./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_spec1_product57.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9cb3124a923cdd866f09b8c3b7a075e2954c5f17 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:41:54,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:41:54,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:41:54,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:41:54,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:41:54,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:41:54,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:41:54,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:41:54,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:41:54,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:41:54,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:41:54,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:41:54,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:41:54,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:41:54,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:41:54,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:41:54,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:41:54,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:41:54,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:41:54,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:41:54,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:41:54,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:41:54,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:41:54,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:41:54,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:41:54,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:41:54,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:41:54,685 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:41:54,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:41:54,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:41:54,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:41:54,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:41:54,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:41:54,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:41:54,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:41:54,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:41:54,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:41:54,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:41:54,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:41:54,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:41:54,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:41:54,694 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:41:54,723 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:41:54,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:41:54,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:41:54,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:41:54,725 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:41:54,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:41:54,726 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:41:54,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:41:54,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:41:54,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:41:54,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:41:54,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:41:54,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:41:54,727 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:41:54,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:41:54,728 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:41:54,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:41:54,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:41:54,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:41:54,729 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:41:54,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:41:54,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:41:54,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:41:54,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:41:54,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:41:54,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:41:54,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:41:54,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:41:54,731 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:41:54,731 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(reach_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 -> 9cb3124a923cdd866f09b8c3b7a075e2954c5f17 [2020-10-20 01:41:54,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:41:54,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:41:54,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:41:54,970 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:41:54,971 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:41:54,972 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2020-10-20 01:41:55,050 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86b7c7b4d/7b68fa61a13648029bac9e661f7facd2/FLAGec5cbe2d7 [2020-10-20 01:41:55,606 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:41:55,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2020-10-20 01:41:55,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86b7c7b4d/7b68fa61a13648029bac9e661f7facd2/FLAGec5cbe2d7 [2020-10-20 01:41:55,899 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86b7c7b4d/7b68fa61a13648029bac9e661f7facd2 [2020-10-20 01:41:55,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:41:55,911 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:41:55,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:55,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:41:55,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:41:55,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:55" (1/1) ... [2020-10-20 01:41:55,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bf56f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:55, skipping insertion in model container [2020-10-20 01:41:55,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:55" (1/1) ... [2020-10-20 01:41:55,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:41:55,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:41:56,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:56,455 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:41:56,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:56,581 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:41:56,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:56 WrapperNode [2020-10-20 01:41:56,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:56,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:56,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:41:56,583 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:41:56,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:56" (1/1) ... [2020-10-20 01:41:56,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:56" (1/1) ... [2020-10-20 01:41:56,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:56,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:41:56,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:41:56,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:41:56,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:56" (1/1) ... [2020-10-20 01:41:56,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:56" (1/1) ... [2020-10-20 01:41:56,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:56" (1/1) ... [2020-10-20 01:41:56,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:56" (1/1) ... [2020-10-20 01:41:56,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:56" (1/1) ... [2020-10-20 01:41:56,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:56" (1/1) ... [2020-10-20 01:41:56,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:56" (1/1) ... [2020-10-20 01:41:56,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:41:56,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:41:56,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:41:56,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:41:56,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:56" (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 [2020-10-20 01:41:56,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:41:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:41:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:41:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:41:57,772 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:41:57,773 INFO L298 CfgBuilder]: Removed 198 assume(true) statements. [2020-10-20 01:41:57,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:57 BoogieIcfgContainer [2020-10-20 