [2019-10-22 08:56:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:56:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:56:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:56,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:56,931 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:56,931 INFO L284 CfgBuilder]: Removed 120 assume(true) statements. [2019-10-22 08:56:56,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:56 BoogieIcfgContainer [2019-10-22 08:56:56,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:56,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:56:56,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:56:56,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:56:56,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:56:55" (1/3) ... [2019-10-22 08:56:56,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@101f8636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:56, skipping insertion in model container [2019-10-22 08:56:56,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:56" (2/3) ... [2019-10-22 08:56:56,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@101f8636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:56, skipping insertion in model container [2019-10-22 08:56:56,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:56" (3/3) ... [2019-10-22 08:56:56,941 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2019-10-22 08:56:56,950 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:56:56,959 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:56:56,968 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:56:56,999 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:56:56,999 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:56:56,999 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:56:56,999 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:57,000 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:57,000 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:56:57,000 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:57,000 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:56:57,021 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2019-10-22 08:56:57,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 08:56:57,030 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:57,030 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:57,032 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:57,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:57,041 INFO L82 PathProgramCache]: Analyzing trace with hash -611333278, now seen corresponding path program 1 times [2019-10-22 08:56:57,048 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:57,049 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180659038] [2019-10-22 08:56:57,049 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:57,050 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:57,050 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:57,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:57,241 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180659038] [2019-10-22 08:56:57,242 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:57,242 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:56:57,242 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597002549] [2019-10-22 08:56:57,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:56:57,245 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:57,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:56:57,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:56:57,256 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 2 states. [2019-10-22 08:56:57,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:57,282 INFO L93 Difference]: Finished difference Result 180 states and 269 transitions. [2019-10-22 08:56:57,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:56:57,284 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 08:56:57,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:57,292 INFO L225 Difference]: With dead ends: 180 [2019-10-22 08:56:57,292 INFO L226 Difference]: Without dead ends: 89 [2019-10-22 08:56:57,295 INFO L600 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 [2019-10-22 08:56:57,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-10-22 08:56:57,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2019-10-22 08:56:57,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-10-22 08:56:57,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2019-10-22 08:56:57,333 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 18 [2019-10-22 08:56:57,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:57,333 INFO L462 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2019-10-22 08:56:57,334 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:56:57,334 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2019-10-22 08:56:57,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:56:57,334 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:57,335 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:57,335 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:57,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:57,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1493643632, now seen corresponding path program 1 times [2019-10-22 08:56:57,336 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:57,336 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677231974] [2019-10-22 08:56:57,336 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:57,336 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:57,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:57,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:57,414 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677231974] [2019-10-22 08:56:57,414 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:57,414 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:57,414 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893559586] [2019-10-22 08:56:57,418 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:57,418 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:57,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:57,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:57,419 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand 3 states. [2019-10-22 08:56:57,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:57,434 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions. [2019-10-22 08:56:57,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:57,435 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 08:56:57,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:57,436 INFO L225 Difference]: With dead ends: 89 [2019-10-22 08:56:57,438 INFO L226 Difference]: Without dead ends: 39 [2019-10-22 08:56:57,439 INFO L600 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 [2019-10-22 08:56:57,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-10-22 08:56:57,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-10-22 08:56:57,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-10-22 08:56:57,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2019-10-22 08:56:57,443 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 19 [2019-10-22 08:56:57,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:57,445 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2019-10-22 08:56:57,445 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:57,445 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2019-10-22 08:56:57,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:56:57,446 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:57,446 INFO L380 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] [2019-10-22 08:56:57,447 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:57,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:57,447 INFO L82 PathProgramCache]: Analyzing trace with hash 590350463, now seen corresponding path program 1 times [2019-10-22 08:56:57,447 