./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c 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_spec3_product49.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 81d3a03e2badb1d355e733e1f917b69305964186 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:26:08,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:26:08,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:26:08,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:26:08,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:26:08,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:26:08,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:26:08,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:26:08,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:26:08,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:26:08,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:26:08,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:26:08,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:26:08,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:26:08,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:26:08,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:26:08,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:26:08,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:26:08,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:26:08,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:26:08,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:26:08,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:26:08,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:26:08,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:26:08,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:26:08,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:26:08,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:26:08,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:26:08,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:26:08,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:26:08,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:26:08,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:26:08,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:26:08,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:26:08,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:26:08,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:26:08,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:26:08,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:26:08,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:26:08,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:26:08,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:26:08,873 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:26:08,888 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:26:08,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:26:08,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:26:08,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:26:08,890 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:26:08,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:26:08,890 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:26:08,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:26:08,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:26:08,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:26:08,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:26:08,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:26:08,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:26:08,892 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:26:08,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:26:08,892 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:26:08,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:26:08,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:26:08,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:26:08,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:26:08,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:26:08,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:26:08,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:26:08,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:26:08,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:26:08,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:26:08,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:26:08,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:26:08,896 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:26:08,897 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 -> 81d3a03e2badb1d355e733e1f917b69305964186 [2019-11-28 17:26:09,227 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:26:09,242 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:26:09,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:26:09,249 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:26:09,251 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:26:09,252 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c [2019-11-28 17:26:09,319 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/804bd766b/d6cf88f8dd5e41619fe49add0a9ae659/FLAG376f9968c [2019-11-28 17:26:09,796 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:26:09,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c [2019-11-28 17:26:09,812 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/804bd766b/d6cf88f8dd5e41619fe49add0a9ae659/FLAG376f9968c [2019-11-28 17:26:10,149 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/804bd766b/d6cf88f8dd5e41619fe49add0a9ae659 [2019-11-28 17:26:10,153 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:26:10,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:26:10,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:26:10,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:26:10,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:26:10,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:26:10" (1/1) ... [2019-11-28 17:26:10,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b836fe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:10, skipping insertion in model container [2019-11-28 17:26:10,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:26:10" (1/1) ... [2019-11-28 17:26:10,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:26:10,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:26:10,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:26:10,747 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:26:10,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:26:10,893 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:26:10,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:10 WrapperNode [2019-11-28 17:26:10,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:26:10,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:26:10,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:26:10,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:26:10,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:10" (1/1) ... [2019-11-28 17:26:10,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:10" (1/1) ... [2019-11-28 17:26:10,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:26:10,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:26:10,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:26:10,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:26:10,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:10" (1/1) ... [2019-11-28 17:26:10,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:10" (1/1) ... [2019-11-28 17:26:11,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:10" (1/1) ... [2019-11-28 17:26:11,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:10" (1/1) ... [2019-11-28 17:26:11,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:10" (1/1) ... [2019-11-28 17:26:11,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:10" (1/1) ... [2019-11-28 17:26:11,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:10" (1/1) ... [2019-11-28 17:26:11,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:26:11,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:26:11,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:26:11,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:26:11,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:10" (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 17:26:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:26:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:26:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:26:11,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:26:11,959 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:26:11,960 INFO L287 CfgBuilder]: Removed 162 assume(true) statements. [2019-11-28 17:26:11,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:11 BoogieIcfgContainer [2019-11-28 17:26:11,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:26:11,963 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:26:11,963 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:26:11,966 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:26:11,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:26:10" (1/3) ... [2019-11-28 17:26:11,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77528cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:26:11, skipping insertion in model container [2019-11-28 17:26:11,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:10" (2/3) ... [2019-11-28 17:26:11,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77528cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:26:11, skipping insertion in model container [2019-11-28 17:26:11,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:11" (3/3) ... [2019-11-28 17:26:11,971 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product49.cil.c [2019-11-28 17:26:11,982 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:26:11,991 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:26:12,007 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:26:12,045 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:26:12,045 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:26:12,045 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:26:12,047 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:26:12,047 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:26:12,048 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:26:12,049 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:26:12,049 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:26:12,082 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2019-11-28 17:26:12,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 17:26:12,092 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:12,094 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 17:26:12,095 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:12,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:12,103 INFO L82 PathProgramCache]: Analyzing trace with hash 641779472, now seen corresponding path program 1 times [2019-11-28 17:26:12,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:12,115 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872997202] [2019-11-28 17:26:12,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:12,476 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 17:26:12,477 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872997202] [2019-11-28 