./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab 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_product57.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 57406ed1e8515a3807c9750d676c6ccf8b3f94ad .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:21:14,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:21:14,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:21:14,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:21:14,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:21:14,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:21:14,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:21:14,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:21:14,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:21:14,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:21:14,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:21:14,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:21:14,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:21:14,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:21:14,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:21:14,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:21:14,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:21:14,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:21:14,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:21:14,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:21:14,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:21:14,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:21:14,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:21:14,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:21:14,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:21:14,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:21:14,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:21:14,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:21:14,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:21:14,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:21:14,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:21:14,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:21:14,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:21:14,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:21:14,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:21:14,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:21:14,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:21:14,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:21:14,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:21:14,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:21:14,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:21:14,912 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:21:14,926 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:21:14,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:21:14,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:21:14,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:21:14,928 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:21:14,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:21:14,929 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:21:14,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:21:14,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:21:14,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:21:14,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:21:14,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:21:14,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:21:14,930 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:21:14,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:21:14,931 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:21:14,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:21:14,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:21:14,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:21:14,932 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:21:14,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:21:14,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:21:14,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:21:14,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:21:14,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:21:14,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:21:14,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:21:14,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:21:14,934 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 -> 57406ed1e8515a3807c9750d676c6ccf8b3f94ad [2019-11-28 00:21:15,301 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:21:15,322 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:21:15,326 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:21:15,327 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:21:15,328 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:21:15,329 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2019-11-28 00:21:15,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd7c81b6c/6e452988c124499d9225dfe0501a914d/FLAG77ae5156e [2019-11-28 00:21:15,905 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:21:15,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2019-11-28 00:21:15,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd7c81b6c/6e452988c124499d9225dfe0501a914d/FLAG77ae5156e [2019-11-28 00:21:16,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd7c81b6c/6e452988c124499d9225dfe0501a914d [2019-11-28 00:21:16,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:21:16,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:21:16,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:16,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:21:16,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:21:16,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:16" (1/1) ... [2019-11-28 00:21:16,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e4995b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:16, skipping insertion in model container [2019-11-28 00:21:16,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:16" (1/1) ... [2019-11-28 00:21:16,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:21:16,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:21:16,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:16,646 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:21:16,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:16,843 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:21:16,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:16 WrapperNode [2019-11-28 00:21:16,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:16,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:16,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:21:16,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:21:16,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:16" (1/1) ... [2019-11-28 00:21:16,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:16" (1/1) ... [2019-11-28 00:21:16,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:16,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:21:16,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:21:16,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:21:16,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:16" (1/1) ... [2019-11-28 00:21:16,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:16" (1/1) ... [2019-11-28 00:21:16,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:16" (1/1) ... [2019-11-28 00:21:16,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:16" (1/1) ... [2019-11-28 00:21:16,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:16" (1/1) ... [2019-11-28 00:21:16,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:16" (1/1) ... [2019-11-28 00:21:16,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:16" (1/1) ... [2019-11-28 00:21:17,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:21:17,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:21:17,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:21:17,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:21:17,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:16" (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 [2019-11-28 00:21:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:21:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:21:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:21:17,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:21:18,126 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:21:18,126 INFO L297 CfgBuilder]: Removed 194 assume(true) statements. [2019-11-28 00:21:18,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:18 BoogieIcfgContainer [2019-11-28 00:21:18,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:21:18,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:21:18,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:21:18,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:21:18,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:21:16" (1/3) ... [2019-11-28 00:21:18,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d6ddf8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:18, skipping insertion in model container [2019-11-28 00:21:18,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:16" (2/3) ... [2019-11-28 00:21:18,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d6ddf8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:18, skipping insertion in model container [2019-11-28 00:21:18,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:18" (3/3) ... [2019-11-28 00:21:18,135 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product57.cil.c [2019-11-28 00:21:18,145 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:21:18,152 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:21:18,164 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:21:18,186 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:21:18,186 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:21:18,187 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:21:18,187 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:21:18,187 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:21:18,187 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:21:18,188 