./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3ad9c9f0403f0ff15bc0d5f7c809182c1025bcda ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:43:31,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:43:31,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:43:31,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:43:31,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:43:31,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:43:31,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:43:31,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:43:31,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:43:31,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:43:31,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:43:31,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:43:31,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:43:31,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:43:31,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:43:31,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:43:31,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:43:31,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:43:31,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:43:31,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:43:31,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:43:31,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:43:31,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:43:31,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:43:31,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:43:31,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:43:31,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:43:31,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:43:31,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:43:31,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:43:31,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:43:31,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:43:31,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:43:31,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:43:31,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:43:31,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:43:31,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:43:31,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:43:31,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:43:31,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:43:31,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:43:31,636 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:43:31,674 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:43:31,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:43:31,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:43:31,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:43:31,676 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:43:31,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:43:31,676 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:43:31,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:43:31,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:43:31,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:43:31,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:43:31,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:43:31,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:43:31,678 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:43:31,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:43:31,678 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:43:31,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:43:31,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:43:31,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:43:31,680 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:43:31,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:43:31,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:43:31,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:43:31,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:43:31,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:43:31,681 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:43:31,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:43:31,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:43:31,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:43:31,682 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 -> 3ad9c9f0403f0ff15bc0d5f7c809182c1025bcda [2020-10-20 01:43:31,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:43:31,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:43:31,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:43:31,983 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:43:31,984 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:43:31,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2020-10-20 01:43:32,067 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/775421a28/2b64f525bc3a4c888ecf75bb64df2c2f/FLAG8a60c5059 [2020-10-20 01:43:32,658 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:43:32,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2020-10-20 01:43:32,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/775421a28/2b64f525bc3a4c888ecf75bb64df2c2f/FLAG8a60c5059 [2020-10-20 01:43:32,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/775421a28/2b64f525bc3a4c888ecf75bb64df2c2f [2020-10-20 01:43:32,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:43:33,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:43:33,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:43:33,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:43:33,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:43:33,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:43:32" (1/1) ... [2020-10-20 01:43:33,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d9bc48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:33, skipping insertion in model container [2020-10-20 01:43:33,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:43:32" (1/1) ... [2020-10-20 01:43:33,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:43:33,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:43:33,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:43:33,461 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:43:33,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:43:33,696 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:43:33,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:33 WrapperNode [2020-10-20 01:43:33,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:43:33,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:43:33,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:43:33,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:43:33,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:33" (1/1) ... [2020-10-20 01:43:33,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:33" (1/1) ... [2020-10-20 01:43:33,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:43:33,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:43:33,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:43:33,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:43:33,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:33" (1/1) ... [2020-10-20 01:43:33,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:33" (1/1) ... [2020-10-20 01:43:33,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:33" (1/1) ... [2020-10-20 01:43:33,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:33" (1/1) ... [2020-10-20 01:43:33,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:33" (1/1) ... [2020-10-20 01:43:33,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:33" (1/1) ... [2020-10-20 01:43:33,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:33" (1/1) ... [2020-10-20 01:43:33,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:43:33,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:43:33,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:43:33,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:43:33,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:33" (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 01:43:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:43:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:43:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:43:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:43:35,012 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:43:35,013 INFO L298 CfgBuilder]: Removed 204 assume(true) statements. [2020-10-20 01:43:35,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:35 BoogieIcfgContainer [2020-10-20 01:43:35,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:43:35,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:43:35,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:43:35,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:43:35,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:43:32" (1/3) ... [2020-10-20 