./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a737dc91-82f2-4acb-b029-ee3cdec6cfc2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a737dc91-82f2-4acb-b029-ee3cdec6cfc2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a737dc91-82f2-4acb-b029-ee3cdec6cfc2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a737dc91-82f2-4acb-b029-ee3cdec6cfc2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a737dc91-82f2-4acb-b029-ee3cdec6cfc2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a737dc91-82f2-4acb-b029-ee3cdec6cfc2/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 b6539c3f80a02f7679497281344dc3da1a82da6c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:57:53,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:57:53,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:57:53,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:57:53,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:57:53,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:57:53,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:57:53,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:57:53,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:57:53,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:57:53,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:57:53,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:57:53,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:57:53,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:57:53,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:57:53,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:57:53,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:57:53,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:57:53,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:57:53,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:57:53,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:57:53,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:57:53,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:57:53,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:57:53,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:57:53,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:57:53,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:57:53,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:57:53,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:57:53,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:57:53,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:57:53,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:57:53,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:57:53,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:57:53,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:57:53,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:57:53,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:57:53,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:57:53,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:57:53,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:57:53,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:57:53,092 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a737dc91-82f2-4acb-b029-ee3cdec6cfc2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:57:53,115 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:57:53,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:57:53,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:57:53,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:57:53,119 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:57:53,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:57:53,120 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:57:53,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:57:53,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:57:53,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:57:53,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:57:53,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:57:53,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:57:53,121 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:57:53,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:57:53,122 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:57:53,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:57:53,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:57:53,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:57:53,122 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:57:53,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:57:53,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:57:53,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:57:53,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:57:53,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:57:53,123 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:57:53,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:57:53,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:57:53,124 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a737dc91-82f2-4acb-b029-ee3cdec6cfc2/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 -> b6539c3f80a02f7679497281344dc3da1a82da6c [2019-11-25 08:57:53,263 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:57:53,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:57:53,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:57:53,288 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:57:53,288 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:57:53,289 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a737dc91-82f2-4acb-b029-ee3cdec6cfc2/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2019-11-25 08:57:53,336 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a737dc91-82f2-4acb-b029-ee3cdec6cfc2/bin/uautomizer/data/453a4a052/481fd27e068a47f790bc8d43253e53b3/FLAG72aac4102 [2019-11-25 08:57:53,841 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:57:53,841 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a737dc91-82f2-4acb-b029-ee3cdec6cfc2/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2019-11-25 08:57:53,856 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a737dc91-82f2-4acb-b029-ee3cdec6cfc2/bin/uautomizer/data/453a4a052/481fd27e068a47f790bc8d43253e53b3/FLAG72aac4102 [2019-11-25 08:57:54,356 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a737dc91-82f2-4acb-b029-ee3cdec6cfc2/bin/uautomizer/data/453a4a052/481fd27e068a47f790bc8d43253e53b3 [2019-11-25 08:57:54,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:57:54,360 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:57:54,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:57:54,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:57:54,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:57:54,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:57:54" (1/1) ... [2019-11-25 08:57:54,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a424f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:54, skipping insertion in model container [2019-11-25 08:57:54,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:57:54" (1/1) ... [2019-11-25 08:57:54,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:57:54,416 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:57:54,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:57:54,728 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:57:54,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:57:54,884 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:57:54,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:54 WrapperNode [2019-11-25 08:57:54,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:57:54,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:57:54,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:57:54,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:57:54,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:54" (1/1) ... [2019-11-25 08:57:54,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:54" (1/1) ... [2019-11-25 08:57:54,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:57:54,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:57:54,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:57:54,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:57:54,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:54" (1/1) ... [2019-11-25 08:57:54,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:54" (1/1) ... [2019-11-25 08:57:54,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:54" (1/1) ... [2019-11-25 08:57:54,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:54" (1/1) ... [2019-11-25 08:57:54,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:54" (1/1) ... [2019-11-25 08:57:54,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:54" (1/1) ... [2019-11-25 08:57:54,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:54" (1/1) ... [2019-11-25 08:57:54,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:57:55,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:57:55,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:57:55,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:57:55,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a737dc91-82f2-4acb-b029-ee3cdec6cfc2/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:57:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:57:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:57:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:57:55,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:57:55,855 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:57:55,856 INFO L284 CfgBuilder]: Removed 196 assume(true) statements. [2019-11-25 08:57:55,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:55 BoogieIcfgContainer [2019-11-25 08:57:55,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:57:55,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:57:55,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:57:55,861 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:57:55,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:57:54" (1/3) ... [2019-11-25 