17:26:12,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:12,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:26:12,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905672561] [2019-11-28 17:26:12,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:26:12,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:12,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:26:12,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:26:12,506 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2019-11-28 17:26:12,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:12,547 INFO L93 Difference]: Finished difference Result 240 states and 365 transitions. [2019-11-28 17:26:12,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:26:12,549 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 17:26:12,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:12,561 INFO L225 Difference]: With dead ends: 240 [2019-11-28 17:26:12,561 INFO L226 Difference]: Without dead ends: 119 [2019-11-28 17:26:12,565 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 17:26:12,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-11-28 17:26:12,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-11-28 17:26:12,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-28 17:26:12,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2019-11-28 17:26:12,618 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 18 [2019-11-28 17:26:12,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:12,618 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2019-11-28 17:26:12,619 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:26:12,619 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2019-11-28 17:26:12,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 17:26:12,620 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:12,620 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 17:26:12,621 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:12,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:12,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1103918604, now seen corresponding path program 1 times [2019-11-28 17:26:12,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:12,622 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078533585] [2019-11-28 17:26:12,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:12,727 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 17:26:12,728 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078533585] [2019-11-28 17:26:12,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:12,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:26:12,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861040731] [2019-11-28 17:26:12,730 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:26:12,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:12,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:26:12,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:12,732 INFO L87 Difference]: Start difference. First operand 119 states and 174 transitions. Second operand 3 states. [2019-11-28 17:26:12,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:12,771 INFO L93 Difference]: Finished difference Result 119 states and 174 transitions. [2019-11-28 17:26:12,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:26:12,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 17:26:12,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:12,775 INFO L225 Difference]: With dead ends: 119 [2019-11-28 17:26:12,777 INFO L226 Difference]: Without dead ends: 49 [2019-11-28 17:26:12,779 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:12,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-28 17:26:12,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-28 17:26:12,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-28 17:26:12,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2019-11-28 17:26:12,798 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2019-11-28 17:26:12,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:12,798 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2019-11-28 17:26:12,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:26:12,799 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2019-11-28 17:26:12,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:26:12,800 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:12,800 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 17:26:12,800 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:12,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:12,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1148023213, now seen corresponding path program 1 times [2019-11-28 17:26:12,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:12,801 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538824074] [2019-11-28 17:26:12,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:12,980 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 17:26:12,981 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538824074] [2019-11-28 17:26:12,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:12,981 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:26:12,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189069388] [2019-11-28 17:26:12,982 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:26:12,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:12,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:26:12,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:26:12,984 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 6 states. [2019-11-28 17:26:13,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:13,102 INFO L93 Difference]: Finished difference Result 92 states and 136 transitions. [2019-11-28 17:26:13,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:26:13,103 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-28 17:26:13,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:13,104 INFO L225 Difference]: With dead ends: 92 [2019-11-28 17:26:13,104 INFO L226 Difference]: Without dead ends: 49 [2019-11-28 17:26:13,105 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 17:26:13,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-28 17:26:13,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-28 17:26:13,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-28 17:26:13,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2019-11-28 17:26:13,112 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2019-11-28 17:26:13,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:13,112 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2019-11-28 17:26:13,112 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:26:13,113 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2019-11-28 17:26:13,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 17:26:13,114 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:13,114 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 17:26:13,114 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:13,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:13,115 INFO L82 PathProgramCache]: Analyzing trace with hash -43063729, now seen corresponding path program 1 times [2019-11-28 17:26:13,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:13,116 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143049246] [2019-11-28 17:26:13,116 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:13,205 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 17:26:13,206 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143049246] [2019-11-28 17:26:13,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:13,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:26:13,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646126251] [2019-11-28 17:26:13,207 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:26:13,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:13,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:26:13,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:13,208 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2019-11-28 17:26:13,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:13,253 INFO L93 Difference]: Finished difference Result 115 states and 167 transitions. [2019-11-28 17:26:13,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:26:13,254 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 17:26:13,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:13,255 INFO L225 Difference]: With dead ends: 115 [2019-11-28 17:26:13,255 INFO L226 Difference]: Without dead ends: 72 [2019-11-28 17:26:13,256 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 17:26:13,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-11-28 17:26:13,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2019-11-28 17:26:13,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-11-28 17:26:13,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 99 transitions. [2019-11-28 17:26:13,266 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 99 transitions. Word has length 26 [2019-11-28 17:26:13,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:13,266 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 99 transitions. [2019-11-28 17:26:13,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:26:13,267 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2019-11-28 17:26:13,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 17:26:13,268 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:13,268 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 17:26:13,268 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:13,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:13,269 INFO L82 PathProgramCache]: Analyzing trace with hash -743213728, now seen corresponding path program 1 times [2019-11-28 17:26:13,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:13,269 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291488431] [2019-11-28 17:26:13,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:13,368 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 17:26:13,369 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291488431] [2019-11-28 17:26:13,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:13,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:26:13,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619436842] [2019-11-28 17:26:13,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:13,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:13,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:13,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:13,372 INFO L87 Difference]: Start difference. First operand 70 states and 99 transitions. Second operand 5 states. [2019-11-28 17:26:13,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:13,460 INFO L93 Difference]: Finished difference Result 187 states and 263 transitions. [2019-11-28 17:26:13,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:26:13,461 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 17:26:13,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:13,462 INFO L225 Difference]: With dead ends: 187 [2019-11-28 17:26:13,463 INFO L226 Difference]: Without dead ends: 123 [2019-11-28 17:26:13,464 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 17:26:13,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-11-28 17:26:13,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 76. [2019-11-28 17:26:13,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-28 17:26:13,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2019-11-28 