01:43:35,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@228af3a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:43:35, skipping insertion in model container [2020-10-20 01:43:35,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:33" (2/3) ... [2020-10-20 01:43:35,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@228af3a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:43:35, skipping insertion in model container [2020-10-20 01:43:35,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:35" (3/3) ... [2020-10-20 01:43:35,027 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product57.cil.c [2020-10-20 01:43:35,039 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:43:35,049 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:43:35,064 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:43:35,097 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:43:35,097 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:43:35,097 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:43:35,098 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:43:35,098 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:43:35,099 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:43:35,099 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:43:35,099 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:43:35,121 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2020-10-20 01:43:35,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:43:35,129 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:35,130 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:35,131 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:35,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:35,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1974105627, now seen corresponding path program 1 times [2020-10-20 01:43:35,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:35,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076016275] [2020-10-20 01:43:35,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:35,455 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 01:43:35,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076016275] [2020-10-20 01:43:35,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:35,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:43:35,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578396913] [2020-10-20 01:43:35,463 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:43:35,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:35,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:43:35,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:43:35,480 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2020-10-20 01:43:35,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:35,521 INFO L93 Difference]: Finished difference Result 279 states and 416 transitions. [2020-10-20 01:43:35,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:43:35,522 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:43:35,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:35,537 INFO L225 Difference]: With dead ends: 279 [2020-10-20 01:43:35,537 INFO L226 Difference]: Without dead ends: 137 [2020-10-20 01:43:35,542 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 01:43:35,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-20 01:43:35,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-10-20 01:43:35,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-10-20 01:43:35,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 198 transitions. [2020-10-20 01:43:35,595 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 198 transitions. Word has length 18 [2020-10-20 01:43:35,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:35,595 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 198 transitions. [2020-10-20 01:43:35,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:43:35,596 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2020-10-20 01:43:35,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:43:35,597 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:35,597 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:35,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:43:35,598 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:35,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:35,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1063074874, now seen corresponding path program 1 times [2020-10-20 01:43:35,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:35,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816456709] [2020-10-20 01:43:35,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:35,732 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 01:43:35,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816456709] [2020-10-20 01:43:35,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:35,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:43:35,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903358804] [2020-10-20 01:43:35,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:43:35,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:35,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:43:35,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:35,736 INFO L87 Difference]: Start difference. First operand 137 states and 198 transitions. Second operand 3 states. [2020-10-20 01:43:35,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:35,752 INFO L93 Difference]: Finished difference Result 137 states and 198 transitions. [2020-10-20 01:43:35,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:43:35,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:43:35,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:35,754 INFO L225 Difference]: With dead ends: 137 [2020-10-20 01:43:35,754 INFO L226 Difference]: Without dead ends: 55 [2020-10-20 01:43:35,774 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 01:43:35,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-20 01:43:35,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-20 01:43:35,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-20 01:43:35,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-10-20 01:43:35,789 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2020-10-20 01:43:35,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:35,789 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-10-20 01:43:35,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:43:35,790 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-10-20 01:43:35,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:43:35,791 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:35,791 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 01:43:35,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:43:35,791 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:35,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:35,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1573067069, now seen corresponding path program 1 times [2020-10-20 01:43:35,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:35,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461668006] [2020-10-20 01:43:35,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:35,921 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 01:43:35,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461668006] [2020-10-20 01:43:35,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:35,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:43:35,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928282177] [2020-10-20 01:43:35,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:43:35,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:35,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:43:35,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:43:35,924 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2020-10-20 01:43:36,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:36,136 INFO L93 Difference]: Finished difference Result 104 states and 152 transitions. [2020-10-20 01:43:36,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:43:36,137 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-10-20 01:43:36,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:36,138 INFO L225 Difference]: With dead ends: 104 [2020-10-20 01:43:36,139 INFO L226 Difference]: Without dead ends: 55 [2020-10-20 01:43:36,139 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:43:36,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-20 01:43:36,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-20 01:43:36,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-20 01:43:36,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2020-10-20 01:43:36,148 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2020-10-20 01:43:36,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:36,148 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2020-10-20 01:43:36,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:43:36,149 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2020-10-20 