01:41:57,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:41:57,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:41:57,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:41:57,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:41:57,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:41:55" (1/3) ... [2020-10-20 01:41:57,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e77d3fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:41:57, skipping insertion in model container [2020-10-20 01:41:57,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:56" (2/3) ... [2020-10-20 01:41:57,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e77d3fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:41:57, skipping insertion in model container [2020-10-20 01:41:57,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:57" (3/3) ... [2020-10-20 01:41:57,794 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2020-10-20 01:41:57,806 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:41:57,814 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:41:57,826 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:41:57,851 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:41:57,851 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:41:57,852 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:41:57,852 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:41:57,852 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:41:57,852 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:41:57,853 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:41:57,853 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:41:57,872 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2020-10-20 01:41:57,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:41:57,879 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:57,880 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:41:57,881 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:57,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:57,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1794396740, now seen corresponding path program 1 times [2020-10-20 01:41:57,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:57,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878972262] [2020-10-20 01:41:57,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:58,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:41:58,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878972262] [2020-10-20 01:41:58,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:58,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:41:58,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405257173] [2020-10-20 01:41:58,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:41:58,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:58,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:41:58,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:41:58,219 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2020-10-20 01:41:58,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:58,283 INFO L93 Difference]: Finished difference Result 267 states and 398 transitions. [2020-10-20 01:41:58,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:41:58,285 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:41:58,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:58,298 INFO L225 Difference]: With dead ends: 267 [2020-10-20 01:41:58,298 INFO L226 Difference]: Without dead ends: 131 [2020-10-20 01:41:58,302 INFO L677 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 [2020-10-20 01:41:58,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-20 01:41:58,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-10-20 01:41:58,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-20 01:41:58,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2020-10-20 01:41:58,347 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2020-10-20 01:41:58,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:58,348 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2020-10-20 01:41:58,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:41:58,348 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2020-10-20 01:41:58,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:41:58,349 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:58,349 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:41:58,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:41:58,350 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:58,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:58,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1720251087, now seen corresponding path program 1 times [2020-10-20 01:41:58,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:58,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212816788] [2020-10-20 01:41:58,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:58,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:41:58,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212816788] [2020-10-20 01:41:58,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:58,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:41:58,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312241996] [2020-10-20 01:41:58,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:41:58,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:58,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:41:58,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:41:58,477 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2020-10-20 01:41:58,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:58,510 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2020-10-20 01:41:58,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:41:58,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:41:58,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:58,512 INFO L225 Difference]: With dead ends: 131 [2020-10-20 01:41:58,513 INFO L226 Difference]: Without dead ends: 53 [2020-10-20 01:41:58,514 INFO L677 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 [2020-10-20 01:41:58,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-20 01:41:58,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-20 01:41:58,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-20 01:41:58,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-10-20 01:41:58,522 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2020-10-20 01:41:58,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:58,522 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-10-20 01:41:58,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:41:58,523 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-10-20 01:41:58,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:41:58,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:58,524 INFO L422 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] [2020-10-20 01:41:58,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:41:58,525 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:58,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:58,525 INFO L82 PathProgramCache]: Analyzing trace with hash 105563969, now seen corresponding path program 1 times [2020-10-20 01:41:58,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:58,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371530138] [2020-10-20 01:41:58,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:58,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:41:58,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371530138] [2020-10-20 01:41:58,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:58,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:41:58,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068808398] [2020-10-20 01:41:58,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:41:58,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:58,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:41:58,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:41:58,651 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 6 states. [2020-10-20 01:41:58,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:58,812 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2020-10-20 01:41:58,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:41:58,812 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-10-20 01:41:58,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:58,814 INFO L225 Difference]: With dead ends: 100 [2020-10-20 01:41:58,814 INFO L226 Difference]: Without dead ends: 53 [2020-10-20 01:41:58,814 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:41:58,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-20 01:41:58,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-20 01:41:58,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-20 