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:57,448 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723569140] [2019-10-22 08:56:57,448 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:57,449 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:57,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:57,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:57,561 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723569140] [2019-10-22 08:56:57,562 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:57,562 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:56:57,562 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662571436] [2019-10-22 08:56:57,562 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:57,562 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:57,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:57,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:57,563 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand 3 states. [2019-10-22 08:56:57,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:57,576 INFO L93 Difference]: Finished difference Result 72 states and 104 transitions. [2019-10-22 08:56:57,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:57,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 08:56:57,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:57,578 INFO L225 Difference]: With dead ends: 72 [2019-10-22 08:56:57,579 INFO L226 Difference]: Without dead ends: 39 [2019-10-22 08:56:57,579 INFO L600 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 [2019-10-22 08:56:57,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-10-22 08:56:57,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-10-22 08:56:57,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-10-22 08:56:57,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2019-10-22 08:56:57,583 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 24 [2019-10-22 08:56:57,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:57,586 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2019-10-22 08:56:57,586 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:57,586 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2019-10-22 08:56:57,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 08:56:57,587 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:57,587 INFO L380 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] [2019-10-22 08:56:57,587 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:57,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:57,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1748150010, now seen corresponding path program 1 times [2019-10-22 08:56:57,588 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:57,588 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965027509] [2019-10-22 08:56:57,588 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:57,588 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:57,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:57,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:57,666 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965027509] [2019-10-22 08:56:57,666 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:57,667 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:56:57,667 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297820059] [2019-10-22 08:56:57,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:57,667 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:57,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:57,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:57,668 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 3 states. [2019-10-22 08:56:57,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:57,709 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2019-10-22 08:56:57,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:57,709 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-22 08:56:57,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:57,710 INFO L225 Difference]: With dead ends: 95 [2019-10-22 08:56:57,710 INFO L226 Difference]: Without dead ends: 62 [2019-10-22 08:56:57,710 INFO L600 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 [2019-10-22 08:56:57,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-10-22 08:56:57,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2019-10-22 08:56:57,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-10-22 08:56:57,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2019-10-22 08:56:57,721 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 25 [2019-10-22 08:56:57,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:57,722 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2019-10-22 08:56:57,722 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:57,722 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2019-10-22 08:56:57,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 08:56:57,722 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:57,722 INFO L380 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] [2019-10-22 08:56:57,722 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:57,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:57,723 INFO L82 PathProgramCache]: Analyzing trace with hash 787955310, now seen corresponding path program 1 times [2019-10-22 08:56:57,723 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:57,723 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305216103] [2019-10-22 08:56:57,723 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:57,723 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:57,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:57,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:57,821 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305216103] [2019-10-22 08:56:57,821 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:57,821 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:56:57,821 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997753783] [2019-10-22 08:56:57,822 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:56:57,822 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:57,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:56:57,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:56:57,822 INFO L87 Difference]: Start difference. First operand 60 states and 84 transitions. Second operand 5 states. [2019-10-22 08:56:57,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:57,960 INFO L93 Difference]: Finished difference Result 314 states and 458 transitions. [2019-10-22 08:56:57,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:56:57,962 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-10-22 08:56:57,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:57,963 INFO L225 Difference]: With dead ends: 314 [2019-10-22 08:56:57,963 INFO L226 Difference]: Without dead ends: 260 [2019-10-22 08:56:57,964 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:56:57,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2019-10-22 08:56:57,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2019-10-22 08:56:57,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-22 08:56:57,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 146 transitions. [2019-10-22 08:56:57,982 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 146 transitions. Word has length 31 [2019-10-22 08:56:57,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:57,982 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 146 transitions. [2019-10-22 08:56:57,982 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:56:57,983 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 146 transitions. [2019-10-22 08:56:57,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 08:56:57,984 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:57,984 INFO L380 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] [2019-10-22 08:56:57,984 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:57,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:57,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1324804560, now