01:43:36,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:43:36,150 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:36,150 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] [2020-10-20 01:43:36,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:43:36,151 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:36,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:36,151 INFO L82 PathProgramCache]: Analyzing trace with hash -630835270, now seen corresponding path program 1 times [2020-10-20 01:43:36,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:36,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709530008] [2020-10-20 01:43:36,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:36,287 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 01:43:36,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709530008] [2020-10-20 01:43:36,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:36,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:43:36,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676867063] [2020-10-20 01:43:36,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:43:36,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:36,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:43:36,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:36,291 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2020-10-20 01:43:36,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:36,354 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2020-10-20 01:43:36,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:43:36,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-20 01:43:36,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:36,356 INFO L225 Difference]: With dead ends: 127 [2020-10-20 01:43:36,356 INFO L226 Difference]: Without dead ends: 78 [2020-10-20 01:43:36,357 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 01:43:36,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-20 01:43:36,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2020-10-20 01:43:36,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-20 01:43:36,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 107 transitions. [2020-10-20 01:43:36,380 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 107 transitions. Word has length 26 [2020-10-20 01:43:36,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:36,380 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 107 transitions. [2020-10-20 01:43:36,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:43:36,381 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2020-10-20 01:43:36,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 01:43:36,382 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:36,382 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] [2020-10-20 01:43:36,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:43:36,386 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:36,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:36,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1446451218, now seen corresponding path program 1 times [2020-10-20 01:43:36,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:36,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934586097] [2020-10-20 01:43:36,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:36,505 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 01:43:36,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934586097] [2020-10-20 01:43:36,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:36,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:43:36,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634347194] [2020-10-20 01:43:36,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:43:36,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:36,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:43:36,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:36,507 INFO L87 Difference]: Start difference. First operand 76 states and 107 transitions. Second operand 5 states. [2020-10-20 01:43:36,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:36,641 INFO L93 Difference]: Finished difference Result 381 states and 553 transitions. [2020-10-20 01:43:36,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:43:36,641 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-10-20 01:43:36,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:36,645 INFO L225 Difference]: With dead ends: 381 [2020-10-20 01:43:36,645 INFO L226 Difference]: Without dead ends: 311 [2020-10-20 01:43:36,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:43:36,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-10-20 01:43:36,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 123. [2020-10-20 01:43:36,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-20 01:43:36,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 170 transitions. [2020-10-20 01:43:36,664 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 170 transitions. Word has length 32 [2020-10-20 01:43:36,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:36,664 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 170 transitions. [2020-10-20 01:43:36,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:43:36,665 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 170 transitions. [2020-10-20 01:43:36,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:43:36,666 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:36,666 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] [2020-10-20 01:43:36,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:43:36,667 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:36,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:36,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1777469548, now seen corresponding path program 1 times [2020-10-20 01:43:36,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:36,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706090507] [2020-10-20 01:43:36,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:36,739 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 01:43:36,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706090507] [2020-10-20 01:43:36,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:36,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:43:36,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116890582] [2020-10-20 01:43:36,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:43:36,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:36,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:43:36,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:43:36,741 INFO L87 Difference]: Start difference. First operand 123 states and 170 transitions. Second operand 4 states. [2020-10-20 01:43:36,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:36,903 INFO L93 Difference]: Finished difference Result 254 states and 358 transitions. [2020-10-20 01:43:36,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:43:36,904 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-10-20 01:43:36,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:36,906 INFO L225 Difference]: With dead ends: 254 [2020-10-20 01:43:36,906 INFO L226 Difference]: Without dead ends: 184 [2020-10-20 01:43:36,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:43:36,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-10-20 01:43:36,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 181. [2020-10-20 01:43:36,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-20 01:43:36,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 251 transitions. [2020-10-20 01:43:36,951 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 251 transitions. Word has length 33 [2020-10-20 01:43:36,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:36,952 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 251 transitions. [2020-10-20 01:43:36,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:43:36,952 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 251 transitions. [2020-10-20 01:43:36,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:43:36,954 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:36,956 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] [2020-10-20 01:43:36,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:43:36,957 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:36,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:36,957 INFO L82 PathProgramCache]: Analyzing trace with hash 766352298, now seen corresponding path program 1 times [2020-10-20 01:43:36,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:36,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100408618] [2020-10-20 01:43:36,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:37,037 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 01:43:37,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100408618] [2020-10-20 