./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0abcca86e101e0402ce9c7a98a1409292a39ee1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 21:22:40,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:22:40,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:22:40,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:22:40,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:22:40,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:22:40,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:22:40,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:22:40,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:22:40,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:22:40,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:22:40,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:22:40,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:22:40,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:22:40,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:22:40,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:22:40,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:22:40,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:22:40,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:22:40,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:22:40,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:22:40,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:22:40,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:22:40,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:22:40,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:22:40,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:22:40,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:22:40,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:22:40,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:22:40,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:22:40,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:22:40,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:22:40,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:22:40,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:22:40,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:22:40,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:22:40,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:22:40,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:22:40,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:22:40,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:22:40,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:22:40,689 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 21:22:40,706 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:22:40,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:22:40,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:22:40,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:22:40,710 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:22:40,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:22:40,711 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:22:40,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:22:40,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:22:40,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:22:40,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:22:40,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:22:40,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:22:40,713 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:22:40,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:22:40,713 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:22:40,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:22:40,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:22:40,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:22:40,715 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:22:40,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:22:40,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:22:40,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:22:40,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:22:40,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:22:40,716 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:22:40,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:22:40,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:22:40,717 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 -> f0abcca86e101e0402ce9c7a98a1409292a39ee1 [2019-11-19 21:22:41,023 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:22:41,044 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:22:41,047 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:22:41,049 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:22:41,049 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:22:41,050 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2019-11-19 21:22:41,118 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b144b897/7fc3c22276f44aebae135af47c7b5d9c/FLAGc464e60eb [2019-11-19 21:22:41,655 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:22:41,660 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2019-11-19 21:22:41,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b144b897/7fc3c22276f44aebae135af47c7b5d9c/FLAGc464e60eb [2019-11-19 21:22:41,958 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b144b897/7fc3c22276f44aebae135af47c7b5d9c [2019-11-19 21:22:41,962 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:22:41,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:22:41,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:22:41,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:22:41,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:22:41,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:22:41" (1/1) ... [2019-11-19 21:22:41,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc2ee1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:41, skipping insertion in model container [2019-11-19 21:22:41,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:22:41" (1/1) ... [2019-11-19 21:22:41,982 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:22:42,023 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:22:42,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:22:42,458 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:22:42,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:22:42,609 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:22:42,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:42 WrapperNode [2019-11-19 21:22:42,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:22:42,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:22:42,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:22:42,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:22:42,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:42" (1/1) ... [2019-11-19 21:22:42,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:42" (1/1) ... [2019-11-19 21:22:42,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:22:42,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:22:42,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:22:42,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:22:42,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:42" (1/1) ... [2019-11-19 21:22:42,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:42" (1/1) ... [2019-11-19 21:22:42,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:42" (1/1) ... [2019-11-19 21:22:42,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:42" (1/1) ... [2019-11-19 21:22:42,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:42" (1/1) ... [2019-11-19 21:22:42,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:42" (1/1) ... [2019-11-19 21:22:42,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:42" (1/1) ... [2019-11-19 21:22:42,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:22:42,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:22:42,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:22:42,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:22:42,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:22:42,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:22:42,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 21:22:42,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:22:42,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:22:43,860 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:22:43,861 INFO L285 CfgBuilder]: Removed 200 assume(true) statements. [2019-11-19 21:22:43,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:43 BoogieIcfgContainer [2019-11-19 21:22:43,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:22:43,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:22:43,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:22:43,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:22:43,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:22:41" (1/3) ... [2019-11-19 21:22:43,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9e3f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:43, skipping insertion in model container [2019-11-19 21:22:43,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:42" (2/3) ... [2019-11-19 21:22:43,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9e3f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:43, skipping insertion in model container [2019-11-19 21:22:43,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:43" (3/3) ... [2019-11-19 21:22:43,875 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product58.cil.c [2019-11-19 21:22:43,886 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:22:43,895 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 21:22:43,908 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 21:22:43,944 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:22:43,944 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:22:43,944 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:22:43,945 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:22:43,945 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:22:43,945 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:22:43,946 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:22:43,946 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:22:43,974 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-11-19 21:22:43,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-19 21:22:43,985 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:43,986 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:43,987 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:43,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:43,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1179839814, now seen corresponding path program 1 times [2019-11-19 21:22:44,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:44,004 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381918060] [2019-11-19 