./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product58.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_product58.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1aa77a42d44aaff76210b78cb1336cb97af7d944 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 01:41:55,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:41:55,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:41:55,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:41:55,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:41:55,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:41:55,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:41:55,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:41:55,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:41:55,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:41:55,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:41:55,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:41:55,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:41:55,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:41:55,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:41:55,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:41:55,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:41:55,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:41:55,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:41:55,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:41:55,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:41:55,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:41:55,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:41:55,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:41:55,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:41:55,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:41:55,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:41:55,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:41:55,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:41:55,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:41:55,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:41:55,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:41:55,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:41:55,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:41:55,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:41:55,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:41:55,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:41:55,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:41:55,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:41:55,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:41:55,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:41:55,682 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:41:55,729 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:41:55,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:41:55,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:41:55,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:41:55,732 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:41:55,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:41:55,732 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:41:55,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:41:55,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:41:55,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:41:55,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:41:55,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:41:55,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:41:55,733 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:41:55,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:41:55,734 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:41:55,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:41:55,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:41:55,736 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:41:55,736 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:41:55,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:41:55,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:41:55,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:41:55,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:41:55,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:41:55,737 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:41:55,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:41:55,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:41:55,738 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:41:55,738 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 -> 1aa77a42d44aaff76210b78cb1336cb97af7d944 [2020-10-20 01:41:55,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:41:56,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:41:56,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:41:56,015 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:41:56,015 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:41:56,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2020-10-20 01:41:56,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/830a416c0/d02912c0a8724a09851316703a036be7/FLAG7461b41fe [2020-10-20 01:41:56,712 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:41:56,714 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2020-10-20 01:41:56,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/830a416c0/d02912c0a8724a09851316703a036be7/FLAG7461b41fe [2020-10-20 01:41:56,985 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/830a416c0/d02912c0a8724a09851316703a036be7 [2020-10-20 01:41:56,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:41:56,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:41:56,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:56,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:41:57,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:41:57,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:56" (1/1) ... [2020-10-20 01:41:57,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@339e59d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:57, skipping insertion in model container [2020-10-20 01:41:57,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:56" (1/1) ... [2020-10-20 01:41:57,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:41:57,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:41:57,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:57,432 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:41:57,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:57,600 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:41:57,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:57 WrapperNode [2020-10-20 01:41:57,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:57,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:57,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:41:57,602 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:41:57,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:57" (1/1) ... [2020-10-20 01:41:57,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:57" (1/1) ... [2020-10-20 01:41:57,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:57,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:41:57,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:41:57,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:41:57,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:57" (1/1) ... [2020-10-20 01:41:57,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:57" (1/1) ... [2020-10-20 01:41:57,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:57" (1/1) ... [2020-10-20 01:41:57,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:57" (1/1) ... [2020-10-20 01:41:57,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:57" (1/1) ... [2020-10-20 01:41:57,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:57" (1/1) ... [2020-10-20 01:41:57,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:57" (1/1) ... [2020-10-20 01:41:57,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:41:57,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:41:57,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:41:57,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:41:57,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:57" (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 01:41:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:41:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:41:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:41:57,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:41:58,929 