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:21:18,188 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:21:18,206 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2019-11-28 00:21:18,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 00:21:18,214 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:18,215 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:18,215 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:18,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:18,222 INFO L82 PathProgramCache]: Analyzing trace with hash -859371484, now seen corresponding path program 1 times [2019-11-28 00:21:18,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:18,232 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453944141] [2019-11-28 00:21:18,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:18,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:18,502 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453944141] [2019-11-28 00:21:18,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:18,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:18,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601866813] [2019-11-28 00:21:18,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:21:18,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:18,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:21:18,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:21:18,524 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2019-11-28 00:21:18,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:18,559 INFO L93 Difference]: Finished difference Result 271 states and 408 transitions. [2019-11-28 00:21:18,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:21:18,560 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 00:21:18,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:18,574 INFO L225 Difference]: With dead ends: 271 [2019-11-28 00:21:18,575 INFO L226 Difference]: Without dead ends: 135 [2019-11-28 00:21:18,580 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 [2019-11-28 00:21:18,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-11-28 00:21:18,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2019-11-28 00:21:18,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-11-28 00:21:18,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2019-11-28 00:21:18,631 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 18 [2019-11-28 00:21:18,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:18,632 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2019-11-28 00:21:18,632 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:21:18,632 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2019-11-28 00:21:18,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:21:18,633 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:18,634 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:18,634 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:18,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:18,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1078207453, now seen corresponding path program 1 times [2019-11-28 00:21:18,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:18,635 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291128378] [2019-11-28 00:21:18,636 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:18,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:18,785 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291128378] [2019-11-28 00:21:18,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:18,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:18,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196765079] [2019-11-28 00:21:18,790 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:18,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:18,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:18,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:18,792 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand 3 states. [2019-11-28 00:21:18,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:18,813 INFO L93 Difference]: Finished difference Result 135 states and 196 transitions. [2019-11-28 00:21:18,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:18,817 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 00:21:18,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:18,820 INFO L225 Difference]: With dead ends: 135 [2019-11-28 00:21:18,822 INFO L226 Difference]: Without dead ends: 55 [2019-11-28 00:21:18,823 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 [2019-11-28 00:21:18,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-28 00:21:18,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-28 00:21:18,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-28 00:21:18,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-11-28 00:21:18,833 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2019-11-28 00:21:18,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:18,834 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-11-28 00:21:18,834 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:18,834 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-11-28 00:21:18,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:21:18,835 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:18,836 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] [2019-11-28 00:21:18,836 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:18,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:18,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1475398090, now seen corresponding path program 1 times [2019-11-28 00:21:18,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:18,837 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516143693] [2019-11-28 00:21:18,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:18,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:18,969 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516143693] [2019-11-28 00:21:18,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:18,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:18,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241694938] [2019-11-28 00:21:18,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:21:18,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:18,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:21:18,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:21:18,972 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2019-11-28 00:21:19,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:19,088 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2019-11-28 00:21:19,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:21:19,092 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-28 00:21:19,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:19,093 INFO L225 Difference]: With dead ends: 103 [2019-11-28 00:21:19,093 INFO L226 Difference]: Without dead ends: 55 [2019-11-28 00:21:19,094 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:21:19,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-28 00:21:19,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-28 00:21:19,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-28 00:21:19,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2019-11-28 00:21:19,105 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2019-11-28 00:21:19,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:19,105 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2019-11-28 00:21:19,105 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:21:19,106 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2019-11-28 00:21:19,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:21:19,107 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:19,107 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] [2019-11-28 00:21:19,108 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:19,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:19,108 INFO L82 PathProgramCache]: Analyzing trace with hash 597219871, now seen corresponding path program 1 times [2019-11-28 00:21:19,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:19,109 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240935717] [2019-11-28 00:21:19,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:19,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:19,206 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240935717] [2019-11-28 00:21:19,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:19,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:19,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81718904] [2019-11-28 00:21:19,208 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:19,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:19,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:19,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:19,209 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2019-11-28 00:21:19,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:19,244 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2019-11-28 00:21:19,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:19,244 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 00:21:19,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:19,246 INFO L225 Difference]: With dead ends: 125 [2019-11-28 00:21:19,246 INFO L226 Difference]: Without dead ends: 77 [2019-11-28 00:21:19,247 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 [2019-11-28 00:21:19,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-11-28 00:21:19,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2019-11-28 00:21:19,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-28 00:21:19,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2019-11-28 00:21:19,258 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 26 [2019-11-28 00:21:19,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:19,258 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2019-11-28 00:21:19,258 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:19,259 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2019-11-28 00:21:19,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 00:21:19,260 