01:41:58,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2020-10-20 01:41:58,822 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2020-10-20 01:41:58,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:58,823 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2020-10-20 01:41:58,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:41:58,823 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-10-20 01:41:58,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:41:58,824 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:58,824 INFO L422 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] [2020-10-20 01:41:58,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:41:58,825 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:58,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:58,825 INFO L82 PathProgramCache]: Analyzing trace with hash -72226312, now seen corresponding path program 1 times [2020-10-20 01:41:58,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:58,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805240083] [2020-10-20 01:41:58,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:58,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:41:58,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805240083] [2020-10-20 01:41:58,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:58,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:41:58,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831618663] [2020-10-20 01:41:58,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:41:58,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:58,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:41:58,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:41:58,911 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2020-10-20 01:41:58,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:58,943 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2020-10-20 01:41:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:41:58,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-20 01:41:58,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:58,944 INFO L225 Difference]: With dead ends: 121 [2020-10-20 01:41:58,945 INFO L226 Difference]: Without dead ends: 74 [2020-10-20 01:41:58,945 INFO L677 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 [2020-10-20 01:41:58,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-20 01:41:58,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2020-10-20 01:41:58,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-20 01:41:58,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2020-10-20 01:41:58,955 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2020-10-20 01:41:58,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:58,956 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2020-10-20 01:41:58,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:41:58,956 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2020-10-20 01:41:58,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-20 01:41:58,957 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:58,957 INFO L422 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] [2020-10-20 01:41:58,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:41:58,958 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:58,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:58,958 INFO L82 PathProgramCache]: Analyzing trace with hash 615192364, now seen corresponding path program 1 times [2020-10-20 01:41:58,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:58,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988561985] [2020-10-20 01:41:58,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:59,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:41:59,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988561985] [2020-10-20 01:41:59,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:59,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:41:59,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922578182] [2020-10-20 01:41:59,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:59,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:59,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:59,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:59,120 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 5 states. [2020-10-20 01:41:59,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:59,235 INFO L93 Difference]: Finished difference Result 372 states and 538 transitions. [2020-10-20 01:41:59,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:41:59,236 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-20 01:41:59,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:59,238 INFO L225 Difference]: With dead ends: 372 [2020-10-20 01:41:59,239 INFO L226 Difference]: Without dead ends: 306 [2020-10-20 01:41:59,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:41:59,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-10-20 01:41:59,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 132. [2020-10-20 01:41:59,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-20 01:41:59,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 185 transitions. [2020-10-20 01:41:59,263 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 185 transitions. Word has length 30 [2020-10-20 01:41:59,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:59,264 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 185 transitions. [2020-10-20 01:41:59,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:59,264 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 185 transitions. [2020-10-20 01:41:59,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-20 01:41:59,266 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:59,266 INFO L422 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] [2020-10-20 01:41:59,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:41:59,266 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:59,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:59,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1286960866, now seen corresponding path program 1 times [2020-10-20 01:41:59,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:59,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394344129] [2020-10-20 01:41:59,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:59,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:41:59,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394344129] [2020-10-20 01:41:59,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:59,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:41:59,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553572583] [2020-10-20 01:41:59,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:59,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:59,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:59,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:59,357 INFO L87 Difference]: Start difference. First operand 132 states and 185 transitions. Second operand 5 states. [2020-10-20 01:41:59,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:59,521 INFO L93 Difference]: Finished difference Result 378 states and 534 transitions. [2020-10-20 01:41:59,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:41:59,522 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-10-20 01:41:59,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:59,525 INFO L225 Difference]: With dead ends: 378 [2020-10-20 01:41:59,525 INFO L226 Difference]: Without dead ends: 376 [2020-10-20 01:41:59,526 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:41:59,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-10-20 01:41:59,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 132. [2020-10-20 01:41:59,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-20 01:41:59,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2020-10-20 01:41:59,543 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 31 [2020-10-20 01:41:59,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:59,543 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2020-10-20 01:41:59,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:59,544 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2020-10-20 01:41:59,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:41:59,545 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:59,546 INFO L422 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] [2020-10-20 01:41:59,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:41:59,546 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:59,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:59,547 INFO L82 PathProgramCache]: Analyzing trace with hash -395111701, now seen corresponding path program 1 times [2020-10-20 