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:41:58,929 INFO L298 CfgBuilder]: Removed 200 assume(true) statements. [2020-10-20 01:41:58,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:58 BoogieIcfgContainer [2020-10-20 01:41:58,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:41:58,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:41:58,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:41:58,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:41:58,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:41:56" (1/3) ... [2020-10-20 01:41:58,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a1b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:41:58, skipping insertion in model container [2020-10-20 01:41:58,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:57" (2/3) ... [2020-10-20 01:41:58,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a1b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:41:58, skipping insertion in model container [2020-10-20 01:41:58,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:58" (3/3) ... [2020-10-20 01:41:58,941 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58.cil.c [2020-10-20 01:41:58,954 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:41:58,962 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:41:58,988 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:41:59,016 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:41:59,016 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:41:59,017 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:41:59,017 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:41:59,017 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:41:59,017 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:41:59,018 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:41:59,018 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:41:59,039 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2020-10-20 01:41:59,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:41:59,048 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:59,049 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:41:59,049 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:59,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:59,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1844641052, now seen corresponding path program 1 times [2020-10-20 01:41:59,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:59,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160381872] [2020-10-20 01:41:59,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:59,364 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 01:41:59,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160381872] [2020-10-20 01:41:59,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:59,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:41:59,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830041150] [2020-10-20 01:41:59,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:41:59,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:59,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:41:59,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:41:59,391 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2020-10-20 01:41:59,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:59,464 INFO L93 Difference]: Finished difference Result 267 states and 398 transitions. [2020-10-20 01:41:59,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:41:59,468 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:41:59,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:59,513 INFO L225 Difference]: With dead ends: 267 [2020-10-20 01:41:59,514 INFO L226 Difference]: Without dead ends: 131 [2020-10-20 01:41:59,519 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 01:41:59,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-20 01:41:59,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-10-20 01:41:59,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-20 01:41:59,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2020-10-20 01:41:59,602 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2020-10-20 01:41:59,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:59,603 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2020-10-20 01:41:59,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:41:59,604 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2020-10-20 01:41:59,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:41:59,606 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:59,606 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 01:41:59,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:41:59,607 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:59,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:59,608 INFO L82 PathProgramCache]: Analyzing trace with hash -867808078, now seen corresponding path program 1 times [2020-10-20 01:41:59,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:59,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281969381] [2020-10-20 01:41:59,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:59,785 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 01:41:59,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281969381] [2020-10-20 01:41:59,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:59,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:41:59,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656665531] [2020-10-20 01:41:59,790 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:41:59,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:59,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:41:59,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:41:59,791 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2020-10-20 01:41:59,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:59,807 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2020-10-20 01:41:59,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:41:59,812 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:41:59,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:59,814 INFO L225 Difference]: With dead ends: 131 [2020-10-20 01:41:59,814 INFO L226 Difference]: Without dead ends: 53 [2020-10-20 01:41:59,815 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 01:41:59,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-20 01:41:59,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-20 01:41:59,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-20 01:41:59,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-10-20 01:41:59,826 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2020-10-20 01:41:59,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:59,826 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-10-20 01:41:59,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:41:59,827 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-10-20 01:41:59,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:41:59,828 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:59,828 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 01:41:59,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:41:59,829 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:59,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:59,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1529505855, now seen corresponding path program 1 times [2020-10-20 01:41:59,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:59,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517657876] [2020-10-20 01:41:59,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:59,945 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 01:41:59,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517657876] [2020-10-20 01:41:59,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:59,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:41:59,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166891224] [2020-10-20 01:41:59,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:41:59,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:59,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:41:59,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:41:59,949 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2020-10-20 01:41:59,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:59,983 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2020-10-20 01:41:59,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:41:59,983 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-20 