08:57:55,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54fc691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:57:55, skipping insertion in model container [2019-11-25 08:57:55,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:54" (2/3) ... [2019-11-25 08:57:55,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54fc691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:57:55, skipping insertion in model container [2019-11-25 08:57:55,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:55" (3/3) ... [2019-11-25 08:57:55,873 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58.cil.c [2019-11-25 08:57:55,882 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:57:55,896 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-25 08:57:55,906 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-25 08:57:55,935 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:57:55,935 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:57:55,935 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:57:55,935 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:57:55,936 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:57:55,936 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:57:55,936 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:57:55,936 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:57:55,962 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2019-11-25 08:57:55,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-25 08:57:55,971 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:57:55,972 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:55,972 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:57:55,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:55,977 INFO L82 PathProgramCache]: Analyzing trace with hash -203441980, now seen corresponding path program 1 times [2019-11-25 08:57:55,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:55,987 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592353892] [2019-11-25 08:57:55,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:56,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:56,224 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592353892] [2019-11-25 08:57:56,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:57:56,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:57:56,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107444167] [2019-11-25 08:57:56,230 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:57:56,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:57:56,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:57:56,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:57:56,245 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2019-11-25 08:57:56,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:57:56,279 INFO L93 Difference]: Finished difference Result 271 states and 408 transitions. [2019-11-25 08:57:56,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:57:56,281 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-25 08:57:56,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:57:56,291 INFO L225 Difference]: With dead ends: 271 [2019-11-25 08:57:56,292 INFO L226 Difference]: Without dead ends: 135 [2019-11-25 08:57:56,295 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:57:56,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-11-25 08:57:56,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2019-11-25 08:57:56,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-11-25 08:57:56,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2019-11-25 08:57:56,348 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 18 [2019-11-25 08:57:56,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:57:56,348 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2019-11-25 08:57:56,348 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:57:56,348 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2019-11-25 08:57:56,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-25 08:57:56,349 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:57:56,350 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:56,350 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:57:56,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:56,350 INFO L82 PathProgramCache]: Analyzing trace with hash -422277949, now seen corresponding path program 1 times [2019-11-25 08:57:56,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:56,351 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692774853] [2019-11-25 08:57:56,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:56,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:56,481 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692774853] [2019-11-25 08:57:56,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:57:56,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:57:56,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967733150] [2019-11-25 08:57:56,483 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:57:56,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:57:56,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:57:56,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:57:56,484 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand 3 states. [2019-11-25 08:57:56,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:57:56,497 INFO L93 Difference]: Finished difference Result 135 states and 196 transitions. [2019-11-25 08:57:56,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:57:56,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-25 08:57:56,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:57:56,499 INFO L225 Difference]: With dead ends: 135 [2019-11-25 08:57:56,499 INFO L226 Difference]: Without dead ends: 55 [2019-11-25 08:57:56,500 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:57:56,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-25 08:57:56,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-25 08:57:56,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-25 08:57:56,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-11-25 08:57:56,507 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2019-11-25 08:57:56,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:57:56,508 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-11-25 08:57:56,508 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:57:56,508 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-11-25 08:57:56,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-25 08:57:56,509 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:57:56,510 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:56,510 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:57:56,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:56,510 INFO L82 PathProgramCache]: Analyzing trace with hash -622955081, now seen corresponding path program 1 times [2019-11-25 08:57:56,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:56,511 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282506854] [2019-11-25 08:57:56,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:56,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:56,607 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282506854] [2019-11-25 08:57:56,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:57:56,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:57:56,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373636825] [2019-11-25 08:57:56,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:57:56,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:57:56,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:57:56,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:57:56,609 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 5 states. [2019-11-25 08:57:56,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:57:56,680 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2019-11-25 08:57:56,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:57:56,682 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-25 08:57:56,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:57:56,683 INFO L225 Difference]: With dead ends: 103 [2019-11-25 08:57:56,683 INFO L226 Difference]: Without dead ends: 55 [2019-11-25 08:57:56,684 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:57:56,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-25 08:57:56,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-25 08:57:56,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-25 08:57:56,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2019-11-25 08:57:56,698 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2019-11-25 08:57:56,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:57:56,698 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2019-11-25 08:57:56,699 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:57:56,700 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2019-11-25 08:57:56,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-25 08:57:56,702 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:57:56,702 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:56,702 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:57:56,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:56,703 INFO L82 PathProgramCache]: Analyzing trace with hash -543801984, now seen corresponding path program 1 times [2019-11-25 08:57:56,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:56,703 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482643480] [2019-11-25 08:57:56,704 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:56,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:56,785 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482643480] [2019-11-25 08:57:56,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:57:56,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:57:56,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294316871] [2019-11-25 08:57:56,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:57:56,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:57:56,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:57:56,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:57:56,787 