21:22:44,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:44,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:44,246 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381918060] [2019-11-19 21:22:44,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:44,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:22:44,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284500248] [2019-11-19 21:22:44,254 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:22:44,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:44,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:22:44,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:22:44,272 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2019-11-19 21:22:44,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:44,312 INFO L93 Difference]: Finished difference Result 276 states and 413 transitions. [2019-11-19 21:22:44,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:22:44,314 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-19 21:22:44,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:44,328 INFO L225 Difference]: With dead ends: 276 [2019-11-19 21:22:44,328 INFO L226 Difference]: Without dead ends: 137 [2019-11-19 21:22:44,333 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:22:44,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-19 21:22:44,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-11-19 21:22:44,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-19 21:22:44,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 198 transitions. [2019-11-19 21:22:44,386 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 198 transitions. Word has length 18 [2019-11-19 21:22:44,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:44,387 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 198 transitions. [2019-11-19 21:22:44,387 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:22:44,387 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2019-11-19 21:22:44,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 21:22:44,391 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:44,391 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:44,392 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:44,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:44,392 INFO L82 PathProgramCache]: Analyzing trace with hash -2090870567, now seen corresponding path program 1 times [2019-11-19 21:22:44,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:44,394 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239123] [2019-11-19 21:22:44,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:44,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:44,566 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239123] [2019-11-19 21:22:44,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:44,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:22:44,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889149505] [2019-11-19 21:22:44,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:44,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:44,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:44,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:44,579 INFO L87 Difference]: Start difference. First operand 137 states and 198 transitions. Second operand 3 states. [2019-11-19 21:22:44,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:44,602 INFO L93 Difference]: Finished difference Result 137 states and 198 transitions. [2019-11-19 21:22:44,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:44,605 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-19 21:22:44,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:44,607 INFO L225 Difference]: With dead ends: 137 [2019-11-19 21:22:44,608 INFO L226 Difference]: Without dead ends: 55 [2019-11-19 21:22:44,610 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:44,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-19 21:22:44,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-19 21:22:44,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-19 21:22:44,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-11-19 21:22:44,625 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2019-11-19 21:22:44,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:44,626 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-11-19 21:22:44,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:44,626 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-11-19 21:22:44,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 21:22:44,628 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:44,628 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:44,628 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:44,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:44,629 INFO L82 PathProgramCache]: Analyzing trace with hash -917137565, now seen corresponding path program 1 times [2019-11-19 21:22:44,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:44,630 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211586796] [2019-11-19 21:22:44,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:44,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:44,761 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211586796] [2019-11-19 21:22:44,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:44,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:22:44,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64272206] [2019-11-19 21:22:44,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:44,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:44,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:44,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:44,765 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 5 states. [2019-11-19 21:22:44,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:44,851 INFO L93 Difference]: Finished difference Result 104 states and 152 transitions. [2019-11-19 21:22:44,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 21:22:44,852 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-19 21:22:44,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:44,855 INFO L225 Difference]: With dead ends: 104 [2019-11-19 21:22:44,855 INFO L226 Difference]: Without dead ends: 55 [2019-11-19 21:22:44,857 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-19 21:22:44,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-19 21:22:44,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-19 21:22:44,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-19 21:22:44,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2019-11-19 21:22:44,870 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2019-11-19 21:22:44,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:44,871 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2019-11-19 21:22:44,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:44,872 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2019-11-19 21:22:44,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 21:22:44,873 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:44,873 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:44,874 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:44,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:44,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1642774406, now seen corresponding path program 1 times [2019-11-19 21:22:44,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:44,875 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136662673] [2019-11-19 21:22:44,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:44,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:44,951 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136662673] [2019-11-19 21:22:44,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:44,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:22:44,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519689779] [2019-11-19 21:22:44,952 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:44,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:44,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:44,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:44,953 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2019-11-19 21:22:44,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:44,999 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2019-11-19 21:22:45,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:45,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-19 21:22:45,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:45,002 INFO L225 Difference]: With dead ends: 127 [2019-11-19 21:22:45,002 INFO L226 Difference]: Without dead ends: 78 [2019-11-19 21:22:45,003 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:45,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-11-19 21:22:45,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2019-11-19 21:22:45,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-19 21:22:45,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 107 transitions. [2019-11-19 21:22:45,013 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 107 transitions. Word has length 26 [2019-11-19 21:22:45,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:45,013 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 107 transitions. [2019-11-19 21:22:45,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:45,014 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2019-11-19 21:22:45,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 21:22:45,015 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:45,015 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:45,015 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:45,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:45,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1904097010, now seen corresponding path program 1 times [2019-11-19 21:22:45,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:45,016 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150702274] [2019-11-19 21:22:45,017 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:45,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:45,079 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150702274] [2019-11-19 21:22:45,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:45,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:22:45,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384479317] [2019-11-19 21:22:45,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:45,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:45,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:45,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:45,081 INFO L87 Difference]: Start difference. First operand 76 states and 107 transitions. Second operand 5 states. [2019-11-19 21:22:45,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:45,209 INFO L93 Difference]: Finished difference Result 381 states and 553 