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:19,260 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] [2019-11-28 00:21:19,260 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:19,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:19,261 INFO L82 PathProgramCache]: Analyzing trace with hash -105705555, now seen corresponding path program 1 times [2019-11-28 00:21:19,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:19,262 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022638519] [2019-11-28 00:21:19,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:19,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:19,371 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022638519] [2019-11-28 00:21:19,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:19,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:19,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477912860] [2019-11-28 00:21:19,372 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:19,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:19,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:19,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:19,373 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2019-11-28 00:21:19,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:19,421 INFO L93 Difference]: Finished difference Result 194 states and 279 transitions. [2019-11-28 00:21:19,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:19,423 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-11-28 00:21:19,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:19,425 INFO L225 Difference]: With dead ends: 194 [2019-11-28 00:21:19,425 INFO L226 Difference]: Without dead ends: 126 [2019-11-28 00:21:19,427 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 [2019-11-28 00:21:19,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-11-28 00:21:19,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2019-11-28 00:21:19,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-28 00:21:19,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2019-11-28 00:21:19,454 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 32 [2019-11-28 00:21:19,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:19,454 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2019-11-28 00:21:19,454 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:19,454 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2019-11-28 00:21:19,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 00:21:19,457 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:19,457 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] [2019-11-28 00:21:19,458 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:19,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:19,458 INFO L82 PathProgramCache]: Analyzing trace with hash 481100459, now seen corresponding path program 1 times [2019-11-28 00:21:19,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:19,459 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736175716] [2019-11-28 00:21:19,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:19,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:19,557 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736175716] [2019-11-28 00:21:19,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:19,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:19,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892974902] [2019-11-28 00:21:19,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:19,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:19,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:19,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:19,560 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 5 states. [2019-11-28 00:21:19,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:19,742 INFO L93 Difference]: Finished difference Result 622 states and 885 transitions. [2019-11-28 00:21:19,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:21:19,743 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 00:21:19,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:19,747 INFO L225 Difference]: With dead ends: 622 [2019-11-28 00:21:19,747 INFO L226 Difference]: Without dead ends: 505 [2019-11-28 00:21:19,749 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 [2019-11-28 00:21:19,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2019-11-28 00:21:19,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 227. [2019-11-28 00:21:19,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2019-11-28 00:21:19,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 314 transitions. [2019-11-28 00:21:19,791 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 314 transitions. Word has length 32 [2019-11-28 00:21:19,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:19,792 INFO L462 AbstractCegarLoop]: Abstraction has 227 states and 314 transitions. [2019-11-28 00:21:19,792 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:19,793 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 314 transitions. [2019-11-28 00:21:19,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:21:19,797 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:19,798 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] [2019-11-28 00:21:19,802 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:19,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:19,803 INFO L82 PathProgramCache]: Analyzing trace with hash 480943923, now seen corresponding path program 1 times [2019-11-28 00:21:19,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:19,803 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251086595] [2019-11-28 00:21:19,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:19,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:19,872 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251086595] [2019-11-28 00:21:19,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:19,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:19,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441078831] [2019-11-28 00:21:19,873 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:19,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:19,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:19,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:19,874 INFO L87 Difference]: Start difference. First operand 227 states and 314 transitions. Second operand 5 states. [2019-11-28 00:21:20,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:20,039 INFO L93 Difference]: Finished difference Result 865 states and 1197 transitions. [2019-11-28 00:21:20,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:21:20,039 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 00:21:20,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:20,043 INFO L225 Difference]: With dead ends: 865 [2019-11-28 00:21:20,043 INFO L226 Difference]: Without dead ends: 645 [2019-11-28 00:21:20,044 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 [2019-11-28 00:21:20,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2019-11-28 00:21:20,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 225. [2019-11-28 00:21:20,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-11-28 00:21:20,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 308 transitions. [2019-11-28 00:21:20,067 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 308 transitions. Word has length 33 [2019-11-28 00:21:20,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:20,068 INFO L462 AbstractCegarLoop]: Abstraction has 225 states and 308 transitions. [2019-11-28 00:21:20,068 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:20,068 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 308 transitions. [2019-11-28 00:21:20,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 00:21:20,070 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:20,070 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] [2019-11-28 00:21:20,071 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:20,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:20,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1552355764, now seen corresponding path program 1 times [2019-11-28 00:21:20,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:20,072 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700509031] [2019-11-28 00:21:20,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:20,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:20,119 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700509031] [2019-11-28 00:21:20,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:20,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:20,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885819046] [2019-11-28 00:21:20,120 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:20,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:20,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:20,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:20,121 INFO L87 Difference]: Start difference. First operand 225 states and 308 transitions. Second operand 5 states. [2019-11-28 00:21:20,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:20,208 INFO L93 Difference]: Finished difference Result 609 states and 825 transitions. [2019-11-28 00:21:20,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:21:20,209 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-28 00:21:20,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:20,211 INFO L225 Difference]: With dead ends: 609 [2019-11-28 00:21:20,211 INFO L226 Difference]: Without dead ends: 391 [2019-11-28 00:21:20,212 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 [2019-11-28 00:21:20,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2019-11-28 00:21:20,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 243. [2019-11-28 00:21:20,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2019-11-28 00:21:20,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 326 transitions. [2019-11-28 00:21:20,239 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 326 transitions. Word has length 36 [2019-11-28 00:21:20,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:20,239 INFO L462 