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2019-11-25 08:57:56,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:57:56,816 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2019-11-25 08:57:56,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:57:56,817 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-25 08:57:56,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:57:56,818 INFO L225 Difference]: With dead ends: 125 [2019-11-25 08:57:56,818 INFO L226 Difference]: Without dead ends: 77 [2019-11-25 08:57:56,819 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:57:56,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-11-25 08:57:56,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2019-11-25 08:57:56,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-25 08:57:56,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2019-11-25 08:57:56,828 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 26 [2019-11-25 08:57:56,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:57:56,829 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2019-11-25 08:57:56,829 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:57:56,829 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2019-11-25 08:57:56,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-25 08:57:56,830 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:57:56,831 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:56,831 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:57:56,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:56,831 INFO L82 PathProgramCache]: Analyzing trace with hash 433721006, now seen corresponding path program 1 times [2019-11-25 08:57:56,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:56,832 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401518348] [2019-11-25 08:57:56,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:56,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:56,889 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401518348] [2019-11-25 08:57:56,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:57:56,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:57:56,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405591297] [2019-11-25 08:57:56,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:57:56,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:57:56,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:57:56,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:57:56,891 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2019-11-25 08:57:56,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:57:56,930 INFO L93 Difference]: Finished difference Result 194 states and 279 transitions. [2019-11-25 08:57:56,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:57:56,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-11-25 08:57:56,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:57:56,933 INFO L225 Difference]: With dead ends: 194 [2019-11-25 08:57:56,933 INFO L226 Difference]: Without dead ends: 126 [2019-11-25 08:57:56,934 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:57:56,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-11-25 08:57:56,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2019-11-25 08:57:56,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-25 08:57:56,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2019-11-25 08:57:56,955 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 32 [2019-11-25 08:57:56,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:57:56,955 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2019-11-25 08:57:56,955 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:57:56,955 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2019-11-25 08:57:56,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-25 08:57:56,960 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:57:56,961 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:56,961 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:57:56,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:56,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1020527020, now seen corresponding path program 1 times [2019-11-25 08:57:56,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:56,962 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074741068] [2019-11-25 08:57:56,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:57,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:57,056 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074741068] [2019-11-25 08:57:57,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:57:57,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:57:57,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465374834] [2019-11-25 08:57:57,057 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:57:57,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:57:57,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:57:57,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:57:57,058 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 5 states. [2019-11-25 08:57:57,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:57:57,209 INFO L93 Difference]: Finished difference Result 622 states and 885 transitions. [2019-11-25 08:57:57,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:57:57,209 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-25 08:57:57,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:57:57,212 INFO L225 Difference]: With dead ends: 622 [2019-11-25 08:57:57,212 INFO L226 Difference]: Without dead ends: 505 [2019-11-25 08:57:57,214 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:57:57,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2019-11-25 08:57:57,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 227. [2019-11-25 08:57:57,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2019-11-25 08:57:57,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 314 transitions. [2019-11-25 08:57:57,247 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 314 transitions. Word has length 32 [2019-11-25 08:57:57,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:57:57,248 INFO L462 AbstractCegarLoop]: Abstraction has 227 states and 314 transitions. [2019-11-25 08:57:57,248 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:57:57,248 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 314 transitions. [2019-11-25 08:57:57,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:57:57,250 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:57:57,250 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:57,250 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:57:57,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:57,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1020370484, now seen corresponding path program 1 times [2019-11-25 08:57:57,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:57,251 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614711558] [2019-11-25 08:57:57,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:57,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:57,322 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614711558] [2019-11-25 08:57:57,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:57:57,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:57:57,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814979592] [2019-11-25 08:57:57,323 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:57:57,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:57:57,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:57:57,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:57:57,324 INFO L87 Difference]: Start difference. First operand 227 states and 314 transitions. Second operand 5 states. [2019-11-25 08:57:57,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:57:57,522 INFO L93 Difference]: Finished difference Result 865 states and 1197 transitions. [2019-11-25 08:57:57,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 08:57:57,523 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-25 08:57:57,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:57:57,527 INFO L225 Difference]: With dead ends: 865 [2019-11-25 08:57:57,527 INFO L226 Difference]: Without dead ends: 645 [2019-11-25 08:57:57,528 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:57:57,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2019-11-25 08:57:57,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 225. [2019-11-25 08:57:57,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-11-25 08:57:57,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 308 transitions. [2019-11-25 08:57:57,551 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 308 transitions. Word has length 33 [2019-11-25 08:57:57,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:57:57,551 INFO L462 AbstractCegarLoop]: Abstraction has 225 states and 308 transitions. [2019-11-25 08:57:57,551 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:57:57,551 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 308 transitions. [2019-11-25 08:57:57,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-25 08:57:57,552 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:57:57,553 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:57,553 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:57:57,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:57,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1031669644, now seen corresponding path program 1 times [2019-11-25 08:57:57,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:57,554 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056553480] [2019-11-25 08:57:57,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:57,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:57,611 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056553480] [2019-11-25 08:57:57,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:57:57,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:57:57,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631171957] [2019-11-25 