transitions. [2019-11-19 21:22:45,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 21:22:45,209 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-19 21:22:45,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:45,212 INFO L225 Difference]: With dead ends: 381 [2019-11-19 21:22:45,213 INFO L226 Difference]: Without dead ends: 311 [2019-11-19 21:22:45,214 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 [2019-11-19 21:22:45,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2019-11-19 21:22:45,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 123. [2019-11-19 21:22:45,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-11-19 21:22:45,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 170 transitions. [2019-11-19 21:22:45,235 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 170 transitions. Word has length 32 [2019-11-19 21:22:45,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:45,236 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 170 transitions. [2019-11-19 21:22:45,236 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:45,236 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 170 transitions. [2019-11-19 21:22:45,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 21:22:45,238 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:45,238 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:45,239 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:45,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:45,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1319823756, now seen corresponding path program 1 times [2019-11-19 21:22:45,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:45,240 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093891454] [2019-11-19 21:22:45,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:45,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:45,351 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093891454] [2019-11-19 21:22:45,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:45,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:22:45,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170240951] [2019-11-19 21:22:45,354 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:45,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:45,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:45,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:45,356 INFO L87 Difference]: Start difference. First operand 123 states and 170 transitions. Second operand 5 states. [2019-11-19 21:22:45,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:45,541 INFO L93 Difference]: Finished difference Result 561 states and 803 transitions. [2019-11-19 21:22:45,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 21:22:45,542 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-19 21:22:45,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:45,546 INFO L225 Difference]: With dead ends: 561 [2019-11-19 21:22:45,546 INFO L226 Difference]: Without dead ends: 491 [2019-11-19 21:22:45,548 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 [2019-11-19 21:22:45,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2019-11-19 21:22:45,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 185. [2019-11-19 21:22:45,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-11-19 21:22:45,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 256 transitions. [2019-11-19 21:22:45,584 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 256 transitions. Word has length 33 [2019-11-19 21:22:45,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:45,584 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 256 transitions. [2019-11-19 21:22:45,584 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:45,585 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 256 transitions. [2019-11-19 21:22:45,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 21:22:45,586 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:45,587 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:45,587 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:45,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:45,588 INFO L82 PathProgramCache]: Analyzing trace with hash 308706506, now seen corresponding path program 1 times [2019-11-19 21:22:45,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:45,588 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983386267] [2019-11-19 21:22:45,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:45,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:45,642 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983386267] [2019-11-19 21:22:45,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:45,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:22:45,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866887792] [2019-11-19 21:22:45,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 21:22:45,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:45,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 21:22:45,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 21:22:45,645 INFO L87 Difference]: Start difference. First operand 185 states and 256 transitions. Second operand 4 states. [2019-11-19 21:22:45,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:45,725 INFO L93 Difference]: Finished difference Result 569 states and 796 transitions. [2019-11-19 21:22:45,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 21:22:45,725 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-11-19 21:22:45,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:45,728 INFO L225 Difference]: With dead ends: 569 [2019-11-19 21:22:45,728 INFO L226 Difference]: Without dead ends: 435 [2019-11-19 21:22:45,729 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:45,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2019-11-19 21:22:45,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 185. [2019-11-19 21:22:45,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-11-19 21:22:45,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 254 transitions. [2019-11-19 21:22:45,747 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 254 transitions. Word has length 33 [2019-11-19 21:22:45,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:45,748 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 254 transitions. [2019-11-19 21:22:45,748 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 21:22:45,748 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 254 transitions. [2019-11-19 21:22:45,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 21:22:45,749 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:45,749 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:45,750 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:45,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:45,750 INFO L82 PathProgramCache]: Analyzing trace with hash 566871944, now seen corresponding path program 1 times [2019-11-19 21:22:45,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:45,750 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042276823] [2019-11-19 21:22:45,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:45,820 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042276823] [2019-11-19 21:22:45,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:45,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 21:22:45,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779185922] [2019-11-19 21:22:45,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 21:22:45,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:45,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 21:22:45,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-19 21:22:45,822 INFO L87 Difference]: Start difference. First operand 185 states and 254 transitions. Second operand 7 states. [2019-11-19 21:22:46,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:46,045 INFO L93 Difference]: Finished difference Result 710 states and 987 transitions. [2019-11-19 21:22:46,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 21:22:46,046 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-19 21:22:46,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:46,049 INFO L225 Difference]: With dead ends: 710 [2019-11-19 21:22:46,049 INFO L226 Difference]: Without dead ends: 531 [2019-11-19 21:22:46,050 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-19 21:22:46,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2019-11-19 21:22:46,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 194. [2019-11-19 21:22:46,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-11-19 21:22:46,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 261 transitions. [2019-11-19 21:22:46,072 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 261 transitions. Word has length 33 [2019-11-19 21:22:46,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:46,072 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 261 transitions. [2019-11-19 21:22:46,072 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 21:22:46,073 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 261 transitions. [2019-11-19 21:22:46,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 21:22:46,074 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:46,074 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:46,074 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:46,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:46,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1083058712, now seen corresponding path program 1 times [2019-11-19 21:22:46,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:46,075 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608604024] [2019-11-19 21:22:46,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:46,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:46,134 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608604024] [2019-11-19 21:22:46,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:46,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:22:46,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832972321] [2019-11-19 21:22:46,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 21:22:46,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:46,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 21:22:46,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:22:46,136 INFO L87 Difference]: Start difference. First operand 194 states and 261 transitions. Second operand 6 states. [2019-11-19 21:22:46,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:46,436 INFO L93 Difference]: Finished difference Result 1521 states and 2031 transitions. [2019-11-19 21:22:46,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-19 21:22:46,437 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2019-11-19 21:22:46,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:46,444 INFO L225 Difference]: With dead ends: 1521 [2019-11-19 