seen corresponding path program 1 times [2019-10-22 08:56:57,985 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:57,985 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414740821] [2019-10-22 08:56:57,985 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:57,985 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:57,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:58,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:58,044 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414740821] [2019-10-22 08:56:58,044 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:58,044 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:56:58,045 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998387400] [2019-10-22 08:56:58,045 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:56:58,045 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:58,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:56:58,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:56:58,046 INFO L87 Difference]: Start difference. First operand 106 states and 146 transitions. Second operand 5 states. [2019-10-22 08:56:58,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:58,181 INFO L93 Difference]: Finished difference Result 499 states and 716 transitions. [2019-10-22 08:56:58,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:56:58,182 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 08:56:58,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:58,184 INFO L225 Difference]: With dead ends: 499 [2019-10-22 08:56:58,185 INFO L226 Difference]: Without dead ends: 445 [2019-10-22 08:56:58,186 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:56:58,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-10-22 08:56:58,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 152. [2019-10-22 08:56:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-10-22 08:56:58,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 210 transitions. [2019-10-22 08:56:58,223 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 210 transitions. Word has length 32 [2019-10-22 08:56:58,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:58,223 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 210 transitions. [2019-10-22 08:56:58,223 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:56:58,223 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 210 transitions. [2019-10-22 08:56:58,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 08:56:58,224 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:58,224 INFO L380 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] [2019-10-22 08:56:58,225 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:58,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:58,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1959045486, now seen corresponding path program 1 times [2019-10-22 08:56:58,225 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:58,225 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733300812] [2019-10-22 08:56:58,226 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:58,226 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:58,226 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:58,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:58,287 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733300812] [2019-10-22 08:56:58,287 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:58,287 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:56:58,287 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712423979] [2019-10-22 08:56:58,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:56:58,288 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:58,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:56:58,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:56:58,289 INFO L87 Difference]: Start difference. First operand 152 states and 210 transitions. Second operand 4 states. [2019-10-22 08:56:58,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:58,338 INFO L93 Difference]: Finished difference Result 428 states and 599 transitions. [2019-10-22 08:56:58,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:56:58,339 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-10-22 08:56:58,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:58,340 INFO L225 Difference]: With dead ends: 428 [2019-10-22 08:56:58,341 INFO L226 Difference]: Without dead ends: 326 [2019-10-22 08:56:58,341 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:56:58,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2019-10-22 08:56:58,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 152. [2019-10-22 08:56:58,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-10-22 08:56:58,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 209 transitions. [2019-10-22 08:56:58,370 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 209 transitions. Word has length 32 [2019-10-22 08:56:58,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:58,371 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 209 transitions. [2019-10-22 08:56:58,371 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:56:58,371 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 209 transitions. [2019-10-22 08:56:58,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 08:56:58,374 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:58,374 INFO L380 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] [2019-10-22 08:56:58,375 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:58,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:58,375 INFO L82 PathProgramCache]: Analyzing trace with hash -2077756372, now seen corresponding path program 1 times [2019-10-22 08:56:58,375 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:58,375 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178250225] [2019-10-22 08:56:58,376 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:58,376 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:58,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:58,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:58,450 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178250225] [2019-10-22 08:56:58,450 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:58,451 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:56:58,451 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420724648] [2019-10-22 08:56:58,451 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:56:58,451 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:58,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:56:58,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:56:58,452 INFO L87 Difference]: Start difference. First operand 152 states and 209 transitions. Second operand 6 states. [2019-10-22 08:56:58,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:58,541 INFO L93 Difference]: Finished difference Result 532 states and 741 transitions. [2019-10-22 08:56:58,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:56:58,542 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-10-22 08:56:58,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:58,543 INFO L225 Difference]: With dead ends: 532 [2019-10-22 08:56:58,543 INFO L226 Difference]: Without dead ends: 386 [2019-10-22 08:56:58,544 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:56:58,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2019-10-22 08:56:58,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 158. [2019-10-22 08:56:58,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-10-22 08:56:58,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 214 transitions. [2019-10-22 08:56:58,560 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 214 transitions. Word has length 32 [2019-10-22 08:56:58,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:58,560 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 214 transitions. [2019-10-22 08:56:58,560 