01:41:59,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:59,984 INFO L225 Difference]: With dead ends: 100 [2020-10-20 01:41:59,984 INFO L226 Difference]: Without dead ends: 53 [2020-10-20 01:41:59,986 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 01:41:59,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-20 01:41:59,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-20 01:41:59,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-20 01:41:59,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2020-10-20 01:41:59,995 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2020-10-20 01:41:59,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:59,995 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2020-10-20 01:41:59,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:41:59,996 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-10-20 01:41:59,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:41:59,997 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:59,997 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 01:41:59,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:41:59,997 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:59,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:59,998 INFO L82 PathProgramCache]: Analyzing trace with hash 583703192, now seen corresponding path program 1 times [2020-10-20 01:41:59,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:59,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604788831] [2020-10-20 01:41:59,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:00,044 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 01:42:00,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604788831] [2020-10-20 01:42:00,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:00,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:00,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073717282] [2020-10-20 01:42:00,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:00,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:00,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:00,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:00,046 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2020-10-20 01:42:00,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:00,079 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2020-10-20 01:42:00,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:00,080 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-20 01:42:00,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:00,081 INFO L225 Difference]: With dead ends: 121 [2020-10-20 01:42:00,081 INFO L226 Difference]: Without dead ends: 74 [2020-10-20 01:42:00,081 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 01:42:00,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-20 01:42:00,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2020-10-20 01:42:00,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-20 01:42:00,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2020-10-20 01:42:00,090 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2020-10-20 01:42:00,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:00,090 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2020-10-20 01:42:00,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:00,090 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2020-10-20 01:42:00,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-20 01:42:00,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:00,107 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 01:42:00,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:42:00,107 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:00,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:00,108 INFO L82 PathProgramCache]: Analyzing trace with hash -198690772, now seen corresponding path program 1 times [2020-10-20 01:42:00,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:00,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281844853] [2020-10-20 01:42:00,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:00,171 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 01:42:00,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281844853] [2020-10-20 01:42:00,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:00,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:00,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142466703] [2020-10-20 01:42:00,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:00,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:00,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:00,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:00,173 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 5 states. [2020-10-20 01:42:00,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:00,316 INFO L93 Difference]: Finished difference Result 372 states and 538 transitions. [2020-10-20 01:42:00,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:42:00,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-20 01:42:00,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:00,320 INFO L225 Difference]: With dead ends: 372 [2020-10-20 01:42:00,321 INFO L226 Difference]: Without dead ends: 306 [2020-10-20 01:42:00,322 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 01:42:00,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-10-20 01:42:00,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 132. [2020-10-20 01:42:00,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-20 01:42:00,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 185 transitions. [2020-10-20 01:42:00,341 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 185 transitions. Word has length 30 [2020-10-20 01:42:00,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:00,341 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 185 transitions. [2020-10-20 01:42:00,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:00,341 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 185 transitions. [2020-10-20 01:42:00,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-20 01:42:00,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:00,343 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 01:42:00,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:42:00,343 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:00,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:00,344 INFO L82 PathProgramCache]: Analyzing trace with hash 473077730, now seen corresponding path program 1 times [2020-10-20 01:42:00,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:00,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449728518] [2020-10-20 01:42:00,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:00,407 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 01:42:00,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449728518] [2020-10-20 01:42:00,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:00,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:00,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490040871] [2020-10-20 01:42:00,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:00,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:00,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:00,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:00,410 INFO L87 Difference]: Start difference. First operand 132 states and 185 transitions. Second operand 5 states. [2020-10-20 01:42:00,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:00,549 INFO L93 Difference]: Finished difference Result 378 states and 534 transitions. [2020-10-20 01:42:00,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:42:00,550 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-10-20 01:42:00,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:00,552 INFO L225 Difference]: With dead ends: 378 [2020-10-20 01:42:00,553 INFO L226 Difference]: Without dead ends: 376 [2020-10-20 01:42:00,553 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 01:42:00,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-10-20 01:42:00,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 132. [2020-10-20 01:42:00,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-20 01:42:00,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2020-10-20 01:42:00,568 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 31 [2020-10-20 01:42:00,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:00,569 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2020-10-20 01:42:00,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:00,569 