08:57:57,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:57:57,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:57:57,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:57:57,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:57:57,613 INFO L87 Difference]: Start difference. First operand 225 states and 308 transitions. Second operand 5 states. [2019-11-25 08:57:57,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:57:57,715 INFO L93 Difference]: Finished difference Result 609 states and 825 transitions. [2019-11-25 08:57:57,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:57:57,716 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-25 08:57:57,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:57:57,718 INFO L225 Difference]: With dead ends: 609 [2019-11-25 08:57:57,718 INFO L226 Difference]: Without dead ends: 391 [2019-11-25 08:57:57,719 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:57:57,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2019-11-25 08:57:57,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 243. [2019-11-25 08:57:57,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2019-11-25 08:57:57,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 326 transitions. [2019-11-25 08:57:57,741 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 326 transitions. Word has length 36 [2019-11-25 08:57:57,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:57:57,741 INFO L462 AbstractCegarLoop]: Abstraction has 243 states and 326 transitions. [2019-11-25 08:57:57,741 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:57:57,742 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2019-11-25 08:57:57,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-25 08:57:57,743 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:57:57,743 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:57,744 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:57:57,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:57,744 INFO L82 PathProgramCache]: Analyzing trace with hash 20552394, now seen corresponding path program 1 times [2019-11-25 08:57:57,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:57,745 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284037964] [2019-11-25 08:57:57,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:57,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:57,811 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284037964] [2019-11-25 08:57:57,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:57:57,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:57:57,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419462002] [2019-11-25 08:57:57,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:57:57,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:57:57,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:57:57,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:57:57,813 INFO L87 Difference]: Start difference. First operand 243 states and 326 transitions. Second operand 4 states. [2019-11-25 08:57:57,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:57:57,871 INFO L93 Difference]: Finished difference Result 512 states and 682 transitions. [2019-11-25 08:57:57,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:57:57,873 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2019-11-25 08:57:57,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:57:57,874 INFO L225 Difference]: With dead ends: 512 [2019-11-25 08:57:57,875 INFO L226 Difference]: Without dead ends: 276 [2019-11-25 08:57:57,875 INFO L630 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 [2019-11-25 08:57:57,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2019-11-25 08:57:57,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 204. [2019-11-25 08:57:57,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-11-25 08:57:57,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 267 transitions. [2019-11-25 08:57:57,896 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 267 transitions. Word has length 36 [2019-11-25 08:57:57,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:57:57,898 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 267 transitions. [2019-11-25 08:57:57,898 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:57:57,898 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 267 transitions. [2019-11-25 08:57:57,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-25 08:57:57,899 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:57:57,899 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:57,900 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:57:57,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:57,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1819972552, now seen corresponding path program 1 times [2019-11-25 08:57:57,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:57,901 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691779954] [2019-11-25 08:57:57,901 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:57,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:57,965 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691779954] [2019-11-25 08:57:57,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:57:57,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:57:57,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959896145] [2019-11-25 08:57:57,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:57:57,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:57:57,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:57:57,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:57:57,967 INFO L87 Difference]: Start difference. First operand 204 states and 267 transitions. Second operand 6 states. [2019-11-25 08:57:58,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:57:58,195 INFO L93 Difference]: Finished difference Result 615 states and 805 transitions. [2019-11-25 08:57:58,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-25 08:57:58,196 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-11-25 08:57:58,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:57:58,198 INFO L225 Difference]: With dead ends: 615 [2019-11-25 08:57:58,199 INFO L226 Difference]: Without dead ends: 418 [2019-11-25 08:57:58,199 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-25 08:57:58,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2019-11-25 08:57:58,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 204. [2019-11-25 08:57:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-11-25 08:57:58,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 262 transitions. [2019-11-25 08:57:58,226 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 262 transitions. Word has length 37 [2019-11-25 08:57:58,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:57:58,226 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 262 transitions. [2019-11-25 08:57:58,227 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:57:58,227 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 262 transitions. [2019-11-25 08:57:58,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-25 08:57:58,229 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:57:58,229 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:58,229 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:57:58,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:58,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1973086569, now seen corresponding path program 1 times [2019-11-25 08:57:58,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:58,230 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409671773] [2019-11-25 08:57:58,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:58,308 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-25 08:57:58,309 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409671773] [2019-11-25 08:57:58,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:57:58,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:57:58,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88084957] [2019-11-25 08:57:58,309 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 08:57:58,310 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:57:58,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:57:58,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:57:58,310 INFO L87 Difference]: Start difference. First operand 204 states and 262 transitions. Second operand 7 states. [2019-11-25 08:57:58,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:57:58,435 INFO L93 Difference]: Finished difference Result 516 states and 678 transitions. [2019-11-25 08:57:58,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:57:58,436 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-11-25 08:57:58,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:57:58,438 INFO L225 Difference]: With dead ends: 516 [2019-11-25 08:57:58,438 INFO L226 Difference]: Without dead ends: 369 [2019-11-25 08:57:58,439 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-25 08:57:58,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-11-25 08:57:58,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 210. [2019-11-25 08:57:58,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-11-25 08:57:58,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 268 transitions. [2019-11-25 08:57:58,463 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 268 transitions. Word has length 58 [2019-11-25 08:57:58,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:57:58,464 INFO L462 AbstractCegarLoop]: Abstraction has 210 states and 268 transitions. [2019-11-25 08:57:58,464 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 08:57:58,465 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 268 transitions. [2019-11-25 08:57:58,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-25 08:57:58,465 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:57:58,466 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:58,466 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:57:58,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:58,466 