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:56:58,560 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 214 transitions. [2019-10-22 08:56:58,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 08:56:58,561 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:58,561 INFO L380 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] [2019-10-22 08:56:58,561 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:58,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:58,562 INFO L82 PathProgramCache]: Analyzing trace with hash 662884577, now seen corresponding path program 1 times [2019-10-22 08:56:58,562 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:58,562 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556021247] [2019-10-22 08:56:58,562 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:58,562 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:58,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:58,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:58,683 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556021247] [2019-10-22 08:56:58,684 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:58,685 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:56:58,685 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435435542] [2019-10-22 08:56:58,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:56:58,685 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:58,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:56:58,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:56:58,686 INFO L87 Difference]: Start difference. First operand 158 states and 214 transitions. Second operand 6 states. [2019-10-22 08:56:59,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:59,026 INFO L93 Difference]: Finished difference Result 1169 states and 1572 transitions. [2019-10-22 08:56:59,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-22 08:56:59,027 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-10-22 08:56:59,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:59,030 INFO L225 Difference]: With dead ends: 1169 [2019-10-22 08:56:59,030 INFO L226 Difference]: Without dead ends: 1017 [2019-10-22 08:56:59,031 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-10-22 08:56:59,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2019-10-22 08:56:59,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 296. [2019-10-22 08:56:59,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2019-10-22 08:56:59,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 395 transitions. [2019-10-22 08:56:59,069 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 395 transitions. Word has length 35 [2019-10-22 08:56:59,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:59,069 INFO L462 AbstractCegarLoop]: Abstraction has 296 states and 395 transitions. [2019-10-22 08:56:59,069 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:56:59,069 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 395 transitions. [2019-10-22 08:56:59,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 08:56:59,072 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:59,076 INFO L380 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] [2019-10-22 08:56:59,077 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:59,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:59,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1342942947, now seen corresponding path program 1 times [2019-10-22 08:56:59,077 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:59,077 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837308716] [2019-10-22 08:56:59,077 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:59,077 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:59,078 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:59,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:59,135 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837308716] [2019-10-22 08:56:59,135 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:59,136 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:56:59,136 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392752450] [2019-10-22 08:56:59,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:56:59,136 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:59,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:56:59,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:56:59,137 INFO L87 Difference]: Start difference. First operand 296 states and 395 transitions. Second operand 6 states. [2019-10-22 08:56:59,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:59,307 INFO L93 Difference]: Finished difference Result 771 states and 1042 transitions. [2019-10-22 08:56:59,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:56:59,307 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-10-22 08:56:59,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:59,308 INFO L225 Difference]: With dead ends: 771 [2019-10-22 08:56:59,309 INFO L226 Difference]: Without dead ends: 207 [2019-10-22 08:56:59,309 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2019-10-22 08:56:59,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2019-10-22 08:56:59,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 97. [2019-10-22 08:56:59,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-10-22 08:56:59,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 120 transitions. [2019-10-22 08:56:59,324 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 120 transitions. Word has length 35 [2019-10-22 08:56:59,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:59,324 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 120 transitions. [2019-10-22 08:56:59,324 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:56:59,324 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 120 transitions. [2019-10-22 08:56:59,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 08:56:59,325 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:59,325 INFO L380 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] [2019-10-22 08:56:59,325 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:59,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:59,325 INFO L82 PathProgramCache]: Analyzing trace with hash 384013147, now seen corresponding path program 1 times [2019-10-22 08:56:59,325 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:59,325 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285736068] [2019-10-22 08:56:59,326 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:59,326 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:59,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:59,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:59,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:59,383 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285736068] [2019-10-22 08:56:59,383 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:59,383 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:56:59,384 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681447232] [2019-10-22 08:56:59,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:56:59,384 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:59,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:56:59,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:56:59,384 INFO L87 Difference]: Start difference. First operand 97 states and 120 transitions. Second operand 7 states. [2019-10-22 08:56:59,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:59,574 INFO L93 Difference]: Finished difference Result 281 states and 347 transitions. [2019-10-22 08:56:59,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:56:59,575 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2019-10-22 08:56:59,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:59,575 INFO L225 Difference]: With dead ends: 281 [2019-10-22 08:56:59,575 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:56:59,576 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2019-10-22 