01:41:59,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:59,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455680849] [2020-10-20 01:41:59,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:59,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:41:59,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455680849] [2020-10-20 01:41:59,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:59,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:41:59,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960750615] [2020-10-20 01:41:59,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:59,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:59,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:59,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:59,604 INFO L87 Difference]: Start difference. First operand 132 states and 184 transitions. Second operand 5 states. [2020-10-20 01:41:59,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:59,763 INFO L93 Difference]: Finished difference Result 344 states and 476 transitions. [2020-10-20 01:41:59,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:41:59,764 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-20 01:41:59,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:59,766 INFO L225 Difference]: With dead ends: 344 [2020-10-20 01:41:59,766 INFO L226 Difference]: Without dead ends: 218 [2020-10-20 01:41:59,767 INFO L677 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 [2020-10-20 01:41:59,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-10-20 01:41:59,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 144. [2020-10-20 01:41:59,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-10-20 01:41:59,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 196 transitions. [2020-10-20 01:41:59,781 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 196 transitions. Word has length 34 [2020-10-20 01:41:59,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:59,781 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 196 transitions. [2020-10-20 01:41:59,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:59,782 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2020-10-20 01:41:59,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:41:59,783 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:59,783 INFO L422 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] [2020-10-20 01:41:59,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:41:59,784 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:59,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:59,784 INFO L82 PathProgramCache]: Analyzing trace with hash -981917715, now seen corresponding path program 1 times [2020-10-20 01:41:59,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:59,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456840786] [2020-10-20 01:41:59,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:59,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:41:59,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456840786] [2020-10-20 01:41:59,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:59,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:41:59,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216912337] [2020-10-20 01:41:59,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:41:59,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:59,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:41:59,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:41:59,845 INFO L87 Difference]: Start difference. First operand 144 states and 196 transitions. Second operand 6 states. [2020-10-20 01:41:59,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:59,941 INFO L93 Difference]: Finished difference Result 378 states and 510 transitions. [2020-10-20 01:41:59,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:41:59,942 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-10-20 01:41:59,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:59,943 INFO L225 Difference]: With dead ends: 378 [2020-10-20 01:41:59,944 INFO L226 Difference]: Without dead ends: 240 [2020-10-20 01:41:59,945 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-20 01:41:59,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-10-20 01:41:59,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 152. [2020-10-20 01:41:59,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-10-20 01:41:59,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 204 transitions. [2020-10-20 01:41:59,959 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 204 transitions. Word has length 34 [2020-10-20 01:41:59,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:59,960 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 204 transitions. [2020-10-20 01:41:59,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:41:59,960 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 204 transitions. [2020-10-20 01:41:59,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:41:59,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:59,962 INFO L422 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] [2020-10-20 01:41:59,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:41:59,963 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:59,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:59,963 INFO L82 PathProgramCache]: Analyzing trace with hash 2033185903, now seen corresponding path program 1 times [2020-10-20 01:41:59,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:59,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590510775] [2020-10-20 01:41:59,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:00,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:00,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590510775] [2020-10-20 01:42:00,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:00,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:00,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403894523] [2020-10-20 01:42:00,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:00,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:00,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:00,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:00,008 INFO L87 Difference]: Start difference. First operand 152 states and 204 transitions. Second operand 3 states. [2020-10-20 01:42:00,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:00,050 INFO L93 Difference]: Finished difference Result 348 states and 466 transitions. [2020-10-20 01:42:00,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:00,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-10-20 01:42:00,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:00,053 INFO L225 Difference]: With dead ends: 348 [2020-10-20 01:42:00,053 INFO L226 Difference]: Without dead ends: 202 [2020-10-20 01:42:00,054 INFO L677 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 [2020-10-20 01:42:00,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-10-20 01:42:00,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2020-10-20 01:42:00,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-10-20 01:42:00,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 264 transitions. [2020-10-20 01:42:00,072 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 264 transitions. Word has length 34 [2020-10-20 01:42:00,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:00,073 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 264 transitions. [2020-10-20 01:42:00,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:00,073 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2020-10-20 01:42:00,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-20 01:42:00,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:00,075 INFO L422 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] [2020-10-20 01:42:00,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:42:00,075 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:00,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:00,076 INFO L82 PathProgramCache]: Analyzing trace with hash -745345683, now seen corresponding path program 1 times [2020-10-20 01:42:00,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:00,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170384665] [2020-10-20 01:42:00,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:00,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:00,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170384665] [2020-10-20 01:42:00,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:00,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-20 01:42:00,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180642228] [2020-10-20 01:42:00,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 