01:43:37,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:37,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:43:37,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358114250] [2020-10-20 01:43:37,038 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:43:37,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:37,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:43:37,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:43:37,039 INFO L87 Difference]: Start difference. First operand 181 states and 251 transitions. Second operand 4 states. [2020-10-20 01:43:37,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:37,102 INFO L93 Difference]: Finished difference Result 505 states and 712 transitions. [2020-10-20 01:43:37,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:43:37,103 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-10-20 01:43:37,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:37,105 INFO L225 Difference]: With dead ends: 505 [2020-10-20 01:43:37,105 INFO L226 Difference]: Without dead ends: 376 [2020-10-20 01:43:37,107 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:37,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-10-20 01:43:37,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 181. [2020-10-20 01:43:37,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-20 01:43:37,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 249 transitions. [2020-10-20 01:43:37,123 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 249 transitions. Word has length 33 [2020-10-20 01:43:37,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:37,124 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 249 transitions. [2020-10-20 01:43:37,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:43:37,124 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 249 transitions. [2020-10-20 01:43:37,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:43:37,125 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:37,126 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] [2020-10-20 01:43:37,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:43:37,126 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:37,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:37,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1024517736, now seen corresponding path program 1 times [2020-10-20 01:43:37,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:37,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151655606] [2020-10-20 01:43:37,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:37,220 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 01:43:37,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151655606] [2020-10-20 01:43:37,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:37,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-20 01:43:37,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770063804] [2020-10-20 01:43:37,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:43:37,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:37,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:43:37,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:43:37,223 INFO L87 Difference]: Start difference. First operand 181 states and 249 transitions. Second operand 7 states. [2020-10-20 01:43:37,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:37,377 INFO L93 Difference]: Finished difference Result 634 states and 889 transitions. [2020-10-20 01:43:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:43:37,378 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-10-20 01:43:37,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:37,380 INFO L225 Difference]: With dead ends: 634 [2020-10-20 01:43:37,381 INFO L226 Difference]: Without dead ends: 459 [2020-10-20 01:43:37,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-20 01:43:37,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2020-10-20 01:43:37,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 190. [2020-10-20 01:43:37,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-10-20 01:43:37,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 256 transitions. [2020-10-20 01:43:37,403 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 256 transitions. Word has length 33 [2020-10-20 01:43:37,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:37,404 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 256 transitions. [2020-10-20 01:43:37,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:43:37,404 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 256 transitions. [2020-10-20 01:43:37,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:43:37,405 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:37,406 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, 1] [2020-10-20 01:43:37,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:43:37,406 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:37,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:37,406 INFO L82 PathProgramCache]: Analyzing trace with hash 416532263, now seen corresponding path program 1 times [2020-10-20 01:43:37,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:37,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169756720] [2020-10-20 01:43:37,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:37,469 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 01:43:37,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169756720] [2020-10-20 01:43:37,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:37,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:43:37,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872776949] [2020-10-20 01:43:37,471 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:43:37,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:37,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:43:37,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:43:37,471 INFO L87 Difference]: Start difference. First operand 190 states and 256 transitions. Second operand 6 states. [2020-10-20 01:43:37,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:37,903 INFO L93 Difference]: Finished difference Result 1391 states and 1856 transitions. [2020-10-20 01:43:37,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-20 01:43:37,904 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-10-20 01:43:37,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:37,910 INFO L225 Difference]: With dead ends: 1391 [2020-10-20 01:43:37,911 INFO L226 Difference]: Without dead ends: 1207 [2020-10-20 01:43:37,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-10-20 01:43:37,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2020-10-20 01:43:37,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 360. [2020-10-20 01:43:37,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-10-20 01:43:37,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 478 transitions. [2020-10-20 01:43:37,962 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 478 transitions. Word has length 36 [2020-10-20 01:43:37,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:37,964 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 478 transitions. [2020-10-20 01:43:37,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:43:37,964 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 478 transitions. [2020-10-20 01:43:37,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:43:37,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:37,970 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, 1] [2020-10-20 01:43:37,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:43:37,970 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:37,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:37,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1096590633, now seen corresponding path program 1 times [2020-10-20 01:43:37,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:37,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910107635] [2020-10-20 01:43:37,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:38,068 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 01:43:38,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910107635] [2020-10-20 01:43:38,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:38,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-20 01:43:38,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946338483] [2020-10-20 01:43:38,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:43:38,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:38,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:43:38,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:43:38,070 INFO L87 Difference]: Start difference. First operand 360 states and 478 transitions. Second operand 7 states. [2020-10-20 01:43:38,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:38,405 INFO L93 Difference]: Finished difference Result 1050 states and 1414 transitions. [2020-10-20 01:43:38,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:43:38,405 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2020-10-20 