08:56:59,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:56:59,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:56:59,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:56:59,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:56:59,576 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2019-10-22 08:56:59,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:59,576 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:59,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:56:59,577 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:56:59,577 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:56:59,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:56:59,894 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 170 [2019-10-22 08:57:00,032 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 138 [2019-10-22 08:57:00,292 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 145 [2019-10-22 08:57:00,433 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 112 [2019-10-22 08:57:00,701 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 158 [2019-10-22 08:57:01,103 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 177 [2019-10-22 08:57:01,472 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 165 [2019-10-22 08:57:02,262 WARN L191 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 44 [2019-10-22 08:57:02,737 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 54 [2019-10-22 08:57:02,990 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 40 [2019-10-22 08:57:03,390 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 29 [2019-10-22 08:57:03,818 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 24 [2019-10-22 08:57:04,558 WARN L191 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 32 [2019-10-22 08:57:04,733 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 43 [2019-10-22 08:57:05,303 WARN L191 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 24 [2019-10-22 08:57:05,485 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 44 [2019-10-22 08:57:05,903 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 24 [2019-10-22 08:57:05,907 INFO L439 ceAbstractionStarter]: At program point L102(lines 102 108) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse0 (and .cse2 (<= ~waterLevel~0 1) .cse3 .cse4))) (or (and .cse0 .cse1) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2) (not (= 0 ULTIMATE.start_processEnvironment_~tmp~0)) (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) .cse1 (and .cse2 .cse3 .cse4) (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))) (and .cse0 (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0)) (and (and (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0) (and .cse2 .cse4)) (not .cse3))))) [2019-10-22 08:57:05,907 INFO L439 ceAbstractionStarter]: At program point L102-1(lines 102 108) the Hoare annotation is: false [2019-10-22 08:57:05,907 INFO L439 ceAbstractionStarter]: At program point L102-2(lines 102 108) the Hoare annotation is: false [2019-10-22 08:57:05,907 INFO L439 ceAbstractionStarter]: At program point L515(lines 511 517) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (<= 0 ~methaneLevelCritical~0)) [2019-10-22 08:57:05,907 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:57:05,907 INFO L439 ceAbstractionStarter]: At program point L317(lines 270 318) the Hoare annotation is: false [2019-10-22 08:57:05,907 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 312) no Hoare annotation was computed. [2019-10-22 08:57:05,907 INFO L439 ceAbstractionStarter]: At program point L450(lines 441 454) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (and .cse6 .cse7 .cse8)) (.cse4 (<= ~methaneLevelCritical~0 0)) (.cse3 (and .cse6 (<= ~waterLevel~0 1) .cse7 .cse8)) (.cse5 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 (and .cse1 .cse2)) (and .cse3 .cse0) (and .cse1 .cse4 .cse2 .cse5) (and .cse4 .cse3 .cse5)))) [2019-10-22 08:57:05,908 INFO L439 ceAbstractionStarter]: At program point L450-1(lines 441 454) the Hoare annotation is: false [2019-10-22 08:57:05,908 INFO L439 ceAbstractionStarter]: At program point L450-2(lines 441 454) the Hoare annotation is: false [2019-10-22 08:57:05,908 INFO L439 ceAbstractionStarter]: At program point L467-2(lines 467 481) the Hoare annotation is: false [2019-10-22 08:57:05,908 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 372) no Hoare annotation was computed. [2019-10-22 08:57:05,908 INFO L443 ceAbstractionStarter]: For program point L368-3(lines 368 372) no Hoare annotation was computed. [2019-10-22 08:57:05,908 INFO L443 ceAbstractionStarter]: For program point L368-6(lines 368 372) no Hoare annotation was computed. [2019-10-22 08:57:05,908 INFO L439 ceAbstractionStarter]: At program point L253(lines 238 256) the Hoare annotation is: (let ((.cse9 (= 1 ~systemActive~0)) (.cse10 (= ~pumpRunning~0 0)) (.cse11 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2)) (.cse2 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse3 (and .cse9 .cse10 .cse11)) (.cse4 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))) (.cse6 (<= ~methaneLevelCritical~0 0)) (.cse7 (<= 0 ~methaneLevelCritical~0)) (.cse5 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse8 (and .cse9 (<= ~waterLevel~0 1) .cse10 .cse11))) (or (and (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse3 .cse4 .cse7) (and .cse8 .cse6 .cse7) (and .cse5 .cse8)))) [2019-10-22 08:57:05,908 INFO L439 ceAbstractionStarter]: At program point L253-1(lines 238 256) the Hoare annotation is: false [2019-10-22 08:57:05,908 INFO L439 ceAbstractionStarter]: At program point L253-2(lines 238 256) the Hoare annotation is: false [2019-10-22 08:57:05,908 INFO L443 ceAbstractionStarter]: For program point L468(line 468) no Hoare annotation was computed. [2019-10-22 08:57:05,909 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 357) no Hoare annotation was computed. [2019-10-22 08:57:05,909 INFO L443 ceAbstractionStarter]: For program point L337-2(lines 337 357) no Hoare annotation was computed. [2019-10-22 08:57:05,909 INFO L443 ceAbstractionStarter]: For program point L337-4(lines 337 357) no Hoare annotation was computed. [2019-10-22 08:57:05,909 INFO L439 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (<= 0 ~methaneLevelCritical~0)) [2019-10-22 08:57:05,909 INFO L439 ceAbstractionStarter]: At program point L189(lines 182 192) the Hoare annotation is: (let ((.cse3 (not (= 0 ULTIMATE.start_processEnvironment_~tmp~0))) (.cse15 (= 1 ~systemActive~0)) (.cse16 (= ~pumpRunning~0 0)) (.cse17 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse2 (<= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse5 (<= ~methaneLevelCritical~0 0)) (.cse6 (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (<= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) (.cse8 (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse11 (<= 0 ~methaneLevelCritical~0)) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2)) (.cse4 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse9 (and .cse15 .cse16 .cse17)) (.cse10 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))) (.cse12 (and (and .cse15 (<= ~waterLevel~0 1) .cse16 .cse17) .cse3)) (.cse13 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse14 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse2 .cse5 .cse6 .cse7 .cse8 .cse12 .cse11) (and .cse1 .cse0 .cse3 .cse4 .cse13 .cse9 .cse14 .cse10) (and .cse12 .cse13 .cse14)))) [2019-10-22 08:57:05,909 INFO L439 ceAbstractionStarter]: At program point L189-1(lines 182 192) the Hoare annotation is: false [2019-10-22 08:57:05,909 INFO L439 ceAbstractionStarter]: At program point L189-2(lines 182 192) the Hoare annotation is: false [2019-10-22 08:57:05,909 INFO L439 ceAbstractionStarter]: At program point L437(lines 432 440) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0) .cse1 (not .cse2)) (and (<= ~methaneLevelCritical~0 0) (and .cse0 (<= ~waterLevel~0 1) (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) .cse2 .cse1) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 0 ~methaneLevelCritical~0)))) [2019-10-22 08:57:05,910 INFO L439 ceAbstractionStarter]: At program point L437-1(lines 432 440) the Hoare annotation is: false [2019-10-22 08:57:05,910 INFO L439 ceAbstractionStarter]: At program point L437-2(lines 432 440) the Hoare annotation is: false [2019-10-22 08:57:05,910 INFO L443 ceAbstractionStarter]: For program point L272(lines 271 316) no Hoare annotation was computed. [2019-10-22 08:57:05,910 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:57:05,910 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2019-10-22 08:57:05,910 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 95 101) no Hoare annotation was computed. [2019-10-22 08:57:05,910 INFO L439 ceAbstractionStarter]: At program point L405(lines 400 408) the Hoare annotation is: (let ((.cse13 (= 1 ~systemActive~0)) (.cse14 (= ~pumpRunning~0 0)) (.cse15 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (not (= 0 ULTIMATE.start_processEnvironment_~tmp~0)))) (let ((.cse3 (and (and .cse13 (<= ~waterLevel~0 1) .cse14 .cse15) .cse7)) (.cse9 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse11 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse6 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2)) (.cse8 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse0 (<= ~methaneLevelCritical~0 0)) (.cse1 (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse10 (and .cse13 .cse14 .cse15)) (.cse12 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))) (.cse4 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse3 .cse9 .cse11) (and .cse5 .cse6 .cse7 .cse8 .cse0 .cse1 .cse2 .cse10 .cse12 .cse4)))) [2019-10-22 08:57:05,910 INFO L439 ceAbstractionStarter]: At program point L405-1(lines 400 408) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse4 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (.cse5 (and .cse1 (<= ~waterLevel~0 1) .cse2 .cse3))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2) (not (= 0 ULTIMATE.start_processEnvironment_~tmp~0)) (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) .cse0 (and .cse1 .cse2 .cse3) .cse4 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))) (and .cse5 .cse0 .cse4) (and .cse1 (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0) .cse3 (not .cse2)) (and (<= ~methaneLevelCritical~0 0) .cse5 (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 0 ~methaneLevelCritical~0))))) [2019-10-22 08:57:05,911 INFO L439 ceAbstractionStarter]: At program point L405-2(lines 400 408) the Hoare annotation is: false [2019-10-22 08:57:05,911 INFO L439 ceAbstractionStarter]: At program point L405-3(lines 400 408) the Hoare annotation is: false [2019-10-22 08:57:05,911 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 277) no Hoare annotation was computed. [2019-10-22 08:57:05,911 INFO L439 ceAbstractionStarter]: At program point L405-4(lines 400 408) the Hoare annotation is: false [2019-10-22 08:57:05,911 INFO L439 ceAbstractionStarter]: At program point L405-5(lines 400 408) the Hoare annotation is: false [2019-10-22 08:57:05,911 INFO L443 ceAbstractionStarter]: For program point L538(lines 538 545) no Hoare annotation was computed. [2019-10-22 08:57:05,911 INFO L446 ceAbstractionStarter]: At program point L538-1(lines 538 545) the Hoare annotation is: true [2019-10-22 08:57:05,912 INFO L443 ceAbstractionStarter]: For program point L307(lines 307 311) no Hoare annotation was computed. [2019-10-22 08:57:05,912 INFO L443 ceAbstractionStarter]: For program point L307-2(lines 95 101) no Hoare annotation was computed. [2019-10-22 08:57:05,912 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 297) no Hoare annotation was computed. [2019-10-22 08:57:05,912 INFO L439 ceAbstractionStarter]: At program point L291-1(lines 291 297) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse3 (and .cse0 .cse2 .cse1))) (or (and (and (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0) (and .cse0 .cse1)) (not .cse2)) (and .cse3 (= ~methaneLevelCritical~0 ~systemActive~0)) (and .cse3 (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))))) [2019-10-22 08:57:05,913 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2019-10-22 08:57:05,913 INFO L443 ceAbstractionStarter]: For program point L127(lines 127 144) no Hoare annotation was computed. [2019-10-22 08:57:05,913 INFO L443 ceAbstractionStarter]: For program point L127-1(lines 127 144) no Hoare annotation was computed. [2019-10-22 08:57:05,913 INFO L443 ceAbstractionStarter]: For program point L127-2(lines 127 144) no Hoare annotation was computed. [2019-10-22 08:57:05,913 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:57:05,913 INFO L443 ceAbstractionStarter]: For program point L392(lines 392 396) no Hoare annotation was computed. [2019-10-22 08:57:05,913 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2019-10-22 08:57:05,913 INFO L439 ceAbstractionStarter]: At program point L95(lines 94 113) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (and .cse1 .cse3 .cse2))) (or (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (and (and (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0) (and .cse1 .cse2)) (not .cse3)) (and .cse0 (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))))) [2019-10-22 08:57:05,913 INFO L443 ceAbstractionStarter]: For program point L95-1(lines 95 101) no Hoare annotation was computed. [2019-10-22 08:57:05,913 INFO L439 ceAbstractionStarter]: At program point L95-2(lines 94 113) the Hoare annotation is: false [2019-10-22 08:57:05,914 INFO L439 ceAbstractionStarter]: At program point L95-3(lines 94 113) the Hoare annotation is: false [2019-10-22 08:57:05,914 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2019-10-22 08:57:05,914 INFO L439 ceAbstractionStarter]: At program point L343-1(lines 1 925) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (and .cse6 (<= ~waterLevel~0 1) .cse7 .cse8)) (.cse4 (<= ~methaneLevelCritical~0 0)) (.cse5 (<= 0 ~methaneLevelCritical~0)) (.cse1 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse2 (not (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4))) (.cse3 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse0 .cse5) (and .cse4 (and .cse6 (and (= 1 ~waterLevel~0) .cse7 .cse8)) .cse5) (and .cse1 .cse2 .cse3 (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2) (not (= 0 ULTIMATE.start_processEnvironment_~tmp~0)) (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (and .cse6 .cse7 .cse8) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)))) (and (and (and .cse6 .cse8) (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0)) (not .cse7))))) [2019-10-22 08:57:05,914 INFO L443 ceAbstractionStarter]: For program point L343-2(lines 343 356) no Hoare annotation was computed. [2019-10-22 08:57:05,914 INFO L439 ceAbstractionStarter]: At program point L343-3(lines 1 925) the Hoare annotation is: false [2019-10-22 08:57:05,914 INFO L443 ceAbstractionStarter]: For program point L343-4(lines 343 356) no Hoare annotation was computed. [2019-10-22 08:57:05,914 INFO L439 ceAbstractionStarter]: At program point L343-5(lines 1 925) the Hoare annotation is: false [2019-10-22 08:57:05,914 INFO L443 ceAbstractionStarter]: For program point L922(line 922) no Hoare annotation was computed. [2019-10-22 08:57:05,914 INFO L443 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2019-10-22 08:57:05,914 INFO L443 ceAbstractionStarter]: For program point L922-2(line 922) no Hoare annotation was computed. [2019-10-22 08:57:05,915 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2019-10-22 08:57:05,915 INFO L443 ceAbstractionStarter]: For program point L164(lines 164 170) no Hoare annotation was computed. [2019-10-22 08:57:05,915 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 139) no Hoare annotation was computed. [2019-10-22 08:57:05,915 INFO L443 ceAbstractionStarter]: For program point L131-1(lines 131 139) no Hoare annotation was computed. [2019-10-22 08:57:05,915 INFO L443 ceAbstractionStarter]: For program point L164-2(lines 164 170) no Hoare annotation was