21:22:46,444 INFO L226 Difference]: Without dead ends: 1333 [2019-11-19 21:22:46,445 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-11-19 21:22:46,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1333 states. [2019-11-19 21:22:46,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1333 to 380. [2019-11-19 21:22:46,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2019-11-19 21:22:46,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 504 transitions. [2019-11-19 21:22:46,497 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 504 transitions. Word has length 36 [2019-11-19 21:22:46,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:46,498 INFO L462 AbstractCegarLoop]: Abstraction has 380 states and 504 transitions. [2019-11-19 21:22:46,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 21:22:46,498 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 504 transitions. [2019-11-19 21:22:46,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 21:22:46,499 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:46,500 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:46,500 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:46,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:46,500 INFO L82 PathProgramCache]: Analyzing trace with hash -403000342, now seen corresponding path program 1 times [2019-11-19 21:22:46,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:46,501 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252581952] [2019-11-19 21:22:46,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:46,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:46,548 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252581952] [2019-11-19 21:22:46,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:46,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:22:46,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119497468] [2019-11-19 21:22:46,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:46,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:46,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:46,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:46,550 INFO L87 Difference]: Start difference. First operand 380 states and 504 transitions. Second operand 5 states. [2019-11-19 21:22:46,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:46,748 INFO L93 Difference]: Finished difference Result 1004 states and 1359 transitions. [2019-11-19 21:22:46,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 21:22:46,749 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-19 21:22:46,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:46,752 INFO L225 Difference]: With dead ends: 1004 [2019-11-19 21:22:46,753 INFO L226 Difference]: Without dead ends: 630 [2019-11-19 21:22:46,754 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-19 21:22:46,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2019-11-19 21:22:46,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 338. [2019-11-19 21:22:46,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2019-11-19 21:22:46,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 438 transitions. [2019-11-19 21:22:46,793 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 438 transitions. Word has length 36 [2019-11-19 21:22:46,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:46,794 INFO L462 AbstractCegarLoop]: Abstraction has 338 states and 438 transitions. [2019-11-19 21:22:46,794 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:46,794 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 438 transitions. [2019-11-19 21:22:46,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 21:22:46,796 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:46,796 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:46,796 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:46,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:46,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1138138450, now seen corresponding path program 1 times [2019-11-19 21:22:46,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:46,797 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469967009] [2019-11-19 21:22:46,797 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:46,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:46,866 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469967009] [2019-11-19 21:22:46,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:46,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 21:22:46,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237193443] [2019-11-19 21:22:46,867 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 21:22:46,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:46,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 21:22:46,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-19 21:22:46,868 INFO L87 Difference]: Start difference. First operand 338 states and 438 transitions. Second operand 7 states. [2019-11-19 21:22:47,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:47,160 INFO L93 Difference]: Finished difference Result 1049 states and 1355 transitions. [2019-11-19 21:22:47,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-19 21:22:47,161 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2019-11-19 21:22:47,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:47,167 INFO L225 Difference]: With dead ends: 1049 [2019-11-19 21:22:47,167 INFO L226 Difference]: Without dead ends: 717 [2019-11-19 21:22:47,169 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2019-11-19 21:22:47,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2019-11-19 21:22:47,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 322. [2019-11-19 21:22:47,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2019-11-19 21:22:47,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 407 transitions. [2019-11-19 21:22:47,215 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 407 transitions. Word has length 37 [2019-11-19 21:22:47,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:47,216 INFO L462 AbstractCegarLoop]: Abstraction has 322 states and 407 transitions. [2019-11-19 21:22:47,216 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 21:22:47,216 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 407 transitions. [2019-11-19 21:22:47,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-19 21:22:47,218 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:47,218 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, 1, 1, 1] [2019-11-19 21:22:47,218 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:47,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:47,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1478001787, now seen corresponding path program 1 times [2019-11-19 21:22:47,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:47,220 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873198626] [2019-11-19 21:22:47,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:47,321 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:47,321 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873198626] [2019-11-19 21:22:47,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:47,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:22:47,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305089828] [2019-11-19 21:22:47,323 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:47,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:47,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:47,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:47,324 INFO L87 Difference]: Start difference. First operand 322 states and 407 transitions. Second operand 5 states. [2019-11-19 21:22:47,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:47,466 INFO L93 Difference]: Finished difference Result 838 states and 1060 transitions. [2019-11-19 21:22:47,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 21:22:47,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2019-11-19 21:22:47,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:47,470 INFO L225 Difference]: With dead ends: 838 [2019-11-19 21:22:47,470 INFO L226 Difference]: Without dead ends: 522 [2019-11-19 21:22:47,471 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 [2019-11-19 21:22:47,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2019-11-19 21:22:47,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 322. [2019-11-19 21:22:47,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2019-11-19 21:22:47,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 401 transitions. [2019-11-19 21:22:47,525 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 401 transitions. Word has length 56 [2019-11-19 21:22:47,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:47,526 INFO L462 AbstractCegarLoop]: Abstraction has 322 states and 401 transitions. [2019-11-19 21:22:47,527 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:47,527 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 401 transitions. [2019-11-19 21:22:47,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-19 21:22:47,528 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:47,529 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, 1, 1, 1] [2019-11-19 21:22:47,529 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:47,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:47,530 INFO L82 PathProgramCache]: Analyzing trace with hash 458072168, now seen corresponding path program 1 times [2019-11-19 21:22:47,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:47,530 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734961382] [2019-11-19 21:22:47,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:47,608 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 21:22:47,609 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734961382] [2019-11-19 21:22:47,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:47,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:22:47,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691341185] [2019-11-19 21:22:47,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:47,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:47,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:47,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:47,615 INFO L87 Difference]: Start difference. First operand 322 states and 401 transitions. Second operand 5 states. [2019-11-19 21:22:47,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:47,744 INFO L93 Difference]: Finished difference Result 714 states and 901 transitions. [2019-11-19 21:22:47,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 21:22:47,746 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-11-19 21:22:47,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:47,751 INFO L225 Difference]: With dead ends: 714 [2019-11-19 21:22:47,751 INFO L226 Difference]: Without dead ends: 490 [2019-11-19 21:22:47,753 