INFO L82 PathProgramCache]: Analyzing trace with hash 2063715289, now seen corresponding path program 1 times [2019-11-25 08:57:58,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:58,467 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668886026] [2019-11-25 08:57:58,467 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:58,520 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:58,520 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668886026] [2019-11-25 08:57:58,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:57:58,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:57:58,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166899082] [2019-11-25 08:57:58,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:57:58,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:57:58,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:57:58,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:57:58,522 INFO L87 Difference]: Start difference. First operand 210 states and 268 transitions. Second operand 3 states. [2019-11-25 08:57:58,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:57:58,571 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2019-11-25 08:57:58,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:57:58,571 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-25 08:57:58,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:57:58,573 INFO L225 Difference]: With dead ends: 331 [2019-11-25 08:57:58,574 INFO L226 Difference]: Without dead ends: 329 [2019-11-25 08:57:58,574 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:57:58,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2019-11-25 08:57:58,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 236. [2019-11-25 08:57:58,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-11-25 08:57:58,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 307 transitions. [2019-11-25 08:57:58,597 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 307 transitions. Word has length 58 [2019-11-25 08:57:58,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:57:58,598 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 307 transitions. [2019-11-25 08:57:58,598 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:57:58,598 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 307 transitions. [2019-11-25 08:57:58,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-25 08:57:58,599 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:57:58,599 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:58,600 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:57:58,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:58,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1544417178, now seen corresponding path program 1 times [2019-11-25 08:57:58,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:58,601 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157913055] [2019-11-25 08:57:58,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:58,779 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-25 08:57:58,779 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157913055] [2019-11-25 08:57:58,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:57:58,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:57:58,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652074824] [2019-11-25 08:57:58,780 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:57:58,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:57:58,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:57:58,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:57:58,781 INFO L87 Difference]: Start difference. First operand 236 states and 307 transitions. Second operand 5 states. [2019-11-25 08:57:58,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:57:58,971 INFO L93 Difference]: Finished difference Result 589 states and 784 transitions. [2019-11-25 08:57:58,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:57:58,972 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-11-25 08:57:58,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:57:58,974 INFO L225 Difference]: With dead ends: 589 [2019-11-25 08:57:58,974 INFO L226 Difference]: Without dead ends: 410 [2019-11-25 08:57:58,975 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:57:58,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2019-11-25 08:57:59,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 269. [2019-11-25 08:57:59,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2019-11-25 08:57:59,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 350 transitions. [2019-11-25 08:57:59,004 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 350 transitions. Word has length 82 [2019-11-25 08:57:59,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:57:59,004 INFO L462 AbstractCegarLoop]: Abstraction has 269 states and 350 transitions. [2019-11-25 08:57:59,004 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:57:59,004 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 350 transitions. [2019-11-25 08:57:59,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-25 08:57:59,005 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:57:59,006 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:59,006 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:57:59,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:59,006 INFO L82 PathProgramCache]: Analyzing trace with hash 523348824, now seen corresponding path program 1 times [2019-11-25 08:57:59,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:59,007 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635605212] [2019-11-25 08:57:59,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:59,064 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:59,064 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635605212] [2019-11-25 08:57:59,064 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845611916] [2019-11-25 08:57:59,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a737dc91-82f2-4acb-b029-ee3cdec6cfc2/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:57:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:59,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-25 08:57:59,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:57:59,248 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:59,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:57:59,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-11-25 08:57:59,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006103291] [2019-11-25 08:57:59,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:57:59,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:57:59,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:57:59,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:57:59,250 INFO L87 Difference]: Start difference. First operand 269 states and 350 transitions. Second operand 4 states. [2019-11-25 08:57:59,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:57:59,348 INFO L93 Difference]: Finished difference Result 559 states and 728 transitions. [2019-11-25 08:57:59,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:57:59,349 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2019-11-25 08:57:59,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:57:59,351 INFO L225 Difference]: With dead ends: 559 [2019-11-25 08:57:59,351 INFO L226 Difference]: Without dead ends: 294 [2019-11-25 08:57:59,352 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:57:59,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-11-25 08:57:59,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 274. [2019-11-25 08:57:59,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2019-11-25 08:57:59,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 342 transitions. [2019-11-25 08:57:59,394 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 342 transitions. Word has length 82 [2019-11-25 08:57:59,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:57:59,395 INFO L462 AbstractCegarLoop]: Abstraction has 274 states and 342 transitions. [2019-11-25 08:57:59,395 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:57:59,395 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 342 transitions. [2019-11-25 08:57:59,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-25 08:57:59,396 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:57:59,396 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:59,601 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:57:59,601 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:57:59,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:59,601 INFO L82 PathProgramCache]: Analyzing trace with hash 60063416, now seen corresponding path program 2 times [2019-11-25 08:57:59,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:59,602 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334194946] [2019-11-25 08:57:59,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:59,720 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-25 08:57:59,720 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334194946] [2019-11-25 08:57:59,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:57:59,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:57:59,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080481061] [2019-11-25 08:57:59,721 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:57:59,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:57:59,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:57:59,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:57:59,722 INFO L87 Difference]: Start difference. First operand 274 states and 342 transitions. Second operand 6 states. [2019-11-25 08:57:59,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:57:59,947 INFO L93 Difference]: Finished difference Result 630 states and 789 transitions. [2019-11-25 08:57:59,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:57:59,947 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-11-25 08:57:59,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:57:59,948 INFO L225 Difference]: With dead