01:43:38,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:38,409 INFO L225 Difference]: With dead ends: 1050 [2020-10-20 01:43:38,409 INFO L226 Difference]: Without dead ends: 696 [2020-10-20 01:43:38,410 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2020-10-20 01:43:38,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-10-20 01:43:38,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 306. [2020-10-20 01:43:38,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-10-20 01:43:38,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 395 transitions. [2020-10-20 01:43:38,448 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 395 transitions. Word has length 36 [2020-10-20 01:43:38,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:38,448 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 395 transitions. [2020-10-20 01:43:38,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:43:38,448 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 395 transitions. [2020-10-20 01:43:38,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-20 01:43:38,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:38,449 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, 1, 1] [2020-10-20 01:43:38,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 01:43:38,450 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:38,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:38,450 INFO L82 PathProgramCache]: Analyzing trace with hash 361452525, now seen corresponding path program 1 times [2020-10-20 01:43:38,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:38,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319745754] [2020-10-20 01:43:38,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:38,502 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 01:43:38,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319745754] [2020-10-20 01:43:38,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:38,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:43:38,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948954764] [2020-10-20 01:43:38,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:43:38,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:38,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:43:38,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:38,504 INFO L87 Difference]: Start difference. First operand 306 states and 395 transitions. Second operand 5 states. [2020-10-20 01:43:38,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:38,709 INFO L93 Difference]: Finished difference Result 745 states and 956 transitions. [2020-10-20 01:43:38,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:43:38,709 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-10-20 01:43:38,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:38,712 INFO L225 Difference]: With dead ends: 745 [2020-10-20 01:43:38,712 INFO L226 Difference]: Without dead ends: 445 [2020-10-20 01:43:38,713 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 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 01:43:38,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2020-10-20 01:43:38,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 286. [2020-10-20 01:43:38,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-10-20 01:43:38,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 358 transitions. [2020-10-20 01:43:38,752 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 358 transitions. Word has length 37 [2020-10-20 01:43:38,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:38,752 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 358 transitions. [2020-10-20 01:43:38,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:43:38,753 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 358 transitions. [2020-10-20 01:43:38,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-20 01:43:38,753 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:38,754 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:38,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-20 01:43:38,754 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:38,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:38,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1002384948, now seen corresponding path program 1 times [2020-10-20 01:43:38,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:38,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268225139] [2020-10-20 01:43:38,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:38,824 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 01:43:38,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268225139] [2020-10-20 01:43:38,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:38,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:43:38,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315792345] [2020-10-20 01:43:38,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:43:38,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:38,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:43:38,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:38,827 INFO L87 Difference]: Start difference. First operand 286 states and 358 transitions. Second operand 5 states. [2020-10-20 01:43:38,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:38,917 INFO L93 Difference]: Finished difference Result 661 states and 831 transitions. [2020-10-20 01:43:38,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:43:38,917 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2020-10-20 01:43:38,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:38,920 INFO L225 Difference]: With dead ends: 661 [2020-10-20 01:43:38,920 INFO L226 Difference]: Without dead ends: 381 [2020-10-20 01:43:38,921 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 01:43:38,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-10-20 01:43:38,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 286. [2020-10-20 01:43:38,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-10-20 01:43:38,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 354 transitions. [2020-10-20 01:43:38,959 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 354 transitions. Word has length 55 [2020-10-20 01:43:38,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:38,960 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 354 transitions. [2020-10-20 01:43:38,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:43:38,960 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 354 transitions. [2020-10-20 01:43:38,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-20 01:43:38,961 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:38,961 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:38,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-20 01:43:38,961 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:38,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:38,962 INFO L82 PathProgramCache]: Analyzing trace with hash 158379446, now seen corresponding path program 1 times [2020-10-20 01:43:38,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:38,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356696669] [2020-10-20 01:43:38,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:39,017 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 01:43:39,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356696669] [2020-10-20 01:43:39,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:39,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:43:39,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610075551] [2020-10-20 01:43:39,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:43:39,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:39,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:43:39,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:43:39,019 INFO L87 Difference]: Start difference. First operand 286 states and 354 transitions. Second operand 4 states. [2020-10-20 01:43:39,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:39,072 INFO L93 Difference]: Finished difference Result 608 states and 763 transitions. [2020-10-20 01:43:39,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:43:39,073 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2020-10-20 01:43:39,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:39,075 INFO L225 Difference]: With dead ends: 608 [2020-10-20 01:43:39,075 INFO L226 Difference]: Without dead ends: 328 [2020-10-20 01:43:39,076 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:39,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-10-20 01:43:39,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 244. [2020-10-20 01:43:39,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-10-20 01:43:39,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 303 transitions. [2020-10-20 01:43:39,103 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 303 transitions. Word has length 55 [2020-10-20 01:43:39,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:39,104 