./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 678e0110 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0.1.24-678e011 [2019-11-19 21:22:29,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:22:29,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:22:29,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:22:29,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:22:29,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:22:29,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:22:29,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:22:29,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:22:29,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:22:29,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:22:29,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:22:29,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:22:29,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:22:29,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:22:29,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:22:29,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:22:29,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:22:29,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:22:29,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:22:29,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:22:29,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:22:29,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:22:29,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:22:29,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:22:29,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:22:29,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:22:29,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:22:29,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:22:29,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:22:29,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:22:29,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:22:29,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:22:29,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:22:29,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:22:29,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:22:29,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:22:29,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:22:29,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:22:29,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:22:29,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:22:29,995 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 21:22:30,016 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:22:30,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:22:30,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:22:30,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:22:30,020 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:22:30,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:22:30,020 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:22:30,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:22:30,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:22:30,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:22:30,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:22:30,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:22:30,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:22:30,023 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:22:30,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:22:30,024 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:22:30,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:22:30,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:22:30,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:22:30,025 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:22:30,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:22:30,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:22:30,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:22:30,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:22:30,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:22:30,027 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:22:30,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:22:30,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:22:30,028 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 [2019-11-19 21:22:30,327 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:22:30,340 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:22:30,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:22:30,345 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:22:30,345 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:22:30,346 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2019-11-19 21:22:30,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d7085729/8ab22de9e06d49b385334d4d3e9afcc8/FLAG3f3a33ff8 [2019-11-19 21:22:30,921 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:22:30,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2019-11-19 21:22:30,940 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d7085729/8ab22de9e06d49b385334d4d3e9afcc8/FLAG3f3a33ff8 [2019-11-19 21:22:31,215 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d7085729/8ab22de9e06d49b385334d4d3e9afcc8 [2019-11-19 21:22:31,218 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:22:31,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:22:31,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:22:31,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:22:31,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:22:31,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:22:31" (1/1) ... [2019-11-19 21:22:31,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22fbcaec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:31, skipping insertion in model container [2019-11-19 21:22:31,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:22:31" (1/1) ... [2019-11-19 21:22:31,235 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:22:31,281 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:22:31,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:22:31,757 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:22:31,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:22:31,884 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:22:31,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:31 WrapperNode [2019-11-19 21:22:31,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:22:31,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:22:31,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:22:31,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:22:31,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:31" (1/1) ... [2019-11-19 21:22:31,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:31" (1/1) ... [2019-11-19 21:22:31,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:22:31,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:22:31,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:22:31,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:22:31,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:31" (1/1) ... [2019-11-19 21:22:31,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:31" (1/1) ... [2019-11-19 21:22:31,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:31" (1/1) ... [2019-11-19 21:22:31,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:31" (1/1) ... [2019-11-19 21:22:32,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:31" (1/1) ... [2019-11-19 21:22:32,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:31" (1/1) ... [2019-11-19 21:22:32,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:31" (1/1) ... [2019-11-19 21:22:32,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:22:32,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:22:32,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:22:32,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:22:32,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-19 21:22:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:22:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 21:22:32,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:22:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:22:33,023 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:22:33,023 INFO L285 CfgBuilder]: Removed 196 assume(true) statements. [2019-11-19 21:22:33,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:33 BoogieIcfgContainer [2019-11-19 21:22:33,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:22:33,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:22:33,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:22:33,030 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:22:33,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:22:31" (1/3) ... [2019-11-19 21:22:33,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cdafed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:33, skipping insertion in model container [2019-11-19 21:22:33,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:31" (2/3) ... [2019-11-19 21:22:33,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cdafed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:33, skipping insertion in model container [2019-11-19 21:22:33,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:33" (3/3) ... [2019-11-19 21:22:33,033 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58.cil.c [2019-11-19 21:22:33,043 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:22:33,050 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 21:22:33,062 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 21:22:33,089 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:22:33,089 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:22:33,089 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:22:33,089 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:22:33,090 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:22:33,090 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:22:33,090 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:22:33,090 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:22:33,121 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2019-11-19 21:22:33,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-19 21:22:33,128 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:33,129 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:33,130 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:33,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:33,136 