ends: 630 [2019-11-25 08:57:59,948 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:57:59,949 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:57:59,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:57:59,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:57:59,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:57:59,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:57:59,950 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2019-11-25 08:57:59,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:57:59,950 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:57:59,950 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:57:59,950 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:57:59,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:57:59,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:58:00,442 WARN L192 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 149 [2019-11-25 08:58:00,651 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 127 [2019-11-25 08:58:00,798 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 103 [2019-11-25 08:58:01,009 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 129 [2019-11-25 08:58:01,215 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 118 [2019-11-25 08:58:01,512 WARN L192 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 123 [2019-11-25 08:58:01,770 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 123 [2019-11-25 08:58:02,100 WARN L192 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 137 [2019-11-25 08:58:02,235 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 132 [2019-11-25 08:58:02,445 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 27 [2019-11-25 08:58:03,287 WARN L192 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 29 [2019-11-25 08:58:03,416 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2019-11-25 08:58:03,841 WARN L192 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 35 [2019-11-25 08:58:04,277 WARN L192 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 31 [2019-11-25 08:58:04,912 WARN L192 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 34 [2019-11-25 08:58:05,422 WARN L192 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 31 [2019-11-25 08:58:05,558 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2019-11-25 08:58:06,029 WARN L192 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 34 [2019-11-25 08:58:06,482 WARN L192 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 34 [2019-11-25 08:58:06,618 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2019-11-25 08:58:07,112 WARN L192 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 28 [2019-11-25 08:58:07,483 WARN L192 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 36 [2019-11-25 08:58:07,501 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2019-11-25 08:58:07,501 INFO L444 ceAbstractionStarter]: For program point L531(lines 530 577) no Hoare annotation was computed. [2019-11-25 08:58:07,501 INFO L444 ceAbstractionStarter]: For program point L994(line 994) no Hoare annotation was computed. [2019-11-25 08:58:07,501 INFO L444 ceAbstractionStarter]: For program point L994-1(line 994) no Hoare annotation was computed. [2019-11-25 08:58:07,501 INFO L444 ceAbstractionStarter]: For program point L994-2(line 994) no Hoare annotation was computed. [2019-11-25 08:58:07,501 INFO L444 ceAbstractionStarter]: For program point L796(lines 796 800) no Hoare annotation was computed. [2019-11-25 08:58:07,501 INFO L444 ceAbstractionStarter]: For program point L796-2(lines 796 800) no Hoare annotation was computed. [2019-11-25 08:58:07,501 INFO L444 ceAbstractionStarter]: For program point L796-3(lines 796 800) no Hoare annotation was computed. [2019-11-25 08:58:07,502 INFO L444 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2019-11-25 08:58:07,502 INFO L444 ceAbstractionStarter]: For program point L796-5(lines 796 800) no Hoare annotation was computed. [2019-11-25 08:58:07,502 INFO L444 ceAbstractionStarter]: For program point L631-1(lines 631 648) no Hoare annotation was computed. [2019-11-25 08:58:07,502 INFO L444 ceAbstractionStarter]: For program point L796-6(lines 796 800) no Hoare annotation was computed. [2019-11-25 08:58:07,502 INFO L444 ceAbstractionStarter]: For program point L631-2(lines 631 648) no Hoare annotation was computed. [2019-11-25 08:58:07,502 INFO L444 ceAbstractionStarter]: For program point L532(lines 532 536) no Hoare annotation was computed. [2019-11-25 08:58:07,502 INFO L444 ceAbstractionStarter]: For program point L631-3(lines 631 648) no Hoare annotation was computed. [2019-11-25 08:58:07,502 INFO L444 ceAbstractionStarter]: For program point L796-8(lines 796 800) no Hoare annotation was computed. [2019-11-25 08:58:07,502 INFO L444 ceAbstractionStarter]: For program point L631-4(lines 631 648) no Hoare annotation was computed. [2019-11-25 08:58:07,502 INFO L444 ceAbstractionStarter]: For program point L631-5(lines 631 648) no Hoare annotation was computed. [2019-11-25 08:58:07,503 INFO L440 ceAbstractionStarter]: At program point L136(lines 127 140) the Hoare annotation is: false [2019-11-25 08:58:07,503 INFO L440 ceAbstractionStarter]: At program point L136-1(lines 127 140) the Hoare annotation is: (let ((.cse5 (= 1 ~methaneLevelCritical~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse9 (= 0 ~methaneLevelCritical~0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse4 .cse6) (and .cse7 .cse0 .cse1 .cse9 .cse8 .cse3 .cse4 .cse6))) [2019-11-25 08:58:07,503 INFO L440 ceAbstractionStarter]: At program point L136-2(lines 127 140) the Hoare annotation is: false [2019-11-25 08:58:07,503 INFO L440 ceAbstractionStarter]: At program point L136-3(lines 127 140) the Hoare annotation is: false [2019-11-25 08:58:07,503 INFO L440 ceAbstractionStarter]: At program point L136-4(lines 127 140) the Hoare annotation is: false [2019-11-25 08:58:07,503 INFO L440 ceAbstractionStarter]: At program point L136-5(lines 127 140) the Hoare annotation is: false [2019-11-25 08:58:07,503 INFO L440 ceAbstractionStarter]: At program point L599(lines 598 617) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2019-11-25 08:58:07,503 INFO L444 ceAbstractionStarter]: For program point L599-1(lines 599 605) no Hoare annotation was computed. [2019-11-25 08:58:07,504 INFO L440 ceAbstractionStarter]: At program point L599-2(lines 598 617) the Hoare annotation is: false [2019-11-25 08:58:07,504 INFO L440 ceAbstractionStarter]: At program point L599-3(lines 598 617) the Hoare annotation is: false [2019-11-25 08:58:07,504 INFO L444 ceAbstractionStarter]: For program point L568(lines 568 572) no Hoare annotation was computed. [2019-11-25 08:58:07,504 INFO L440 ceAbstractionStarter]: At program point L568-2(lines 599 605) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse6 (= 1 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse9 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse8 .cse9 .cse4 .cse5 .cse7))) [2019-11-25 08:58:07,504 INFO L444 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2019-11-25 08:58:07,504 INFO L440 ceAbstractionStarter]: At program point L833-1(lines 1 997) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 ~waterLevel~0) .cse2 .cse3 .cse4 (= 1 ~methaneLevelCritical~0) .cse5) (and .cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse1 .cse6 (<= 2 ~waterLevel~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 (= 1 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2019-11-25 08:58:07,504 INFO L444 ceAbstractionStarter]: For program point L833-2(lines 833 850) no Hoare annotation was computed. [2019-11-25 08:58:07,505 INFO L440 ceAbstractionStarter]: At program point L833-3(lines 1 997) the Hoare annotation is: false [2019-11-25 08:58:07,505 INFO L444 ceAbstractionStarter]: For program point L833-4(lines 833 850) no Hoare annotation was computed. [2019-11-25 08:58:07,505 INFO L440 ceAbstractionStarter]: At program point L833-5(lines 1 997) the Hoare annotation is: false [2019-11-25 08:58:07,505 INFO L444 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2019-11-25 08:58:07,505 INFO L444 ceAbstractionStarter]: For program point L635-1(lines 635 643) no Hoare annotation was computed. [2019-11-25 08:58:07,505 INFO L444 ceAbstractionStarter]: For program point L635-2(lines 635 643) no Hoare annotation was computed. [2019-11-25 08:58:07,505 INFO L444 ceAbstractionStarter]: For program point L635-3(lines 635 643) no Hoare annotation was computed. [2019-11-25 08:58:07,505 INFO L444 ceAbstractionStarter]: For program point L635-4(lines 635 643) no Hoare annotation was computed. [2019-11-25 08:58:07,505 INFO L444 ceAbstractionStarter]: For program point L635-5(lines 635 643) no Hoare annotation was computed. [2019-11-25 08:58:07,505 INFO L440 ceAbstractionStarter]: At program point L802(lines 787 805) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~8)) (.cse2 (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))) (.cse3 (= ULTIMATE.start_main_~tmp~10 1)) (.cse4 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse5 (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2))) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (not (= 0 ~systemActive~0))) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 1 ~methaneLevelCritical~0)) (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methaneLevelCritical~0) .cse4 .cse5 .cse6 .cse7 .cse8))) [2019-11-25 08:58:07,506 INFO L440 ceAbstractionStarter]: At program point L802-1(lines 787 805) the Hoare annotation is: false [2019-11-25 08:58:07,506 INFO L440 ceAbstractionStarter]: At program point L802-2(lines 787 805) the Hoare annotation is: false [2019-11-25 08:58:07,506 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2019-11-25 08:58:07,506 INFO L444 ceAbstractionStarter]: For program point L837(lines 837 847) no Hoare annotation was computed. [2019-11-25 08:58:07,506 INFO L444 ceAbstractionStarter]: For program point L837-2(lines 837 847) no Hoare annotation was computed. [2019-11-25 08:58:07,506 INFO L444 ceAbstractionStarter]: For program point L837-4(lines 837 847) no Hoare annotation was