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-19 21:22:47,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2019-11-19 21:22:47,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 334. [2019-11-19 21:22:47,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2019-11-19 21:22:47,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 413 transitions. [2019-11-19 21:22:47,844 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 413 transitions. Word has length 58 [2019-11-19 21:22:47,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:47,844 INFO L462 AbstractCegarLoop]: Abstraction has 334 states and 413 transitions. [2019-11-19 21:22:47,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:47,845 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 413 transitions. [2019-11-19 21:22:47,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-19 21:22:47,848 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:47,849 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, 1, 1, 1] [2019-11-19 21:22:47,849 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:47,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:47,850 INFO L82 PathProgramCache]: Analyzing trace with hash 716237606, now seen corresponding path program 1 times [2019-11-19 21:22:47,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:47,855 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004818211] [2019-11-19 21:22:47,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:47,965 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-19 21:22:47,965 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004818211] [2019-11-19 21:22:47,967 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489545582] [2019-11-19 21:22:47,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:22:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:48,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-19 21:22:48,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:22:48,174 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-19 21:22:48,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 21:22:48,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2019-11-19 21:22:48,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398115020] [2019-11-19 21:22:48,176 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 21:22:48,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:48,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 21:22:48,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:22:48,177 INFO L87 Difference]: Start difference. First operand 334 states and 413 transitions. Second operand 6 states. [2019-11-19 21:22:48,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:48,437 INFO L93 Difference]: Finished difference Result 1182 states and 1488 transitions. [2019-11-19 21:22:48,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 21:22:48,438 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-11-19 21:22:48,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:48,438 INFO L225 Difference]: With dead ends: 1182 [2019-11-19 21:22:48,438 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 21:22:48,440 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-11-19 21:22:48,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 21:22:48,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 21:22:48,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 21:22:48,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 21:22:48,441 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-11-19 21:22:48,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:48,441 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 21:22:48,441 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 21:22:48,441 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 21:22:48,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 21:22:48,646 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:22:48,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 21:22:49,087 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 180 [2019-11-19 21:22:50,312 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 371 DAG size of output: 313 [2019-11-19 21:22:50,467 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 127 [2019-11-19 21:22:51,024 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 271 [2019-11-19 21:22:51,718 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 300 [2019-11-19 21:22:52,046 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 201 [2019-11-19 21:22:52,245 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 142 [2019-11-19 21:22:52,840 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 300 [2019-11-19 21:22:52,985 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 141 [2019-11-19 21:22:53,182 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 211 [2019-11-19 21:22:53,448 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 205 [2019-11-19 21:22:54,549 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 173 DAG size of output: 40 [2019-11-19 21:22:58,784 WARN L191 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 310 DAG size of output: 32 [2019-11-19 21:22:59,502 WARN L191 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 21 [2019-11-19 21:23:02,150 WARN L191 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 270 DAG size of output: 26 [2019-11-19 21:23:02,918 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 46 [2019-11-19 21:23:05,835 WARN L191 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 295 DAG size of output: 26 [2019-11-19 21:23:07,793 WARN L191 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 199 DAG size of output: 32 [2019-11-19 21:23:08,731 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 26 [2019-11-19 21:23:11,707 WARN L191 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 295 DAG size of output: 26 [2019-11-19 21:23:12,514 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 21 [2019-11-19 21:23:13,815 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 198 DAG size of output: 39 [2019-11-19 21:23:14,537 WARN L191 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 50 [2019-11-19 21:23:15,753 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 197 DAG size of output: 53 [2019-11-19 21:23:15,977 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 33 [2019-11-19 21:23:16,002 INFO L444 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2019-11-19 21:23:16,002 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2019-11-19 21:23:16,003 INFO L440 ceAbstractionStarter]: At program point L729-1(lines 729 735) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (<= ~waterLevel~0 2))) (or (and (and (= ~pumpRunning~0 1) (and (and .cse0 .cse1 .cse2 .cse3) (= 0 ULTIMATE.start_activatePump_~tmp~8))) .cse4) (and (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) .cse4))) [2019-11-19 21:23:16,003 INFO L440 ceAbstractionStarter]: At program point L895(lines 888 898) the Hoare annotation is: false [2019-11-19 21:23:16,003 INFO L440 ceAbstractionStarter]: At program point L895-1(lines 888 898) the Hoare annotation is: (let ((.cse9 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse13 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse14 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse15 (= ~pumpRunning~0 0)) (.cse16 (not (= 0 ~systemActive~0))) (.cse17 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 0)))) (let ((.cse3 (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) (.cse10 (and (and .cse13 .cse14 (<= ~waterLevel~0 1) .cse15 .cse16 .cse17) .cse7)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse5 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse11 (not .cse4)) (.cse6 (and .cse13 .cse14 .cse15 .cse16 .cse17)) (.cse8 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2))) (.cse12 (not .cse9))) (or (and .cse0 (and (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9)) (and (and .cse3 .cse4 .cse10) .cse9) (and .cse11 .cse10 .cse12) (and .cse0 (and .cse1 .cse2 .cse5 .cse11 .cse6 .cse7 .cse8 .cse12))))) [2019-11-19 21:23:16,003 INFO L440 ceAbstractionStarter]: At program point L895-2(lines 888 898) the Hoare annotation is: false [2019-11-19 21:23:16,003 INFO L440 ceAbstractionStarter]: At program point L895-3(lines 888 898) the Hoare annotation is: false [2019-11-19 21:23:16,003 INFO L440 ceAbstractionStarter]: At program point L895-4(lines 888 898) the Hoare annotation is: false [2019-11-19 21:23:16,004 INFO L440 ceAbstractionStarter]: At program point L895-5(lines 888 898) the Hoare annotation is: false [2019-11-19 21:23:16,004 INFO L440 ceAbstractionStarter]: At program point L103(lines 99 105) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-19 21:23:16,004 INFO L444 ceAbstractionStarter]: For program point L566(lines 566 570) no Hoare annotation was computed. [2019-11-19 21:23:16,004 INFO L444 ceAbstractionStarter]: For program point L566-3(lines 566 570) no Hoare annotation was computed. [2019-11-19 21:23:16,004 INFO L444 ceAbstractionStarter]: For program point L566-6(lines 566 570) no Hoare annotation was computed. [2019-11-19 21:23:16,004 INFO L447 ceAbstractionStarter]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-11-19 21:23:16,004 INFO L444 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2019-11-19 21:23:16,004 INFO L444 ceAbstractionStarter]: For program point L833-1(lines 833 850) no Hoare annotation was computed. [2019-11-19 21:23:16,004 INFO L444 ceAbstractionStarter]: For program point L833-2(lines 833 850) no Hoare annotation was computed. [2019-11-19 21:23:16,004 INFO L440 ceAbstractionStarter]: At program point L635(lines 630 638) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4)) (.cse5 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (and .cse1 .cse2 (= 0 ULTIMATE.start_activatePump_~tmp~8) (= ~pumpRunning~0 1) .cse3 .cse4) .cse5 .cse6) (<= ~waterLevel~0 2)) (and .cse1 .cse2 .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse5 .cse6 (<= ~waterLevel~0 1) (= ~pumpRunning~0 0) .cse3 .cse4))) [2019-11-19 21:23:16,004 INFO L440 ceAbstractionStarter]: At program point L635-1(lines 630 638) the Hoare annotation is: false [2019-11-19 21:23:16,005 INFO L440 ceAbstractionStarter]: At program point L635-2(lines 630 638) the Hoare annotation is: false [2019-11-19 21:23:16,005 INFO L440 ceAbstractionStarter]: At program point L603(lines 598 606) the Hoare annotation is: false [2019-11-19 21:23:16,005 INFO L440 ceAbstractionStarter]: At program point L603-1(lines 598 606) the Hoare annotation is: (let ((.