01:42:00,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:00,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 01:42:00,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:42:00,158 INFO L87 Difference]: Start difference. First operand 202 states and 264 transitions. Second operand 8 states. [2020-10-20 01:42:00,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:00,589 INFO L93 Difference]: Finished difference Result 710 states and 926 transitions. [2020-10-20 01:42:00,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-20 01:42:00,590 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-10-20 01:42:00,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:00,594 INFO L225 Difference]: With dead ends: 710 [2020-10-20 01:42:00,594 INFO L226 Difference]: Without dead ends: 514 [2020-10-20 01:42:00,595 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2020-10-20 01:42:00,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2020-10-20 01:42:00,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 202. [2020-10-20 01:42:00,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-10-20 01:42:00,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 259 transitions. [2020-10-20 01:42:00,618 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 259 transitions. Word has length 35 [2020-10-20 01:42:00,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:00,618 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 259 transitions. [2020-10-20 01:42:00,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 01:42:00,619 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 259 transitions. [2020-10-20 01:42:00,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-20 01:42:00,620 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:00,620 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:00,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 01:42:00,621 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:00,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:00,621 INFO L82 PathProgramCache]: Analyzing trace with hash -723391325, now seen corresponding path program 1 times [2020-10-20 01:42:00,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:00,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355015712] [2020-10-20 01:42:00,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:00,754 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:00,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355015712] [2020-10-20 01:42:00,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:00,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:42:00,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991480731] [2020-10-20 01:42:00,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:42:00,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:00,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:42:00,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:42:00,757 INFO L87 Difference]: Start difference. First operand 202 states and 259 transitions. Second operand 6 states. [2020-10-20 01:42:01,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:01,044 INFO L93 Difference]: Finished difference Result 1042 states and 1371 transitions. [2020-10-20 01:42:01,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:42:01,045 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-10-20 01:42:01,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:01,051 INFO L225 Difference]: With dead ends: 1042 [2020-10-20 01:42:01,051 INFO L226 Difference]: Without dead ends: 896 [2020-10-20 01:42:01,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-20 01:42:01,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2020-10-20 01:42:01,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 326. [2020-10-20 01:42:01,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-10-20 01:42:01,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 421 transitions. [2020-10-20 01:42:01,093 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 421 transitions. Word has length 56 [2020-10-20 01:42:01,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:01,093 INFO L481 AbstractCegarLoop]: Abstraction has 326 states and 421 transitions. [2020-10-20 01:42:01,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:42:01,093 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 421 transitions. [2020-10-20 01:42:01,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-20 01:42:01,095 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:01,095 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:01,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-20 01:42:01,095 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:01,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:01,096 INFO L82 PathProgramCache]: Analyzing trace with hash -22326747, now seen corresponding path program 1 times [2020-10-20 01:42:01,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:01,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526245751] [2020-10-20 01:42:01,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:01,194 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:42:01,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526245751] [2020-10-20 01:42:01,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:01,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:01,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410399964] [2020-10-20 01:42:01,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:01,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:01,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:01,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:01,196 INFO L87 Difference]: Start difference. First operand 326 states and 421 transitions. Second operand 5 states. [2020-10-20 01:42:01,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:01,264 INFO L93 Difference]: Finished difference Result 660 states and 848 transitions. [2020-10-20 01:42:01,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:01,265 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-10-20 01:42:01,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:01,265 INFO L225 Difference]: With dead ends: 660 [2020-10-20 01:42:01,265 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:42:01,266 INFO L677 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 [2020-10-20 01:42:01,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:42:01,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:42:01,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:42:01,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:42:01,267 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-10-20 01:42:01,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:01,268 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:42:01,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:01,268 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:42:01,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:42:01,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-20 01:42:01,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:42:01,634 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 98 [2020-10-20 01:42:02,072 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2020-10-20 01:42:02,584 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 138 [2020-10-20 01:42:02,856 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 121 [2020-10-20 01:42:03,111 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 123 [2020-10-20 01:42:03,510 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 128 [2020-10-20 01:42:03,796 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 123 [2020-10-20 01:42:03,947 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 109 [2020-10-20 01:42:04,739 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 25 [2020-10-20 01:42:04,964 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 22 [2020-10-20 01:42:05,500 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 21 [2020-10-20 01:42:06,556 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 133 DAG size of output: 20 [2020-10-20 01:42:07,412 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 29 [2020-10-20 01:42:08,237 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 29 [2020-10-20 01:42:08,379 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2020-10-20 01:42:09,226 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 20 [2020-10-20 01:42:09,944 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 23 [2020-10-20 01:42:10,079 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 24 [2020-10-20 01:42:10,768 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 28 [2020-10-20 01:42:10,779 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:10,780 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:42:10,780 