computed. [2019-11-25 08:58:07,506 INFO L440 ceAbstractionStarter]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 (= 1 ~methaneLevelCritical~0)))) [2019-11-25 08:58:07,506 INFO L440 ceAbstractionStarter]: At program point L606-1(lines 606 612) the Hoare annotation is: false [2019-11-25 08:58:07,507 INFO L444 ceAbstractionStarter]: For program point L540(lines 540 546) no Hoare annotation was computed. [2019-11-25 08:58:07,507 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 612) the Hoare annotation is: false [2019-11-25 08:58:07,507 INFO L440 ceAbstractionStarter]: At program point L540-1(lines 540 546) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse4 .cse5 (= 1 ~methaneLevelCritical~0) .cse6) (and .cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse1 .cse7 (<= 2 ~waterLevel~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse4 .cse5 .cse6))) [2019-11-25 08:58:07,507 INFO L444 ceAbstractionStarter]: For program point L78(lines 78 82) no Hoare annotation was computed. [2019-11-25 08:58:07,507 INFO L444 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2019-11-25 08:58:07,507 INFO L440 ceAbstractionStarter]: At program point L904-2(lines 904 918) the Hoare annotation is: false [2019-11-25 08:58:07,507 INFO L444 ceAbstractionStarter]: For program point L838-2(lines 838 844) no Hoare annotation was computed. [2019-11-25 08:58:07,507 INFO L444 ceAbstractionStarter]: For program point L838-4(lines 838 844) no Hoare annotation was computed. [2019-11-25 08:58:07,507 INFO L444 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2019-11-25 08:58:07,508 INFO L440 ceAbstractionStarter]: At program point L146(lines 141 149) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)))) [2019-11-25 08:58:07,508 INFO L440 ceAbstractionStarter]: At program point L146-1(lines 141 149) the Hoare annotation is: false [2019-11-25 08:58:07,508 INFO L440 ceAbstractionStarter]: At program point L146-2(lines 141 149) the Hoare annotation is: false [2019-11-25 08:58:07,508 INFO L444 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2019-11-25 08:58:07,508 INFO L444 ceAbstractionStarter]: For program point L908-1(lines 599 605) no Hoare annotation was computed. [2019-11-25 08:58:07,508 INFO L440 ceAbstractionStarter]: At program point L578(lines 529 579) the Hoare annotation is: false [2019-11-25 08:58:07,508 INFO L444 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2019-11-25 08:58:07,508 INFO L444 ceAbstractionStarter]: For program point L777-2(lines 777 781) no Hoare annotation was computed. [2019-11-25 08:58:07,508 INFO L444 ceAbstractionStarter]: For program point L777-3(lines 777 781) no Hoare annotation was computed. [2019-11-25 08:58:07,509 INFO L444 ceAbstractionStarter]: For program point L777-5(lines 777 781) no Hoare annotation was computed. [2019-11-25 08:58:07,509 INFO L444 ceAbstractionStarter]: For program point L777-6(lines 777 781) no Hoare annotation was computed. [2019-11-25 08:58:07,509 INFO L444 ceAbstractionStarter]: For program point L777-8(lines 777 781) no Hoare annotation was computed. [2019-11-25 08:58:07,509 INFO L444 ceAbstractionStarter]: For program point L777-9(lines 777 781) no Hoare annotation was computed. [2019-11-25 08:58:07,509 INFO L444 ceAbstractionStarter]: For program point L777-11(lines 777 781) no Hoare annotation was computed. [2019-11-25 08:58:07,509 INFO L444 ceAbstractionStarter]: For program point L777-12(lines 777 781) no Hoare annotation was computed. [2019-11-25 08:58:07,509 INFO L444 ceAbstractionStarter]: For program point L777-14(lines 777 781) no Hoare annotation was computed. [2019-11-25 08:58:07,509 INFO L444 ceAbstractionStarter]: For program point L777-15(lines 777 781) no Hoare annotation was computed. [2019-11-25 08:58:07,509 INFO L444 ceAbstractionStarter]: For program point L777-17(lines 777 781) no Hoare annotation was computed. [2019-11-25 08:58:07,509 INFO L444 ceAbstractionStarter]: For program point L976(lines 976 983) no Hoare annotation was computed. [2019-11-25 08:58:07,509 INFO L447 ceAbstractionStarter]: At program point L976-1(lines 976 983) the Hoare annotation is: true [2019-11-25 08:58:07,510 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:58:07,510 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 58) no Hoare annotation was computed. [2019-11-25 08:58:07,510 INFO L444 ceAbstractionStarter]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2019-11-25 08:58:07,510 INFO L440 ceAbstractionStarter]: At program point L880(lines 1 997) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-11-25 08:58:07,510 INFO L444 ceAbstractionStarter]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2019-11-25 08:58:07,510 INFO L444 ceAbstractionStarter]: For program point L550(lines 550 556) no Hoare annotation was computed. [2019-11-25 08:58:07,510 INFO L440 ceAbstractionStarter]: At program point L550-1(lines 550 556) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse6 (= 1 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse9 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse8 .cse9 .cse4 .cse5 .cse7))) [2019-11-25 08:58:07,510 INFO L440 ceAbstractionStarter]: At program point L783(lines 768 786) the Hoare annotation is: false [2019-11-25 08:58:07,511 INFO L440 ceAbstractionStarter]: At program point L783-1(lines 768 786) the Hoare annotation is: (let ((.cse8 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse7 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse9 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (.cse10 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse8 .cse9 .cse10 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse4 .cse6) (and .cse7 .cse0 .cse1 .cse9 .cse10 .cse3 .cse4 .cse6 .cse5))) [2019-11-25 08:58:07,511 INFO L440 ceAbstractionStarter]: At program point L783-2(lines 768 786) the Hoare annotation is: false [2019-11-25 08:58:07,511 INFO L440 ceAbstractionStarter]: At program point L783-3(lines 768 786) the Hoare annotation is: false [2019-11-25 08:58:07,511 INFO L440 ceAbstractionStarter]: At program point L783-4(lines 768 786) the Hoare annotation is: false [2019-11-25 08:58:07,511 INFO L440 ceAbstractionStarter]: At program point L783-5(lines 768 786) the Hoare annotation is: false [2019-11-25 08:58:07,511 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:58:07,511 INFO L440 ceAbstractionStarter]: At program point L91(lines 86 94) the Hoare annotation is: false [2019-11-25 08:58:07,511 INFO L440 ceAbstractionStarter]: At program point L91-1(lines 86 94) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5 (= 1 ~methaneLevelCritical~0)) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5))) [2019-11-25 08:58:07,512 INFO L440 ceAbstractionStarter]: At program point L91-2(lines 86 94) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse7 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse6 .cse7) (and .cse0 .cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse5 .cse6 .cse7 (= 1 ~methaneLevelCritical~0)))) [2019-11-25 08:58:07,512 INFO L440 ceAbstractionStarter]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2019-11-25 08:58:07,512 INFO L440 ceAbstractionStarter]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2019-11-25 08:58:07,512 INFO L440 ceAbstractionStarter]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2019-11-25 08:58:07,512 INFO L440 ceAbstractionStarter]: At program point L91-6(lines 86 94) the Hoare annotation is: false [2019-11-25 08:58:07,512 INFO L440 ceAbstractionStarter]: At program point L91-7(lines 86 94) the Hoare annotation is: false [2019-11-25 08:58:07,512 INFO L440 ceAbstractionStarter]: At program point L91-8(lines 86 94) the Hoare annotation is: false [2019-11-25 08:58:07,512 INFO L440 ceAbstractionStarter]: At program point L719(lines 712 722) the Hoare annotation is: false [2019-11-25 08:58:07,512 INFO L440 ceAbstractionStarter]: At program point L719-1(lines 712 722) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse4 .cse5 (= 1 ~methaneLevelCritical~0)))) [2019-11-25 08:58:07,513 INFO L440 ceAbstractionStarter]: At program point L719-2(lines 712 722) the Hoare annotation is: false [2019-11-25 08:58:07,513 INFO L440 ceAbstractionStarter]: At program point L719-3(lines 712 722) the Hoare annotation is: false [2019-11-25 08:58:07,513 INFO L440 ceAbstractionStarter]: At program point L719-4(lines 712 722) the Hoare annotation is: false [2019-11-25 08:58:07,513 INFO L440 ceAbstractionStarter]: At program point L719-5(lines 712 722) the Hoare annotation is: false [2019-11-25 08:58:07,513 INFO L447 ceAbstractionStarter]: At program point L985(lines 966 988) the Hoare annotation is: true [2019-11-25 08:58:07,513 INFO L440 ceAbstractionStarter]: At program point L952(lines 948 954) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~10 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-11-25 08:58:07,513 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:58:07,513 INFO L440 ceAbstractionStarter]: At program point L888(lines 883 891) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-11-25 08:58:07,513 INFO L440 ceAbstractionStarter]: At program point L822(lines 817 824) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~10 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-11-25 08:58:07,513 INFO L444 ceAbstractionStarter]: For program point L657(lines 657 674) no Hoare annotation was computed. [2019-11-25 08:58:07,514 INFO L444 ceAbstractionStarter]: For program point L657-1(lines 657 674) no Hoare annotation was computed. [2019-11-25 08:58:07,514 INFO L444 ceAbstractionStarter]: For program point L657-2(lines 657 674) no Hoare annotation was computed. [2019-11-25 08:58:07,514 INFO L444 ceAbstractionStarter]: For program point L560(lines 560 573) no Hoare annotation was computed. [2019-11-25 08:58:07,514 INFO L444 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-11-25 08:58:07,514 INFO L444 ceAbstractionStarter]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2019-11-25 08:58:07,514 INFO L444 ceAbstractionStarter]: For program point L131-2(lines 131 137) no Hoare annotation was computed. [2019-11-25 