AbstractCegarLoop]: Abstraction has 243 states and 326 transitions. [2019-11-28 00:21:20,239 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:20,240 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2019-11-28 00:21:20,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 00:21:20,241 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:20,241 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] [2019-11-28 00:21:20,242 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:20,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:20,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1731494282, now seen corresponding path program 1 times [2019-11-28 00:21:20,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:20,244 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139050045] [2019-11-28 00:21:20,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:20,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:20,313 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139050045] [2019-11-28 00:21:20,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:20,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:21:20,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072808724] [2019-11-28 00:21:20,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:21:20,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:20,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:21:20,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:21:20,315 INFO L87 Difference]: Start difference. First operand 243 states and 326 transitions. Second operand 6 states. [2019-11-28 00:21:20,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:20,454 INFO L93 Difference]: Finished difference Result 550 states and 732 transitions. [2019-11-28 00:21:20,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:21:20,455 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2019-11-28 00:21:20,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:20,457 INFO L225 Difference]: With dead ends: 550 [2019-11-28 00:21:20,457 INFO L226 Difference]: Without dead ends: 314 [2019-11-28 00:21:20,458 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-28 00:21:20,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2019-11-28 00:21:20,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 204. [2019-11-28 00:21:20,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-11-28 00:21:20,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 267 transitions. [2019-11-28 00:21:20,478 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 267 transitions. Word has length 36 [2019-11-28 00:21:20,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:20,478 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 267 transitions. [2019-11-28 00:21:20,478 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:21:20,478 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 267 transitions. [2019-11-28 00:21:20,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 00:21:20,479 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:20,480 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] [2019-11-28 00:21:20,480 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:20,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:20,481 INFO L82 PathProgramCache]: Analyzing trace with hash -764052856, now seen corresponding path program 1 times [2019-11-28 00:21:20,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:20,481 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588341602] [2019-11-28 00:21:20,481 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:20,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:20,542 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588341602] [2019-11-28 00:21:20,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:20,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:21:20,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596626196] [2019-11-28 00:21:20,543 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:21:20,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:20,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:21:20,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:21:20,544 INFO L87 Difference]: Start difference. First operand 204 states and 267 transitions. Second operand 6 states. [2019-11-28 00:21:20,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:20,785 INFO L93 Difference]: Finished difference Result 615 states and 805 transitions. [2019-11-28 00:21:20,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 00:21:20,786 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-11-28 00:21:20,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:20,790 INFO L225 Difference]: With dead ends: 615 [2019-11-28 00:21:20,790 INFO L226 Difference]: Without dead ends: 418 [2019-11-28 00:21:20,791 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 [2019-11-28 00:21:20,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2019-11-28 00:21:20,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 204. [2019-11-28 00:21:20,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-11-28 00:21:20,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 262 transitions. [2019-11-28 00:21:20,825 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 262 transitions. Word has length 37 [2019-11-28 00:21:20,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:20,826 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 262 transitions. [2019-11-28 00:21:20,826 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:21:20,826 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 262 transitions. [2019-11-28 00:21:20,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 00:21:20,827 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:20,828 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] [2019-11-28 00:21:20,828 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:20,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:20,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1177012586, now seen corresponding path program 1 times [2019-11-28 00:21:20,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:20,829 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338303032] [2019-11-28 00:21:20,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:20,931 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 00:21:20,932 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338303032] [2019-11-28 00:21:20,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:20,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 00:21:20,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163779162] [2019-11-28 00:21:20,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 00:21:20,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:20,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 00:21:20,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:21:20,935 INFO L87 Difference]: Start difference. First operand 204 states and 262 transitions. Second operand 7 states. [2019-11-28 00:21:21,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:21,106 INFO L93 Difference]: Finished difference Result 516 states and 678 transitions. [2019-11-28 00:21:21,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:21:21,107 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-11-28 00:21:21,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:21,109 INFO L225 Difference]: With dead ends: 516 [2019-11-28 00:21:21,110 INFO L226 Difference]: Without dead ends: 369 [2019-11-28 00:21:21,110 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-28 00:21:21,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-11-28 00:21:21,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 210. [2019-11-28 00:21:21,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-11-28 00:21:21,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 268 transitions. [2019-11-28 00:21:21,139 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 268 transitions. Word has length 58 [2019-11-28 00:21:21,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:21,139 INFO L462 AbstractCegarLoop]: Abstraction has 210 states and 268 transitions. [2019-11-28 00:21:21,140 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 00:21:21,140 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 268 transitions. [2019-11-28 00:21:21,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 00:21:21,141 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:21,141 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] [2019-11-28 00:21:21,141 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:21,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:21,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1435178024, now seen corresponding path program 1 times [2019-11-28 00:21:21,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:21,142 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218715446] [2019-11-28 00:21:21,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:21,194 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:21,194 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218715446] [2019-11-28 00:21:21,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:21,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:21,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379983819] [2019-11-28 00:21:21,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:21,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:21,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:21,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:21,197 INFO L87 Difference]: Start difference. First operand 210 states and 268 transitions. Second operand 3 states. [2019-11-28 00:21:21,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:21,248 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2019-11-28 00:21:21,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:21,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-28 00:21:21,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:21,250 INFO L225 Difference]: With dead ends: 331 [2019-11-28 00:21:21,250 INFO L226 Difference]: Without dead ends: 329 [2019-11-28 00:21:21,251 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 [2019-11-28 