17:26:13,476 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 105 transitions. Word has length 32 [2019-11-28 17:26:13,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:13,477 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 105 transitions. [2019-11-28 17:26:13,477 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:13,477 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2019-11-28 17:26:13,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 17:26:13,479 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:13,479 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 17:26:13,479 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:13,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:13,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1870609821, now seen corresponding path program 1 times [2019-11-28 17:26:13,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:13,481 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744459467] [2019-11-28 17:26:13,481 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:13,571 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 17:26:13,572 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744459467] [2019-11-28 17:26:13,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:13,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:26:13,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277904968] [2019-11-28 17:26:13,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:13,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:13,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:13,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:13,575 INFO L87 Difference]: Start difference. First operand 76 states and 105 transitions. Second operand 5 states. [2019-11-28 17:26:13,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:13,710 INFO L93 Difference]: Finished difference Result 381 states and 542 transitions. [2019-11-28 17:26:13,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:26:13,711 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 17:26:13,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:13,714 INFO L225 Difference]: With dead ends: 381 [2019-11-28 17:26:13,714 INFO L226 Difference]: Without dead ends: 311 [2019-11-28 17:26:13,715 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:26:13,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2019-11-28 17:26:13,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 123. [2019-11-28 17:26:13,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-11-28 17:26:13,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 167 transitions. [2019-11-28 17:26:13,737 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 167 transitions. Word has length 32 [2019-11-28 17:26:13,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:13,738 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 167 transitions. [2019-11-28 17:26:13,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:13,738 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions. [2019-11-28 17:26:13,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:26:13,742 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:13,742 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 17:26:13,743 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:13,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:13,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1353310945, now seen corresponding path program 1 times [2019-11-28 17:26:13,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:13,747 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884899407] [2019-11-28 17:26:13,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:13,844 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 17:26:13,844 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884899407] [2019-11-28 17:26:13,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:13,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:26:13,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557020107] [2019-11-28 17:26:13,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:13,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:13,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:13,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:13,847 INFO L87 Difference]: Start difference. First operand 123 states and 167 transitions. Second operand 5 states. [2019-11-28 17:26:14,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:14,040 INFO L93 Difference]: Finished difference Result 561 states and 786 transitions. [2019-11-28 17:26:14,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:26:14,041 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 17:26:14,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:14,046 INFO L225 Difference]: With dead ends: 561 [2019-11-28 17:26:14,046 INFO L226 Difference]: Without dead ends: 491 [2019-11-28 17:26:14,047 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:26:14,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2019-11-28 17:26:14,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 185. [2019-11-28 17:26:14,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-11-28 17:26:14,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 251 transitions. [2019-11-28 17:26:14,091 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 251 transitions. Word has length 33 [2019-11-28 17:26:14,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:14,093 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 251 transitions. [2019-11-28 17:26:14,093 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:14,093 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 251 transitions. [2019-11-28 17:26:14,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:26:14,100 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:14,100 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 17:26:14,100 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:14,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:14,101 INFO L82 PathProgramCache]: Analyzing trace with hash 342193695, now seen corresponding path program 1 times [2019-11-28 17:26:14,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:14,102 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216872983] [2019-11-28 17:26:14,102 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:14,161 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 17:26:14,161 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216872983] [2019-11-28 17:26:14,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:14,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:26:14,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620800086] [2019-11-28 17:26:14,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:26:14,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:14,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:26:14,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:26:14,165 INFO L87 Difference]: Start difference. First operand 185 states and 251 transitions. Second operand 4 states. [2019-11-28 17:26:14,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:14,238 INFO L93 Difference]: Finished difference Result 460 states and 634 transitions. [2019-11-28 17:26:14,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:26:14,239 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-11-28 17:26:14,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:14,242 INFO L225 Difference]: With dead ends: 460 [2019-11-28 17:26:14,242 INFO L226 Difference]: Without dead ends: 326 [2019-11-28 17:26:14,244 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:14,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2019-11-28 17:26:14,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 179. [2019-11-28 17:26:14,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2019-11-28 17:26:14,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 243 transitions. [2019-11-28 17:26:14,265 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 243 transitions. Word has length 33 [2019-11-28 17:26:14,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:14,265 INFO L462 AbstractCegarLoop]: Abstraction has 179 states and 243 transitions. [2019-11-28 17:26:14,265 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:26:14,266 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 243 transitions. [2019-11-28 17:26:14,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:26:14,270 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:14,271 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 17:26:14,271 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:14,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:14,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1727755226, now seen corresponding path program 1 times [2019-11-28 17:26:14,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:14,273 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893701880] [2019-11-28 17:26:14,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:14,359 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 17:26:14,361 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893701880] [2019-11-28 17:26:14,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:14,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 17:26:14,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358595679] [2019-11-28 17:26:14,362 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 17:26:14,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:14,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 17:26:14,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:26:14,365 INFO L87 Difference]: Start difference. First operand 179 states and 243 transitions. Second operand 7 states. [2019-11-28 17:26:14,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:14,707 INFO L93 Difference]: Finished difference Result 510 states and 704 transitions. [2019-11-28 17:26:14,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 17:26:14,708 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-28 17:26:14,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:14,711 INFO L225 Difference]: With dead ends: 510 [2019-11-28 17:26:14,711 INFO L226 Difference]: Without dead ends: 337 [2019-11-28 17:26:14,712 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-11-28 17:26:14,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2019-11-28 17:26:14,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 164. [2019-11-28 17:26:14,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-11-28 17:26:14,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 216 transitions. [2019-11-28 17:26:14,733 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 216 transitions. Word has length 33 [2019-11-28 17:26:14,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:14,735 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 216 transitions. [2019-11-28 17:26:14,735 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 17:26:14,735 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 216 transitions. [2019-11-28 17:26:14,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:26:14,737 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:14,738 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 17:26:14,738 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:14,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:14,739 INFO L82 PathProgramCache]: Analyzing trace with hash 600359133, now seen corresponding path program 1 times [2019-11-28 17:26:14,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:14,739 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579743184] [2019-11-28 17:26:14,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:14,882 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 17:26:14,883 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579743184] [2019-11-28 17:26:14,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:14,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 17:26:14,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143310771] [2019-11-28 17:26:14,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 17:26:14,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:14,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 17:26:14,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:26:14,890 INFO L87 Difference]: Start difference. First operand 164 states and 216 transitions. Second operand 7 states. [2019-11-28 17:26:15,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:15,082 INFO L93 Difference]: Finished difference Result 446 states and 594 transitions. [2019-11-28 17:26:15,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:26:15,083 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-28 17:26:15,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:15,085 INFO L225 Difference]: With dead ends: 446 [2019-11-28 17:26:15,085 INFO L226 Difference]: Without dead ends: 288 [2019-11-28 17:26:15,086 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-28 17:26:15,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2019-11-28 17:26:15,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 164. [2019-11-28 17:26:15,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-11-28 17:26:15,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 213 transitions. [2019-11-28 17:26:15,104 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 213 transitions. Word has length 33 [2019-11-28 17:26:15,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:15,105 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 213 transitions. [2019-11-28 17:26:15,105 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 17:26:15,105 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 213 transitions. [2019-11-28 17:26:15,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-28 17:26:15,106 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:15,106 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2019-11-28 17:26:15,106 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:15,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:15,106 INFO L82 PathProgramCache]: Analyzing trace with hash -330933439, now seen corresponding path program 1 times [2019-11-28 17:26:15,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:15,107 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24691052] [2019-11-28 17:26:15,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:15,160 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 17:26:15,160 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24691052] [2019-11-28 17:26:15,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:15,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:26:15,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945251576] [2019-11-28 17:26:15,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:15,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:15,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:15,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:15,162 INFO L87 Difference]: Start difference. First operand 164 states and 213 transitions. Second operand 5 states. [2019-11-28 17:26:15,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:15,290 INFO L93 Difference]: Finished difference Result 865 states and 1121 transitions. [2019-11-28 17:26:15,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:26:15,291 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2019-11-28 17:26:15,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:15,295 INFO L225 Difference]: With dead ends: 865 [2019-11-28 17:26:15,296 INFO L226 Difference]: Without dead ends: 707 [2019-11-28 17:26:15,297 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 17:26:15,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2019-11-28 17:26:15,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 320. [2019-11-28 17:26:15,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2019-11-28 17:26:15,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 407 transitions. [2019-11-28 17:26:15,335 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 407 transitions. Word has length 53 [2019-11-28 17:26:15,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:15,336 INFO L462 AbstractCegarLoop]: Abstraction has 320 states and 407 transitions. [2019-11-28 17:26:15,336 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:15,336 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 407 transitions. [2019-11-28 17:26:15,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-28 17:26:15,338 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:15,338 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] [2019-11-28 17:26:15,339 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:15,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:15,339 INFO L82 PathProgramCache]: Analyzing trace with hash -454216901, now seen corresponding path program 1 times [2019-11-28 17:26:15,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:15,341 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409899116] [2019-11-28 17:26:15,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:15,415 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 17:26:15,416 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409899116] [2019-11-28 17:26:15,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:15,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:26:15,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691398853] [2019-11-28 17:26:15,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:15,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:15,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:15,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:15,417 INFO L87 Difference]: Start difference. First operand 320 states and 407 transitions. Second operand 5 states. [2019-11-28 17:26:15,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:15,502 INFO L93 Difference]: Finished difference Result 724 states and 936 transitions. [2019-11-28 17:26:15,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:26:15,503 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-11-28 17:26:15,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:15,506 INFO L225 Difference]: With dead ends: 724 [2019-11-28 17:26:15,507 INFO L226 Difference]: Without dead ends: 500 [2019-11-28 17:26:15,507 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 17:26:15,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2019-11-28 17:26:15,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 332. [2019-11-28 17:26:15,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2019-11-28 17:26:15,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 419 transitions. [2019-11-28 17:26:15,547 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 419 transitions. Word has length 54 [2019-11-28 17:26:15,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:15,548 INFO L462 AbstractCegarLoop]: Abstraction has 332 states and 419 transitions. [2019-11-28 17:26:15,549 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:15,549 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 419 transitions. [2019-11-28 17:26:15,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-28 17:26:15,550 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:15,550 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] [2019-11-28 17:26:15,551 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:15,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:15,551 INFO L82 PathProgramCache]: Analyzing trace with hash -196051463, now seen corresponding path program 1 times [2019-11-28 17:26:15,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:15,552 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812364018] [2019-11-28 17:26:15,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:15,627 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-28 17:26:15,627 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812364018] [2019-11-28 17:26:15,628 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401752038] [2019-11-28 17:26:15,628 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 17:26:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:15,759 INFO L264 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 17:26:15,767 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:26:15,831 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-28 17:26:15,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:26:15,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2019-11-28 17:26:15,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871585024] [2019-11-28 17:26:15,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 17:26:15,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:15,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 17:26:15,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-11-28 17:26:15,835 INFO L87 Difference]: Start difference. First operand 332 states and 419 transitions. Second operand 10 states. [2019-11-28 17:26:15,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:15,999 INFO L93 Difference]: Finished difference Result 818 states and 1031 transitions. [2019-11-28 17:26:15,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:26:15,999 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2019-11-28 17:26:16,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:16,003 INFO L225 Difference]: With dead ends: 818 [2019-11-28 17:26:16,003 INFO L226 Difference]: Without dead ends: 492 [2019-11-28 17:26:16,004 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2019-11-28 17:26:16,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2019-11-28 17:26:16,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 316. [2019-11-28 17:26:16,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2019-11-28 17:26:16,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 388 transitions. [2019-11-28 17:26:16,042 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 388 transitions. Word has length 54 [2019-11-28 17:26:16,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:16,042 INFO L462 AbstractCegarLoop]: Abstraction has 316 states and 388 transitions. [2019-11-28 17:26:16,042 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 17:26:16,042 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 388 transitions. [2019-11-28 17:26:16,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-28 17:26:16,043 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:16,043 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1] [2019-11-28 17:26:16,249 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:26:16,249 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:16,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:16,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1751298828, now seen corresponding path program 1 times [2019-11-28 