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse12 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse13 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse14 (= ~pumpRunning~0 0)) (.cse15 (not (= 0 ~systemActive~0))) (.cse16 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse10 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 0)))) (let ((.cse0 (and (and .cse12 .cse13 (<= ~waterLevel~0 1) .cse14 .cse15 .cse16) .cse10)) (.cse3 (not .cse1)) (.cse4 (not .cse2)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse7 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse8 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse9 (and .cse12 .cse13 .cse14 .cse15 .cse16)) (.cse11 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse4) (and .cse5 (and .cse6 .cse7 .cse8 .cse3 .cse9 .cse10 .cse11 .cse4)) (and .cse5 (and .cse6 .cse7 .cse1 .cse8 .cse9 .cse2 .cse10 .cse11))))) [2019-11-19 21:23:16,006 INFO L440 ceAbstractionStarter]: At program point L603-2(lines 598 606) the Hoare annotation is: (let ((.cse7 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse10 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse11 (not (= 0 ~systemActive~0))) (.cse12 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and .cse10 .cse9 .cse11 .cse12)) (.cse2 (= 0 ULTIMATE.start_activatePump_~tmp~8)) (.cse3 (= ~pumpRunning~0 1)) (.cse8 (and .cse10 (= ~pumpRunning~0 0) .cse11 .cse12)) (.cse0 (not .cse6)) (.cse5 (<= ~waterLevel~0 2)) (.cse4 (not .cse7))) (or (and (and .cse0 (and (and .cse1 .cse2) .cse3) .cse4) .cse5) (and .cse5 (and (and .cse6 .cse1 .cse7 .cse2) .cse3)) (and (<= ~waterLevel~0 1) (and .cse6 .cse7 (and .cse8 .cse9))) (and .cse8 .cse0 .cse9 .cse5 .cse4)))) [2019-11-19 21:23:16,006 INFO L440 ceAbstractionStarter]: At program point L603-3(lines 598 606) the Hoare annotation is: false [2019-11-19 21:23:16,006 INFO L440 ceAbstractionStarter]: At program point L603-4(lines 598 606) the Hoare annotation is: false [2019-11-19 21:23:16,006 INFO L440 ceAbstractionStarter]: At program point L603-5(lines 598 606) the Hoare annotation is: false [2019-11-19 21:23:16,006 INFO L440 ceAbstractionStarter]: At program point L603-6(lines 598 606) the Hoare annotation is: false [2019-11-19 21:23:16,006 INFO L440 ceAbstractionStarter]: At program point L603-7(lines 598 606) the Hoare annotation is: false [2019-11-19 21:23:16,006 INFO L440 ceAbstractionStarter]: At program point L603-8(lines 598 606) the Hoare annotation is: false [2019-11-19 21:23:16,006 INFO L440 ceAbstractionStarter]: At program point L174(lines 169 177) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-19 21:23:16,007 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2019-11-19 21:23:16,007 INFO L444 ceAbstractionStarter]: For program point L870(lines 870 876) no Hoare annotation was computed. [2019-11-19 21:23:16,007 INFO L444 ceAbstractionStarter]: For program point L837(lines 837 845) no Hoare annotation was computed. [2019-11-19 21:23:16,007 INFO L444 ceAbstractionStarter]: For program point L870-2(lines 870 876) no Hoare annotation was computed. [2019-11-19 21:23:16,007 INFO L444 ceAbstractionStarter]: For program point L837-1(lines 837 845) no Hoare annotation was computed. [2019-11-19 21:23:16,007 INFO L444 ceAbstractionStarter]: For program point L837-2(lines 837 845) no Hoare annotation was computed. [2019-11-19 21:23:16,007 INFO L444 ceAbstractionStarter]: For program point L870-4(lines 870 876) no Hoare annotation was computed. [2019-11-19 21:23:16,007 INFO L444 ceAbstractionStarter]: For program point L870-6(lines 870 876) no Hoare annotation was computed. [2019-11-19 21:23:16,007 INFO L444 ceAbstractionStarter]: For program point L870-8(lines 870 876) no Hoare annotation was computed. [2019-11-19 21:23:16,008 INFO L444 ceAbstractionStarter]: For program point L870-10(lines 870 876) no Hoare annotation was computed. [2019-11-19 21:23:16,008 INFO L440 ceAbstractionStarter]: At program point L904(lines 899 907) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ULTIMATE.start_main_~tmp~0) (<= ~waterLevel~0 2) (= 0 ULTIMATE.start_activatePump_~tmp~8) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:23:16,008 INFO L440 ceAbstractionStarter]: At program point L904-1(lines 899 907) the Hoare annotation is: false [2019-11-19 21:23:16,008 INFO L440 ceAbstractionStarter]: At program point L904-2(lines 899 907) the Hoare annotation is: false [2019-11-19 21:23:16,008 INFO L444 ceAbstractionStarter]: For program point L739(lines 739 752) no Hoare annotation was computed. [2019-11-19 21:23:16,008 INFO L444 ceAbstractionStarter]: For program point L673(lines 673 693) no Hoare annotation was computed. [2019-11-19 21:23:16,008 INFO L444 ceAbstractionStarter]: For program point L673-2(lines 673 693) no Hoare annotation was computed. [2019-11-19 21:23:16,008 INFO L444 ceAbstractionStarter]: For program point L673-4(lines 673 693) no Hoare annotation was computed. [2019-11-19 21:23:16,008 INFO L444 ceAbstractionStarter]: For program point L972(lines 972 976) no Hoare annotation was computed. [2019-11-19 21:23:16,008 INFO L444 ceAbstractionStarter]: For program point L972-2(lines 972 976) no Hoare annotation was computed. [2019-11-19 21:23:16,009 INFO L444 ceAbstractionStarter]: For program point L972-3(lines 972 976) no Hoare annotation was computed. [2019-11-19 21:23:16,009 INFO L444 ceAbstractionStarter]: For program point L807(lines 807 824) no Hoare annotation was computed. [2019-11-19 21:23:16,009 INFO L444 ceAbstractionStarter]: For program point L972-5(lines 972 976) no Hoare annotation was computed. [2019-11-19 21:23:16,009 INFO L444 ceAbstractionStarter]: For program point L807-1(lines 807 824) no Hoare annotation was computed. [2019-11-19 21:23:16,009 INFO L444 ceAbstractionStarter]: For program point L972-6(lines 972 976) no Hoare annotation was computed. [2019-11-19 21:23:16,009 INFO L444 ceAbstractionStarter]: For program point L807-2(lines 807 824) no Hoare annotation was computed. [2019-11-19 21:23:16,009 INFO L444 ceAbstractionStarter]: For program point L807-3(lines 807 824) no Hoare annotation was computed. [2019-11-19 21:23:16,009 INFO L444 ceAbstractionStarter]: For program point L972-8(lines 972 976) no Hoare annotation was computed. [2019-11-19 21:23:16,009 INFO L444 ceAbstractionStarter]: For program point L807-4(lines 807 824) no Hoare annotation was computed. [2019-11-19 21:23:16,009 INFO L444 ceAbstractionStarter]: For program point L807-5(lines 807 824) no Hoare annotation was computed. [2019-11-19 21:23:16,010 INFO L440 ceAbstractionStarter]: At program point L775(lines 774 793) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (= 0 ULTIMATE.start_activatePump_~tmp~8) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3)) (= ~pumpRunning~0 1)) (and (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (<= ~waterLevel~0 2)))) [2019-11-19 21:23:16,011 INFO L444 ceAbstractionStarter]: For program point L775-1(lines 775 781) no Hoare annotation was computed. [2019-11-19 21:23:16,011 INFO L440 ceAbstractionStarter]: At program point L775-2(lines 774 793) the Hoare annotation is: false [2019-11-19 21:23:16,011 INFO L440 ceAbstractionStarter]: At program point L775-3(lines 774 793) the Hoare annotation is: false [2019-11-19 21:23:16,011 INFO L444 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-11-19 21:23:16,011 INFO L444 ceAbstractionStarter]: For program point L643-1(lines 643 649) no Hoare annotation was computed. [2019-11-19 21:23:16,011 INFO L444 ceAbstractionStarter]: For program point L643-2(lines 643 649) no Hoare annotation was computed. [2019-11-19 21:23:16,011 INFO L444 ceAbstractionStarter]: For program point L643-3(lines 643 649) no Hoare annotation was computed. [2019-11-19 21:23:16,011 INFO L444 ceAbstractionStarter]: For program point L643-4(lines 643 649) no Hoare annotation was computed. [2019-11-19 21:23:16,011 INFO L444 ceAbstractionStarter]: For program point L643-5(lines 643 649) no Hoare annotation was computed. [2019-11-19 21:23:16,011 INFO L444 ceAbstractionStarter]: For program point L710(lines 709 756) no Hoare annotation was computed. [2019-11-19 21:23:16,012 INFO L444 ceAbstractionStarter]: For program point L578(lines 578 582) no Hoare annotation was computed. [2019-11-19 21:23:16,012 INFO L444 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2019-11-19 21:23:16,012 INFO L444 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2019-11-19 21:23:16,012 INFO L444 ceAbstractionStarter]: For program point L811-1(lines 811 819) no Hoare annotation was computed. [2019-11-19 21:23:16,012 INFO L444 ceAbstractionStarter]: For program point L811-2(lines 811 819) no Hoare annotation was computed. [2019-11-19 21:23:16,012 INFO L444 ceAbstractionStarter]: For program point L811-3(lines 811 819) no Hoare annotation was computed. [2019-11-19 21:23:16,012 INFO L444 ceAbstractionStarter]: For program point L679(lines 679 692) no Hoare annotation was computed. [2019-11-19 21:23:16,012 INFO L444 ceAbstractionStarter]: For program point L811-4(lines 811 819) no Hoare annotation was computed. [2019-11-19 21:23:16,012 INFO L440 ceAbstractionStarter]: At program point L679-1(lines 1 989) the Hoare annotation is: (let ((.cse11 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse14 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse10 (and .cse1 .cse5 .cse3 .cse4)) (.cse12 (= 0 ULTIMATE.start_activatePump_~tmp~8)) (.cse13 (= ~pumpRunning~0 1)) (.cse6 (not .cse0)) (.cse8 (not .cse14)) (.cse9 (not .cse11)) (.cse7 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 (and (and .cse1 (= 1 ~waterLevel~0) .cse2 .cse3 .cse4) .cse5)) (and (and .cse1 .cse2 .cse3 .cse4) .cse6 .cse5 .cse7 .cse8 .cse9) (and .cse7 (and (and (and .cse0 .cse10 .cse11 .cse12) .cse13) .cse14)) (and (and (and (and .cse10 .cse12) .cse13) .cse6 .cse8 .cse9) .cse7) (and (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1) .cse14 (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse11 (and .cse0 (and (and .