08:58:07,514 INFO L444 ceAbstractionStarter]: For program point L131-3(lines 131 137) no Hoare annotation was computed. [2019-11-25 08:58:07,514 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:58:07,514 INFO L444 ceAbstractionStarter]: For program point L131-4(lines 131 137) no Hoare annotation was computed. [2019-11-25 08:58:07,514 INFO L444 ceAbstractionStarter]: For program point L131-5(lines 131 137) no Hoare annotation was computed. [2019-11-25 08:58:07,515 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2019-11-25 08:58:07,515 INFO L444 ceAbstractionStarter]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-11-25 08:58:07,515 INFO L444 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2019-11-25 08:58:07,515 INFO L444 ceAbstractionStarter]: For program point L661(lines 661 669) no Hoare annotation was computed. [2019-11-25 08:58:07,515 INFO L444 ceAbstractionStarter]: For program point L694-2(lines 694 700) no Hoare annotation was computed. [2019-11-25 08:58:07,515 INFO L444 ceAbstractionStarter]: For program point L661-1(lines 661 669) no Hoare annotation was computed. [2019-11-25 08:58:07,515 INFO L444 ceAbstractionStarter]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2019-11-25 08:58:07,515 INFO L444 ceAbstractionStarter]: For program point L694-4(lines 694 700) no Hoare annotation was computed. [2019-11-25 08:58:07,515 INFO L444 ceAbstractionStarter]: For program point L694-6(lines 694 700) no Hoare annotation was computed. [2019-11-25 08:58:07,515 INFO L444 ceAbstractionStarter]: For program point L694-8(lines 694 700) no Hoare annotation was computed. [2019-11-25 08:58:07,516 INFO L444 ceAbstractionStarter]: For program point L694-10(lines 694 700) no Hoare annotation was computed. [2019-11-25 08:58:07,516 INFO L440 ceAbstractionStarter]: At program point L728(lines 723 731) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~10 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 ~methaneLevelCritical~0)) [2019-11-25 08:58:07,516 INFO L440 ceAbstractionStarter]: At program point L728-1(lines 723 731) the Hoare annotation is: false [2019-11-25 08:58:07,516 INFO L440 ceAbstractionStarter]: At program point L728-2(lines 723 731) the Hoare annotation is: false [2019-11-25 08:58:07,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:58:07 BoogieIcfgContainer [2019-11-25 08:58:07,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:58:07,546 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:58:07,546 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:58:07,547 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:58:07,547 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:55" (3/4) ... [2019-11-25 08:58:07,550 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:58:07,569 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-25 08:58:07,571 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-25 08:58:07,572 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-25 08:58:07,573 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-25 08:58:07,574 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:58:07,575 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:58:07,577 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:58:07,603 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime [2019-11-25 08:58:07,603 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime [2019-11-25 08:58:07,603 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime [2019-11-25 08:58:07,603 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && tmp == 1) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((((((\result == 1 && tmp == 0) && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-25 08:58:07,604 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && tmp == 1) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((((((\result == 1 && tmp == 0) && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-25 08:58:07,604 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-25 08:58:07,605 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-25 08:58:07,605 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 1) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-25 08:58:07,605 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-25 08:58:07,606 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && tmp == 1) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-25 08:58:07,607 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((\result == 1 && tmp == 1) && 0 == \result) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-11-25 08:58:07,607 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter) || (((((((\result == 1 && \result == 1) && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && \result == 1) && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:58:07,608 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 1) && \result == 0) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical [2019-11-25 08:58:07,608 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && 0 == tmp) && !(0 == \result)) && tmp == 1) && 0 == \result) && !(0 == tmp___0)) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((((\result == 1 && 0 == tmp) && !(0 == \result)) && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && !(0 == tmp___0)) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:58:07,609 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter) || ((((((((0 == \result && \result == 1) && tmp == 1) && 0 == methaneLevelCritical) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((((0 == \result && \result == 1) && tmp == 1) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-25 08:58:07,610 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:58:07,611 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && 1 == \result) && pumpRunning == 0) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-25 08:58:07,679 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a737dc91-82f2-4acb-b029-ee3cdec6cfc2/bin/uautomizer/witness.graphml [2019-11-25 08:58:07,680 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:58:07,681 INFO L168 Benchmark]: Toolchain (without parser) took 13320.68 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 382.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -199.6 MB). Peak memory consumption was 182.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:07,681 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:58:07,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:07,681 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:07,682 INFO L168 Benchmark]: Boogie Preprocessor took 49.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:07,682 INFO L168 Benchmark]: RCFGBuilder took 858.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:07,682 INFO L168 Benchmark]: TraceAbstraction took 11687.40 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 244.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -119.4 MB). Peak memory consumption was 322.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:07,683 INFO L168 Benchmark]: Witness Printer took 133.27 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:07,685 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 523.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 858.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11687.40 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 244.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -119.4 MB). Peak memory consumption was 322.9 MB. Max. memory is 11.5 GB. * Witness Printer took 133.27 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 994]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 994]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 994]: 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: 86]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == 1) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((\result == 1 && tmp == 1) && 0 == \result) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && tmp == 1) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((((((\result == 1 && tmp == 0) && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && tmp == 1) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter) || ((((((((0 == \result && \result == 1) && tmp == 1) && 0 == methaneLevelCritical) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((((0 == \result && \result == 1) && tmp == 1) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == 1) && \result == 0) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter) || (((((((\result == 1 && \result == 1) && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && \result == 1) && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && 0 == tmp) && !(0 == \result)) && tmp == 1) && 0 == \result) && !(0 == tmp___0)) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((((\result == 1 && 0 == tmp) && !(0 == \result)) && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && !(0 == tmp___0)) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && 1 == \result) && pumpRunning == 0) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && tmp == 1) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((((((\result == 1 && tmp == 0) && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 139 locations, 3 error locations. Result: SAFE, OverallTime: 11.5s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.5s, HoareTripleCheckerStatistics: 1697 SDtfs, 2199 SDslu, 2568 SDs, 0 SdLazy, 369 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 1549 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 189 NumberOfFragments, 1154 HoareAnnotationTreeSize, 56 FomulaSimplifications, 3199265 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 56 FomulaSimplificationsInter, 519812 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 738 NumberOfCodeBlocks, 738 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 722 ConstructedInterpolants, 0 QuantifiedInterpolants, 76723 SizeOfPredicates, 1 NumberOfNonLiveVariables, 498 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 211/237 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...