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:42:10,780 INFO L270 CegarLoopResult]: At program point L961(lines 956 964) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ~waterLevel~0 0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:10,780 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:42:10,781 INFO L270 CegarLoopResult]: At program point L961-1(lines 956 964) the Hoare annotation is: false [2020-10-20 01:42:10,781 INFO L270 CegarLoopResult]: At program point L961-2(lines 956 964) the Hoare annotation is: false [2020-10-20 01:42:10,781 INFO L270 CegarLoopResult]: At program point L565(lines 565 571) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~10 1) .cse0 (= ~methaneLevelCritical~0 0) (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse0 (= ~pumpRunning~0 0) .cse1 .cse2))) [2020-10-20 01:42:10,781 INFO L270 CegarLoopResult]: At program point L565-1(lines 565 571) the Hoare annotation is: false [2020-10-20 01:42:10,781 INFO L274 CegarLoopResult]: For program point L499(lines 499 505) no Hoare annotation was computed. [2020-10-20 01:42:10,781 INFO L270 CegarLoopResult]: At program point L565-2(lines 565 571) the Hoare annotation is: false [2020-10-20 01:42:10,781 INFO L270 CegarLoopResult]: At program point L499-1(lines 499 505) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (not .cse6) .cse3 .cse4 .cse5) (and (= ULTIMATE.start_main_~tmp~10 1) .cse1 .cse2 .cse6 (<= 2 ~waterLevel~0) .cse4 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0) .cse5))) [2020-10-20 01:42:10,782 INFO L270 CegarLoopResult]: At program point L104(lines 99 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:10,782 INFO L270 CegarLoopResult]: At program point L535(lines 488 536) the Hoare annotation is: false [2020-10-20 01:42:10,782 INFO L274 CegarLoopResult]: For program point L736(lines 736 740) no Hoare annotation was computed. [2020-10-20 01:42:10,782 INFO L274 CegarLoopResult]: For program point L736-2(lines 736 740) no Hoare annotation was computed. [2020-10-20 01:42:10,782 INFO L274 CegarLoopResult]: For program point L736-3(lines 736 740) no Hoare annotation was computed. [2020-10-20 01:42:10,782 INFO L274 CegarLoopResult]: For program point L736-5(lines 736 740) no Hoare annotation was computed. [2020-10-20 01:42:10,782 INFO L274 CegarLoopResult]: For program point L736-6(lines 736 740) no Hoare annotation was computed. [2020-10-20 01:42:10,783 INFO L274 CegarLoopResult]: For program point L736-8(lines 736 740) no Hoare annotation was computed. [2020-10-20 01:42:10,783 INFO L274 CegarLoopResult]: For program point L736-9(lines 736 740) no Hoare annotation was computed. [2020-10-20 01:42:10,783 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:10,783 INFO L274 CegarLoopResult]: For program point L736-11(lines 736 740) no Hoare annotation was computed. [2020-10-20 01:42:10,783 INFO L274 CegarLoopResult]: For program point L736-12(lines 736 740) no Hoare annotation was computed. [2020-10-20 01:42:10,783 INFO L274 CegarLoopResult]: For program point L736-14(lines 736 740) no Hoare annotation was computed. [2020-10-20 01:42:10,783 INFO L274 CegarLoopResult]: For program point L736-15(lines 736 740) no Hoare annotation was computed. [2020-10-20 01:42:10,783 INFO L274 CegarLoopResult]: For program point L736-17(lines 736 740) no Hoare annotation was computed. [2020-10-20 01:42:10,784 INFO L274 CegarLoopResult]: For program point L869(lines 869 873) no Hoare annotation was computed. [2020-10-20 01:42:10,784 INFO L274 CegarLoopResult]: For program point L869-3(lines 869 873) no Hoare annotation was computed. [2020-10-20 01:42:10,784 INFO L274 CegarLoopResult]: For program point L869-6(lines 869 873) no Hoare annotation was computed. [2020-10-20 01:42:10,784 INFO L274 CegarLoopResult]: For program point L970(line 970) no Hoare annotation was computed. [2020-10-20 01:42:10,784 INFO L274 CegarLoopResult]: For program point L970-1(line 970) no Hoare annotation was computed. [2020-10-20 01:42:10,784 INFO L274 CegarLoopResult]: For program point L970-2(line 970) no Hoare annotation was computed. [2020-10-20 01:42:10,784 INFO L274 CegarLoopResult]: For program point L509(lines 509 515) no Hoare annotation was computed. [2020-10-20 01:42:10,784 INFO L270 CegarLoopResult]: At program point L509-1(lines 509 515) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and (= ULTIMATE.start_main_~tmp~10 1) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-10-20 01:42:10,785 INFO L270 CegarLoopResult]: At program point L906(lines 901 909) the Hoare annotation is: false [2020-10-20 01:42:10,785 INFO L270 CegarLoopResult]: At program point L906-1(lines 901 909) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (not .cse2) (not .cse3) .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2020-10-20 01:42:10,785 INFO L270 CegarLoopResult]: At program point L906-2(lines 901 909) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 (not .cse2) (not .cse3) .cse6 .cse4 .cse5) (and (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse1 .cse2 .cse3 .cse6 .cse4 .cse5))) [2020-10-20 01:42:10,785 INFO L270 CegarLoopResult]: At program point L906-3(lines 901 909) the Hoare annotation is: false [2020-10-20 01:42:10,785 INFO L270 CegarLoopResult]: At program point L906-4(lines 901 909) the Hoare annotation is: false [2020-10-20 01:42:10,785 INFO L270 CegarLoopResult]: At program point L906-5(lines 901 909) the Hoare annotation is: false [2020-10-20 01:42:10,785 INFO L270 CegarLoopResult]: At program point L906-6(lines 901 909) the Hoare annotation is: false [2020-10-20 01:42:10,786 INFO L270 CegarLoopResult]: At program point L906-7(lines 901 909) the Hoare annotation is: false [2020-10-20 01:42:10,786 INFO L270 CegarLoopResult]: At program point L906-8(lines 901 909) the Hoare annotation is: false [2020-10-20 01:42:10,786 INFO L270 CegarLoopResult]: At program point L742(lines 727 745) the Hoare annotation is: false [2020-10-20 01:42:10,786 INFO L270 CegarLoopResult]: At program point L742-1(lines 727 745) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 .cse4))) [2020-10-20 01:42:10,786 INFO L270 CegarLoopResult]: At program point L742-2(lines 727 745) the Hoare annotation is: false [2020-10-20 01:42:10,786 INFO L270 CegarLoopResult]: At program point L742-3(lines 727 745) the Hoare annotation is: false [2020-10-20 01:42:10,786 INFO L270 CegarLoopResult]: At program point L742-4(lines 727 745) the Hoare annotation is: false [2020-10-20 01:42:10,786 INFO L270 CegarLoopResult]: At program point L742-5(lines 727 745) the Hoare annotation is: false [2020-10-20 01:42:10,787 INFO L270 CegarLoopResult]: At program point L777-2(lines 777 791) the Hoare annotation is: false [2020-10-20 01:42:10,787 INFO L270 CegarLoopResult]: At program point L678(lines 671 681) the Hoare annotation is: false [2020-10-20 01:42:10,787 INFO L270 CegarLoopResult]: At program point L678-1(lines 671 681) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 (not .cse2) (not .cse3) .cse4 .cse5 .cse6 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse7))) [2020-10-20 01:42:10,787 INFO L270 CegarLoopResult]: At program point L678-2(lines 671 681) the Hoare annotation is: false [2020-10-20 01:42:10,787 INFO L270 CegarLoopResult]: At program point L678-3(lines 671 681) the Hoare annotation is: false [2020-10-20 01:42:10,787 INFO L270 CegarLoopResult]: At program point L678-4(lines 671 681) the Hoare annotation is: false [2020-10-20 01:42:10,787 INFO L270 CegarLoopResult]: At program point L678-5(lines 671 681) the Hoare annotation is: false [2020-10-20 01:42:10,788 INFO L274 CegarLoopResult]: For program point L778(line 778) no Hoare annotation was computed. [2020-10-20 01:42:10,788 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:42:10,788 INFO L274 CegarLoopResult]: For program point L53(lines 53 66) no Hoare annotation was computed. [2020-10-20 01:42:10,788 INFO L270 CegarLoopResult]: At program point L53-1(lines 1 973) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (not .cse6) .cse3 .cse4 .cse5) (and (= ULTIMATE.start_main_~tmp~10 1) .cse1 .cse2 .cse6 (<= 2 ~waterLevel~0) .cse4 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0) .cse5))) [2020-10-20 01:42:10,788 INFO L274 CegarLoopResult]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2020-10-20 01:42:10,788 INFO L270 CegarLoopResult]: At program point L53-3(lines 1 973) the Hoare annotation is: false [2020-10-20 01:42:10,788 INFO L274 CegarLoopResult]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2020-10-20 01:42:10,788 INFO L270 CegarLoopResult]: At program point L53-5(lines 1 973) the Hoare annotation is: false [2020-10-20 01:42:10,789 INFO L274 CegarLoopResult]: For program point L946(lines 946 952) no Hoare annotation was computed. [2020-10-20 01:42:10,789 INFO L274 CegarLoopResult]: For program point