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 .cse4) .cse5)))))) [2019-11-19 21:23:16,012 INFO L444 ceAbstractionStarter]: For program point L811-5(lines 811 819) no Hoare annotation was computed. [2019-11-19 21:23:16,013 INFO L444 ceAbstractionStarter]: For program point L679-2(lines 679 692) no Hoare annotation was computed. [2019-11-19 21:23:16,013 INFO L440 ceAbstractionStarter]: At program point L679-3(lines 1 989) the Hoare annotation is: false [2019-11-19 21:23:16,013 INFO L444 ceAbstractionStarter]: For program point L679-4(lines 679 692) no Hoare annotation was computed. [2019-11-19 21:23:16,013 INFO L440 ceAbstractionStarter]: At program point L679-5(lines 1 989) the Hoare annotation is: false [2019-11-19 21:23:16,013 INFO L440 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-11-19 21:23:16,013 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 21:23:16,013 INFO L444 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-11-19 21:23:16,013 INFO L440 ceAbstractionStarter]: At program point L978(lines 963 981) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= 0 ULTIMATE.start_activatePump_~tmp~8) (<= ~waterLevel~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:23:16,013 INFO L440 ceAbstractionStarter]: At program point L978-1(lines 963 981) the Hoare annotation is: false [2019-11-19 21:23:16,013 INFO L440 ceAbstractionStarter]: At program point L978-2(lines 963 981) the Hoare annotation is: false [2019-11-19 21:23:16,013 INFO L444 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2019-11-19 21:23:16,014 INFO L440 ceAbstractionStarter]: At program point L747-2(lines 775 781) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (<= ~waterLevel~0 2))) (or (and (and (= ~pumpRunning~0 1) (and (and .cse0 .cse1 .cse2 .cse3) (= 0 ULTIMATE.start_activatePump_~tmp~8))) .cse4) (and (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) .cse4))) [2019-11-19 21:23:16,014 INFO L440 ceAbstractionStarter]: At program point L648(lines 639 652) the Hoare annotation is: false [2019-11-19 21:23:16,014 INFO L440 ceAbstractionStarter]: At program point L648-1(lines 639 652) the Hoare annotation is: (let ((.cse0 (and (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= ~waterLevel~0 2) (and (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0) .cse1)) (and (<= ~waterLevel~0 1) (and .cse0 .cse1)))) [2019-11-19 21:23:16,014 INFO L440 ceAbstractionStarter]: At program point L648-2(lines 639 652) the Hoare annotation is: false [2019-11-19 21:23:16,014 INFO L444 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2019-11-19 21:23:16,014 INFO L440 ceAbstractionStarter]: At program point L648-3(lines 639 652) the Hoare annotation is: false [2019-11-19 21:23:16,014 INFO L444 ceAbstractionStarter]: For program point L549-1(line 549) no Hoare annotation was computed. [2019-11-19 21:23:16,014 INFO L440 ceAbstractionStarter]: At program point L648-4(lines 639 652) the Hoare annotation is: false [2019-11-19 21:23:16,014 INFO L440 ceAbstractionStarter]: At program point L648-5(lines 639 652) the Hoare annotation is: false [2019-11-19 21:23:16,014 INFO L444 ceAbstractionStarter]: For program point L549-2(line 549) no Hoare annotation was computed. [2019-11-19 21:23:16,015 INFO L440 ceAbstractionStarter]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 .cse4) (and (and (and (= 0 ULTIMATE.start_activatePump_~tmp~8) (and .cse0 .cse1 .cse3 .cse4)) (= ~pumpRunning~0 1)) .cse5) (and .cse5 (and (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 ~methaneLevelCritical~0)))))) [2019-11-19 21:23:16,015 INFO L440 ceAbstractionStarter]: At program point L782-1(lines 782 788) the Hoare annotation is: false [2019-11-19 21:23:16,015 INFO L440 ceAbstractionStarter]: At program point L782-2(lines 782 788) the Hoare annotation is: false [2019-11-19 21:23:16,015 INFO L444 ceAbstractionStarter]: For program point L683(lines 683 689) no Hoare annotation was computed. [2019-11-19 21:23:16,015 INFO L444 ceAbstractionStarter]: For program point L683-2(lines 683 689) no Hoare annotation was computed. [2019-11-19 21:23:16,015 INFO L444 ceAbstractionStarter]: For program point L683-4(lines 683 689) no Hoare annotation was computed. [2019-11-19 21:23:16,015 INFO L444 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-11-19 21:23:16,015 INFO L444 ceAbstractionStarter]: For program point L56-1(lines 775 781) no Hoare annotation was computed. [2019-11-19 21:23:16,015 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 21:23:16,015 INFO L444 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2019-11-19 21:23:16,016 INFO L440 ceAbstractionStarter]: At program point L719-1(lines 719 725) the Hoare annotation is: (let ((.cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4)) (.cse10 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse11 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse12 (not (= 0 ~systemActive~0))) (.cse13 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (and .cse10 .cse11 .cse12 .cse13)) (.cse4 (= 0 ULTIMATE.start_activatePump_~tmp~8)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (and .cse10 .cse11 (= ~pumpRunning~0 0) .cse12 .cse13)) (.cse8 (not .cse0)) (.cse9 (not .cse1))) (or (and (and .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5)) .cse6) (and .cse2 .cse6 .cse7) (and (and (not .cse2) (and .cse3 .cse4 .cse5) .cse8 .cse9) .cse6) (and .cse6 .cse7 .cse8 .cse9)))) [2019-11-19 21:23:16,016 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 21:23:16,016 INFO L444 ceAbstractionStarter]: For program point L953(lines 953 957) no Hoare annotation was computed. [2019-11-19 21:23:16,016 INFO L444 ceAbstractionStarter]: For program point L953-2(lines 953 957) no Hoare annotation was computed. [2019-11-19 21:23:16,016 INFO L444 ceAbstractionStarter]: For program point L953-3(lines 953 957) no Hoare annotation was computed. [2019-11-19 21:23:16,016 INFO L444 ceAbstractionStarter]: For program point L953-5(lines 953 957) no Hoare annotation was computed. [2019-11-19 21:23:16,016 INFO L444 ceAbstractionStarter]: For program point L953-6(lines 953 957) no Hoare annotation was computed. [2019-11-19 21:23:16,016 INFO L444 ceAbstractionStarter]: For program point L953-8(lines 953 957) no Hoare annotation was computed. [2019-11-19 21:23:16,016 INFO L444 ceAbstractionStarter]: For program point L953-9(lines 953 957) no Hoare annotation was computed. [2019-11-19 21:23:16,016 INFO L444 ceAbstractionStarter]: For program point L590(lines 590 594) no Hoare annotation was computed. [2019-11-19 21:23:16,016 INFO L444 ceAbstractionStarter]: For program point L953-11(lines 953 957) no Hoare annotation was computed. [2019-11-19 21:23:16,016 INFO L444 ceAbstractionStarter]: For program point L953-12(lines 953 957) no Hoare annotation was computed. [2019-11-19 21:23:16,016 INFO L444 ceAbstractionStarter]: For program point L953-14(lines 953 957) no Hoare annotation was computed. [2019-11-19 21:23:16,017 INFO L444 ceAbstractionStarter]: For program point L953-15(lines 953 957) no Hoare annotation was computed. [2019-11-19 21:23:16,017 INFO L444 ceAbstractionStarter]: For program point L953-17(lines 953 957) no Hoare annotation was computed. [2019-11-19 21:23:16,017 INFO L440 ceAbstractionStarter]: At program point L757(lines 708 758) the Hoare annotation is: false [2019-11-19 21:23:16,017 INFO L440 ceAbstractionStarter]: At program point L658(lines 653 661) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= 0 ULTIMATE.start_activatePump_~tmp~8) (<= ~waterLevel~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:23:16,017 INFO L440 ceAbstractionStarter]: At program point L658-1(lines 653 661) the Hoare annotation is: false [2019-11-19 21:23:16,017 INFO L440 ceAbstractionStarter]: At program point L658-2(lines 653 661) the Hoare annotation is: false [2019-11-19 21:23:16,017 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-11-19 21:23:16,017 INFO L447 ceAbstractionStarter]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-11-19 21:23:16,017 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 21:23:16,017 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2019-11-19 21:23:16,018 INFO L440 ceAbstractionStarter]: At program point L166(lines 1 989) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-19 21:23:16,018 INFO L440 ceAbstractionStarter]: At program point L959(lines 944 962) the Hoare annotation is: false [2019-11-19 21:23:16,018 INFO L440 ceAbstractionStarter]: At program point L959-1(lines 944 962) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= ~waterLevel~0 2) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9) (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)))) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 .cse4))) [2019-11-19 21:23:16,018 INFO L440 ceAbstractionStarter]: At program point L959-2(lines 944 962) the Hoare annotation is: false [2019-11-19 21:23:16,018 INFO L440 ceAbstractionStarter]: At program point L959-3(lines 944 962) the Hoare annotation is: false [2019-11-19 21:23:16,018 INFO L440 ceAbstractionStarter]: At program point L959-4(lines 944 962) the Hoare annotation is: false [2019-11-19 21:23:16,018 INFO L440 ceAbstractionStarter]: At program point L959-5(lines 944 962) the Hoare annotation is: false [2019-11-19 21:23:16,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:23:16 BoogieIcfgContainer [2019-11-19 21:23:16,080 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:23:16,083 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:23:16,083 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:23:16,083 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:23:16,084 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:43" (3/4) ... [2019-11-19 21:23:16,087 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 21:23:16,134 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-19 21:23:16,136 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-19 21:23:16,137 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-19 21:23:16,138 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 21:23:16,139 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 21:23:16,141 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 21:23:16,176 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-11-19 21:23:16,176 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) [2019-11-19 21:23:16,176 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == methaneLevelCritical && ((((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) || ((((((((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && !(0 == tmp)) && !(0 == \result))) || (waterLevel <= 2 && ((((0 == methaneLevelCritical && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 0 == tmp) && pumpRunning == 1) && 0 == tmp)) || (((((((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && !(0 == methaneLevelCritical)) && !(0 == tmp)) && !(0 == \result)) && waterLevel <= 2)) || ((((tmp___0 <= 1 && 0 == tmp) && \result <= 1) && 0 == \result) && 0 == methaneLevelCritical && ((((\result == 1 && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) [2019-11-19 21:23:16,177 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == tmp && 0 == \result) && ((0 == methaneLevelCritical && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && waterLevel <= 2) || ((0 == methaneLevelCritical && waterLevel <= 2) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((!(0 == methaneLevelCritical) && ((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && !(0 == tmp)) && !(0 == \result)) && waterLevel <= 2)) || (((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp)) && !(0 == \result)) [2019-11-19 21:23:16,178 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 1 && (((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && waterLevel <= 2) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-19 21:23:16,179 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 1 && (((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && waterLevel <= 2) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-19 21:23:16,179 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == tmp && (((\result == 1 && 1 == tmp) && waterLevel <= 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-19 21:23:16,179 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((0 == tmp && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) && waterLevel <= 2)) || (waterLevel <= 2 && ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) [2019-11-19 21:23:16,181 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == methaneLevelCritical) && ((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && !(0 == \result)) && waterLevel <= 2) || (waterLevel <= 2 && (((0 == methaneLevelCritical && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 0 == tmp) && pumpRunning == 1)) || (waterLevel <= 1 && (0 == methaneLevelCritical && 0 == \result) && (((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp)) || (((((((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && !(0 == \result)) [2019-11-19 21:23:16,182 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-19 21:23:16,186 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel <= 2 && (\result == 0 && ((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) || (waterLevel <= 1 && (((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) [2019-11-19 21:23:16,188 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == tmp && ((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 1 == tmp) && waterLevel <= 2) || (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && \result <= 1) && 0 == \result) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-19 21:23:16,189 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-19 21:23:16,189 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel <= 2 && (((\result == 0 && 0 == tmp) && !(0 == \result)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp___0)) || (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-19 21:23:16,192 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 0 == \result) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-19 21:23:16,193 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && 0 == methaneLevelCritical) && 0 == \result) || ((!(0 == methaneLevelCritical) && (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == \result))) || (waterLevel <= 2 && ((((((\result == 0 && 0 == tmp) && !(0 == \result)) && !(0 == methaneLevelCritical)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == tmp___0)) && !(0 == \result))) || (waterLevel <= 2 && ((((((\result == 0 && 0 == tmp) && 0 == methaneLevelCritical) && !(0 == \result)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && !(tmp == 0)) && !(0 == tmp___0)) [2019-11-19 21:23:16,193 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 2 && (((((((\result == 0 && 0 == tmp) && 0 == \result) && 0 == methaneLevelCritical) && !(0 == \result)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == tmp___0)) && 0 == \result) || (((0 == \result && 0 == methaneLevelCritical) && (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && 0 == \result)) || ((!(0 == methaneLevelCritical) && (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == \result))) || (waterLevel <= 2 && ((((((\result == 0 && 0 == tmp) && !(0 == \result)) && !(0 == methaneLevelCritical)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == tmp___0)) && !(0 == \result)) [2019-11-19 21:23:16,280 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 21:23:16,281 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:23:16,282 INFO L168 Benchmark]: Toolchain (without parser) took 34319.28 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 773.8 MB). Free memory was 961.7 MB in the beginning and 926.2 MB in the end (delta: 35.5 MB). Peak memory consumption was 809.3 MB. Max. memory is 11.5 GB. [2019-11-19 21:23:16,283 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:23:16,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-19 21:23:16,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.33 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. [2019-11-19 21:23:16,284 INFO L168 Benchmark]: Boogie Preprocessor took 56.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:23:16,284 INFO L168 Benchmark]: RCFGBuilder took 1116.05 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: 78.1 MB). Peak memory consumption was 78.1 MB. Max. memory is 11.5 GB. [2019-11-19 21:23:16,285 INFO L168 Benchmark]: TraceAbstraction took 32218.60 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 617.1 MB). Free memory was 1.1 GB in the beginning and 944.8 MB in the end (delta: 108.6 MB). Peak memory consumption was 825.0 MB. Max. memory is 11.5 GB. [2019-11-19 21:23:16,285 INFO L168 Benchmark]: Witness Printer took 197.79 ms. Allocated memory is still 1.8 GB. Free memory was 944.8 MB in the beginning and 926.2 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-11-19 21:23:16,288 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 645.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.33 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 56.95 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 1116.05 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: 78.1 MB). Peak memory consumption was 78.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 32218.60 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 617.1 MB). Free memory was 1.1 GB in the beginning and 944.8 MB in the end (delta: 108.6 MB). Peak memory consumption was 825.0 MB. Max. memory is 11.5 GB. * Witness Printer took 197.79 ms. Allocated memory is still 1.8 GB. Free memory was 944.8 MB in the beginning and 926.2 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 549]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 549]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 549]: 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: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (((((!(0 == methaneLevelCritical) && ((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && !(0 == \result)) && waterLevel <= 2) || (waterLevel <= 2 && (((0 == methaneLevelCritical && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 0 == tmp) && pumpRunning == 1)) || (waterLevel <= 1 && (0 == methaneLevelCritical && 0 == \result) && (((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp)) || (((((((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && !(0 == \result)) - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((0 == tmp && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) && waterLevel <= 2)) || (waterLevel <= 2 && ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: ((0 == tmp && (((\result == 1 && 1 == tmp) && waterLevel <= 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: ((((((((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && 0 == methaneLevelCritical) && 0 == \result) || ((!(0 == methaneLevelCritical) && (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == \result))) || (waterLevel <= 2 && ((((((\result == 0 && 0 == tmp) && !(0 == \result)) && !(0 == methaneLevelCritical)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == tmp___0)) && !(0 == \result))) || (waterLevel <= 2 && ((((((\result == 0 && 0 == tmp) && 0 == methaneLevelCritical) && !(0 == \result)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && !(tmp == 0)) && !(0 == tmp___0)) - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: ((pumpRunning == 1 && (((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && waterLevel <= 2) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && (((\result == 0 && 0 == tmp) && !(0 == \result)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp___0)) || (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 0 == \result) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && (\result == 0 && ((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) || (waterLevel <= 1 && (((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: ((pumpRunning == 1 && (((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && waterLevel <= 2) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: (((((0 == tmp && 0 == \result) && ((0 == methaneLevelCritical && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && waterLevel <= 2) || ((0 == methaneLevelCritical && waterLevel <= 2) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((!(0 == methaneLevelCritical) && ((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && !(0 == tmp)) && !(0 == \result)) && waterLevel <= 2)) || (((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp)) && !(0 == \result)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: (((waterLevel <= 2 && (((((((\result == 0 && 0 == tmp) && 0 == \result) && 0 == methaneLevelCritical) && !(0 == \result)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == tmp___0)) && 0 == \result) || (((0 == \result && 0 == methaneLevelCritical) && (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && 0 == \result)) || ((!(0 == methaneLevelCritical) && (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == \result))) || (waterLevel <= 2 && ((((((\result == 0 && 0 == tmp) && !(0 == \result)) && !(0 == methaneLevelCritical)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == tmp___0)) && !(0 == \result)) - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((0 == methaneLevelCritical && ((((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) || ((((((((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && !(0 == tmp)) && !(0 == \result))) || (waterLevel <= 2 && ((((0 == methaneLevelCritical && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 0 == tmp) && pumpRunning == 1) && 0 == tmp)) || (((((((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && !(0 == methaneLevelCritical)) && !(0 == tmp)) && !(0 == \result)) && waterLevel <= 2)) || ((((tmp___0 <= 1 && 0 == tmp) && \result <= 1) && 0 == \result) && 0 == methaneLevelCritical && ((((\result == 1 && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: ((((0 == tmp && ((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 1 == tmp) && waterLevel <= 2) || (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && \result <= 1) && 0 == \result) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 3 error locations. Result: SAFE, OverallTime: 32.0s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 27.3s, HoareTripleCheckerStatistics: 1744 SDtfs, 3247 SDslu, 3126 SDs, 0 SdLazy, 458 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=380occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 3079 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 58 PreInvPairs, 446 NumberOfFragments, 1323 HoareAnnotationTreeSize, 58 FomulaSimplifications, 46310309 FormulaSimplificationTreeSizeReduction, 4.8s HoareSimplificationTime, 58 FomulaSimplificationsInter, 9914688 FormulaSimplificationTreeSizeReductionInter, 22.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 557 NumberOfCodeBlocks, 557 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 542 ConstructedInterpolants, 0 QuantifiedInterpolants, 45672 SizeOfPredicates, 4 NumberOfNonLiveVariables, 441 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 54/62 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...