00:21:21,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2019-11-28 00:21:21,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 236. [2019-11-28 00:21:21,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-11-28 00:21:21,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 307 transitions. [2019-11-28 00:21:21,278 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 307 transitions. Word has length 58 [2019-11-28 00:21:21,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:21,278 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 307 transitions. [2019-11-28 00:21:21,279 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:21,279 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 307 transitions. [2019-11-28 00:21:21,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-28 00:21:21,280 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:21,280 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] [2019-11-28 00:21:21,280 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:21,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:21,281 INFO L82 PathProgramCache]: Analyzing trace with hash 200937625, now seen corresponding path program 1 times [2019-11-28 00:21:21,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:21,281 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731841289] [2019-11-28 00:21:21,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:21,458 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 00:21:21,459 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731841289] [2019-11-28 00:21:21,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:21,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:21,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168943093] [2019-11-28 00:21:21,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:21,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:21,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:21,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:21,461 INFO L87 Difference]: Start difference. First operand 236 states and 307 transitions. Second operand 5 states. [2019-11-28 00:21:21,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:21,891 INFO L93 Difference]: Finished difference Result 641 states and 850 transitions. [2019-11-28 00:21:21,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:21:21,892 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-11-28 00:21:21,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:21,895 INFO L225 Difference]: With dead ends: 641 [2019-11-28 00:21:21,896 INFO L226 Difference]: Without dead ends: 462 [2019-11-28 00:21:21,896 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:21:21,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2019-11-28 00:21:21,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 269. [2019-11-28 00:21:21,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2019-11-28 00:21:21,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 350 transitions. [2019-11-28 00:21:21,941 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 350 transitions. Word has length 82 [2019-11-28 00:21:21,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:21,941 INFO L462 AbstractCegarLoop]: Abstraction has 269 states and 350 transitions. [2019-11-28 00:21:21,941 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:21,942 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 350 transitions. [2019-11-28 00:21:21,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-28 00:21:21,943 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:21,944 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] [2019-11-28 00:21:21,944 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:21,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:21,944 INFO L82 PathProgramCache]: Analyzing trace with hash -820130729, now seen corresponding path program 1 times [2019-11-28 00:21:21,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:21,949 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243976453] [2019-11-28 00:21:21,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:22,053 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:22,053 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243976453] [2019-11-28 00:21:22,054 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431076519] [2019-11-28 00:21:22,055 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 [2019-11-28 00:21:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:22,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 00:21:22,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:21:22,277 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:22,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 00:21:22,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-11-28 00:21:22,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549381355] [2019-11-28 00:21:22,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 00:21:22,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:22,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 00:21:22,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 00:21:22,279 INFO L87 Difference]: Start difference. First operand 269 states and 350 transitions. Second operand 4 states. [2019-11-28 00:21:22,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:22,388 INFO L93 Difference]: Finished difference Result 559 states and 728 transitions. [2019-11-28 00:21:22,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 00:21:22,388 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2019-11-28 00:21:22,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:22,390 INFO L225 Difference]: With dead ends: 559 [2019-11-28 00:21:22,391 INFO L226 Difference]: Without dead ends: 294 [2019-11-28 00:21:22,392 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 [2019-11-28 00:21:22,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-11-28 00:21:22,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 274. [2019-11-28 00:21:22,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2019-11-28 00:21:22,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 342 transitions. [2019-11-28 00:21:22,446 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 342 transitions. Word has length 82 [2019-11-28 00:21:22,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:22,447 INFO L462 AbstractCegarLoop]: Abstraction has 274 states and 342 transitions. [2019-11-28 00:21:22,447 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 00:21:22,447 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 342 transitions. [2019-11-28 00:21:22,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-28 00:21:22,451 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:22,451 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] [2019-11-28 00:21:22,657 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:21:22,657 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:22,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:22,658 INFO L82 PathProgramCache]: Analyzing trace with hash 364797879, now seen corresponding path program 2 times [2019-11-28 00:21:22,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:22,659 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737234009] [2019-11-28 00:21:22,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:22,789 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-28 00:21:22,790 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737234009] [2019-11-28 00:21:22,790 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126867089] [2019-11-28 00:21:22,790 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:21:22,992 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-28 00:21:22,993 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 00:21:22,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 00:21:23,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:21:23,010 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:21:23,031 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-28 00:21:23,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 00:21:23,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-11-28 00:21:23,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248525112] [2019-11-28 00:21:23,032 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:21:23,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:23,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:21:23,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:21:23,033 INFO L87 Difference]: Start difference. First operand 274 states and 342 transitions. Second operand 6 states. [2019-11-28 00:21:23,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:23,186 INFO L93 Difference]: Finished difference Result 608 states and 761 transitions. [2019-11-28 00:21:23,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:21:23,187 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-11-28 00:21:23,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:23,188 INFO L225 Difference]: With dead ends: 608 [2019-11-28 00:21:23,188 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:21:23,189 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:21:23,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:21:23,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:21:23,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:21:23,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:21:23,190 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2019-11-28 00:21:23,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:23,190 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:21:23,190 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:21:23,190 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:21:23,190 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:21:23,391 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:21:23,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:21:23,903 WARN L192 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 179 [2019-11-28 00:21:24,277 WARN L192 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 173 [2019-11-28 00:21:24,560 WARN L192 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 184 [2019-11-28 00:21:24,727 