INFO L82 PathProgramCache]: Analyzing trace with hash -203441980, now seen corresponding path program 1 times [2019-11-19 21:22:33,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:33,144 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35370273] [2019-11-19 21:22:33,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:33,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:33,396 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35370273] [2019-11-19 21:22:33,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:33,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:22:33,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813931968] [2019-11-19 21:22:33,403 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:22:33,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:33,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:22:33,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:22:33,417 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2019-11-19 21:22:33,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:33,453 INFO L93 Difference]: Finished difference Result 271 states and 408 transitions. [2019-11-19 21:22:33,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:22:33,455 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-19 21:22:33,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:33,467 INFO L225 Difference]: With dead ends: 271 [2019-11-19 21:22:33,468 INFO L226 Difference]: Without dead ends: 135 [2019-11-19 21:22:33,471 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 [2019-11-19 21:22:33,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-11-19 21:22:33,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2019-11-19 21:22:33,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-11-19 21:22:33,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2019-11-19 21:22:33,558 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 18 [2019-11-19 21:22:33,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:33,559 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2019-11-19 21:22:33,559 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:22:33,560 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2019-11-19 21:22:33,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 21:22:33,561 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:33,561 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:33,562 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:33,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:33,562 INFO L82 PathProgramCache]: Analyzing trace with hash -422277949, now seen corresponding path program 1 times [2019-11-19 21:22:33,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:33,563 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622697155] [2019-11-19 21:22:33,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:33,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:33,733 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622697155] [2019-11-19 21:22:33,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:33,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:22:33,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470023165] [2019-11-19 21:22:33,735 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:33,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:33,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:33,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:33,737 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand 3 states. [2019-11-19 21:22:33,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:33,772 INFO L93 Difference]: Finished difference Result 135 states and 196 transitions. [2019-11-19 21:22:33,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:33,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-19 21:22:33,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:33,776 INFO L225 Difference]: With dead ends: 135 [2019-11-19 21:22:33,777 INFO L226 Difference]: Without dead ends: 55 [2019-11-19 21:22:33,779 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 [2019-11-19 21:22:33,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-19 21:22:33,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-19 21:22:33,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-19 21:22:33,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-11-19 21:22:33,788 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2019-11-19 21:22:33,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:33,788 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-11-19 21:22:33,789 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:33,789 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-11-19 21:22:33,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 21:22:33,790 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:33,791 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] [2019-11-19 21:22:33,791 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:33,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:33,793 INFO L82 PathProgramCache]: Analyzing trace with hash -622955081, now seen corresponding path program 1 times [2019-11-19 21:22:33,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:33,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345291721] [2019-11-19 21:22:33,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:33,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:33,920 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345291721] [2019-11-19 21:22:33,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:33,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:22:33,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254708184] [2019-11-19 21:22:33,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:33,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:33,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:33,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:33,924 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 5 states. [2019-11-19 21:22:33,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:33,979 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2019-11-19 21:22:33,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 21:22:33,980 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-19 21:22:33,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:33,981 INFO L225 Difference]: With dead ends: 103 [2019-11-19 21:22:33,981 INFO L226 Difference]: Without dead ends: 55 [2019-11-19 21:22:33,982 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 [2019-11-19 21:22:33,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-19 21:22:33,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-19 21:22:33,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-19 21:22:33,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2019-11-19 21:22:33,989 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2019-11-19 21:22:33,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:33,990 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2019-11-19 21:22:33,990 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:33,990 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2019-11-19 21:22:33,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 21:22:33,991 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:33,992 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] [2019-11-19 21:22:33,992 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:33,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:33,992 INFO L82 PathProgramCache]: Analyzing trace with hash -543801984, now seen corresponding path program 1 times [2019-11-19 21:22:33,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:33,993 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900038390] [2019-11-19 21:22:33,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:34,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:34,052 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900038390] [2019-11-19 21:22:34,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:34,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:22:34,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928133895] [2019-11-19 21:22:34,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:34,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:34,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:34,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:34,055 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2019-11-19 21:22:34,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:34,098 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2019-11-19 21:22:34,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:34,099 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-19 21:22:34,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:34,100 INFO L225 Difference]: With dead ends: 125 [2019-11-19 21:22:34,100 INFO L226 Difference]: Without dead ends: 77 [2019-11-19 21:22:34,101 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 [2019-11-19 21:22:34,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-11-19 21:22:34,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2019-11-19 21:22:34,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-19 21:22:34,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2019-11-19 21:22:34,119 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 26 [2019-11-19 21:22:34,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:34,119 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2019-11-19 21:22:34,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:34,120 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2019-11-19 21:22:34,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 21:22:34,123 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:34,123 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] [2019-11-19 21:22:34,124 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:34,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:34,124 INFO L82 PathProgramCache]: Analyzing trace with hash 433721006, now seen corresponding path program 1 times [2019-11-19 21:22:34,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:34,125 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319017980] [2019-11-19 21:22:34,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:34,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:34,204 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319017980] [2019-11-19 