L946-1(lines 946 952) no Hoare annotation was computed. [2020-10-20 01:42:10,789 INFO L274 CegarLoopResult]: For program point L946-2(lines 946 952) no Hoare annotation was computed. [2020-10-20 01:42:10,789 INFO L274 CegarLoopResult]: For program point L946-3(lines 946 952) no Hoare annotation was computed. [2020-10-20 01:42:10,789 INFO L274 CegarLoopResult]: For program point L946-4(lines 946 952) no Hoare annotation was computed. [2020-10-20 01:42:10,789 INFO L274 CegarLoopResult]: For program point L781(lines 781 785) no Hoare annotation was computed. [2020-10-20 01:42:10,789 INFO L274 CegarLoopResult]: For program point L946-5(lines 946 952) no Hoare annotation was computed. [2020-10-20 01:42:10,789 INFO L274 CegarLoopResult]: For program point L781-1(lines 558 564) no Hoare annotation was computed. [2020-10-20 01:42:10,789 INFO L274 CegarLoopResult]: For program point L616(lines 616 633) no Hoare annotation was computed. [2020-10-20 01:42:10,790 INFO L274 CegarLoopResult]: For program point L616-1(lines 616 633) no Hoare annotation was computed. [2020-10-20 01:42:10,790 INFO L274 CegarLoopResult]: For program point L616-2(lines 616 633) no Hoare annotation was computed. [2020-10-20 01:42:10,790 INFO L274 CegarLoopResult]: For program point L881(lines 881 885) no Hoare annotation was computed. [2020-10-20 01:42:10,790 INFO L274 CegarLoopResult]: For program point L848(lines 848 855) no Hoare annotation was computed. [2020-10-20 01:42:10,790 INFO L277 CegarLoopResult]: At program point L848-1(lines 848 855) the Hoare annotation is: true [2020-10-20 01:42:10,790 INFO L274 CegarLoopResult]: For program point L519(lines 519 530) no Hoare annotation was computed. [2020-10-20 01:42:10,790 INFO L274 CegarLoopResult]: For program point L57(lines 57 63) no Hoare annotation was computed. [2020-10-20 01:42:10,790 INFO L274 CegarLoopResult]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2020-10-20 01:42:10,791 INFO L274 CegarLoopResult]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2020-10-20 01:42:10,791 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:42:10,791 INFO L274 CegarLoopResult]: For program point L653(lines 653 659) no Hoare annotation was computed. [2020-10-20 01:42:10,791 INFO L274 CegarLoopResult]: For program point L620(lines 620 628) no Hoare annotation was computed. [2020-10-20 01:42:10,791 INFO L274 CegarLoopResult]: For program point L653-2(lines 653 659) no Hoare annotation was computed. [2020-10-20 01:42:10,791 INFO L274 CegarLoopResult]: For program point L620-1(lines 620 628) no Hoare annotation was computed. [2020-10-20 01:42:10,791 INFO L274 CegarLoopResult]: For program point L620-2(lines 620 628) no Hoare annotation was computed. [2020-10-20 01:42:10,791 INFO L274 CegarLoopResult]: For program point L653-4(lines 653 659) no Hoare annotation was computed. [2020-10-20 01:42:10,791 INFO L274 CegarLoopResult]: For program point L653-6(lines 653 659) no Hoare annotation was computed. [2020-10-20 01:42:10,792 INFO L274 CegarLoopResult]: For program point L653-8(lines 653 659) no Hoare annotation was computed. [2020-10-20 01:42:10,792 INFO L274 CegarLoopResult]: For program point L653-10(lines 653 659) no Hoare annotation was computed. [2020-10-20 01:42:10,792 INFO L270 CegarLoopResult]: At program point L951(lines 942 955) the Hoare annotation is: false [2020-10-20 01:42:10,792 INFO L270 CegarLoopResult]: At program point L951-1(lines 942 955) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2020-10-20 01:42:10,792 INFO L270 CegarLoopResult]: At program point L951-2(lines 942 955) the Hoare annotation is: false [2020-10-20 01:42:10,792 INFO L270 CegarLoopResult]: At program point L951-3(lines 942 955) the Hoare annotation is: false [2020-10-20 01:42:10,792 INFO L270 CegarLoopResult]: At program point L951-4(lines 942 955) the Hoare annotation is: false [2020-10-20 01:42:10,793 INFO L270 CegarLoopResult]: At program point L951-5(lines 942 955) the Hoare annotation is: false [2020-10-20 01:42:10,793 INFO L270 CegarLoopResult]: At program point L687(lines 682 690) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= 1 ~systemActive~0) (not (= ~methaneLevelCritical~0 0)) (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:10,793 INFO L270 CegarLoopResult]: At program point L687-1(lines 682 690) the Hoare annotation is: false [2020-10-20 01:42:10,793 INFO L270 CegarLoopResult]: At program point L687-2(lines 682 690) the Hoare annotation is: false [2020-10-20 01:42:10,793 INFO L274 CegarLoopResult]: For program point L490(lines 489 534) no Hoare annotation was computed. [2020-10-20 01:42:10,793 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:42:10,793 INFO L274 CegarLoopResult]: For program point L755(lines 755 759) no Hoare annotation was computed. [2020-10-20 01:42:10,794 INFO L274 CegarLoopResult]: For program point L755-2(lines 755 759) no Hoare annotation was computed. [2020-10-20 01:42:10,794 INFO L274 CegarLoopResult]: For program point L755-3(lines 755 759) no Hoare annotation was computed. [2020-10-20 01:42:10,794 INFO L274 CegarLoopResult]: For program point L590(lines 590 607) no Hoare annotation was computed. [2020-10-20 01:42:10,794 INFO L274 CegarLoopResult]: For program point L755-5(lines 755 759) no Hoare annotation was computed. [2020-10-20 01:42:10,794 INFO L274 CegarLoopResult]: For program point L590-1(lines 590 607) no Hoare annotation was computed. [2020-10-20 01:42:10,794 INFO L274 CegarLoopResult]: For program point L755-6(lines 755 759) no Hoare annotation was computed. [2020-10-20 01:42:10,794 INFO L274 CegarLoopResult]: For program point L590-2(lines 590 607) no Hoare annotation was computed. [2020-10-20 01:42:10,794 INFO L274 CegarLoopResult]: For program point L491(lines 491 495) no Hoare annotation was computed. [2020-10-20 01:42:10,794 INFO L274 CegarLoopResult]: For program point L590-3(lines 590 607) no Hoare annotation was computed. [2020-10-20 01:42:10,795 INFO L274 CegarLoopResult]: For program point L755-8(lines 755 759) no Hoare annotation was computed. [2020-10-20 01:42:10,795 INFO L274 CegarLoopResult]: For program point L590-4(lines 590 607) no Hoare annotation was computed. [2020-10-20 01:42:10,795 INFO L274 CegarLoopResult]: For program point L590-5(lines 590 607) no Hoare annotation was computed. [2020-10-20 01:42:10,795 INFO L270 CegarLoopResult]: At program point L558(lines 557 576) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and (= ULTIMATE.start_main_~tmp~10 1) .cse0 (not (= ~waterLevel~0 0)) .cse1 .cse2))) [2020-10-20 01:42:10,795 INFO L274 CegarLoopResult]: For program point L525(lines 525 529) no Hoare annotation was computed. [2020-10-20 01:42:10,795 INFO L274 CegarLoopResult]: For program point L558-1(lines 558 564) no Hoare annotation was computed. [2020-10-20 01:42:10,795 INFO L270 CegarLoopResult]: At program point L558-2(lines 557 576) the Hoare annotation is: false [2020-10-20 01:42:10,795 INFO L274 CegarLoopResult]: For program point L525-2(lines 558 564) no Hoare annotation was computed. [2020-10-20 01:42:10,796 INFO L270 CegarLoopResult]: At program point L558-3(lines 557 576) the Hoare annotation is: false [2020-10-20 01:42:10,796 INFO L270 CegarLoopResult]: At program point L96(lines 1 973) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:10,796 INFO L277 CegarLoopResult]: At program point L857(lines 838 860) the Hoare annotation is: true [2020-10-20 01:42:10,796 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:42:10,796 INFO L270 CegarLoopResult]: At program point L825(lines 821 827) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:10,796 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:10,796 INFO L274 CegarLoopResult]: For program point L594(lines 594 602) no Hoare annotation was computed. [2020-10-20 01:42:10,796 INFO L274 CegarLoopResult]: For program point L594-1(lines 594 602) no Hoare annotation was computed. [2020-10-20 01:42:10,797 INFO L274 CegarLoopResult]: For program point L594-2(lines 594 602) no Hoare annotation was computed. [2020-10-20 01:42:10,797 INFO L274 CegarLoopResult]: For program point L594-3(lines 594 602) no Hoare annotation was computed. [2020-10-20 01:42:10,797 INFO L274 CegarLoopResult]: For program point L594-4(lines 594 602) no Hoare annotation was computed. [2020-10-20 01:42:10,797 INFO L274 CegarLoopResult]: For program point L594-5(lines 594 602) no Hoare annotation was computed. [2020-10-20 01:42:10,797 INFO L274 CegarLoopResult]: For program point L893(lines 893 897) no Hoare annotation was computed. [2020-10-20 01:42:10,797 INFO L270 CegarLoopResult]: At program point L761(lines 746 764) the Hoare annotation is: (and (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 1) (= ULTIMATE.start_main_~tmp~10 1) (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_isLowWaterLevel_~tmp~9 