17:26:16,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:16,250 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557510673] [2019-11-28 17:26:16,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:16,360 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-28 17:26:16,361 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557510673] [2019-11-28 17:26:16,361 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107700299] [2019-11-28 17:26:16,361 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 17:26:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:16,503 INFO L264 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 17:26:16,518 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:26:16,537 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-28 17:26:16,537 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:26:16,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2019-11-28 17:26:16,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903404584] [2019-11-28 17:26:16,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:26:16,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:16,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:26:16,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:26:16,543 INFO L87 Difference]: Start difference. First operand 316 states and 388 transitions. Second operand 6 states. [2019-11-28 17:26:16,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:16,785 INFO L93 Difference]: Finished difference Result 1099 states and 1376 transitions. [2019-11-28 17:26:16,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:26:16,785 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-11-28 17:26:16,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:16,786 INFO L225 Difference]: With dead ends: 1099 [2019-11-28 17:26:16,786 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:26:16,788 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-11-28 17:26:16,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:26:16,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:26:16,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:26:16,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:26:16,789 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2019-11-28 17:26:16,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:16,789 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:26:16,789 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:26:16,790 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:26:16,790 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:26:17,002 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:26:17,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:26:17,841 WARN L192 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 217 [2019-11-28 17:26:18,060 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 112 [2019-11-28 17:26:18,357 WARN L192 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 138 [2019-11-28 17:26:18,602 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 127 [2019-11-28 17:26:19,331 WARN L192 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 241 [2019-11-28 17:26:19,875 WARN L192 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 240 [2019-11-28 17:26:20,127 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 172 [2019-11-28 17:26:20,271 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 140 [2019-11-28 17:26:20,551 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 181 [2019-11-28 17:26:22,237 WARN L192 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 215 DAG size of output: 44 [2019-11-28 17:26:22,795 WARN L192 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 32 [2019-11-28 17:26:23,002 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 39 [2019-11-28 17:26:23,747 WARN L192 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 38 [2019-11-28 17:26:24,525 WARN L192 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 46 [2019-11-28 17:26:26,413 WARN L192 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 235 DAG size of output: 43 [2019-11-28 17:26:28,471 WARN L192 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 237 DAG size of output: 41 [2019-11-28 17:26:28,998 WARN L192 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 38 [2019-11-28 17:26:29,882 WARN L192 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 52 [2019-11-28 17:26:30,506 WARN L192 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 42 [2019-11-28 17:26:30,612 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2019-11-28 17:26:31,466 WARN L192 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 46 [2019-11-28 17:26:31,471 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2019-11-28 17:26:31,471 INFO L246 CegarLoopResult]: For program point L333(lines 333 346) no Hoare annotation was computed. [2019-11-28 17:26:31,472 INFO L242 CegarLoopResult]: At program point L333-1(lines 1 962) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse3 (<= ~waterLevel~0 1)) (.cse12 (<= 1 ~methaneLevelCritical~0)) (.cse13 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse16 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5)) (.cse9 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse10 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse11 (<= ~waterLevel~0 2)) (.cse4 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5)) (.cse5 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse7 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (= ULTIMATE.start_main_~tmp~9 ~systemActive~0)) (.cse14 (not .cse6)) (.cse15 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 1) (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~3 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse0 .cse10 .cse11 .cse12 .cse5 .cse13 .cse7 .cse8 .cse14 .cse15 .cse16) (and .cse0 .cse3 .cse12 .cse5 .cse13 .cse6 .cse7 .cse8 .cse16) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse0 .cse1 .cse10 .cse2 .cse11 .cse4 .cse5 .cse7 .cse8 .cse14 .cse15)))) [2019-11-28 17:26:31,472 INFO L246 CegarLoopResult]: For program point L333-2(lines 333 346) no Hoare annotation was computed. [2019-11-28 17:26:31,472 INFO L242 CegarLoopResult]: At program point L333-3(lines 1 962) the Hoare annotation is: false [2019-11-28 17:26:31,472 INFO L246 CegarLoopResult]: For program point L333-4(lines 333 346) no Hoare annotation was computed. [2019-11-28 17:26:31,472 INFO L242 CegarLoopResult]: At program point L333-5(lines 1 962) the Hoare annotation is: false [2019-11-28 17:26:31,472 INFO L242 CegarLoopResult]: At program point L169(lines 164 172) the Hoare annotation is: (and (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2) (= 0 ~methaneLevelCritical~0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= ~waterLevel~0 2) (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5) (not (= ~pumpRunning~0 0)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)) (= 1 ULTIMATE.start_main_~tmp~9) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~9 ~systemActive~0)) [2019-11-28 17:26:31,473 INFO L242 CegarLoopResult]: At program point L169-1(lines 164 172) the Hoare annotation is: false [2019-11-28 17:26:31,473 INFO L242 CegarLoopResult]: At program point L169-2(lines 164 172) the Hoare annotation is: false [2019-11-28 17:26:31,473 INFO L246 CegarLoopResult]: For program point L435(lines 435 441) no Hoare annotation was computed. [2019-11-28 17:26:31,473 INFO L246 CegarLoopResult]: For program point L435-1(lines 435 441) no Hoare annotation was computed. [2019-11-28 17:26:31,473 INFO L246 CegarLoopResult]: For program point L435-2(lines 435 441) no Hoare annotation was computed. [2019-11-28 17:26:31,474 INFO L246 CegarLoopResult]: For program point L435-3(lines 435 441) no Hoare annotation was computed. [2019-11-28 17:26:31,474 INFO L246 CegarLoopResult]: For program point L435-4(lines 435 441) no Hoare annotation was computed. [2019-11-28 17:26:31,474 INFO L246 CegarLoopResult]: For program point L435-5(lines 435 441) no Hoare annotation was computed. [2019-11-28 17:26:31,474 INFO L246 CegarLoopResult]: For program point L237(lines 237 241) no Hoare annotation was computed. [2019-11-28 17:26:31,474 INFO L246 CegarLoopResult]: For program point L237-2(lines 237 241) no Hoare annotation was computed. [2019-11-28 17:26:31,475 INFO L246 CegarLoopResult]: For program point L237-3(lines 237 241) no Hoare annotation was computed. [2019-11-28 17:26:31,475 INFO L246 CegarLoopResult]: For program point L237-5(lines 237 241) no Hoare annotation was computed. [2019-11-28 17:26:31,475 INFO L246 CegarLoopResult]: For program point L237-6(lines 237 241) no Hoare annotation was computed. [2019-11-28 17:26:31,475 INFO L246 CegarLoopResult]: For program point L237-8(lines 237 241) no Hoare annotation was computed. [2019-11-28 17:26:31,475 INFO L246 CegarLoopResult]: For program point L370(lines 370 374) no Hoare annotation was computed. [2019-11-28 17:26:31,476 INFO L246 CegarLoopResult]: For program point L337(lines 337 343) no Hoare annotation was computed. [2019-11-28 17:26:31,476 INFO L246 CegarLoopResult]: For program point L271(lines 271 277) no Hoare annotation was computed. [2019-11-28 17:26:31,476 INFO L246 CegarLoopResult]: For program point L337-2(lines 337 343) no Hoare annotation was computed. [2019-11-28 17:26:31,476 INFO L242 CegarLoopResult]: At program point L271-1(lines 271 277) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0))) (let ((.cse0 (= 1 ~systemActive~0)) (.cse10 (<= 1 ~methaneLevelCritical~0)) (.cse11 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse14 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5)) (.cse7 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse8 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse9 (= 1 ULTIMATE.start_main_~tmp~9)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= ULTIMATE.start_main_~tmp~9 ~systemActive~0)) (.cse12 (not .cse4)) (.cse13 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse2 .cse10 .cse3 .cse11 .cse5 .cse6 .cse12 .cse13 .cse14) (and .cse0 .cse2 .cse10 .cse3 .cse11 .cse4 .cse5 .cse6 .cse14) (and .cse7 .cse1 .cse8 .cse9 .