21:22:34,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:34,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:22:34,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357846812] [2019-11-19 21:22:34,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:34,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:34,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:34,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:34,206 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2019-11-19 21:22:34,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:34,239 INFO L93 Difference]: Finished difference Result 194 states and 279 transitions. [2019-11-19 21:22:34,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:34,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-11-19 21:22:34,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:34,241 INFO L225 Difference]: With dead ends: 194 [2019-11-19 21:22:34,241 INFO L226 Difference]: Without dead ends: 126 [2019-11-19 21:22:34,242 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 [2019-11-19 21:22:34,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-11-19 21:22:34,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2019-11-19 21:22:34,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-19 21:22:34,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2019-11-19 21:22:34,256 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 32 [2019-11-19 21:22:34,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:34,257 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2019-11-19 21:22:34,257 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:34,257 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2019-11-19 21:22:34,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 21:22:34,258 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:34,259 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] [2019-11-19 21:22:34,259 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:34,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:34,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1020527020, now seen corresponding path program 1 times [2019-11-19 21:22:34,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:34,260 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874098736] [2019-11-19 21:22:34,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:34,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:34,321 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874098736] [2019-11-19 21:22:34,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:34,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:22:34,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787478195] [2019-11-19 21:22:34,322 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:34,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:34,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:34,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:34,323 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 5 states. [2019-11-19 21:22:34,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:34,461 INFO L93 Difference]: Finished difference Result 622 states and 885 transitions. [2019-11-19 21:22:34,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 21:22:34,462 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-19 21:22:34,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:34,465 INFO L225 Difference]: With dead ends: 622 [2019-11-19 21:22:34,465 INFO L226 Difference]: Without dead ends: 505 [2019-11-19 21:22:34,466 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 [2019-11-19 21:22:34,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2019-11-19 21:22:34,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 227. [2019-11-19 21:22:34,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2019-11-19 21:22:34,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 314 transitions. [2019-11-19 21:22:34,494 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 314 transitions. Word has length 32 [2019-11-19 21:22:34,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:34,495 INFO L462 AbstractCegarLoop]: Abstraction has 227 states and 314 transitions. [2019-11-19 21:22:34,495 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:34,495 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 314 transitions. [2019-11-19 21:22:34,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 21:22:34,496 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:34,497 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] [2019-11-19 21:22:34,497 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:34,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:34,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1020370484, now seen corresponding path program 1 times [2019-11-19 21:22:34,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:34,498 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469311571] [2019-11-19 21:22:34,498 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:34,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:34,555 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469311571] [2019-11-19 21:22:34,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:34,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:22:34,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873379699] [2019-11-19 21:22:34,556 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:34,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:34,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:34,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:34,557 INFO L87 Difference]: Start difference. First operand 227 states and 314 transitions. Second operand 5 states. [2019-11-19 21:22:34,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:34,711 INFO L93 Difference]: Finished difference Result 865 states and 1197 transitions. [2019-11-19 21:22:34,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 21:22:34,711 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-19 21:22:34,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:34,715 INFO L225 Difference]: With dead ends: 865 [2019-11-19 21:22:34,715 INFO L226 Difference]: Without dead ends: 645 [2019-11-19 21:22:34,716 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 [2019-11-19 21:22:34,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2019-11-19 21:22:34,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 225. [2019-11-19 21:22:34,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-11-19 21:22:34,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 308 transitions. [2019-11-19 21:22:34,738 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 308 transitions. Word has length 33 [2019-11-19 21:22:34,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:34,739 INFO L462 AbstractCegarLoop]: Abstraction has 225 states and 308 transitions. [2019-11-19 21:22:34,739 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:34,739 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 308 transitions. [2019-11-19 21:22:34,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 21:22:34,740 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:34,740 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] [2019-11-19 21:22:34,741 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:34,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:34,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1031669644, now seen corresponding path program 1 times [2019-11-19 21:22:34,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:34,742 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468813818] [2019-11-19 21:22:34,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:34,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:34,791 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468813818] [2019-11-19 21:22:34,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:34,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:22:34,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459632576] [2019-11-19 21:22:34,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:34,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:34,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:34,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:34,793 INFO L87 Difference]: Start difference. First operand 225 states and 308 transitions. Second operand 5 states. [2019-11-19 21:22:34,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:34,891 INFO L93 Difference]: Finished difference Result 609 states and 825 transitions. [2019-11-19 21:22:34,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 21:22:34,891 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-19 21:22:34,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:34,894 INFO L225 Difference]: With dead ends: 609 [2019-11-19 21:22:34,894 INFO L226 Difference]: Without dead ends: 391 [2019-11-19 21:22:34,895 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 [2019-11-19 21:22:34,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2019-11-19 21:22:34,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 243. [2019-11-19 21:22:34,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2019-11-19 21:22:34,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 326 transitions. [2019-11-19 21:22:34,919 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 326 transitions. Word has length 36 [2019-11-19 21:22:34,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:34,919 INFO L462 AbstractCegarLoop]: Abstraction has 243 states and 326 transitions. [2019-11-19 21:22:34,919 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:34,920 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2019-11-19 21:22:34,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 21:22:34,920 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:34,921 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] [2019-11-19 21:22:34,921 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:34,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:34,921 INFO L82 PathProgramCache]: Analyzing trace with hash 20552394, now seen corresponding path program 1 times [2019-11-19 21:22:34,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:34,922 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758340916] [2019-11-19 21:22:34,922 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:34,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:34,973 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758340916] [2019-11-19 