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 142 [2019-11-28 00:21:25,023 WARN L192 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 142 [2019-11-28 00:21:25,325 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 134 [2019-11-28 00:21:25,475 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 137 [2019-11-28 00:21:25,685 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 122 [2019-11-28 00:21:25,883 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 28 [2019-11-28 00:21:26,812 WARN L192 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 29 [2019-11-28 00:21:27,636 WARN L192 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 30 [2019-11-28 00:21:28,544 WARN L192 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 37 [2019-11-28 00:21:29,091 WARN L192 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 34 [2019-11-28 00:21:29,645 WARN L192 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2019-11-28 00:21:29,821 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 22 [2019-11-28 00:21:30,241 WARN L192 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 35 [2019-11-28 00:21:30,717 WARN L192 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 31 [2019-11-28 00:21:30,877 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 25 [2019-11-28 00:21:31,032 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 25 [2019-11-28 00:21:31,253 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 39 [2019-11-28 00:21:31,714 WARN L192 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 32 [2019-11-28 00:21:31,728 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2019-11-28 00:21:31,728 INFO L242 CegarLoopResult]: At program point L201-2(lines 201 215) the Hoare annotation is: false [2019-11-28 00:21:31,728 INFO L246 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-28 00:21:31,728 INFO L246 CegarLoopResult]: For program point L169(lines 169 175) no Hoare annotation was computed. [2019-11-28 00:21:31,728 INFO L246 CegarLoopResult]: For program point L169-1(lines 169 175) no Hoare annotation was computed. [2019-11-28 00:21:31,728 INFO L246 CegarLoopResult]: For program point L169-2(lines 169 175) no Hoare annotation was computed. [2019-11-28 00:21:31,729 INFO L246 CegarLoopResult]: For program point L169-3(lines 169 175) no Hoare annotation was computed. [2019-11-28 00:21:31,729 INFO L246 CegarLoopResult]: For program point L169-4(lines 169 175) no Hoare annotation was computed. [2019-11-28 00:21:31,729 INFO L246 CegarLoopResult]: For program point L169-5(lines 169 175) no Hoare annotation was computed. [2019-11-28 00:21:31,729 INFO L246 CegarLoopResult]: For program point L104(lines 104 108) no Hoare annotation was computed. [2019-11-28 00:21:31,729 INFO L246 CegarLoopResult]: For program point L435(lines 435 441) no Hoare annotation was computed. [2019-11-28 00:21:31,729 INFO L246 CegarLoopResult]: For program point L402(lines 402 410) no Hoare annotation was computed. [2019-11-28 00:21:31,729 INFO L246 CegarLoopResult]: For program point L435-2(lines 435 441) no Hoare annotation was computed. [2019-11-28 00:21:31,729 INFO L246 CegarLoopResult]: For program point L402-1(lines 402 410) no Hoare annotation was computed. [2019-11-28 00:21:31,730 INFO L246 CegarLoopResult]: For program point L402-2(lines 402 410) no Hoare annotation was computed. [2019-11-28 00:21:31,730 INFO L246 CegarLoopResult]: For program point L435-4(lines 435 441) no Hoare annotation was computed. [2019-11-28 00:21:31,730 INFO L246 CegarLoopResult]: For program point L435-6(lines 435 441) no Hoare annotation was computed. [2019-11-28 00:21:31,730 INFO L246 CegarLoopResult]: For program point L435-8(lines 435 441) no Hoare annotation was computed. [2019-11-28 00:21:31,730 INFO L246 CegarLoopResult]: For program point L435-10(lines 435 441) no Hoare annotation was computed. [2019-11-28 00:21:31,730 INFO L246 CegarLoopResult]: For program point L568(lines 568 574) no Hoare annotation was computed. [2019-11-28 00:21:31,731 INFO L242 CegarLoopResult]: At program point L568-1(lines 568 574) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 (<= 2 ~waterLevel~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse6 .cse7 .cse4 (= 1 ~methaneLevelCritical~0) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse7 .cse4 .cse5))) [2019-11-28 00:21:31,731 INFO L242 CegarLoopResult]: At program point L469(lines 464 472) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ULTIMATE.start_main_~tmp~0) (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 ~methaneLevelCritical~0)) [2019-11-28 00:21:31,731 INFO L242 CegarLoopResult]: At program point L469-1(lines 464 472) the Hoare annotation is: false [2019-11-28 00:21:31,731 INFO L242 CegarLoopResult]: At program point L469-2(lines 464 472) the Hoare annotation is: false [2019-11-28 00:21:31,731 INFO L246 CegarLoopResult]: For program point L205(lines 205 209) no Hoare annotation was computed. [2019-11-28 00:21:31,731 INFO L246 CegarLoopResult]: For program point L205-1(lines 340 346) no Hoare annotation was computed. [2019-11-28 00:21:31,732 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:31,732 INFO L246 CegarLoopResult]: For program point L537(lines 537 541) no Hoare annotation was computed. [2019-11-28 00:21:31,732 INFO L246 CegarLoopResult]: For program point L537-2(lines 537 541) no Hoare annotation was computed. [2019-11-28 00:21:31,732 INFO L246 CegarLoopResult]: For program point L537-3(lines 537 541) no Hoare annotation was computed. [2019-11-28 00:21:31,732 INFO L246 CegarLoopResult]: For program point L372(lines 372 389) no Hoare annotation was computed. [2019-11-28 00:21:31,732 INFO L246 CegarLoopResult]: For program point L537-5(lines 537 541) no Hoare annotation was computed. [2019-11-28 00:21:31,732 INFO L246 CegarLoopResult]: For program point L372-1(lines 372 389) no Hoare annotation was computed. [2019-11-28 00:21:31,732 INFO L246 CegarLoopResult]: For program point L537-6(lines 537 541) no Hoare annotation was computed. [2019-11-28 00:21:31,733 INFO L246 CegarLoopResult]: For program point L372-2(lines 372 389) no Hoare annotation was computed. [2019-11-28 00:21:31,733 INFO L246 CegarLoopResult]: For program point L372-3(lines 372 389) no Hoare annotation was computed. [2019-11-28 00:21:31,733 INFO L246 CegarLoopResult]: For program point L537-8(lines 537 541) no Hoare annotation was computed. [2019-11-28 00:21:31,733 INFO L246 CegarLoopResult]: For program point L372-4(lines 372 389) no Hoare annotation was computed. [2019-11-28 00:21:31,733 INFO L246 CegarLoopResult]: For program point L372-5(lines 372 389) no Hoare annotation was computed. [2019-11-28 00:21:31,733 INFO L242 CegarLoopResult]: At program point L174(lines 165 178) the Hoare annotation is: false [2019-11-28 00:21:31,734 INFO L242 CegarLoopResult]: At program point L174-1(lines 165 178) the Hoare annotation is: (let ((.cse7 (= 1 ~systemActive~0)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse9 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse10 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse0 .cse3 .cse9 .cse10 .cse4 .cse5) (and .cse7 .cse8 .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse9 .cse10 .cse4 .cse5 .cse6))) [2019-11-28 00:21:31,734 INFO L242 CegarLoopResult]: At program point L174-2(lines 165 178) the Hoare annotation is: false [2019-11-28 00:21:31,734 INFO L242 CegarLoopResult]: At program point L174-3(lines 165 178) the Hoare annotation is: false [2019-11-28 00:21:31,734 INFO L242 CegarLoopResult]: At program point L174-4(lines 165 178) the Hoare annotation is: false [2019-11-28 00:21:31,734 INFO L242 CegarLoopResult]: At program point L174-5(lines 165 178) the Hoare annotation is: false [2019-11-28 00:21:31,734 INFO L242 CegarLoopResult]: At program point L604(lines 557 605) the Hoare annotation is: false [2019-11-28 00:21:31,734 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2019-11-28 00:21:31,735 INFO L242 CegarLoopResult]: At program point L340(lines 339 358) the Hoare annotation is: (let ((.cse5 (= 1 ~methaneLevelCritical~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 0) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 0 ~methAndRunningLastTime~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2019-11-28 00:21:31,735 INFO L246 CegarLoopResult]: For program point L340-1(lines 340 346) no Hoare annotation was computed. [2019-11-28 00:21:31,735 INFO L242 CegarLoopResult]: At program point L340-2(lines 339 358) the Hoare annotation is: false [2019-11-28 00:21:31,735 INFO L242 CegarLoopResult]: At program point L340-3(lines 339 358) the Hoare annotation is: false [2019-11-28 00:21:31,735 INFO L246 CegarLoopResult]: For program point L309(lines 309 326) no Hoare annotation was computed. [2019-11-28 00:21:31,735 INFO L246 CegarLoopResult]: For program point L276(lines 276 283) no Hoare annotation was computed. [2019-11-28 00:21:31,736 INFO L242 CegarLoopResult]: At program point L309-1(lines 1 986) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 (<= 2 ~waterLevel~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse5 .cse6) (and .cse1 .cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 (<= 1 ~waterLevel~0) .cse4 .cse5 (= 1 ~methaneLevelCritical~0) .cse6))) [2019-11-28 00:21:31,736 INFO L246 CegarLoopResult]: For program point L309-2(lines 309 326) no Hoare annotation was computed. [2019-11-28 00:21:31,736 INFO L249 CegarLoopResult]: At program point L276-1(lines 276 283) the Hoare annotation is: true [2019-11-28 00:21:31,736 INFO L242 CegarLoopResult]: At program point L309-3(lines 1 986) the Hoare annotation is: false [2019-11-28 00:21:31,736 INFO L246 CegarLoopResult]: For program point L309-4(lines 309 326) no Hoare annotation was computed. [2019-11-28 00:21:31,736 INFO L242 CegarLoopResult]: At program point L309-5(lines 1 986) the Hoare annotation is: false [2019-11-28 00:21:31,737 INFO L246 CegarLoopResult]: For program point L376(lines 376 384) no Hoare annotation was computed. [2019-11-28 00:21:31,737 INFO L246 CegarLoopResult]: For program point L376-1(lines 376 384) no Hoare annotation was computed. [2019-11-28 00:21:31,737 INFO L246 CegarLoopResult]: For program point L376-2(lines 376 384) no Hoare annotation was