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5) .cse3 .cse5 .cse6 .cse12 .cse13)))) [2019-11-28 17:26:31,476 INFO L246 CegarLoopResult]: For program point L337-4(lines 337 343) no Hoare annotation was computed. [2019-11-28 17:26:31,476 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2019-11-28 17:26:31,477 INFO L242 CegarLoopResult]: At program point L307(lines 260 308) the Hoare annotation is: false [2019-11-28 17:26:31,477 INFO L242 CegarLoopResult]: At program point L440(lines 431 444) the Hoare annotation is: false [2019-11-28 17:26:31,477 INFO L242 CegarLoopResult]: At program point L440-1(lines 431 444) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~9)) (.cse3 (<= ~waterLevel~0 2)) (.cse8 (= 1 ~systemActive~0)) (.cse9 (<= ~waterLevel~0 1)) (.cse10 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= ULTIMATE.start_main_~tmp~9 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse9 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse2 .cse3 .cse10 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse10 .cse4 .cse5 .cse6 .cse7))) [2019-11-28 17:26:31,477 INFO L242 CegarLoopResult]: At program point L440-2(lines 431 444) the Hoare annotation is: false [2019-11-28 17:26:31,477 INFO L242 CegarLoopResult]: At program point L440-3(lines 431 444) the Hoare annotation is: false [2019-11-28 17:26:31,477 INFO L242 CegarLoopResult]: At program point L440-4(lines 431 444) the Hoare annotation is: false [2019-11-28 17:26:31,477 INFO L242 CegarLoopResult]: At program point L440-5(lines 431 444) the Hoare annotation is: false [2019-11-28 17:26:31,477 INFO L242 CegarLoopResult]: At program point L870-2(lines 870 884) the Hoare annotation is: false [2019-11-28 17:26:31,478 INFO L242 CegarLoopResult]: At program point L243(lines 228 246) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2)) (.cse2 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse1 (= 1 ULTIMATE.start_main_~tmp~9)) (.cse3 (<= ~waterLevel~0 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= ULTIMATE.start_main_~tmp~9 ~systemActive~0)) (.cse7 (not (= ~pumpRunning~0 0))) (.cse8 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)))) (or (and .cse0 .cse1 .cse2 (= 0 ~methaneLevelCritical~0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse2 .cse1 (<= 1 ~methaneLevelCritical~0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2019-11-28 17:26:31,478 INFO L242 CegarLoopResult]: At program point L243-1(lines 228 246) the Hoare annotation is: false [2019-11-28 17:26:31,478 INFO L242 CegarLoopResult]: At program point L243-2(lines 228 246) the Hoare annotation is: false [2019-11-28 17:26:31,478 INFO L246 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2019-11-28 17:26:31,478 INFO L246 CegarLoopResult]: For program point L874(lines 874 878) no Hoare annotation was computed. [2019-11-28 17:26:31,478 INFO L246 CegarLoopResult]: For program point L874-1(lines 58 64) no Hoare annotation was computed. [2019-11-28 17:26:31,478 INFO L246 CegarLoopResult]: For program point L941(lines 941 948) no Hoare annotation was computed. [2019-11-28 17:26:31,478 INFO L249 CegarLoopResult]: At program point L941-1(lines 941 948) the Hoare annotation is: true [2019-11-28 17:26:31,479 INFO L246 CegarLoopResult]: For program point L281(lines 281 287) no Hoare annotation was computed. [2019-11-28 17:26:31,479 INFO L242 CegarLoopResult]: At program point L281-1(lines 281 287) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 0))) (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse4 (<= ~waterLevel~0 2)) (.cse11 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= ULTIMATE.start_main_~tmp~9 ~systemActive~0)) (.cse8 (not .cse10)) (.cse9 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse1 .cse2 .cse4 .cse5 .cse10 .cse6 .cse7) (and .cse1 .cse4 .cse11 .cse5 .cse10 .cse6 .cse7) (and .cse0 .cse1 .cse3 .cse4 .cse11 .cse5 .cse6 .cse7 .cse8 .cse9)))) [2019-11-28 17:26:31,479 INFO L246 CegarLoopResult]: For program point L116(lines 116 133) no Hoare annotation was computed. [2019-11-28 17:26:31,479 INFO L246 CegarLoopResult]: For program point L116-1(lines 116 133) no Hoare annotation was computed. [2019-11-28 17:26:31,479 INFO L246 CegarLoopResult]: For program point L116-2(lines 116 133) no Hoare annotation was computed. [2019-11-28 17:26:31,479 INFO L242 CegarLoopResult]: At program point L480(lines 1 962) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:26:31,479 INFO L246 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2019-11-28 17:26:31,479 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:26:31,479 INFO L246 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2019-11-28 17:26:31,480 INFO L246 CegarLoopResult]: For program point L218-2(lines 218 222) no Hoare annotation was computed. [2019-11-28 17:26:31,480 INFO L246 CegarLoopResult]: For program point L218-3(lines 218 222) no Hoare annotation was computed. [2019-11-28 17:26:31,480 INFO L246 CegarLoopResult]: For program point L218-5(lines 218 222) no Hoare annotation was computed. [2019-11-28 17:26:31,480 INFO L246 CegarLoopResult]: For program point L218-6(lines 218 222) no Hoare annotation was computed. [2019-11-28 17:26:31,480 INFO L246 CegarLoopResult]: For program point L218-8(lines 218 222) no Hoare annotation was computed. [2019-11-28 17:26:31,480 INFO L246 CegarLoopResult]: For program point L218-9(lines 218 222) no Hoare annotation was computed. [2019-11-28 17:26:31,480 INFO L246 CegarLoopResult]: For program point L218-11(lines 218 222) no Hoare annotation was computed. [2019-11-28 17:26:31,480 INFO L246 CegarLoopResult]: For program point L218-12(lines 218 222) no Hoare annotation was computed. [2019-11-28 17:26:31,481 INFO L246 CegarLoopResult]: For program point L218-14(lines 218 222) no Hoare annotation was computed. [2019-11-28 17:26:31,481 INFO L246 CegarLoopResult]: For program point L218-15(lines 218 222) no Hoare annotation was computed. [2019-11-28 17:26:31,481 INFO L246 CegarLoopResult]: For program point L218-17(lines 218 222) no Hoare annotation was computed. [2019-11-28 17:26:31,481 INFO L242 CegarLoopResult]: At program point L450(lines 445 453) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2)) (.cse2 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse1 (= 1 ULTIMATE.start_main_~tmp~9)) (.cse3 (<= ~waterLevel~0 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= ULTIMATE.start_main_~tmp~9 ~systemActive~0)) (.cse7 (not (= ~pumpRunning~0 0))) (.cse8 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)))) (or (and .cse0 .cse1 .cse2 (= 0 ~methaneLevelCritical~0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse2 .cse1 (<= 1 ~methaneLevelCritical~0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2019-11-28 17:26:31,481 INFO L242 CegarLoopResult]: At program point L450-1(lines 445 453) the Hoare annotation is: false [2019-11-28 17:26:31,481 INFO L242 CegarLoopResult]: At program point L450-2(lines 445 453) the Hoare annotation is: false [2019-11-28 17:26:31,481 INFO L246 CegarLoopResult]: For program point L120(lines 120 128) no Hoare annotation was computed. [2019-11-28 17:26:31,481 INFO L246 CegarLoopResult]: For program point L120-1(lines 120 128) no Hoare annotation was computed. [2019-11-28 17:26:31,481 INFO L246 CegarLoopResult]: For program point L120-2(lines 120 128) no Hoare annotation was computed. [2019-11-28 17:26:31,482 INFO L246 CegarLoopResult]: For program point L90(lines 90 107) no Hoare annotation was computed. [2019-11-28 17:26:31,482 INFO L246 CegarLoopResult]: For program point L90-1(lines 90 107) no Hoare annotation was computed. [2019-11-28 17:26:31,482 INFO L246 CegarLoopResult]: For program point L90-2(lines 90 107) no Hoare annotation was computed. [2019-11-28 17:26:31,482 INFO L246 CegarLoopResult]: For program point L90-3(lines 90 107) no Hoare annotation was computed. [2019-11-28 17:26:31,482 INFO L246 CegarLoopResult]: For program point L90-4(lines 90 107) no Hoare annotation was computed. [2019-11-28 17:26:31,482 INFO L246 CegarLoopResult]: For program point L90-5(lines 90 107) no Hoare annotation was computed. [2019-11-28 17:26:31,482 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:26:31,483 INFO L242 CegarLoopResult]: At program point L58(lines 57 76) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse11 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse7 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2)) (.cse9 (= 1 ULTIMATE.start_main_~tmp~9)) (.cse8 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse10 (<= ~waterLevel~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= ULTIMATE.start_main_~tmp~9 ~systemActive~0)) (.cse12 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse10 .cse11 .cse3 .cse5 .cse6 .cse12) (and .cse0 .cse2 .cse11 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse9 .cse8 .cse1 .cse10 .cse3 .cse5 .cse6 .cse12))) [2019-11-28 17:26:31,483 INFO L246 CegarLoopResult]: For program point L58-1(lines 58 64) no Hoare annotation was computed. [2019-11-28 17:26:31,483 INFO L242 CegarLoopResult]: At program point L58-2(lines 57 76) the Hoare annotation is: false [2019-11-28 17:26:31,483 INFO L242 CegarLoopResult]: At program point L58-3(lines 57 76) the Hoare annotation is: false [2019-11-28 17:26:31,483 INFO L249 CegarLoopResult]: At program point L950(lines 931 953) the Hoare annotation is: true [2019-11-28 17:26:31,483 INFO L242 CegarLoopResult]: At program point L488(lines 483 491) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 17:26:31,483 INFO L242 CegarLoopResult]: At program point L224(lines 209 227) the Hoare annotation is: false [2019-11-28 17:26:31,484 INFO L242 CegarLoopResult]: At program point L224-1(lines 209 227) the Hoare annotation is: (let ((.cse13 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)) (.cse11 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (let ((.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2)) (.cse1 (= 1 ~systemActive~0)) (.cse10 (= 0 ~methaneLevelCritical~0)) (.cse2 (not .cse11)) (.cse15 (<= ~waterLevel~0 2)) (.cse9 (not .cse13)) (.cse12 (= 1 ULTIMATE.start_main_~tmp~9)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= ~waterLevel~0 1)) (.cse5 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (= ULTIMATE.start_main_~tmp~9 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse10 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse11 .cse10 .cse12 .cse4 .cse13 .cse5 .cse6 .cse7 .cse8) (and .cse14 .cse0 .cse1 .cse2 .cse15 .cse3 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse14 .cse0 .cse1 .cse10 .cse2 .cse15 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse11 .cse12 .cse3 .cse4 .cse13 .cse5 .cse6 .cse7 .cse8)))) [2019-11-28 17:26:31,484 INFO L242 CegarLoopResult]: At program point L224-2(lines 209 227) the Hoare annotation is: false [2019-11-28 17:26:31,484 INFO L242 CegarLoopResult]: At program point L224-3(lines 209 227) the Hoare annotation is: false [2019-11-28 17:26:31,484 INFO L242 CegarLoopResult]: At program point L224-4(lines 209 227) the Hoare annotation is: false [2019-11-28 17:26:31,484 INFO L242 CegarLoopResult]: At program point L224-5(lines 209 227) the Hoare annotation is: false [2019-11-28 17:26:31,484 INFO L242 CegarLoopResult]: At program point L918(lines 914 920) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 1 ULTIMATE.start_main_~tmp~9) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~9 ~systemActive~0)) [2019-11-28 17:26:31,484 INFO L246 CegarLoopResult]: For program point L291(lines 291 302) no Hoare annotation was computed. [2019-11-28 17:26:31,484 INFO L246 CegarLoopResult]: For program point L358(lines 358 362) no Hoare annotation was computed. [2019-11-28 17:26:31,485 INFO L246 CegarLoopResult]: For program point L358-3(lines 358 362) no Hoare annotation was computed. [2019-11-28 17:26:31,485 INFO L246 CegarLoopResult]: For program point L358-6(lines 358 362) no Hoare annotation was computed. [2019-11-28 17:26:31,485 INFO L246 CegarLoopResult]: For program point L94(lines 94 102) no Hoare annotation was computed. [2019-11-28 17:26:31,485 INFO L246 CegarLoopResult]: For program point L94-1(lines 94 102) no Hoare annotation was computed. [2019-11-28 17:26:31,485 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:26:31,485 INFO L246 CegarLoopResult]: For program point L94-2(lines 94 102) no Hoare annotation was computed. [2019-11-28 17:26:31,485 INFO L246 CegarLoopResult]: For program point L94-3(lines 94 102) no Hoare annotation was computed. [2019-11-28 17:26:31,485 INFO L246 CegarLoopResult]: For program point L94-4(lines 94 102) no Hoare annotation was computed. [2019-11-28 17:26:31,486 INFO L246 CegarLoopResult]: For program point L94-5(lines 94 102) no Hoare annotation was computed. [2019-11-28 17:26:31,486 INFO L246 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-11-28 17:26:31,486 INFO L246 CegarLoopResult]: For program point L327-2(lines 327 347) no Hoare annotation was computed. [2019-11-28 17:26:31,486 INFO L246 CegarLoopResult]: For program point L327-4(lines 327 347) no Hoare annotation was computed. [2019-11-28 17:26:31,486 INFO L242 CegarLoopResult]: At program point L427(lines 422 430) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= ULTIMATE.start_main_~tmp~9 ~systemActive~0))) (or (and (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2) .cse0 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (= 1 ULTIMATE.start_main_~tmp~9) .cse1 (<= ~waterLevel~0 2) .cse2 .cse3 (not .cse4) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)) .cse5 .cse6) (and (= 1 ~systemActive~0) .