0) (not (= ~waterLevel~0 0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:10,797 INFO L270 CegarLoopResult]: At program point L761-1(lines 746 764) the Hoare annotation is: false [2020-10-20 01:42:10,797 INFO L270 CegarLoopResult]: At program point L761-2(lines 746 764) the Hoare annotation is: false [2020-10-20 01:42:10,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:42:10 BoogieIcfgContainer [2020-10-20 01:42:10,829 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:42:10,830 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:42:10,830 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:42:10,830 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:42:10,831 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:57" (3/4) ... [2020-10-20 01:42:10,835 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:42:10,856 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:42:10,858 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:42:10,859 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:42:10,860 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:42:10,862 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:42:10,863 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:10,864 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:10,896 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2020-10-20 01:42:10,896 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2020-10-20 01:42:10,896 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == systemActive && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && \result == 1) [2020-10-20 01:42:10,897 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == systemActive && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && \result == 1) [2020-10-20 01:42:10,897 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:10,898 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && 1 == systemActive) && !(waterLevel == 0)) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:10,898 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:10,899 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:10,900 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && 1 == systemActive) && \result == 0) && !(waterLevel == 0)) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:10,901 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\result == 0) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:10,901 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(\result == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:10,901 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp___0 == 1 && tmp == 1) && \result == 1) && 1 == systemActive) && \result == 0) && tmp == 0) && !(waterLevel == 0)) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:10,902 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:10,904 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:10,904 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((tmp == 1 && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) && \result == 1) [2020-10-20 01:42:10,996 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:42:10,996 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:42:10,998 INFO L168 Benchmark]: Toolchain (without parser) took 15092.60 ms. Allocated memory was 35.1 MB in the beginning and 137.4 MB in the end (delta: 102.2 MB). Free memory was 12.1 MB in the beginning and 21.8 MB in the end (delta: -9.7 MB). Peak memory consumption was 92.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:10,999 INFO L168 Benchmark]: CDTParser took 0.77 ms. Allocated memory is still 33.6 MB. Free memory was 19.1 MB in the beginning and 19.1 MB in the end (delta: 31.4 kB). Peak memory consumption was 31.4 kB. Max. memory is 14.3 GB. [2020-10-20 01:42:10,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.89 ms. Allocated memory was 35.1 MB in the beginning and 45.1 MB in the end (delta: 10.0 MB). Free memory was 11.2 MB in the beginning and 22.2 MB in the end (delta: -11.1 MB). Peak memory consumption was 10.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:11,000 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.55 ms. Allocated memory is still 45.1 MB. Free memory was 22.2 MB in the beginning and 18.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:11,000 INFO L168 Benchmark]: Boogie Preprocessor took 58.11 ms. Allocated memory is still 45.1 MB. Free memory was 17.8 MB in the beginning and 14.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:11,000 INFO L168 Benchmark]: RCFGBuilder took 1049.80 ms. Allocated memory was 45.1 MB in the beginning and 50.3 MB in the end (delta: 5.2 MB). Free memory was 14.7 MB in the beginning and 11.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:11,001 INFO L168 Benchmark]: TraceAbstraction took 13053.41 ms. Allocated memory was 50.3 MB in the beginning and 137.4 MB in the end (delta: 87.0 MB). Free memory was 10.8 MB in the beginning and 38.1 MB in the end (delta: -27.3 MB). Peak memory consumption was 88.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:11,001 INFO L168 Benchmark]: Witness Printer took 166.48 ms. Allocated memory is still 137.4 MB. Free memory was 38.1 MB in the beginning and 21.8 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:11,005 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 ms. Allocated memory is still 33.6 MB. Free memory was 19.1 MB in the beginning and 19.1 MB in the end (delta: 31.4 kB). Peak memory consumption was 31.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 667.89 ms. Allocated memory was 35.1 MB in the beginning and 45.1 MB in the end (delta: 10.0 MB). Free memory was 11.2 MB in the beginning and 22.2 MB in the end (delta: -11.1 MB). Peak memory consumption was 10.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 83.55 ms. Allocated memory is still 45.1 MB. Free memory was 22.2 MB in the beginning and 18.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 58.11 ms. Allocated memory is still 45.1 MB. Free memory was 17.8 MB in the beginning and 14.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1049.80 ms. Allocated memory was 45.1 MB in the beginning and 50.3 MB in the end (delta: 5.2 MB). Free memory was 14.7 MB in the beginning and 11.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 13053.41 ms. Allocated memory was 50.3 MB in the beginning and 137.4 MB in the end (delta: 87.0 MB). Free memory was 10.8 MB in the beginning and 38.1 MB in the end (delta: -27.3 MB). Peak memory consumption was 88.3 MB. Max. memory is 14.3 GB. * Witness Printer took 166.48 ms. Allocated memory is still 137.4 MB. Free memory was 38.1 MB in the beginning and 21.8 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: ((((tmp == 1 && 1 == systemActive) && \result == 0) && !(waterLevel == 0)) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(\result == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: (((((((tmp___0 == 1 && tmp == 1) && \result == 1) && 1 == systemActive) && \result == 0) && tmp == 0) && !(waterLevel == 0)) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: (((((!(\result == 0) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: ((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((tmp == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == systemActive && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && \result == 1) - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: ((((((tmp == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == systemActive && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && \result == 1) - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((tmp == 1 && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) && \result == 1) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: ((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: ((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && 1 == systemActive) && !(waterLevel == 0)) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.4s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1411 SDtfs, 2351 SDslu, 2534 SDs, 0 SdLazy, 341 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=326occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 1464 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 192 NumberOfFragments, 660 HoareAnnotationTreeSize, 54 FomulaSimplifications, 2619992 FormulaSimplificationTreeSizeReduction, 2.6s HoareSimplificationTime, 54 FomulaSimplificationsInter, 441389 FormulaSimplificationTreeSizeReductionInter, 6.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 389 NumberOfCodeBlocks, 389 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 377 ConstructedInterpolants, 0 QuantifiedInterpolants, 25368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 28/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...