computed. [2019-10-22 08:57:05,915 INFO L439 ceAbstractionStarter]: At program point L65(lines 1 925) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (<= 0 ~methaneLevelCritical~0)) [2019-10-22 08:57:05,915 INFO L443 ceAbstractionStarter]: For program point L131-2(lines 131 139) no Hoare annotation was computed. [2019-10-22 08:57:05,916 INFO L443 ceAbstractionStarter]: For program point L164-4(lines 164 170) no Hoare annotation was computed. [2019-10-22 08:57:05,916 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:57:05,916 INFO L443 ceAbstractionStarter]: For program point L445(lines 445 451) no Hoare annotation was computed. [2019-10-22 08:57:05,916 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 445 451) no Hoare annotation was computed. [2019-10-22 08:57:05,916 INFO L443 ceAbstractionStarter]: For program point L445-2(lines 445 451) no Hoare annotation was computed. [2019-10-22 08:57:05,916 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 251) no Hoare annotation was computed. [2019-10-22 08:57:05,916 INFO L443 ceAbstractionStarter]: For program point L247-2(lines 247 251) no Hoare annotation was computed. [2019-10-22 08:57:05,916 INFO L443 ceAbstractionStarter]: For program point L247-3(lines 247 251) no Hoare annotation was computed. [2019-10-22 08:57:05,917 INFO L443 ceAbstractionStarter]: For program point L247-5(lines 247 251) no Hoare annotation was computed. [2019-10-22 08:57:05,917 INFO L443 ceAbstractionStarter]: For program point L247-6(lines 247 251) no Hoare annotation was computed. [2019-10-22 08:57:05,917 INFO L443 ceAbstractionStarter]: For program point L247-8(lines 247 251) no Hoare annotation was computed. [2019-10-22 08:57:05,917 INFO L439 ceAbstractionStarter]: At program point L198(lines 193 201) the Hoare annotation is: (and (= 1 ~systemActive~0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= ~pumpRunning~0 0))) [2019-10-22 08:57:05,917 INFO L439 ceAbstractionStarter]: At program point L198-1(lines 193 201) the Hoare annotation is: false [2019-10-22 08:57:05,917 INFO L439 ceAbstractionStarter]: At program point L198-2(lines 193 201) the Hoare annotation is: false [2019-10-22 08:57:05,917 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 384) no Hoare annotation was computed. [2019-10-22 08:57:05,918 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2019-10-22 08:57:05,918 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2019-10-22 08:57:05,918 INFO L443 ceAbstractionStarter]: For program point L347-2(lines 347 353) no Hoare annotation was computed. [2019-10-22 08:57:05,918 INFO L439 ceAbstractionStarter]: At program point L281-1(lines 281 287) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (and .cse1 .cse3 .cse2))) (or (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) (not (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4)) (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (and (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0) (and .cse1 .cse2) (not .cse3)) (and .cse0 (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))))) [2019-10-22 08:57:05,918 INFO L443 ceAbstractionStarter]: For program point L347-4(lines 347 353) no Hoare annotation was computed. [2019-10-22 08:57:05,918 INFO L446 ceAbstractionStarter]: At program point L547(lines 528 550) the Hoare annotation is: true [2019-10-22 08:57:05,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:57:05 BoogieIcfgContainer [2019-10-22 08:57:05,943 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:57:05,944 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:05,944 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:05,944 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:05,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:56" (3/4) ... [2019-10-22 08:57:05,947 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:57:05,961 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 08:57:05,961 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 08:57:05,962 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 08:57:05,962 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:57:05,963 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:57:05,963 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:57:05,989 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive) && !(0 == tmp)) && !(0 == \result)) || ((((methaneLevelCritical <= 0 && 0 <= \result) && \result <= 0) && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((methaneLevelCritical <= 0 && 1 == systemActive && (1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((methaneLevelCritical == systemActive && !(0 == tmp)) && !(0 == \result)) && ((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0))) || ((((1 == systemActive && 0 == splverifierCounter) && 0 < tmp + 1) && tmp <= 0) && !(pumpRunning == 0)) [2019-10-22 08:57:05,989 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive) && !(0 == tmp)) && !(0 == \result)) || (((0 < tmp + 1 && tmp <= 0) && 1 == systemActive && 0 == splverifierCounter) && !(pumpRunning == 0))) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) [2019-10-22 08:57:05,990 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive) || (((((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0))) || (((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical)) || (((0 < tmp + 1 && tmp <= 0) && 1 == systemActive && 0 == splverifierCounter) && !(pumpRunning == 0)) [2019-10-22 08:57:05,990 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0)) || (((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive) && !(0 == \result))) || ((((1 == systemActive && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0))) || ((((methaneLevelCritical <= 0 && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= \result) && \result <= 0) && 0 <= methaneLevelCritical) [2019-10-22 08:57:05,991 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == systemActive && \result == 0 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive)) || (((\result == 0 && methaneLevelCritical <= 0) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((methaneLevelCritical <= 0 && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-10-22 08:57:05,991 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((methaneLevelCritical <= 0 && (((1 == systemActive && waterLevel <= 1) && !(\result == 2)) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= \result) && \result <= 0) && 0 <= methaneLevelCritical) [2019-10-22 08:57:05,992 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0 && 0 == tmp) && !(0 == \result)) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && methaneLevelCritical == systemActive) || ((((((\result == 0 && 0 == tmp) && !(0 == \result)) && methaneLevelCritical <= 0) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 <= methaneLevelCritical)) || (((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical)) || (methaneLevelCritical == systemActive && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 08:57:05,992 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && !(\result == 0)) && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0) [2019-10-22 08:57:05,993 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical <= 0 && 0 <= \result) && \result <= 0) && (((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp)) && 0 <= methaneLevelCritical) || (((((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0))) || ((((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp)) && methaneLevelCritical == systemActive) && !(0 == \result))) || (((((((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 <= methaneLevelCritical) [2019-10-22 08:57:05,993 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((0 == tmp && \result == 0) && \result <= 0) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical <= 0) && 0 <= \result) && 0 <= \result) && \result <= 0) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 <= methaneLevelCritical) || ((((((\result <= 0 && methaneLevelCritical <= 0) && 0 <= \result) && 0 <= \result) && \result <= 0) && (((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp)) && 0 <= methaneLevelCritical)) || (((((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0))) || ((((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp)) && methaneLevelCritical == systemActive) && !