21:22:34,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:34,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:22:34,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888831358] [2019-11-19 21:22:34,975 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 21:22:34,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:34,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 21:22:34,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 21:22:34,976 INFO L87 Difference]: Start difference. First operand 243 states and 326 transitions. Second operand 4 states. [2019-11-19 21:22:35,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:35,063 INFO L93 Difference]: Finished difference Result 512 states and 682 transitions. [2019-11-19 21:22:35,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 21:22:35,064 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2019-11-19 21:22:35,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:35,066 INFO L225 Difference]: With dead ends: 512 [2019-11-19 21:22:35,066 INFO L226 Difference]: Without dead ends: 276 [2019-11-19 21:22:35,067 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 [2019-11-19 21:22:35,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2019-11-19 21:22:35,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 204. [2019-11-19 21:22:35,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-11-19 21:22:35,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 267 transitions. [2019-11-19 21:22:35,084 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 267 transitions. Word has length 36 [2019-11-19 21:22:35,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:35,085 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 267 transitions. [2019-11-19 21:22:35,085 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 21:22:35,085 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 267 transitions. [2019-11-19 21:22:35,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 21:22:35,086 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:35,086 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] [2019-11-19 21:22:35,087 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:35,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:35,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1819972552, now seen corresponding path program 1 times [2019-11-19 21:22:35,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:35,088 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139853705] [2019-11-19 21:22:35,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:35,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:35,152 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139853705] [2019-11-19 21:22:35,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:35,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 21:22:35,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441410859] [2019-11-19 21:22:35,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 21:22:35,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:35,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 21:22:35,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:22:35,154 INFO L87 Difference]: Start difference. First operand 204 states and 267 transitions. Second operand 6 states. [2019-11-19 21:22:35,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:35,395 INFO L93 Difference]: Finished difference Result 615 states and 805 transitions. [2019-11-19 21:22:35,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-19 21:22:35,396 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-11-19 21:22:35,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:35,401 INFO L225 Difference]: With dead ends: 615 [2019-11-19 21:22:35,401 INFO L226 Difference]: Without dead ends: 418 [2019-11-19 21:22:35,401 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 [2019-11-19 21:22:35,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2019-11-19 21:22:35,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 204. [2019-11-19 21:22:35,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-11-19 21:22:35,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 262 transitions. [2019-11-19 21:22:35,424 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 262 transitions. Word has length 37 [2019-11-19 21:22:35,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:35,424 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 262 transitions. [2019-11-19 21:22:35,424 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 21:22:35,424 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 262 transitions. [2019-11-19 21:22:35,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-19 21:22:35,426 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:35,426 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] [2019-11-19 21:22:35,426 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:35,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:35,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1973086569, now seen corresponding path program 1 times [2019-11-19 21:22:35,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:35,427 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921758956] [2019-11-19 21:22:35,427 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:35,507 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 21:22:35,508 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921758956] [2019-11-19 21:22:35,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:35,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 21:22:35,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232489102] [2019-11-19 21:22:35,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 21:22:35,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:35,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 21:22:35,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-19 21:22:35,510 INFO L87 Difference]: Start difference. First operand 204 states and 262 transitions. Second operand 7 states. [2019-11-19 21:22:35,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:35,630 INFO L93 Difference]: Finished difference Result 516 states and 678 transitions. [2019-11-19 21:22:35,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 21:22:35,630 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-11-19 21:22:35,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:35,633 INFO L225 Difference]: With dead ends: 516 [2019-11-19 21:22:35,633 INFO L226 Difference]: Without dead ends: 369 [2019-11-19 21:22:35,634 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 [2019-11-19 21:22:35,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-11-19 21:22:35,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 210. [2019-11-19 21:22:35,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-11-19 21:22:35,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 268 transitions. [2019-11-19 21:22:35,655 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 268 transitions. Word has length 58 [2019-11-19 21:22:35,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:35,656 INFO L462 AbstractCegarLoop]: Abstraction has 210 states and 268 transitions. [2019-11-19 21:22:35,656 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 21:22:35,656 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 268 transitions. [2019-11-19 21:22:35,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-19 21:22:35,657 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:35,657 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] [2019-11-19 21:22:35,658 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:35,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:35,658 INFO L82 PathProgramCache]: Analyzing trace with hash 2063715289, now seen corresponding path program 1 times [2019-11-19 21:22:35,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:35,659 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072157387] [2019-11-19 21:22:35,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:35,718 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:35,718 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072157387] [2019-11-19 21:22:35,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:35,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:22:35,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202508899] [2019-11-19 21:22:35,719 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:35,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:35,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:35,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:35,720 INFO L87 Difference]: Start difference. First operand 210 states and 268 transitions. Second operand 3 states. [2019-11-19 21:22:35,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:35,780 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2019-11-19 21:22:35,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:35,781 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-19 21:22:35,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:35,783 INFO L225 Difference]: With dead ends: 331 [2019-11-19 21:22:35,783 INFO L226 Difference]: Without dead ends: 329 [2019-11-19 21:22:35,784 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 [2019-11-19 21:22:35,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2019-11-19 21:22:35,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 236. [2019-11-19 21:22:35,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-11-19 21:22:35,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 307 transitions. [2019-11-19 21:22:35,810 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 307 transitions. Word has length 58 [2019-11-19 21:22:35,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:35,811 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 307 transitions. [2019-11-19 21:22:35,811 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:35,811 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 307 transitions. [2019-11-19 21:22:35,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-19 21:22:35,812 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:35,812 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] [2019-11-19 21:22:35,812 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:35,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:35,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1544417178, now seen corresponding path program 1 times [2019-11-19 21:22:35,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:35,813 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226110559] [2019-11-19 