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2020-10-20 01:42:00,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:42:00,570 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:00,571 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 01:42:00,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:42:00,571 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:00,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:00,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1697229364, now seen corresponding path program 1 times [2020-10-20 01:42:00,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:00,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427575045] [2020-10-20 01:42:00,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:00,661 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 01:42:00,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427575045] [2020-10-20 01:42:00,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:00,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:00,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711004641] [2020-10-20 01:42:00,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:00,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:00,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:00,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:00,663 INFO L87 Difference]: Start difference. First operand 132 states and 184 transitions. Second operand 5 states. [2020-10-20 01:42:00,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:00,737 INFO L93 Difference]: Finished difference Result 344 states and 476 transitions. [2020-10-20 01:42:00,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:42:00,738 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-20 01:42:00,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:00,740 INFO L225 Difference]: With dead ends: 344 [2020-10-20 01:42:00,740 INFO L226 Difference]: Without dead ends: 218 [2020-10-20 01:42:00,741 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 01:42:00,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-10-20 01:42:00,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 144. [2020-10-20 01:42:00,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-10-20 01:42:00,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 196 transitions. [2020-10-20 01:42:00,754 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 196 transitions. Word has length 34 [2020-10-20 01:42:00,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:00,754 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 196 transitions. [2020-10-20 01:42:00,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:00,755 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2020-10-20 01:42:00,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:42:00,756 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:00,756 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 01:42:00,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:42:00,756 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:00,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:00,757 INFO L82 PathProgramCache]: Analyzing trace with hash 2010931918, now seen corresponding path program 1 times [2020-10-20 01:42:00,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:00,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325029115] [2020-10-20 01:42:00,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:00,830 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 01:42:00,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325029115] [2020-10-20 01:42:00,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:00,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:00,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779668663] [2020-10-20 01:42:00,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:00,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:00,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:00,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:00,833 INFO L87 Difference]: Start difference. First operand 144 states and 196 transitions. Second operand 5 states. [2020-10-20 01:42:00,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:00,933 INFO L93 Difference]: Finished difference Result 378 states and 510 transitions. [2020-10-20 01:42:00,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:42:00,933 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-20 01:42:00,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:00,935 INFO L225 Difference]: With dead ends: 378 [2020-10-20 01:42:00,935 INFO L226 Difference]: Without dead ends: 240 [2020-10-20 01:42:00,936 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:42:00,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-10-20 01:42:00,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 152. [2020-10-20 01:42:00,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-10-20 01:42:00,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 204 transitions. [2020-10-20 01:42:00,950 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 204 transitions. Word has length 34 [2020-10-20 01:42:00,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:00,951 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 204 transitions. [2020-10-20 01:42:00,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:00,951 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 204 transitions. [2020-10-20 01:42:00,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:42:00,952 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:00,952 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 01:42:00,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:42:00,953 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:00,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:00,953 INFO L82 PathProgramCache]: Analyzing trace with hash 731068240, now seen corresponding path program 1 times [2020-10-20 01:42:00,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:00,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211612655] [2020-10-20 01:42:00,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:01,020 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 01:42:01,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211612655] [2020-10-20 01:42:01,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:01,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:01,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494669040] [2020-10-20 01:42:01,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:01,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:01,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:01,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:01,023 INFO L87 Difference]: Start difference. First operand 152 states and 204 transitions. Second operand 3 states. [2020-10-20 01:42:01,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:01,060 INFO L93 Difference]: Finished difference Result 348 states and 466 transitions. [2020-10-20 01:42:01,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:01,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-10-20 01:42:01,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:01,062 INFO L225 Difference]: With dead ends: 348 [2020-10-20 01:42:01,062 INFO L226 Difference]: Without dead ends: 202 [2020-10-20 01:42:01,063 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 01:42:01,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-10-20 01:42:01,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2020-10-20 01:42:01,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-10-20 01:42:01,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 264 transitions. [2020-10-20 01:42:01,081 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 264 transitions. Word has length 34 [2020-10-20 01:42:01,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:01,081 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 264 transitions. [2020-10-20 01:42:01,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:01,081 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2020-10-20 01:42:01,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-20 01:42:01,082 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:01,082 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 01:42:01,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:42:01,083 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:01,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:01,083 INFO L82 PathProgramCache]: Analyzing trace with hash -2047463346, now seen corresponding path program 1 times [2020-10-20 01:42:01,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:01,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129812797] [2020-10-20 01:42:01,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:01,141 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 01:42:01,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129812797] [2020-10-20 01:42:01,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:01,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:42:01,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679643629] [2020-10-20 01:42:01,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:42:01,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:01,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:42:01,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:42:01,143 INFO L87 Difference]: Start difference. First operand 202 states and 264 transitions. Second operand 6 states. [2020-10-20 01:42:01,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:01,412 INFO L93 Difference]: Finished difference Result 612 states and 800 transitions. [2020-10-20 01:42:01,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-20 01:42:01,412 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-10-20 01:42:01,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:01,415 INFO L225 Difference]: With dead ends: 612 [2020-10-20 01:42:01,415 INFO L226 Difference]: Without dead ends: 416 [2020-10-20 01:42:01,416 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-20 01:42:01,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-10-20 01:42:01,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 202. [2020-10-20 01:42:01,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-10-20 01:42:01,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 259 transitions. [2020-10-20 01:42:01,461 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 259 transitions. Word has length 35 [2020-10-20 01:42:01,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:01,461 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 259 transitions. [2020-10-20 01:42:01,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:42:01,462 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 259 transitions. [2020-10-20 01:42:01,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-20 01:42:01,462 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:01,463 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 01:42:01,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 01:42:01,463 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:01,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:01,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1329138851, now seen corresponding path program 1 times [2020-10-20 01:42:01,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:01,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142441871] [2020-10-20 01:42:01,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:01,576 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 01:42:01,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142441871] [2020-10-20 01:42:01,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:01,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:42:01,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726399603] [2020-10-20 01:42:01,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:42:01,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:01,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:42:01,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:42:01,578 INFO L87 Difference]: Start difference. First operand 202 states and 259 transitions. Second operand 6 states. [2020-10-20 01:42:01,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:01,901 INFO L93 Difference]: Finished difference Result 1026 states and 1345 transitions. [2020-10-20 01:42:01,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:42:01,902 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-10-20 01:42:01,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:01,907 INFO L225 Difference]: With dead ends: 1026 [2020-10-20 01:42:01,908 INFO L226 Difference]: Without dead ends: 880 [2020-10-20 01:42:01,909 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 01:42:01,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-10-20 01:42:02,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 390. [2020-10-20 01:42:02,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-10-20 01:42:02,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 500 transitions. [2020-10-20 01:42:02,110 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 500 transitions. Word has length 56 [2020-10-20 01:42:02,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:02,110 INFO L481 AbstractCegarLoop]: Abstraction has 390 states and 500 transitions. [2020-10-20 01:42:02,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:42:02,111 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 500 transitions. [2020-10-20 01:42:02,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-20 01:42:02,112 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:02,112 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 01:42:02,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-20 01:42:02,113 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:02,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:02,113 INFO L82 PathProgramCache]: Analyzing trace with hash 2030203429, now seen corresponding path program 1 times [2020-10-20 01:42:02,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:02,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699270377] [2020-10-20 01:42:02,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:02,179 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 01:42:02,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699270377] [2020-10-20 01:42:02,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:02,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:02,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42325315] [2020-10-20 01:42:02,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:02,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:02,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:02,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:02,182 INFO L87 Difference]: Start difference. First operand 390 states and 500 transitions. Second operand 5 states. [2020-10-20 01:42:02,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:02,258 INFO L93 Difference]: Finished difference Result 724 states and 927 transitions. [2020-10-20 01:42:02,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:02,259 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-10-20 01:42:02,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:02,260 INFO L225 Difference]: With dead ends: 724 [2020-10-20 01:42:02,260 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:42:02,261 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 01:42:02,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:42:02,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:42:02,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:42:02,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:42:02,275 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-10-20 01:42:02,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:02,275 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:42:02,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:02,275 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:42:02,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:42:02,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-20 01:42:02,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:42:02,597 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 120 [2020-10-20 01:42:02,769 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 105 [2020-10-20 01:42:03,091 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 92 [2020-10-20 01:42:03,228 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 85 [2020-10-20 01:42:03,397 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 114 [2020-10-20 01:42:03,591 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 119 [2020-10-20 01:42:03,749 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 120 [2020-10-20 01:42:03,953 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 20 [2020-10-20 01:42:04,609 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 25 [2020-10-20 01:42:05,156 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 31 [2020-10-20 01:42:05,286 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 19 [2020-10-20 01:42:05,624 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 24 [2020-10-20 01:42:05,979 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 26 [2020-10-20 01:42:06,289 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 27 [2020-10-20 01:42:06,919 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 24 [2020-10-20 01:42:07,489 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 16 [2020-10-20 01:42:08,022 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 25 [2020-10-20 01:42:08,352 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 26 [2020-10-20 01:42:08,362 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:08,362 INFO L270 CegarLoopResult]: At program point L102(lines 97 105) the Hoare annotation is: false [2020-10-20 01:42:08,363 INFO L270 CegarLoopResult]: At program point L102-1(lines 97 105) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3))) [2020-10-20 01:42:08,363 INFO L270 CegarLoopResult]: At program point L102-2(lines 97 105) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse1 .cse4 .cse3 .cse5) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse3))) [2020-10-20 01:42:08,363 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:42:08,363 INFO L270 CegarLoopResult]: At program point L102-3(lines 97 105) the Hoare annotation is: false [2020-10-20 01:42:08,364 INFO L270 CegarLoopResult]: At program point L102-4(lines 97 105) the Hoare annotation is: false [2020-10-20 01:42:08,364 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:42:08,364 INFO L270 CegarLoopResult]: At program point L102-5(lines 97 105) the Hoare annotation is: false [2020-10-20 01:42:08,364 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:42:08,364 INFO L270 CegarLoopResult]: At program point L102-6(lines 97 105) the Hoare annotation is: false [2020-10-20 01:42:08,365 INFO L270 CegarLoopResult]: At program point L102-7(lines 97 105) the Hoare annotation is: false [2020-10-20 01:42:08,365 INFO L270 CegarLoopResult]: At program point L102-8(lines 97 105) the Hoare annotation is: false [2020-10-20 01:42:08,365 INFO L274 CegarLoopResult]: For program point L334(lines 334 351) no Hoare annotation was computed. [2020-10-20 01:42:08,365 INFO L274 CegarLoopResult]: For program point L334-1(lines 334 351) no Hoare annotation was computed. [2020-10-20 01:42:08,365 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 351) no Hoare annotation was computed. [2020-10-20 01:42:08,365 INFO L274 CegarLoopResult]: For program point L566(lines 566 570) no Hoare annotation was computed. [2020-10-20 01:42:08,365 INFO L270 CegarLoopResult]: At program point L566-2(lines 276 282) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 .cse5 .cse3) (and .cse4 .cse1 .cse5 .cse3))) [2020-10-20 01:42:08,366 INFO L274 CegarLoopResult]: For program point L500(lines 500 513) no Hoare annotation was computed. [2020-10-20 01:42:08,366 INFO L270 CegarLoopResult]: At program point L500-1(lines 1 984) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2) (and .cse1 .cse0 .cse3 .cse2 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse3 .cse4 .cse2))) [2020-10-20 01:42:08,366 INFO L274 CegarLoopResult]: For program point L500-2(lines 500 513) no Hoare annotation was computed. [2020-10-20 01:42:08,366 INFO L270 CegarLoopResult]: At program point L500-3(lines 1 984) the Hoare annotation is: false [2020-10-20 01:42:08,367 INFO L274 CegarLoopResult]: For program point L500-4(lines 500 513) no Hoare annotation was computed. [2020-10-20 01:42:08,367 INFO L270 CegarLoopResult]: At program point L500-5(lines 1 984) the Hoare annotation is: false [2020-10-20 01:42:08,367 INFO L274 CegarLoopResult]: For program point L371(lines 371 377) no Hoare annotation was computed. [2020-10-20 01:42:08,367 INFO L274 CegarLoopResult]: For program point L338(lines 338 346) no Hoare annotation was computed. [2020-10-20 01:42:08,367 INFO L274 CegarLoopResult]: For program point L371-2(lines 371 377) no Hoare annotation was computed. [2020-10-20 01:42:08,367 INFO L274 CegarLoopResult]: For program point L338-1(lines 338 346) no Hoare annotation was computed. [2020-10-20 01:42:08,367 INFO L274 CegarLoopResult]: For program point L338-2(lines 338 346) no Hoare annotation was computed. [2020-10-20 01:42:08,367 INFO L274 CegarLoopResult]: For program point L371-4(lines 371 377) no Hoare annotation was computed. [2020-10-20 01:42:08,367 INFO L274 CegarLoopResult]: For program point L371-6(lines 371 377) no Hoare annotation was computed. [2020-10-20 01:42:08,368 INFO L274 CegarLoopResult]: For program point L371-8(lines 371 377) no Hoare annotation was computed. [2020-10-20 01:42:08,368 INFO L274 CegarLoopResult]: For program point L371-10(lines 371 377) no Hoare annotation was computed. [2020-10-20 01:42:08,368 INFO L274 CegarLoopResult]: For program point L504(lines 504 510) no Hoare annotation was computed. [2020-10-20 01:42:08,368 INFO L274 CegarLoopResult]: For program point L504-2(lines 504 510) no Hoare annotation was computed. [2020-10-20 01:42:08,368 INFO L270 CegarLoopResult]: At program point L405(lines 400 408) the Hoare annotation is: (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:42:08,368 INFO L270 CegarLoopResult]: At program point L405-1(lines 400 408) the Hoare annotation is: false [2020-10-20 01:42:08,368 INFO L274 CegarLoopResult]: For program point L504-4(lines 504 510) no Hoare annotation was computed. [2020-10-20 01:42:08,368 INFO L270 CegarLoopResult]: At program point L405-2(lines 400 408) the Hoare annotation is: false [2020-10-20 01:42:08,369 INFO L270 CegarLoopResult]: At program point L174-2(lines 174 188) the Hoare annotation is: false [2020-10-20 01:42:08,369 INFO L274 CegarLoopResult]: For program point L538(lines 538 544) no Hoare annotation was computed. [2020-10-20 01:42:08,369 INFO L270 CegarLoopResult]: At program point L538-1(lines 538 544) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2) (and .cse1 .cse0 .cse3 .cse2 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse3 .cse4 .cse2))) [2020-10-20 01:42:08,369 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:08,369 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-20 01:42:08,369 INFO L274 CegarLoopResult]: For program point L142(lines 142 148) no Hoare annotation was computed. [2020-10-20 01:42:08,369 INFO L274 CegarLoopResult]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2020-10-20 01:42:08,369 INFO L274 CegarLoopResult]: For program point L142-2(lines 142 148) no Hoare annotation was computed. [2020-10-20 01:42:08,370 INFO L274 CegarLoopResult]: For program point L142-3(lines 142 148) no Hoare annotation was computed. [2020-10-20 01:42:08,370 INFO L274 CegarLoopResult]: For program point L142-4(lines 142 148) no Hoare annotation was computed. [2020-10-20 01:42:08,370 INFO L274 CegarLoopResult]: For program point L142-5(lines 142 148) no Hoare annotation was computed. [2020-10-20 01:42:08,370 INFO L274 CegarLoopResult]: For program point L473(lines 473 477) no Hoare annotation was computed. [2020-10-20 01:42:08,370 INFO L274 CegarLoopResult]: For program point L473-2(lines 473 477) no Hoare annotation was computed. [2020-10-20 01:42:08,370 INFO L274 CegarLoopResult]: For program point L473-3(lines 473 477) no Hoare annotation was computed. [2020-10-20 01:42:08,370 INFO L274 CegarLoopResult]: For program point L308(lines 308 325) no Hoare annotation was computed. [2020-10-20 01:42:08,370 INFO L274 CegarLoopResult]: For program point L473-5(lines 473 477) no Hoare annotation was computed. [2020-10-20 01:42:08,370 INFO L274 CegarLoopResult]: For program point L308-1(lines 308 325) no Hoare annotation was computed. [2020-10-20 01:42:08,371 INFO L274 CegarLoopResult]: For program point L473-6(lines 473 477) no Hoare annotation was computed. [2020-10-20 01:42:08,371 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 325) no Hoare annotation was computed. [2020-10-20 01:42:08,371 INFO L274 CegarLoopResult]: For program point L308-3(lines 308 325) no Hoare annotation was computed. [2020-10-20 01:42:08,371 INFO L274 CegarLoopResult]: For program point L473-8(lines 473 477) no Hoare annotation was computed. [2020-10-20 01:42:08,371 INFO L274 CegarLoopResult]: For program point L308-4(lines 308 325) no Hoare annotation was computed. [2020-10-20 01:42:08,371 INFO L274 CegarLoopResult]: For program point L308-5(lines 308 325) no Hoare annotation was computed. [2020-10-20 01:42:08,371 INFO L274 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2020-10-20 