computed. [2019-11-28 00:21:31,737 INFO L246 CegarLoopResult]: For program point L376-3(lines 376 384) no Hoare annotation was computed. [2019-11-28 00:21:31,737 INFO L246 CegarLoopResult]: For program point L376-4(lines 376 384) no Hoare annotation was computed. [2019-11-28 00:21:31,737 INFO L246 CegarLoopResult]: For program point L376-5(lines 376 384) no Hoare annotation was computed. [2019-11-28 00:21:31,737 INFO L242 CegarLoopResult]: At program point L543(lines 528 546) the Hoare annotation is: (let ((.cse0 (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))) (.cse1 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse2 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse4 (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2))) (.cse5 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (let ((.cse9 (= 0 ~waterLevel~0))) (or (and .cse9 (= 1 ULTIMATE.start_isLowWaterLevel_~tmp~6)) (and (not .cse9) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~6))))) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2019-11-28 00:21:31,738 INFO L242 CegarLoopResult]: At program point L543-1(lines 528 546) the Hoare annotation is: false [2019-11-28 00:21:31,738 INFO L242 CegarLoopResult]: At program point L543-2(lines 528 546) the Hoare annotation is: false [2019-11-28 00:21:31,738 INFO L246 CegarLoopResult]: For program point L313(lines 313 323) no Hoare annotation was computed. [2019-11-28 00:21:31,738 INFO L246 CegarLoopResult]: For program point L313-2(lines 313 323) no Hoare annotation was computed. [2019-11-28 00:21:31,738 INFO L246 CegarLoopResult]: For program point L313-4(lines 313 323) no Hoare annotation was computed. [2019-11-28 00:21:31,738 INFO L246 CegarLoopResult]: For program point L578(lines 578 584) no Hoare annotation was computed. [2019-11-28 00:21:31,738 INFO L242 CegarLoopResult]: At program point L578-1(lines 578 584) the Hoare annotation is: (let ((.cse9 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse0 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and (= |ULTIMATE.start_valid_product_#res| 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse0 .cse1 .cse4) (and .cse8 .cse9 .cse0 .cse1 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse0 .cse1 .cse2 .cse3 .cse4 .cse6))) [2019-11-28 00:21:31,738 INFO L242 CegarLoopResult]: At program point L347(lines 347 353) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~systemActive~0) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse5 .cse6 .cse3 (= 1 ~methaneLevelCritical~0)) (and .cse0 .cse1 .cse4 .cse2 .cse5 .cse6 .cse3))) [2019-11-28 00:21:31,739 INFO L246 CegarLoopResult]: For program point L314(lines 314 320) no Hoare annotation was computed. [2019-11-28 00:21:31,739 INFO L242 CegarLoopResult]: At program point L347-1(lines 347 353) the Hoare annotation is: false [2019-11-28 00:21:31,739 INFO L242 CegarLoopResult]: At program point L347-2(lines 347 353) the Hoare annotation is: false [2019-11-28 00:21:31,739 INFO L246 CegarLoopResult]: For program point L314-2(lines 314 320) no Hoare annotation was computed. [2019-11-28 00:21:31,739 INFO L246 CegarLoopResult]: For program point L314-4(lines 314 320) no Hoare annotation was computed. [2019-11-28 00:21:31,739 INFO L246 CegarLoopResult]: For program point L116(lines 116 120) no Hoare annotation was computed. [2019-11-28 00:21:31,739 INFO L242 CegarLoopResult]: At program point L250(lines 246 252) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:31,740 INFO L242 CegarLoopResult]: At program point L184(lines 179 187) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse1 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 00:21:31,740 INFO L242 CegarLoopResult]: At program point L184-1(lines 179 187) the Hoare annotation is: false [2019-11-28 00:21:31,740 INFO L242 CegarLoopResult]: At program point L184-2(lines 179 187) the Hoare annotation is: false [2019-11-28 00:21:31,740 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:21:31,740 INFO L249 CegarLoopResult]: At program point L285(lines 266 288) the Hoare annotation is: true [2019-11-28 00:21:31,740 INFO L246 CegarLoopResult]: For program point L518(lines 518 522) no Hoare annotation was computed. [2019-11-28 00:21:31,740 INFO L246 CegarLoopResult]: For program point L518-2(lines 518 522) no Hoare annotation was computed. [2019-11-28 00:21:31,740 INFO L246 CegarLoopResult]: For program point L518-3(lines 518 522) no Hoare annotation was computed. [2019-11-28 00:21:31,741 INFO L246 CegarLoopResult]: For program point L518-5(lines 518 522) no Hoare annotation was computed. [2019-11-28 00:21:31,741 INFO L246 CegarLoopResult]: For program point L518-6(lines 518 522) no Hoare annotation was computed. [2019-11-28 00:21:31,741 INFO L246 CegarLoopResult]: For program point L518-8(lines 518 522) no Hoare annotation was computed. [2019-11-28 00:21:31,741 INFO L246 CegarLoopResult]: For program point L518-9(lines 518 522) no Hoare annotation was computed. [2019-11-28 00:21:31,741 INFO L246 CegarLoopResult]: For program point L518-11(lines 518 522) no Hoare annotation was computed. [2019-11-28 00:21:31,741 INFO L246 CegarLoopResult]: For program point L518-12(lines 518 522) no Hoare annotation was computed. [2019-11-28 00:21:31,741 INFO L246 CegarLoopResult]: For program point L518-14(lines 518 522) no Hoare annotation was computed. [2019-11-28 00:21:31,741 INFO L246 CegarLoopResult]: For program point L518-15(lines 518 522) no Hoare annotation was computed. [2019-11-28 00:21:31,741 INFO L246 CegarLoopResult]: For program point L518-17(lines 518 522) no Hoare annotation was computed. [2019-11-28 00:21:31,741 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:21:31,742 INFO L246 CegarLoopResult]: For program point L983(line 983) no Hoare annotation was computed. [2019-11-28 00:21:31,742 INFO L246 CegarLoopResult]: For program point L983-1(line 983) no Hoare annotation was computed. [2019-11-28 00:21:31,742 INFO L246 CegarLoopResult]: For program point L983-2(line 983) no Hoare annotation was computed. [2019-11-28 00:21:31,742 INFO L246 CegarLoopResult]: For program point L92(lines 92 96) no Hoare annotation was computed. [2019-11-28 00:21:31,742 INFO L246 CegarLoopResult]: For program point L92-3(lines 92 96) no Hoare annotation was computed. [2019-11-28 00:21:31,742 INFO L246 CegarLoopResult]: For program point L92-6(lines 92 96) no Hoare annotation was computed. [2019-11-28 00:21:31,742 INFO L246 CegarLoopResult]: For program point L588(lines 588 599) no Hoare annotation was computed. [2019-11-28 00:21:31,742 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:21:31,742 INFO L242 CegarLoopResult]: At program point L524(lines 509 527) the Hoare annotation is: false [2019-11-28 00:21:31,743 INFO L242 CegarLoopResult]: At program point L524-1(lines 509 527) the Hoare annotation is: (let ((.cse8 (= 1 ~systemActive~0)) (.cse10 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse7 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse9 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~5))) (.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse11 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse12 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse10 .cse0 .cse11 .cse3 .cse12 .cse4 .cse5) (and .cse8 .cse10 .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse7 .cse9 .cse0 .cse11 .cse2 .cse3 .cse12 .cse4 .cse5 .cse6))) [2019-11-28 00:21:31,743 INFO L242 CegarLoopResult]: At program point L524-2(lines 509 527) the Hoare annotation is: false [2019-11-28 00:21:31,743 INFO L242 CegarLoopResult]: At program point L524-3(lines 509 527) the Hoare annotation is: false [2019-11-28 00:21:31,743 INFO L242 CegarLoopResult]: At program point L524-4(lines 509 527) the Hoare annotation is: false [2019-11-28 00:21:31,743 INFO L242 CegarLoopResult]: At program point L524-5(lines 509 527) the Hoare annotation is: false [2019-11-28 00:21:31,743 INFO L242 CegarLoopResult]: At program point L129(lines 124 132) the Hoare annotation is: false [2019-11-28 00:21:31,743 INFO L242 CegarLoopResult]: At program point L129-1(lines 124 132) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5 (= 1 ~methaneLevelCritical~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse4 .cse5))) [2019-11-28 00:21:31,744 INFO L242 CegarLoopResult]: At program point L129-2(lines 124 132) the Hoare annotation is: (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse7 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse4 .cse5 (= 1 ~methaneLevelCritical~0)) (and .cse6 .cse0 .cse1 .cse7 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse7 .cse2 .cse5))) [2019-11-28 00:21:31,744 INFO L242 CegarLoopResult]: At program point L129-3(lines 124 132) the Hoare annotation is: false [2019-11-28 00:21:31,744 INFO L242 CegarLoopResult]: At program point L129-4(lines 124 132) the Hoare annotation is: false [2019-11-28 00:21:31,744 INFO L242 CegarLoopResult]: At program point L129-5(lines 124 132) the Hoare annotation is: false [2019-11-28 00:21:31,744 INFO L242 CegarLoopResult]: At program point L129-6(lines 124 132) the Hoare annotation is: false [2019-11-28 00:21:31,744 INFO L242 CegarLoopResult]: At program point L129-7(lines 124 132) the Hoare annotation is: false [2019-11-28 00:21:31,744 INFO L242 CegarLoopResult]: At program point L129-8(lines 124 132) the Hoare annotation is: false [2019-11-28 00:21:31,744 INFO L246 CegarLoopResult]: For program point L559(lines 558 603) no Hoare annotation was computed. [2019-11-28 00:21:31,744 INFO L242 CegarLoopResult]: At program point L460(lines 453 463) the Hoare annotation is: false [2019-11-28 00:21:31,745 INFO L242 CegarLoopResult]: At program point L460-1(lines 453 463) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse5 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 00:21:31,745 INFO L242 CegarLoopResult]: At program point L460-2(lines 453 463) the Hoare annotation is: false [2019-11-28 00:21:31,745 INFO L242 CegarLoopResult]: At program point L460-3(lines 453 463) the Hoare annotation is: false [2019-11-28 00:21:31,745 INFO L242 CegarLoopResult]: At program point L460-4(lines 453 463) the Hoare annotation is: false [2019-11-28 00:21:31,745 INFO L242 CegarLoopResult]: At program