21:22:35,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:36,019 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 21:22:36,020 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226110559] [2019-11-19 21:22:36,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:36,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:22:36,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675309467] [2019-11-19 21:22:36,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:36,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:36,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:36,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:36,022 INFO L87 Difference]: Start difference. First operand 236 states and 307 transitions. Second operand 5 states. [2019-11-19 21:22:36,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:36,186 INFO L93 Difference]: Finished difference Result 589 states and 784 transitions. [2019-11-19 21:22:36,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 21:22:36,186 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-11-19 21:22:36,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:36,189 INFO L225 Difference]: With dead ends: 589 [2019-11-19 21:22:36,189 INFO L226 Difference]: Without dead ends: 410 [2019-11-19 21:22:36,190 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 [2019-11-19 21:22:36,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2019-11-19 21:22:36,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 269. [2019-11-19 21:22:36,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2019-11-19 21:22:36,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 350 transitions. [2019-11-19 21:22:36,219 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 350 transitions. Word has length 82 [2019-11-19 21:22:36,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:36,219 INFO L462 AbstractCegarLoop]: Abstraction has 269 states and 350 transitions. [2019-11-19 21:22:36,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:36,220 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 350 transitions. [2019-11-19 21:22:36,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-19 21:22:36,221 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:36,221 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] [2019-11-19 21:22:36,221 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:36,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:36,222 INFO L82 PathProgramCache]: Analyzing trace with hash 523348824, now seen corresponding path program 1 times [2019-11-19 21:22:36,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:36,222 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653185360] [2019-11-19 21:22:36,223 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:36,300 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:36,301 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653185360] [2019-11-19 21:22:36,302 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414613429] [2019-11-19 21:22:36,302 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-19 21:22:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:36,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 21:22:36,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:22:36,510 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:36,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 21:22:36,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-11-19 21:22:36,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249642242] [2019-11-19 21:22:36,512 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 21:22:36,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:36,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 21:22:36,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 21:22:36,514 INFO L87 Difference]: Start difference. First operand 269 states and 350 transitions. Second operand 4 states. [2019-11-19 21:22:36,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:36,614 INFO L93 Difference]: Finished difference Result 559 states and 728 transitions. [2019-11-19 21:22:36,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 21:22:36,615 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2019-11-19 21:22:36,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:36,617 INFO L225 Difference]: With dead ends: 559 [2019-11-19 21:22:36,617 INFO L226 Difference]: Without dead ends: 294 [2019-11-19 21:22:36,617 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 [2019-11-19 21:22:36,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-11-19 21:22:36,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 274. [2019-11-19 21:22:36,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2019-11-19 21:22:36,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 342 transitions. [2019-11-19 21:22:36,655 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 342 transitions. Word has length 82 [2019-11-19 21:22:36,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:36,655 INFO L462 AbstractCegarLoop]: Abstraction has 274 states and 342 transitions. [2019-11-19 21:22:36,655 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 21:22:36,656 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 342 transitions. [2019-11-19 21:22:36,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-19 21:22:36,662 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:36,662 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] [2019-11-19 21:22:36,869 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:22:36,870 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:36,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:36,870 INFO L82 PathProgramCache]: Analyzing trace with hash 60063416, now seen corresponding path program 2 times [2019-11-19 21:22:36,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:36,871 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296351280] [2019-11-19 21:22:36,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:37,000 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:22:37,000 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296351280] [2019-11-19 21:22:37,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:37,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 21:22:37,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573721391] [2019-11-19 21:22:37,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 21:22:37,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:37,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 21:22:37,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:22:37,004 INFO L87 Difference]: Start difference. First operand 274 states and 342 transitions. Second operand 6 states. [2019-11-19 21:22:37,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:37,262 INFO L93 Difference]: Finished difference Result 630 states and 789 transitions. [2019-11-19 21:22:37,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 21:22:37,262 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-11-19 21:22:37,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:37,263 INFO L225 Difference]: With dead ends: 630 [2019-11-19 21:22:37,263 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 21:22:37,264 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 [2019-11-19 21:22:37,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 21:22:37,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 21:22:37,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 21:22:37,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 21:22:37,265 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2019-11-19 21:22:37,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:37,265 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 21:22:37,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 21:22:37,268 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 21:22:37,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 21:22:37,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 21:22:37,755 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 149 [2019-11-19 21:22:37,883 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 127 [2019-11-19 21:22:38,026 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 103 [2019-11-19 21:22:38,180 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 129 [2019-11-19 21:22:38,332 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 118 [2019-11-19 21:22:38,539 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 123 [2019-11-19 21:22:38,727 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 123 [2019-11-19 21:22:39,073 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 137 [2019-11-19 21:22:39,343 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 27 [2019-11-19 21:22:40,198 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 29 [2019-11-19 21:22:40,323 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2019-11-19 21:22:40,862 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 35 [2019-11-19 21:22:41,370 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 31 [2019-11-19 21:22:42,007 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 34 [2019-11-19 21:22:42,163 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 23 [2019-11-19 21:22:42,773 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 31 [2019-11-19 21:22:42,964 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2019-11-19 21:22:43,489 WARN L191 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 34 [2019-11-19 21:22:44,023 WARN L191 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 34 [2019-11-19 21:22:44,204 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2019-11-19 21:22:44,954 WARN L191 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 28 [2019-11-19 21:22:45,410 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 36 [2019-11-19 21:22:45,437 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2019-11-19 21:22:45,437 INFO L444 ceAbstractionStarter]: For program point L531(lines 530 577) no Hoare annotation was computed. [2019-11-19 21:22:45,437 INFO L444 ceAbstractionStarter]: For program point L994(line 994) no Hoare annotation was computed. [2019-11-19 21:22:45,437 INFO L444 ceAbstractionStarter]: For program point L994-1(line 994) no Hoare annotation was computed. [2019-11-19 21:22:45,437 INFO L444 ceAbstractionStarter]: For program point L994-2(line 994) no Hoare annotation was computed. [2019-11-19 21:22:45,437 INFO L444 ceAbstractionStarter]: For program point L796(lines 796 800) no Hoare annotation was computed. [2019-11-19 21:22:45,438 INFO L444 