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 .cse4 .cse5 .cse6))) [2019-11-28 17:26:31,486 INFO L242 CegarLoopResult]: At program point L427-1(lines 422 430) the Hoare annotation is: false [2019-11-28 17:26:31,486 INFO L242 CegarLoopResult]: At program point L427-2(lines 422 430) the Hoare annotation is: false [2019-11-28 17:26:31,486 INFO L246 CegarLoopResult]: For program point L262(lines 261 306) no Hoare annotation was computed. [2019-11-28 17:26:31,487 INFO L242 CegarLoopResult]: At program point L395(lines 390 398) the Hoare annotation is: (let ((.cse15 (= ~pumpRunning~0 0))) (let ((.cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~9)) (.cse3 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse4 (<= ~waterLevel~0 2)) (.cse12 (<= 1 ~methaneLevelCritical~0)) (.cse14 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse9 (not .cse15)) (.cse10 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))) (.cse11 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse13 (<= ~waterLevel~0 1)) (.cse6 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse7 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (= ULTIMATE.start_main_~tmp~9 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse11 .cse12 .cse13 .cse6 .cse14 .cse15 .cse7 .cse8) (and .cse0 .cse2 .cse3 .cse4 .cse12 .cse6 .cse14 .cse7 .cse8 .cse9 .cse10) (and .cse11 .cse1 .cse5 .cse13 .cse6 .cse15 .cse7 .cse8)))) [2019-11-28 17:26:31,487 INFO L242 CegarLoopResult]: At program point L395-1(lines 390 398) the Hoare annotation is: false [2019-11-28 17:26:31,487 INFO L242 CegarLoopResult]: At program point L395-2(lines 390 398) the Hoare annotation is: false [2019-11-28 17:26:31,487 INFO L246 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2019-11-28 17:26:31,487 INFO L242 CegarLoopResult]: At program point L65(lines 65 71) the Hoare annotation is: (let ((.cse13 (= ~pumpRunning~0 0))) (let ((.cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2)) (.cse2 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse3 (= 1 ULTIMATE.start_main_~tmp~9)) (.cse4 (<= ~waterLevel~0 2)) (.cse11 (<= 1 ~methaneLevelCritical~0)) (.cse8 (not .cse13)) (.cse9 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))) (.cse10 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse12 (<= ~waterLevel~0 1)) (.cse5 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= ULTIMATE.start_main_~tmp~9 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse11 .cse12 .cse5 .cse13 .cse6 .cse7) (and .cse0 .cse2 .cse3 .cse4 .cse11 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse1 .cse12 .cse5 .cse13 .cse6 .cse7)))) [2019-11-28 17:26:31,487 INFO L242 CegarLoopResult]: At program point L65-1(lines 65 71) the Hoare annotation is: false [2019-11-28 17:26:31,488 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:26:31,488 INFO L242 CegarLoopResult]: At program point L65-2(lines 65 71) the Hoare annotation is: false [2019-11-28 17:26:31,488 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2019-11-28 17:26:31,488 INFO L246 CegarLoopResult]: For program point L297(lines 297 301) no Hoare annotation was computed. [2019-11-28 17:26:31,488 INFO L246 CegarLoopResult]: For program point L297-2(lines 58 64) no Hoare annotation was computed. [2019-11-28 17:26:31,488 INFO L246 CegarLoopResult]: For program point L959(line 959) no Hoare annotation was computed. [2019-11-28 17:26:31,488 INFO L246 CegarLoopResult]: For program point L959-1(line 959) no Hoare annotation was computed. [2019-11-28 17:26:31,488 INFO L246 CegarLoopResult]: For program point L959-2(line 959) no Hoare annotation was computed. [2019-11-28 17:26:31,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:26:31 BoogieIcfgContainer [2019-11-28 17:26:31,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:26:31,532 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:26:31,533 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:26:31,533 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:26:31,533 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:11" (3/4) ... [2019-11-28 17:26:31,540 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:26:31,583 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:26:31,585 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:26:31,586 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:26:31,587 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:26:31,588 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:26:31,589 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:26:31,591 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:26:31,625 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-28 17:26:31,626 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == methaneLevelCritical && 1 == tmp) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive [2019-11-28 17:26:31,627 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((1 == systemActive && 0 == methaneLevelCritical) && \result <= 1) && tmp___0 <= 1) && 0 == \result) && waterLevel <= 1) && 0 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) || (((((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 2) && 1 <= methaneLevelCritical) && \result == systemActive) && 1 <= \result) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 <= tmp)) || ((((((((1 == systemActive && waterLevel <= 1) && 1 <= methaneLevelCritical) && \result == systemActive) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) && 1 <= tmp)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive)) || (((((((((((0 == tmp && 1 == systemActive) && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == \result) && waterLevel <= 2) && 0 == tmp) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) [2019-11-28 17:26:31,628 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 2) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) || (((((((((((0 == tmp && !(0 == \result)) && 1 == tmp) && waterLevel <= 2) && 1 <= methaneLevelCritical) && \result == systemActive) && 1 <= \result) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 <= tmp)) || ((((((((1 == systemActive && waterLevel <= 2) && 1 <= methaneLevelCritical) && \result == systemActive) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) && 1 <= tmp)) || (((((((((((0 == tmp && 0 == methaneLevelCritical) && !(0 == \result)) && 1 == tmp) && waterLevel <= 2) && 0 == \result) && 0 == tmp) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) [2019-11-28 17:26:31,629 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((0 == tmp && 1 == systemActive) && 0 == methaneLevelCritical) && !(0 == \result)) && waterLevel <= 2) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 2) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive)) || ((((((1 == systemActive && waterLevel <= 2) && 1 <= methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive)) || (((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 2) && 1 <= methaneLevelCritical) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) [2019-11-28 17:26:31,632 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 2) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) || ((((((((0 == tmp && !(0 == \result)) && 1 == tmp) && waterLevel <= 1) && 1 <= methaneLevelCritical) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(0 == tmp___0))) || ((((((1 == systemActive && waterLevel <= 2) && 1 <= methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive)) || ((((((((0 == tmp && 1 == tmp) && !(0 == \result)) && 0 == methaneLevelCritical) && waterLevel <= 1) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(0 == tmp___0)) [2019-11-28 17:26:31,632 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((0 == tmp && 0 == methaneLevelCritical) && !(0 == \result)) && 1 == tmp) && waterLevel <= 2) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) || ((((((1 == systemActive && 1 <= methaneLevelCritical) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive)) || (((((((((0 == tmp && !(0 == \result)) && 1 == tmp) && waterLevel <= 2) && 1 <= methaneLevelCritical) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0))) || ((((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) [2019-11-28 17:26:31,634 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((0 == tmp && 0 == methaneLevelCritical) && 1 == tmp) && !(0 == \result)) && waterLevel <= 2) && 0 == \result) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) || (((((((1 == systemActive && 1 <= methaneLevelCritical) && waterLevel <= 1) && \result == systemActive) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive)) || ((((((((((0 == tmp && 1 == tmp) && !(0 == \result)) && waterLevel <= 2) && 1 <= methaneLevelCritical) && \result == systemActive) && 1 <= \result) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0))) || (((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) [2019-11-28 17:26:31,635 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == tmp && 1 == tmp) && !(0 == \result)) && 0 == methaneLevelCritical) && waterLevel <= 1) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) || (((((((((0 == tmp && !(0 == \result)) && 1 == tmp) && 1 <= methaneLevelCritical) && waterLevel <= 1) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) [2019-11-28 17:26:31,636 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 0 && 0 == methaneLevelCritical) && 1 == tmp) && waterLevel <= 2) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) || ((((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive)) || (((((((\result == 0 && 1 == tmp) && waterLevel <= 2) && 1 <= methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive)) || ((((((1 == systemActive && waterLevel <= 1) && 1 <= methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) [2019-11-28 17:26:31,642 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((0 == tmp && 0 == methaneLevelCritical) && !(0 == \result)) && 1 == tmp) && 0 == \result) && waterLevel <= 2) && 0 == tmp) && \result == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 0 == splverifierCounter) && tmp == systemActive) || (((((((((1 == systemActive && 0 == methaneLevelCritical) && \result <= 1) && 0 == \result) && waterLevel <= 1) && 0 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) [2019-11-28 17:26:31,643 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == tmp && 1 == tmp) && !(0 == \result)) && 0 == methaneLevelCritical) && waterLevel <= 1) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) || (((((((((0 == tmp && !(0 == \result)) && 1 == tmp) && 1 <= methaneLevelCritical) && waterLevel <= 1) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) [2019-11-28 17:26:31,644 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && 1 <= methaneLevelCritical) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) && !