01:42:08,371 INFO L270 CegarLoopResult]: At program point L276(lines 275 294) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~waterLevel~0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (and (= ~methaneLevelCritical~0 0) .cse0 .cse2 .cse1))) [2020-10-20 01:42:08,372 INFO L274 CegarLoopResult]: For program point L276-1(lines 276 282) no Hoare annotation was computed. [2020-10-20 01:42:08,372 INFO L270 CegarLoopResult]: At program point L276-2(lines 275 294) the Hoare annotation is: false [2020-10-20 01:42:08,372 INFO L270 CegarLoopResult]: At program point L276-3(lines 275 294) the Hoare annotation is: false [2020-10-20 01:42:08,372 INFO L270 CegarLoopResult]: At program point L607(lines 1 984) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:08,372 INFO L274 CegarLoopResult]: For program point L178(lines 178 182) no Hoare annotation was computed. [2020-10-20 01:42:08,372 INFO L274 CegarLoopResult]: For program point L178-1(lines 276 282) no Hoare annotation was computed. [2020-10-20 01:42:08,372 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-20 01:42:08,372 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-10-20 01:42:08,373 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-10-20 01:42:08,373 INFO L270 CegarLoopResult]: At program point L576(lines 527 577) the Hoare annotation is: false [2020-10-20 01:42:08,373 INFO L274 CegarLoopResult]: For program point L312(lines 312 320) no Hoare annotation was computed. [2020-10-20 01:42:08,373 INFO L274 CegarLoopResult]: For program point L312-1(lines 312 320) no Hoare annotation was computed. [2020-10-20 01:42:08,373 INFO L274 CegarLoopResult]: For program point L312-2(lines 312 320) no Hoare annotation was computed. [2020-10-20 01:42:08,373 INFO L274 CegarLoopResult]: For program point L312-3(lines 312 320) no Hoare annotation was computed. [2020-10-20 01:42:08,373 INFO L274 CegarLoopResult]: For program point L312-4(lines 312 320) no Hoare annotation was computed. [2020-10-20 01:42:08,373 INFO L270 CegarLoopResult]: At program point L147(lines 138 151) the Hoare annotation is: false [2020-10-20 01:42:08,373 INFO L274 CegarLoopResult]: For program point L312-5(lines 312 320) no Hoare annotation was computed. [2020-10-20 01:42:08,374 INFO L270 CegarLoopResult]: At program point L147-1(lines 138 151) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse5 (<= 2 ~waterLevel~0)) (.cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0)) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse2 .cse6 .cse5 .cse3 .cse4) (and .cse0 (= ~waterLevel~0 1) .cse2 .cse6 .cse3 .cse4))) [2020-10-20 01:42:08,374 INFO L270 CegarLoopResult]: At program point L147-2(lines 138 151) the Hoare annotation is: false [2020-10-20 01:42:08,374 INFO L270 CegarLoopResult]: At program point L147-3(lines 138 151) the Hoare annotation is: false [2020-10-20 01:42:08,374 INFO L270 CegarLoopResult]: At program point L147-4(lines 138 151) the Hoare annotation is: false [2020-10-20 01:42:08,374 INFO L270 CegarLoopResult]: At program point L147-5(lines 138 151) the Hoare annotation is: false [2020-10-20 01:42:08,374 INFO L270 CegarLoopResult]: At program point L479(lines 464 482) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isLowWaterLevel_#res| 1)) (.cse1 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0)) (.cse2 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) .cse3 .cse4 .cse6 .cse5))) [2020-10-20 01:42:08,375 INFO L270 CegarLoopResult]: At program point L479-1(lines 464 482) the Hoare annotation is: false [2020-10-20 01:42:08,375 INFO L270 CegarLoopResult]: At program point L479-2(lines 464 482) the Hoare annotation is: false [2020-10-20 01:42:08,375 INFO L270 CegarLoopResult]: At program point L283(lines 283 289) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse0 (<= 2 ~waterLevel~0) .cse2))) [2020-10-20 01:42:08,375 INFO L274 CegarLoopResult]: For program point L250(lines 250 257) no Hoare annotation was computed. [2020-10-20 01:42:08,375 INFO L270 CegarLoopResult]: At program point L283-1(lines 283 289) the Hoare annotation is: false [2020-10-20 01:42:08,375 INFO L270 CegarLoopResult]: At program point L283-2(lines 283 289) the Hoare annotation is: false [2020-10-20 01:42:08,376 INFO L277 CegarLoopResult]: At program point L250-1(lines 250 257) the Hoare annotation is: true [2020-10-20 01:42:08,376 INFO L274 CegarLoopResult]: For program point L548(lines 548 554) no Hoare annotation was computed. [2020-10-20 01:42:08,376 INFO L270 CegarLoopResult]: At program point L548-1(lines 548 554) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 .cse5 .cse3) (and .cse4 .cse1 .cse5 .cse3))) [2020-10-20 01:42:08,376 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:42:08,376 INFO L270 CegarLoopResult]: At program point L615(lines 610 618) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:08,376 INFO L274 CegarLoopResult]: For program point L89(lines 89 93) no Hoare annotation was computed. [2020-10-20 01:42:08,376 INFO L274 CegarLoopResult]: For program point L454(lines 454 458) no Hoare annotation was computed. [2020-10-20 01:42:08,376 INFO L274 CegarLoopResult]: For program point L454-2(lines 454 458) no Hoare annotation was computed. [2020-10-20 01:42:08,377 INFO L274 CegarLoopResult]: For program point L454-3(lines 454 458) no Hoare annotation was computed. [2020-10-20 01:42:08,377 INFO L274 CegarLoopResult]: For program point L454-5(lines 454 458) no Hoare annotation was computed. [2020-10-20 01:42:08,377 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:42:08,377 INFO L274 CegarLoopResult]: For program point L454-6(lines 454 458) no Hoare annotation was computed. [2020-10-20 01:42:08,377 INFO L270 CegarLoopResult]: At program point L223(lines 219 225) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:08,377 INFO L274 CegarLoopResult]: For program point L454-8(lines 454 458) no Hoare annotation was computed. [2020-10-20 01:42:08,377 INFO L270 CegarLoopResult]: At program point L157(lines 152 160) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse3 .cse2))) [2020-10-20 01:42:08,377 INFO L274 CegarLoopResult]: For program point L454-9(lines 454 458) no Hoare annotation was computed. [2020-10-20 01:42:08,378 INFO L270 CegarLoopResult]: At program point L157-1(lines 152 160) the Hoare annotation is: false [2020-10-20 01:42:08,378 INFO L274 CegarLoopResult]: For program point L454-11(lines 454 458) no Hoare annotation was computed. [2020-10-20 01:42:08,378 INFO L270 CegarLoopResult]: At program point L157-2(lines 152 160) the Hoare annotation is: false [2020-10-20 01:42:08,378 INFO L274 CegarLoopResult]: For program point L454-12(lines 454 458) no Hoare annotation was computed. [2020-10-20 01:42:08,378 INFO L274 CegarLoopResult]: For program point L454-14(lines 454 458) no Hoare annotation was computed. [2020-10-20 01:42:08,378 INFO L274 CegarLoopResult]: For program point L454-15(lines 454 458) no Hoare annotation was computed. [2020-10-20 01:42:08,378 INFO L274 CegarLoopResult]: For program point L454-17(lines 454 458) no Hoare annotation was computed. [2020-10-20 01:42:08,378 INFO L277 CegarLoopResult]: At program point L259(lines 240 262) the Hoare annotation is: true [2020-10-20 01:42:08,379 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:42:08,379 INFO L274 CegarLoopResult]: For program point L558(lines 558 571) no Hoare annotation was computed. [2020-10-20 01:42:08,379 INFO L270 CegarLoopResult]: At program point L460(lines 445 463) the Hoare annotation is: false [2020-10-20 01:42:08,379 INFO L270 CegarLoopResult]: At program point L460-1(lines 445 463) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0))) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse7 .cse3 .cse4 .cse8 .cse9) (and .cse6 .cse1 .cse5 .cse7 .cse3 .cse8 .cse4 .cse9))) [2020-10-20 01:42:08,379 INFO L270 CegarLoopResult]: At program point L460-2(lines 445 463) the Hoare annotation is: false [2020-10-20 01:42:08,379 INFO L270 CegarLoopResult]: At program point L460-3(lines 445 463) the Hoare annotation is: false [2020-10-20 01:42:08,380 INFO L270 CegarLoopResult]: At program point L460-4(lines 445 463) the Hoare annotation is: false [2020-10-20 01:42:08,380 INFO L270 CegarLoopResult]: At program point L460-5(lines 445 463) the Hoare annotation is: false [2020-10-20 01:42:08,380 INFO L274 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-10-20 01:42:08,380 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:42:08,380 INFO L274 CegarLoopResult]: For program point L65-3(lines 65 69) no Hoare annotation was computed. [2020-10-20 