ceAbstractionStarter]: For program point L796-2(lines 796 800) no Hoare annotation was computed. [2019-11-19 21:22:45,438 INFO L444 ceAbstractionStarter]: For program point L796-3(lines 796 800) no Hoare annotation was computed. [2019-11-19 21:22:45,438 INFO L444 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2019-11-19 21:22:45,438 INFO L444 ceAbstractionStarter]: For program point L796-5(lines 796 800) no Hoare annotation was computed. [2019-11-19 21:22:45,438 INFO L444 ceAbstractionStarter]: For program point L631-1(lines 631 648) no Hoare annotation was computed. [2019-11-19 21:22:45,438 INFO L444 ceAbstractionStarter]: For program point L796-6(lines 796 800) no Hoare annotation was computed. [2019-11-19 21:22:45,439 INFO L444 ceAbstractionStarter]: For program point L631-2(lines 631 648) no Hoare annotation was computed. [2019-11-19 21:22:45,440 INFO L444 ceAbstractionStarter]: For program point L532(lines 532 536) no Hoare annotation was computed. [2019-11-19 21:22:45,440 INFO L444 ceAbstractionStarter]: For program point L631-3(lines 631 648) no Hoare annotation was computed. [2019-11-19 21:22:45,440 INFO L444 ceAbstractionStarter]: For program point L796-8(lines 796 800) no Hoare annotation was computed. [2019-11-19 21:22:45,440 INFO L444 ceAbstractionStarter]: For program point L631-4(lines 631 648) no Hoare annotation was computed. [2019-11-19 21:22:45,440 INFO L444 ceAbstractionStarter]: For program point L631-5(lines 631 648) no Hoare annotation was computed. [2019-11-19 21:22:45,441 INFO L440 ceAbstractionStarter]: At program point L136(lines 127 140) the Hoare annotation is: false [2019-11-19 21:22:45,441 INFO L440 ceAbstractionStarter]: At program point L136-1(lines 127 140) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~10 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse7 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse6 (= 1 ~methaneLevelCritical~0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse9 (and .cse2 .cse3 (= 0 ~methaneLevelCritical~0) .cse4 .cse5 .cse7)) (.cse0 (<= 1 ~waterLevel~0))) (or (and .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7)) (and .cse8 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7)) (and .cse8 .cse9) (and (and .cse1 .cse9) .cse0)))) [2019-11-19 21:22:45,441 INFO L440 ceAbstractionStarter]: At program point L136-2(lines 127 140) the Hoare annotation is: false [2019-11-19 21:22:45,441 INFO L440 ceAbstractionStarter]: At program point L136-3(lines 127 140) the Hoare annotation is: false [2019-11-19 21:22:45,442 INFO L440 ceAbstractionStarter]: At program point L136-4(lines 127 140) the Hoare annotation is: false [2019-11-19 21:22:45,442 INFO L440 ceAbstractionStarter]: At program point L136-5(lines 127 140) the Hoare annotation is: false [2019-11-19 21:22:45,442 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 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3) .cse4) (and (and (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) .cse5) .cse4) (and (and (and .cse0 .cse1 .cse2 .cse3 .cse5) (= 0 ~methAndRunningLastTime~0)) .cse4))) [2019-11-19 21:22:45,442 INFO L444 ceAbstractionStarter]: For program point L599-1(lines 599 605) no Hoare annotation was computed. [2019-11-19 21:22:45,442 INFO L440 ceAbstractionStarter]: At program point L599-2(lines 598 617) the Hoare annotation is: false [2019-11-19 21:22:45,443 INFO L440 ceAbstractionStarter]: At program point L599-3(lines 598 617) the Hoare annotation is: false [2019-11-19 21:22:45,443 INFO L444 ceAbstractionStarter]: For program point L568(lines 568 572) no Hoare annotation was computed. [2019-11-19 21:22:45,443 INFO L440 ceAbstractionStarter]: At program point L568-2(lines 599 605) the Hoare annotation is: (let ((.cse8 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse9 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and (and (and (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) .cse6) .cse7) (and .cse8 (and .cse0 .cse1 .cse9 .cse3 .cse4)) (and .cse8 (and (and .cse0 .cse1 .cse3 .cse4 .cse5) .cse6)) (and (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse4) .cse7 .cse6))) [2019-11-19 21:22:45,443 INFO L444 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2019-11-19 21:22:45,443 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)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse1 .cse2 (<= 2 ~waterLevel~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5) (and (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (and .cse0 .cse1 .cse6 .cse3 .cse4) (= 1 ~methaneLevelCritical~0)) (<= 1 ~waterLevel~0) .cse5) (and .cse0 .cse1 (and .cse2 (= 1 ~waterLevel~0) .cse6 .cse3 .cse4) .cse5))) [2019-11-19 21:22:45,444 INFO L444 ceAbstractionStarter]: For program point L833-2(lines 833 850) no Hoare annotation was computed. [2019-11-19 21:22:45,444 INFO L440 ceAbstractionStarter]: At program point L833-3(lines 1 997) the Hoare annotation is: false [2019-11-19 21:22:45,444 INFO L444 ceAbstractionStarter]: For program point L833-4(lines 833 850) no Hoare annotation was computed. [2019-11-19 21:22:45,444 INFO L440 ceAbstractionStarter]: At program point L833-5(lines 1 997) the Hoare annotation is: false [2019-11-19 21:22:45,444 INFO L444 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2019-11-19 21:22:45,445 INFO L444 ceAbstractionStarter]: For program point L635-1(lines 635 643) no Hoare annotation was computed. [2019-11-19 21:22:45,445 INFO L444 ceAbstractionStarter]: For program point L635-2(lines 635 643) no Hoare annotation was computed. [2019-11-19 21:22:45,445 INFO L444 ceAbstractionStarter]: For program point L635-3(lines 635 643) no Hoare annotation was computed. [2019-11-19 21:22:45,445 INFO L444 ceAbstractionStarter]: For program point L635-4(lines 635 643) no Hoare annotation was computed. [2019-11-19 21:22:45,445 INFO L444 ceAbstractionStarter]: For program point L635-5(lines 635 643) no Hoare annotation was computed. [2019-11-19 21:22:45,445 INFO L440 ceAbstractionStarter]: At program point L802(lines 787 805) the Hoare annotation is: (let ((.cse1 (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~8)) (.cse2 (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))) (.cse5 (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2))) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~10 1)) (.cse7 (not (= 0 ~systemActive~0))) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse6 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 1 ~methaneLevelCritical~0)) (and .cse1 (and .cse2 .cse5 (and .cse0 .cse3 (= 0 ~methaneLevelCritical~0) .cse7 .cse8)) .cse4 .cse6))) [2019-11-19 21:22:45,446 INFO L440 ceAbstractionStarter]: At program point L802-1(lines 787 805) the Hoare annotation is: false [2019-11-19 21:22:45,446 INFO L440 ceAbstractionStarter]: At program point L802-2(lines 787 805) the Hoare annotation is: false [2019-11-19 21:22:45,446 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2019-11-19 21:22:45,446 INFO L444 ceAbstractionStarter]: For program point L837(lines 837 847) no Hoare annotation was computed. [2019-11-19 21:22:45,446 INFO L444 ceAbstractionStarter]: For program point L837-2(lines 837 847) no Hoare annotation was computed. [2019-11-19 21:22:45,447 INFO L444 ceAbstractionStarter]: For program point L837-4(lines 837 847) no Hoare annotation was computed. [2019-11-19 21:22:45,447 INFO L440 ceAbstractionStarter]: At program point L606(lines 606 612) 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 (<= 1 ~waterLevel~0))) (or (and (and (and .cse0 .cse1 .cse2 .cse3 .cse4) (= 1 ~methaneLevelCritical~0)) .cse5) (and (<= 2 ~waterLevel~0) (and .cse0 .cse1 .cse6 .cse3 .cse4)) (and (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse4) .cse5))) [2019-11-19 21:22:45,447 INFO L440 ceAbstractionStarter]: At program point L606-1(lines 606 612) the Hoare annotation is: false [2019-11-19 21:22:45,447 INFO L444 ceAbstractionStarter]: For program point L540(lines 540 546) no Hoare annotation was computed. [2019-11-19 21:22:45,447 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 612) the Hoare annotation is: false [2019-11-19 21:22:45,448 INFO L440 ceAbstractionStarter]: At program point L540-1(lines 540 546) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse7 (<= 1 ~waterLevel~0))) (or (and .cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse1 .cse2 (<= 2 ~waterLevel~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5) (and (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (and .cse0 .cse1 .cse6 .cse3 .cse4) (= 1 ~methaneLevelCritical~0)) .cse7 .cse5) (and (and (and .cse1 (and .cse0 .cse2 .cse6 .cse3 .cse4)) .cse5) .cse7))) [2019-11-19 21:22:45,448 INFO L444 ceAbstractionStarter]: For program point L78(lines 78 82) no Hoare annotation was computed. [2019-11-19 21:22:45,448 INFO L444 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2019-11-19 21:22:45,448 INFO L440 ceAbstractionStarter]: At program point L904-2(lines 904 918) the Hoare annotation is: false [2019-11-19 21:22:45,448 INFO L444 ceAbstractionStarter]: For program point L838-2(lines 838 844) no Hoare annotation was computed. [2019-11-19 21:22:45,449 INFO L444 ceAbstractionStarter]: For program point L838-4(lines 838 844) no Hoare annotation was computed. [2019-11-19 21:22:45,449 INFO L444 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2019-11-19 21:22:45,449 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)) (.cse4 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse5 (<= 1 ~waterLevel~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3) .cse4 .cse5) (and .cse0 .cse1 .cse4 .cse5 .cse2 .cse3 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)))) [2019-11-19 21:22:45,449 INFO L440 ceAbstractionStarter]: At program point L146-1(lines 141 149) the Hoare annotation is: false [2019-11-19 21:22:45,449 INFO L440 ceAbstractionStarter]: At program point L146-2(lines 141 149) the Hoare annotation is: false [2019-11-19 21:22:45,449 INFO L444 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2019-11-19 21:22:45,450 INFO L444 ceAbstractionStarter]: For program point L908-1(lines 599 605) no Hoare annotation was computed. [2019-11-19 21:22:45,450 INFO L440 ceAbstractionStarter]: At program point L578(lines 529 579) the Hoare annotation is: false [2019-11-19 21:22:45,450 INFO L444 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2019-11-19 21:22:45,450 INFO L444 ceAbstractionStarter]: For program point L777-2(lines 777 781) no Hoare annotation was computed. [2019-11-19 21:22:45,450 INFO L444 ceAbstractionStarter]: For program point L777-3(lines 777 