(0 == tmp___0)) || (((((((((0 == tmp && 1 == systemActive) && 0 == methaneLevelCritical) && !(0 == \result)) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) && !(0 == tmp___0))) || ((((((((0 == \result && 0 == methaneLevelCritical) && 1 == tmp) && waterLevel <= 1) && 0 == tmp___0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive)) || ((((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && !(0 == \result)) && waterLevel <= 2) && 1 <= methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) && !(0 == tmp___0))) || ((((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && 0 == methaneLevelCritical) && !(0 == \result)) && waterLevel <= 2) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) && !(0 == tmp___0))) || ((((((((0 == \result && 1 == tmp) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 0 == tmp___0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) [2019-11-28 17:26:31,644 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((0 == tmp && 0 == methaneLevelCritical) && !(\result == 0)) && !(0 == \result)) && 0 == \result) && waterLevel <= 2) && 0 == tmp) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive [2019-11-28 17:26:31,722 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:26:31,723 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:26:31,724 INFO L168 Benchmark]: Toolchain (without parser) took 21570.33 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 488.6 MB). Free memory was 956.3 MB in the beginning and 939.0 MB in the end (delta: 17.4 MB). Peak memory consumption was 506.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:31,725 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:26:31,725 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -159.6 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:31,726 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.87 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:31,726 INFO L168 Benchmark]: Boogie Preprocessor took 73.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:26:31,726 INFO L168 Benchmark]: RCFGBuilder took 908.54 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: 64.3 MB). Peak memory consumption was 64.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:31,727 INFO L168 Benchmark]: TraceAbstraction took 19569.44 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 354.4 MB). Free memory was 1.0 GB in the beginning and 952.6 MB in the end (delta: 92.4 MB). Peak memory consumption was 498.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:31,727 INFO L168 Benchmark]: Witness Printer took 190.33 ms. Allocated memory is still 1.5 GB. Free memory was 952.6 MB in the beginning and 939.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:31,729 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 738.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -159.6 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.87 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 908.54 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: 64.3 MB). Peak memory consumption was 64.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19569.44 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 354.4 MB). Free memory was 1.0 GB in the beginning and 952.6 MB in the end (delta: 92.4 MB). Peak memory consumption was 498.6 MB. Max. memory is 11.5 GB. * Witness Printer took 190.33 ms. Allocated memory is still 1.5 GB. Free memory was 952.6 MB in the beginning and 939.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 959]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 959]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 959]: 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: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 2) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) || ((((((((0 == tmp && !(0 == \result)) && 1 == tmp) && waterLevel <= 1) && 1 <= methaneLevelCritical) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(0 == tmp___0))) || ((((((1 == systemActive && waterLevel <= 2) && 1 <= methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive)) || ((((((((0 == tmp && 1 == tmp) && !(0 == \result)) && 0 == methaneLevelCritical) && waterLevel <= 1) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(0 == tmp___0)) - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: (((((((((\result == 0 && 0 == methaneLevelCritical) && 1 == tmp) && waterLevel <= 2) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) || ((((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive)) || (((((((\result == 0 && 1 == tmp) && waterLevel <= 2) && 1 <= methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive)) || ((((((1 == systemActive && waterLevel <= 1) && 1 <= methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: (((((((((((0 == tmp && 0 == methaneLevelCritical) && !(0 == \result)) && 1 == tmp) && 0 == \result) && waterLevel <= 2) && 0 == tmp) && \result == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 0 == splverifierCounter) && tmp == systemActive) || (((((((((1 == systemActive && 0 == methaneLevelCritical) && \result <= 1) && 0 == \result) && waterLevel <= 1) && 0 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: (((((((((0 == tmp && 1 == tmp) && !(0 == \result)) && 0 == methaneLevelCritical) && waterLevel <= 1) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) || (((((((((0 == tmp && !(0 == \result)) && 1 == tmp) && 1 <= methaneLevelCritical) && waterLevel <= 1) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: (((((((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && 1 <= methaneLevelCritical) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) && !(0 == tmp___0)) || (((((((((0 == tmp && 1 == systemActive) && 0 == methaneLevelCritical) && !(0 == \result)) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) && !(0 == tmp___0))) || ((((((((0 == \result && 0 == methaneLevelCritical) && 1 == tmp) && waterLevel <= 1) && 0 == tmp___0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive)) || ((((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && !(0 == \result)) && waterLevel <= 2) && 1 <= methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) && !(0 == tmp___0))) || ((((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && 0 == methaneLevelCritical) && !(0 == \result)) && waterLevel <= 2) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) && !(0 == tmp___0))) || ((((((((0 == \result && 1 == tmp) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 0 == tmp___0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((((((((((0 == tmp && 0 == methaneLevelCritical) && !(0 == \result)) && 1 == tmp) && waterLevel <= 2) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) || ((((((1 == systemActive && 1 <= methaneLevelCritical) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive)) || (((((((((0 == tmp && !(0 == \result)) && 1 == tmp) && waterLevel <= 2) && 1 <= methaneLevelCritical) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0))) || ((((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: (((((((((((0 == tmp && 1 == systemActive) && 0 == methaneLevelCritical) && !(0 == \result)) && waterLevel <= 2) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 2) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive)) || ((((((1 == systemActive && waterLevel <= 2) && 1 <= methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive)) || (((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 2) && 1 <= methaneLevelCritical) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: (((((((((0 == tmp && 1 == tmp) && !(0 == \result)) && 0 == methaneLevelCritical) && waterLevel <= 1) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) || (((((((((0 == tmp && !(0 == \result)) && 1 == tmp) && 1 <= methaneLevelCritical) && waterLevel <= 1) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((1 == systemActive && 0 == methaneLevelCritical) && \result <= 1) && tmp___0 <= 1) && 0 == \result) && waterLevel <= 1) && 0 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) || (((((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 2) && 1 <= methaneLevelCritical) && \result == systemActive) && 1 <= \result) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 <= tmp)) || ((((((((1 == systemActive && waterLevel <= 1) && 1 <= methaneLevelCritical) && \result == systemActive) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) && 1 <= tmp)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive)) || (((((((((((0 == tmp && 1 == systemActive) && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == \result) && waterLevel <= 2) && 0 == tmp) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: ((((0 == methaneLevelCritical && 1 == tmp) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: ((((((((((((0 == tmp && 0 == methaneLevelCritical) && 1 == tmp) && !(0 == \result)) && waterLevel <= 2) && 0 == \result) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) || (((((((1 == systemActive && 1 <= methaneLevelCritical) && waterLevel <= 1) && \result == systemActive) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive)) || ((((((((((0 == tmp && 1 == tmp) && !(0 == \result)) && waterLevel <= 2) && 1 <= methaneLevelCritical) && \result == systemActive) && 1 <= \result) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0))) || (((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((((((((((0 == tmp && 0 == methaneLevelCritical) && !(\result == 0)) && !(0 == \result)) && 0 == \result) && waterLevel <= 2) && 0 == tmp) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 2) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) || (((((((((((0 == tmp && !(0 == \result)) && 1 == tmp) && waterLevel <= 2) && 1 <= methaneLevelCritical) && \result == systemActive) && 1 <= \result) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 <= tmp)) || ((((((((1 == systemActive && waterLevel <= 2) && 1 <= methaneLevelCritical) && \result == systemActive) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive) && 1 <= tmp)) || (((((((((((0 == tmp && 0 == methaneLevelCritical) && !(0 == \result)) && 1 == tmp) && waterLevel <= 2) && 0 == \result) && 0 == tmp) && \result == systemActive) && 0 == splverifierCounter) && tmp == systemActive) && !(pumpRunning == 0)) && !(0 == tmp___0)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 123 locations, 3 error locations. Result: SAFE, OverallTime: 4.9s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.4s, HoareTripleCheckerStatistics: 1443 SDtfs, 2865 SDslu, 2446 SDs, 0 SdLazy, 373 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 236 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=332occurred in iteration=12, 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, 14 MinimizatonAttempts, 1718 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 342 NumberOfFragments, 1374 HoareAnnotationTreeSize, 45 FomulaSimplifications, 6253323 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 45 FomulaSimplificationsInter, 1363879 FormulaSimplificationTreeSizeReductionInter, 10.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 608 NumberOfCodeBlocks, 608 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 592 ConstructedInterpolants, 0 QuantifiedInterpolants, 53068 SizeOfPredicates, 8 NumberOfNonLiveVariables, 835 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 76/88 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...