(0 == \result)) [2019-10-22 08:57:06,035 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cdc445db-cad4-43df-9aee-7fbd9acaeaa3/bin/uautomizer/witness.graphml [2019-10-22 08:57:06,035 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:06,037 INFO L168 Benchmark]: Toolchain (without parser) took 10490.52 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 383.3 MB). Free memory was 941.7 MB in the beginning and 940.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 384.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:06,037 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:06,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 513.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -183.6 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:06,037 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.78 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:06,038 INFO L168 Benchmark]: Boogie Preprocessor took 34.17 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:06,038 INFO L168 Benchmark]: RCFGBuilder took 781.16 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: 65.8 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:06,038 INFO L168 Benchmark]: TraceAbstraction took 9010.12 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 241.2 MB). Free memory was 1.1 GB in the beginning and 954.6 MB in the end (delta: 96.7 MB). Peak memory consumption was 408.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:06,038 INFO L168 Benchmark]: Witness Printer took 91.94 ms. Allocated memory is still 1.4 GB. Free memory was 954.6 MB in the beginning and 940.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:06,040 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 513.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -183.6 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.78 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.17 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 781.16 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: 65.8 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9010.12 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 241.2 MB). Free memory was 1.1 GB in the beginning and 954.6 MB in the end (delta: 96.7 MB). Peak memory consumption was 408.4 MB. Max. memory is 11.5 GB. * Witness Printer took 91.94 ms. Allocated memory is still 1.4 GB. Free memory was 954.6 MB in the beginning and 940.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 922]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 922]: 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: 102]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 <= methaneLevelCritical - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive) || (((((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0))) || (((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical)) || (((0 < tmp + 1 && tmp <= 0) && 1 == systemActive && 0 == splverifierCounter) && !(pumpRunning == 0)) - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive) && !(0 == tmp)) && !(0 == \result)) || ((((methaneLevelCritical <= 0 && 0 <= \result) && \result <= 0) && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((methaneLevelCritical <= 0 && 1 == systemActive && (1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((methaneLevelCritical == systemActive && !(0 == tmp)) && !(0 == \result)) && ((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0))) || ((((1 == systemActive && 0 == splverifierCounter) && 0 < tmp + 1) && tmp <= 0) && !(pumpRunning == 0)) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical <= 0 && 0 <= \result) && \result <= 0) && (((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp)) && 0 <= methaneLevelCritical) || (((((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0))) || ((((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp)) && methaneLevelCritical == systemActive) && !(0 == \result))) || (((((((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 <= methaneLevelCritical) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 <= methaneLevelCritical - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 <= methaneLevelCritical - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive) && !(0 == tmp)) && !(0 == \result)) || (((0 < tmp + 1 && tmp <= 0) && 1 == systemActive && 0 == splverifierCounter) && !(pumpRunning == 0))) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: ((((1 == systemActive && !(\result == 0)) && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == systemActive && \result == 0 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive)) || (((\result == 0 && methaneLevelCritical <= 0) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((methaneLevelCritical <= 0 && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((((((\result == 0 && 0 == tmp) && !(0 == \result)) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && methaneLevelCritical == systemActive) || ((((((\result == 0 && 0 == tmp) && !(0 == \result)) && methaneLevelCritical <= 0) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 <= methaneLevelCritical)) || (((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical)) || (methaneLevelCritical == systemActive && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((((((((((((0 == tmp && \result == 0) && \result <= 0) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical <= 0) && 0 <= \result) && 0 <= \result) && \result <= 0) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 <= methaneLevelCritical) || ((((((\result <= 0 && methaneLevelCritical <= 0) && 0 <= \result) && 0 <= \result) && \result <= 0) && (((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp)) && 0 <= methaneLevelCritical)) || (((((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0))) || ((((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp)) && methaneLevelCritical == systemActive) && !(0 == \result)) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((methaneLevelCritical <= 0 && (((1 == systemActive && waterLevel <= 1) && !(\result == 2)) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= \result) && \result <= 0) && 0 <= methaneLevelCritical) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive) || (((0 < tmp + 1 && tmp <= 0) && 1 == systemActive && 0 == splverifierCounter) && !(pumpRunning == 0))) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: (((((((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0)) || (((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive) && !(0 == \result))) || ((((1 == systemActive && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0))) || ((((methaneLevelCritical <= 0 && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= \result) && \result <= 0) && 0 <= methaneLevelCritical) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: ((((0 < tmp + 1 && tmp <= 0) && 1 == systemActive && 0 == splverifierCounter) && !(pumpRunning == 0)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive)) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 93 locations, 3 error locations. Result: SAFE, OverallTime: 8.9s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.3s, HoareTripleCheckerStatistics: 1031 SDtfs, 1551 SDslu, 1974 SDs, 0 SdLazy, 287 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=296occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 1682 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 216 NumberOfFragments, 1100 HoareAnnotationTreeSize, 39 FomulaSimplifications, 894334 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 39 FomulaSimplificationsInter, 219454 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 23994 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 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...