781) no Hoare annotation was computed. [2019-11-19 21:22:45,451 INFO L444 ceAbstractionStarter]: For program point L777-5(lines 777 781) no Hoare annotation was computed. [2019-11-19 21:22:45,451 INFO L444 ceAbstractionStarter]: For program point L777-6(lines 777 781) no Hoare annotation was computed. [2019-11-19 21:22:45,451 INFO L444 ceAbstractionStarter]: For program point L777-8(lines 777 781) no Hoare annotation was computed. [2019-11-19 21:22:45,451 INFO L444 ceAbstractionStarter]: For program point L777-9(lines 777 781) no Hoare annotation was computed. [2019-11-19 21:22:45,451 INFO L444 ceAbstractionStarter]: For program point L777-11(lines 777 781) no Hoare annotation was computed. [2019-11-19 21:22:45,451 INFO L444 ceAbstractionStarter]: For program point L777-12(lines 777 781) no Hoare annotation was computed. [2019-11-19 21:22:45,452 INFO L444 ceAbstractionStarter]: For program point L777-14(lines 777 781) no Hoare annotation was computed. [2019-11-19 21:22:45,452 INFO L444 ceAbstractionStarter]: For program point L777-15(lines 777 781) no Hoare annotation was computed. [2019-11-19 21:22:45,452 INFO L444 ceAbstractionStarter]: For program point L777-17(lines 777 781) no Hoare annotation was computed. [2019-11-19 21:22:45,452 INFO L444 ceAbstractionStarter]: For program point L976(lines 976 983) no Hoare annotation was computed. [2019-11-19 21:22:45,452 INFO L447 ceAbstractionStarter]: At program point L976-1(lines 976 983) the Hoare annotation is: true [2019-11-19 21:22:45,452 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 21:22:45,453 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 58) no Hoare annotation was computed. [2019-11-19 21:22:45,453 INFO L444 ceAbstractionStarter]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2019-11-19 21:22:45,453 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)) [2019-11-19 21:22:45,453 INFO L444 ceAbstractionStarter]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2019-11-19 21:22:45,453 INFO L444 ceAbstractionStarter]: For program point L550(lines 550 556) no Hoare annotation was computed. [2019-11-19 21:22:45,454 INFO L440 ceAbstractionStarter]: At program point L550-1(lines 550 556) the Hoare annotation is: (let ((.cse8 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse9 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and (and (and (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) .cse6) .cse7) (and .cse8 (and .cse0 .cse1 .cse9 .cse3 .cse4)) (and .cse8 (and (and .cse0 .cse1 .cse3 .cse4 .cse5) .cse6)) (and (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse4) .cse7 .cse6))) [2019-11-19 21:22:45,454 INFO L440 ceAbstractionStarter]: At program point L783(lines 768 786) the Hoare annotation is: false [2019-11-19 21:22:45,454 INFO L440 ceAbstractionStarter]: At program point L783-1(lines 768 786) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_main_~tmp~10 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse5 (= 1 ~methaneLevelCritical~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse9 (<= 1 ~waterLevel~0)) (.cse7 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse10 (and .cse1 .cse2 (= 0 ~methaneLevelCritical~0) .cse3 .cse4 .cse6)) (.cse8 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (or (and .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6)) (and (and (and .cse7 .cse1 .cse2 .cse8 .cse3 .cse4 .cse6) .cse5) .cse9) (and .cse0 .cse10) (and .cse9 (and .cse7 .cse10 .cse8))))) [2019-11-19 21:22:45,454 INFO L440 ceAbstractionStarter]: At program point L783-2(lines 768 786) the Hoare annotation is: false [2019-11-19 21:22:45,454 INFO L440 ceAbstractionStarter]: At program point L783-3(lines 768 786) the Hoare annotation is: false [2019-11-19 21:22:45,455 INFO L440 ceAbstractionStarter]: At program point L783-4(lines 768 786) the Hoare annotation is: false [2019-11-19 21:22:45,455 INFO L440 ceAbstractionStarter]: At program point L783-5(lines 768 786) the Hoare annotation is: false [2019-11-19 21:22:45,455 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 21:22:45,455 INFO L440 ceAbstractionStarter]: At program point L91(lines 86 94) the Hoare annotation is: false [2019-11-19 21:22:45,455 INFO L440 ceAbstractionStarter]: At program point L91-1(lines 86 94) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_main_~tmp~10 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 .cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5 (= 1 ~methaneLevelCritical~0))) (and .cse0 (and .cse1 .cse2 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5)))) [2019-11-19 21:22:45,456 INFO L440 ceAbstractionStarter]: At program point L91-2(lines 86 94) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (and .cse0 .cse1 .cse2 .cse3 .cse4) (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ~methaneLevelCritical~0)) .cse5) (and (and .cse0 .cse1 .cse6 .cse7 .cse2 .cse3 .cse4) .cse5) (and (and .cse0 .cse1 .cse6 .cse7 .cse3 .cse4) (<= 2 ~waterLevel~0)))) [2019-11-19 21:22:45,456 INFO L440 ceAbstractionStarter]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2019-11-19 21:22:45,456 INFO L440 ceAbstractionStarter]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2019-11-19 21:22:45,456 INFO L440 ceAbstractionStarter]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2019-11-19 21:22:45,457 INFO L440 ceAbstractionStarter]: At program point L91-6(lines 86 94) the Hoare annotation is: false [2019-11-19 21:22:45,457 INFO L440 ceAbstractionStarter]: At program point L91-7(lines 86 94) the Hoare annotation is: false [2019-11-19 21:22:45,457 INFO L440 ceAbstractionStarter]: At program point L91-8(lines 86 94) the Hoare annotation is: false [2019-11-19 21:22:45,457 INFO L440 ceAbstractionStarter]: At program point L719(lines 712 722) the Hoare annotation is: false [2019-11-19 21:22:45,457 INFO L440 ceAbstractionStarter]: At program point L719-1(lines 712 722) the Hoare annotation is: (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse3 .cse4 (= 1 ~methaneLevelCritical~0)) .cse5) (and .cse5 (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse4)))) [2019-11-19 21:22:45,457 INFO L440 ceAbstractionStarter]: At program point L719-2(lines 712 722) the Hoare annotation is: false [2019-11-19 21:22:45,458 INFO L440 ceAbstractionStarter]: At program point L719-3(lines 712 722) the Hoare annotation is: false [2019-11-19 21:22:45,458 INFO L440 ceAbstractionStarter]: At program point L719-4(lines 712 722) the Hoare annotation is: false [2019-11-19 21:22:45,458 INFO L440 ceAbstractionStarter]: At program point L719-5(lines 712 722) the Hoare annotation is: false [2019-11-19 21:22:45,458 INFO L447 ceAbstractionStarter]: At program point L985(lines 966 988) the Hoare annotation is: true [2019-11-19 21:22:45,458 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)) [2019-11-19 21:22:45,459 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 21:22:45,459 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)) [2019-11-19 21:22:45,459 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)) [2019-11-19 21:22:45,459 INFO L444 ceAbstractionStarter]: For program point L657(lines 657 674) no Hoare annotation was computed. [2019-11-19 21:22:45,459 INFO L444 ceAbstractionStarter]: For program point L657-1(lines 657 674) no Hoare annotation was computed. [2019-11-19 21:22:45,459 INFO L444 ceAbstractionStarter]: For program point L657-2(lines 657 674) no Hoare annotation was computed. [2019-11-19 21:22:45,460 INFO L444 ceAbstractionStarter]: For program point L560(lines 560 573) no Hoare annotation was computed. [2019-11-19 21:22:45,460 INFO L444 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-11-19 21:22:45,460 INFO L444 ceAbstractionStarter]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2019-11-19 21:22:45,460 INFO L444 ceAbstractionStarter]: For program point L131-2(lines 131 137) no Hoare annotation was computed. [2019-11-19 21:22:45,460 INFO L444 ceAbstractionStarter]: For program point L131-3(lines 131 137) no Hoare annotation was computed. [2019-11-19 21:22:45,460 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 21:22:45,461 INFO L444 ceAbstractionStarter]: For program point L131-4(lines 131 137) no Hoare annotation was computed. [2019-11-19 21:22:45,461 INFO L444 ceAbstractionStarter]: For program point L131-5(lines 131 137) no Hoare annotation was computed. [2019-11-19 21:22:45,461 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2019-11-19 21:22:45,461 INFO L444 ceAbstractionStarter]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-11-19 21:22:45,461 INFO L444 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2019-11-19 21:22:45,461 INFO L444 ceAbstractionStarter]: For program point L661(lines 661 669) no Hoare annotation was computed. [2019-11-19 21:22:45,462 INFO L444 ceAbstractionStarter]: For program point L694-2(lines 694 700) no Hoare annotation was computed. [2019-11-19 21:22:45,462 INFO L444 ceAbstractionStarter]: For program point L661-1(lines 661 669) no Hoare annotation was computed. [2019-11-19 21:22:45,462 INFO L444 ceAbstractionStarter]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2019-11-19 21:22:45,462 INFO L444 ceAbstractionStarter]: For program point L694-4(lines 694 700) no Hoare annotation was computed. [2019-11-19 21:22:45,462 INFO L444 ceAbstractionStarter]: For program point L694-6(lines 694 700) no Hoare annotation was computed. [2019-11-19 21:22:45,462 INFO L444 ceAbstractionStarter]: For program point L694-8(lines 694 700) no Hoare annotation was computed. [2019-11-19 21:22:45,463 INFO L444 ceAbstractionStarter]: For program point L694-10(lines 694 700) no Hoare annotation was computed. [2019-11-19 21:22:45,463 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)) [2019-11-19 21:22:45,463 INFO L440 ceAbstractionStarter]: At program point L728-1(lines 723 731) the Hoare annotation is: false [2019-11-19 21:22:45,463 INFO L440 ceAbstractionStarter]: At program point L728-2(lines 723 731) the Hoare annotation is: false [2019-11-19 21:22:45,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:22:45 BoogieIcfgContainer [2019-11-19 21:22:45,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:22:45,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:22:45,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:22:45,497 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:22:45,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:33" (3/4) ... [2019-11-19 21:22:45,505 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 21:22:45,525 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-19 