point L460-5(lines 453 463) the Hoare annotation is: false [2019-11-28 00:21:31,745 INFO L246 CegarLoopResult]: For program point L560(lines 560 564) no Hoare annotation was computed. [2019-11-28 00:21:31,745 INFO L242 CegarLoopResult]: At program point L65(lines 1 986) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:31,746 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:21:31,746 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2019-11-28 00:21:31,746 INFO L246 CegarLoopResult]: For program point L594(lines 594 598) no Hoare annotation was computed. [2019-11-28 00:21:31,746 INFO L246 CegarLoopResult]: For program point L594-2(lines 340 346) no Hoare annotation was computed. [2019-11-28 00:21:31,746 INFO L242 CegarLoopResult]: At program point L298(lines 293 300) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:31,746 INFO L246 CegarLoopResult]: For program point L398(lines 398 415) no Hoare annotation was computed. [2019-11-28 00:21:31,746 INFO L246 CegarLoopResult]: For program point L398-1(lines 398 415) no Hoare annotation was computed. [2019-11-28 00:21:31,746 INFO L246 CegarLoopResult]: For program point L398-2(lines 398 415) no Hoare annotation was computed. [2019-11-28 00:21:31,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:21:31 BoogieIcfgContainer [2019-11-28 00:21:31,810 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:21:31,811 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:21:31,811 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:21:31,811 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:21:31,811 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:18" (3/4) ... [2019-11-28 00:21:31,815 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:21:31,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:21:31,851 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:21:31,853 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:21:31,854 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:21:31,855 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:21:31,856 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:21:31,857 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:21:31,892 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime [2019-11-28 00:21:31,893 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime [2019-11-28 00:21:31,893 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime [2019-11-28 00:21:31,893 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((((((tmp == 0 && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((((tmp == systemActive && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-11-28 00:21:31,894 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((((((tmp == systemActive && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 00:21:31,894 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter)) || ((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 00:21:31,895 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) [2019-11-28 00:21:31,895 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && 0 == splverifierCounter) || ((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:21:31,897 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == systemActive && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && 0 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 1 == tmp) && 0 == \result) && \result == systemActive) && 0 == splverifierCounter) [2019-11-28 00:21:31,897 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == methaneLevelCritical && tmp == systemActive) && 0 == \result) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) || (((((((tmp == systemActive && 0 == \result) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-11-28 00:21:31,898 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 00:21:31,899 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && \result == 0) && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical [2019-11-28 00:21:31,899 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(0 == \result) && tmp == systemActive) && 0 == \result) && 1 == tmp) && !(0 == tmp___0)) && \result == systemActive) && 1 <= waterLevel) && ((0 == waterLevel && 1 == tmp) || (!(0 == waterLevel) && 0 == tmp))) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((((!(0 == \result) && 0 == methaneLevelCritical) && tmp == systemActive) && 0 == \result) && 1 == tmp) && !(0 == tmp___0)) && \result == systemActive) && 1 <= waterLevel) && ((0 == waterLevel && 1 == tmp) || (!(0 == waterLevel) && 0 == tmp))) && 0 == splverifierCounter) [2019-11-28 00:21:31,900 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == methaneLevelCritical) && tmp == systemActive) && 0 == tmp___0) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((((0 == \result && !(0 == tmp)) && tmp == systemActive) && 0 == tmp___0) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 00:21:31,902 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:21:31,902 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 00:21:32,004 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:21:32,007 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:21:32,008 INFO L168 Benchmark]: Toolchain (without parser) took 15839.02 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 393.2 MB). Free memory was 956.3 MB in the beginning and 826.2 MB in the end (delta: 130.2 MB). Peak memory consumption was 523.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:32,009 INFO L168 Benchmark]: CDTParser took 0.25 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. [2019-11-28 00:21:32,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -153.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:32,010 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:32,010 INFO L168 Benchmark]: Boogie Preprocessor took 84.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:32,011 INFO L168 Benchmark]: RCFGBuilder took 1116.14 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: 64.4 MB). Peak memory consumption was 64.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:32,011 INFO L168 Benchmark]: TraceAbstraction took 13681.75 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 264.8 MB). Free memory was 1.0 GB in the beginning and 837.8 MB in the end (delta: 194.4 MB). Peak memory consumption was 461.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:32,012 INFO L168 Benchmark]: Witness Printer took 196.29 ms. Allocated memory is still 1.4 GB. Free memory was 837.8 MB in the beginning and 826.2 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:32,015 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 673.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -153.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 84.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1116.14 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: 64.4 MB). Peak memory consumption was 64.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13681.75 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 264.8 MB). Free memory was 1.0 GB in the beginning and 837.8 MB in the end (delta: 194.4 MB). Peak memory consumption was 461.3 MB. Max. memory is 11.5 GB. * Witness Printer took 196.29 ms. Allocated memory is still 1.4 GB. Free memory was 837.8 MB in the beginning and 826.2 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 983]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 983]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 983]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && 0 == splverifierCounter) || ((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter)) || ((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((((((tmp == systemActive && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: ((((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == methaneLevelCritical) && tmp == systemActive) && 0 == tmp___0) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((((0 == \result && !(0 == tmp)) && tmp == systemActive) && 0 == tmp___0) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && \result == 0) && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: ((((((((tmp == systemActive && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && 0 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 1 == tmp) && 0 == \result) && \result == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((((((tmp == 0 && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((((tmp == systemActive && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && tmp == systemActive) && 0 == \result) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) || (((((((tmp == systemActive && 0 == \result) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: (((((((((!(0 == \result) && tmp == systemActive) && 0 == \result) && 1 == tmp) && !(0 == tmp___0)) && \result == systemActive) && 1 <= waterLevel) && ((0 == waterLevel && 1 == tmp) || (!(0 == waterLevel) && 0 == tmp))) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((((!(0 == \result) && 0 == methaneLevelCritical) && tmp == systemActive) && 0 == \result) && 1 == tmp) && !(0 == tmp___0)) && \result == systemActive) && 1 <= waterLevel) && ((0 == waterLevel && 1 == tmp) || (!(0 == waterLevel) && 0 == tmp))) && 0 == splverifierCounter) - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 139 locations, 3 error locations. Result: SAFE, OverallTime: 5.2s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.3s, HoareTripleCheckerStatistics: 1699 SDtfs, 2443 SDslu, 2675 SDs, 0 SdLazy, 384 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 207 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 1639 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 174 NumberOfFragments, 1054 HoareAnnotationTreeSize, 55 FomulaSimplifications, 4303793 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 55 FomulaSimplificationsInter, 826731 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 821 NumberOfCodeBlocks, 821 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 804 ConstructedInterpolants, 0 QuantifiedInterpolants, 98689 SizeOfPredicates, 5 NumberOfNonLiveVariables, 988 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 246/290 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...