01:42:08,380 INFO L274 CegarLoopResult]: For program point L65-6(lines 65 69) no Hoare annotation was computed. [2020-10-20 01:42:08,380 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:08,380 INFO L270 CegarLoopResult]: At program point L396(lines 389 399) the Hoare annotation is: false [2020-10-20 01:42:08,381 INFO L270 CegarLoopResult]: At program point L396-1(lines 389 399) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse0 .cse1 .cse2 .cse3))) [2020-10-20 01:42:08,381 INFO L270 CegarLoopResult]: At program point L396-2(lines 389 399) the Hoare annotation is: false [2020-10-20 01:42:08,381 INFO L270 CegarLoopResult]: At program point L396-3(lines 389 399) the Hoare annotation is: false [2020-10-20 01:42:08,381 INFO L270 CegarLoopResult]: At program point L396-4(lines 389 399) the Hoare annotation is: false [2020-10-20 01:42:08,381 INFO L270 CegarLoopResult]: At program point L396-5(lines 389 399) the Hoare annotation is: false [2020-10-20 01:42:08,381 INFO L274 CegarLoopResult]: For program point L529(lines 528 575) no Hoare annotation was computed. [2020-10-20 01:42:08,381 INFO L274 CegarLoopResult]: For program point L530(lines 530 534) no Hoare annotation was computed. [2020-10-20 01:42:08,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:42:08 BoogieIcfgContainer [2020-10-20 01:42:08,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:42:08,418 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:42:08,418 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:42:08,418 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:42:08,419 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:58" (3/4) ... [2020-10-20 01:42:08,423 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:42:08,446 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:42:08,448 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:42:08,449 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:42:08,451 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:42:08,452 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:42:08,453 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:08,454 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:08,486 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2020-10-20 01:42:08,487 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2020-10-20 01:42:08,492 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2020-10-20 01:42:08,493 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2020-10-20 01:42:08,494 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:42:08,494 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-10-20 01:42:08,495 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 0) && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((\result == 1 && tmp == 0) && tmp___0 == 1) && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2020-10-20 01:42:08,495 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((methaneLevelCritical == 1 && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel)) || (((((((!(tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && tmp___0 == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-20 01:42:08,497 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:42:08,497 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && \result == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:42:08,632 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:42:08,633 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:42:08,634 INFO L168 Benchmark]: Toolchain (without parser) took 11645.03 ms. Allocated memory was 40.4 MB in the beginning and 125.3 MB in the end (delta: 84.9 MB). Free memory was 17.3 MB in the beginning and 21.3 MB in the end (delta: -4.0 MB). Peak memory consumption was 80.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:08,635 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 30.9 MB. Free memory was 7.2 MB in the beginning and 7.1 MB in the end (delta: 63.0 kB). Peak memory consumption was 63.0 kB. Max. memory is 14.3 GB. [2020-10-20 01:42:08,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.34 ms. Allocated memory was 40.4 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Free memory was 16.4 MB in the beginning and 18.8 MB in the end (delta: -2.4 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:08,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.35 ms. Allocated memory is still 43.0 MB. Free memory was 18.6 MB in the beginning and 14.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:08,636 INFO L168 Benchmark]: Boogie Preprocessor took 60.11 ms. Allocated memory is still 43.0 MB. Free memory was 14.4 MB in the beginning and 11.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:08,637 INFO L168 Benchmark]: RCFGBuilder took 1187.33 ms. Allocated memory was 43.0 MB in the beginning and 48.2 MB in the end (delta: 5.2 MB). Free memory was 11.2 MB in the beginning and 12.4 MB in the end (delta: -1.2 MB). Peak memory consumption was 4.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:08,637 INFO L168 Benchmark]: TraceAbstraction took 9484.46 ms. Allocated memory was 48.2 MB in the beginning and 125.3 MB in the end (delta: 77.1 MB). Free memory was 12.0 MB in the beginning and 37.1 MB in the end (delta: -25.1 MB). Peak memory consumption was 74.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:08,638 INFO L168 Benchmark]: Witness Printer took 214.95 ms. Allocated memory is still 125.3 MB. Free memory was 37.1 MB in the beginning and 21.3 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:08,642 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 30.9 MB. Free memory was 7.2 MB in the beginning and 7.1 MB in the end (delta: 63.0 kB). Peak memory consumption was 63.0 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 605.34 ms. Allocated memory was 40.4 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Free memory was 16.4 MB in the beginning and 18.8 MB in the end (delta: -2.4 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 82.35 ms. Allocated memory is still 43.0 MB. Free memory was 18.6 MB in the beginning and 14.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 60.11 ms. Allocated memory is still 43.0 MB. Free memory was 14.4 MB in the beginning and 11.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1187.33 ms. Allocated memory was 43.0 MB in the beginning and 48.2 MB in the end (delta: 5.2 MB). Free memory was 11.2 MB in the beginning and 12.4 MB in the end (delta: -1.2 MB). Peak memory consumption was 4.8 MB. Max. memory is 14.3 GB. * TraceAbstraction took 9484.46 ms. Allocated memory was 48.2 MB in the beginning and 125.3 MB in the end (delta: 77.1 MB). Free memory was 12.0 MB in the beginning and 37.1 MB in the end (delta: -25.1 MB). Peak memory consumption was 74.2 MB. Max. memory is 14.3 GB. * Witness Printer took 214.95 ms. Allocated memory is still 125.3 MB. Free memory was 37.1 MB in the beginning and 21.3 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 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: 97]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((methaneLevelCritical == 1 && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel)) || (((((((!(tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && tmp___0 == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == 0) && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((\result == 1 && tmp == 0) && tmp___0 == 1) && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 0 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && \result == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 1 && 1 == systemActive) && 1 <= waterLevel) && splverifierCounter == 0) || (((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: 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: 3.2s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1366 SDtfs, 1939 SDslu, 2379 SDs, 0 SdLazy, 313 SolverSat, 67 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=390occurred 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: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 1286 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 211 NumberOfFragments, 778 HoareAnnotationTreeSize, 55 FomulaSimplifications, 1102587 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 55 FomulaSimplificationsInter, 136342 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 389 NumberOfCodeBlocks, 389 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 377 ConstructedInterpolants, 0 QuantifiedInterpolants, 23835 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...