21:22:45,527 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-19 21:22:45,528 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-19 21:22:45,529 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 21:22:45,530 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 21:22:45,531 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 21:22:45,563 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime [2019-11-19 21:22:45,563 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime [2019-11-19 21:22:45,563 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime [2019-11-19 21:22:45,564 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && tmp == 0) && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == \result && (((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel) && 0 == methAndRunningLastTime)) || (((\result == 1 && tmp == 1) && (((0 == methaneLevelCritical && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-19 21:22:45,564 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && tmp == 0) && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == \result && (((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel) && 0 == methAndRunningLastTime)) || (((tmp == 1 && (((\result == 1 && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 1 <= waterLevel) [2019-11-19 21:22:45,565 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 1 <= waterLevel) || (2 <= waterLevel && (((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter)) || (2 <= waterLevel && ((((\result == 1 && tmp == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == methAndRunningLastTime) [2019-11-19 21:22:45,565 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 1 <= waterLevel) || (2 <= waterLevel && (((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter)) || (2 <= waterLevel && ((((\result == 1 && tmp == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == methAndRunningLastTime) [2019-11-19 21:22:45,566 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) || ((((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel)) || ((((((\result == 1 && tmp == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 1 <= waterLevel) [2019-11-19 21:22:45,566 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel) || (2 <= waterLevel && (((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) [2019-11-19 21:22:45,567 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) && 1 <= waterLevel) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel)) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 2 <= waterLevel) [2019-11-19 21:22:45,568 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 1 <= waterLevel) || (((((((\result == 1 && tmp == 1) && 0 == \result) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-11-19 21:22:45,569 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= waterLevel && (((((\result == 1 && \result == 1) && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter) || (2 <= waterLevel && ((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter)) || (2 <= waterLevel && ((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((\result == 1 && ((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) [2019-11-19 21:22:45,569 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 [2019-11-19 21:22:45,570 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) || (((0 == tmp && (!(0 == \result) && !(0 == tmp___0)) && (((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 1 <= waterLevel) [2019-11-19 21:22:45,570 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && ((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter) || ((((((((0 == \result && \result == 1) && tmp == 1) && 0 == tmp___0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel)) || (2 <= waterLevel && ((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (1 <= waterLevel && (0 == \result && ((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp___0) [2019-11-19 21:22:45,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (2 <= waterLevel && (((((\result == 1 && tmp == 1) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (2 <= waterLevel && (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-19 21:22:45,573 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && tmp == 1) && 1 == \result) && pumpRunning == 0) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 2 <= waterLevel) || (2 <= waterLevel && (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-19 21:22:45,660 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 21:22:45,661 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:22:45,662 INFO L168 Benchmark]: Toolchain (without parser) took 14443.06 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 414.2 MB). Free memory was 960.4 MB in the beginning and 892.4 MB in the end (delta: 68.0 MB). Peak memory consumption was 482.1 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:45,663 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:22:45,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -159.8 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:45,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:22:45,664 INFO L168 Benchmark]: Boogie Preprocessor took 63.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:45,664 INFO L168 Benchmark]: RCFGBuilder took 1004.86 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: 63.9 MB). Peak memory consumption was 63.9 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:45,665 INFO L168 Benchmark]: TraceAbstraction took 12470.21 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 275.8 MB). Free memory was 1.0 GB in the beginning and 904.4 MB in the end (delta: 132.0 MB). Peak memory consumption was 414.5 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:45,665 INFO L168 Benchmark]: Witness Printer took 163.84 ms. Allocated memory is still 1.4 GB. Free memory was 904.4 MB in the beginning and 892.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:45,668 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 665.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -159.8 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1004.86 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: 63.9 MB). Peak memory consumption was 63.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12470.21 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 275.8 MB). Free memory was 1.0 GB in the beginning and 904.4 MB in the end (delta: 132.0 MB). Peak memory consumption was 414.5 MB. Max. memory is 11.5 GB. * Witness Printer took 163.84 ms. Allocated memory is still 1.4 GB. Free memory was 904.4 MB in the beginning and 892.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 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: (2 <= waterLevel && (((((\result == 1 && tmp == 1) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (2 <= waterLevel && (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 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) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) || ((((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel)) || ((((((\result == 1 && tmp == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 1 <= waterLevel) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 1 <= waterLevel) || (((((((\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 == 0) && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == \result && (((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel) && 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) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) && 1 <= waterLevel) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel)) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 2 <= waterLevel) - 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: (((2 <= waterLevel && ((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter) || ((((((((0 == \result && \result == 1) && tmp == 1) && 0 == tmp___0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel)) || (2 <= waterLevel && ((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (1 <= waterLevel && (0 == \result && ((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp___0) - 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: (((1 <= waterLevel && (((((\result == 1 && \result == 1) && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter) || (2 <= waterLevel && ((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter)) || (2 <= waterLevel && ((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((\result == 1 && ((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) - 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) || (((0 == tmp && (!(0 == \result) && !(0 == tmp___0)) && (((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 1 <= waterLevel) - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 1 <= waterLevel) || (2 <= waterLevel && (((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter)) || (2 <= waterLevel && ((((\result == 1 && tmp == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == methAndRunningLastTime) - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 1 <= waterLevel) || (2 <= waterLevel && (((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter)) || (2 <= waterLevel && ((((\result == 1 && tmp == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == methAndRunningLastTime) - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && tmp == 1) && 1 == \result) && pumpRunning == 0) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 2 <= waterLevel) || (2 <= waterLevel && (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - 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) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel) || (2 <= waterLevel && (((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) - 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 == 0) && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == \result && (((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel) && 0 == methAndRunningLastTime)) || (((tmp == 1 && (((\result == 1 && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 1 <= waterLevel) - 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: 12.3s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.1s, 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, 1208 HoareAnnotationTreeSize, 56 FomulaSimplifications, 3178212 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 56 FomulaSimplificationsInter, 519758 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s 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...