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 303 transitions. [2020-10-20 01:43:39,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:43:39,104 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 303 transitions. [2020-10-20 01:43:39,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-20 01:43:39,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:39,105 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:39,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-20 01:43:39,105 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:39,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:39,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1927838086, now seen corresponding path program 1 times [2020-10-20 01:43:39,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:39,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325622383] [2020-10-20 01:43:39,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:39,165 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 01:43:39,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325622383] [2020-10-20 01:43:39,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:39,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:43:39,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320274804] [2020-10-20 01:43:39,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:43:39,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:39,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:43:39,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:39,167 INFO L87 Difference]: Start difference. First operand 244 states and 303 transitions. Second operand 5 states. [2020-10-20 01:43:39,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:39,276 INFO L93 Difference]: Finished difference Result 622 states and 772 transitions. [2020-10-20 01:43:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:43:39,277 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-10-20 01:43:39,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:39,279 INFO L225 Difference]: With dead ends: 622 [2020-10-20 01:43:39,279 INFO L226 Difference]: Without dead ends: 384 [2020-10-20 01:43:39,280 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:43:39,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2020-10-20 01:43:39,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 244. [2020-10-20 01:43:39,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-10-20 01:43:39,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 299 transitions. [2020-10-20 01:43:39,307 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 299 transitions. Word has length 56 [2020-10-20 01:43:39,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:39,307 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 299 transitions. [2020-10-20 01:43:39,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:43:39,307 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 299 transitions. [2020-10-20 01:43:39,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-20 01:43:39,308 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:39,308 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:39,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-20 01:43:39,308 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:39,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:39,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1733862597, now seen corresponding path program 1 times [2020-10-20 01:43:39,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:39,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863912966] [2020-10-20 01:43:39,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:39,362 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:43:39,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863912966] [2020-10-20 01:43:39,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:39,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:43:39,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527910726] [2020-10-20 01:43:39,363 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:43:39,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:39,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:43:39,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:39,364 INFO L87 Difference]: Start difference. First operand 244 states and 299 transitions. Second operand 5 states. [2020-10-20 01:43:39,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:39,444 INFO L93 Difference]: Finished difference Result 514 states and 643 transitions. [2020-10-20 01:43:39,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:43:39,445 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-10-20 01:43:39,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:39,447 INFO L225 Difference]: With dead ends: 514 [2020-10-20 01:43:39,447 INFO L226 Difference]: Without dead ends: 326 [2020-10-20 01:43:39,448 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 01:43:39,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-10-20 01:43:39,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 250. [2020-10-20 01:43:39,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-10-20 01:43:39,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 305 transitions. [2020-10-20 01:43:39,477 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 305 transitions. Word has length 58 [2020-10-20 01:43:39,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:39,477 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 305 transitions. [2020-10-20 01:43:39,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:43:39,478 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 305 transitions. [2020-10-20 01:43:39,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-20 01:43:39,478 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:39,479 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:39,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-20 01:43:39,479 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:39,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:39,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1992028035, now seen corresponding path program 1 times [2020-10-20 01:43:39,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:39,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684034168] [2020-10-20 01:43:39,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:39,558 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-20 01:43:39,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684034168] [2020-10-20 01:43:39,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346248673] [2020-10-20 01:43:39,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 01:43:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:39,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 01:43:39,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:43:39,760 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-20 01:43:39,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:43:39,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2020-10-20 01:43:39,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540213500] [2020-10-20 01:43:39,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:43:39,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:39,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:43:39,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:43:39,763 INFO L87 Difference]: Start difference. First operand 250 states and 305 transitions. Second operand 7 states. [2020-10-20 01:43:40,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:40,011 INFO L93 Difference]: Finished difference Result 863 states and 1076 transitions. [2020-10-20 01:43:40,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:43:40,011 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-10-20 01:43:40,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:40,012 INFO L225 Difference]: With dead ends: 863 [2020-10-20 01:43:40,012 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:43:40,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-10-20 01:43:40,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:43:40,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:43:40,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:43:40,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:43:40,014 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-10-20 01:43:40,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:40,015 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:43:40,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:43:40,015 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:43:40,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:43:40,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-10-20 01:43:40,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:43:40,513 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 88 [2020-10-20 01:43:41,687 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 357 DAG size of output: 288 [2020-10-20 01:43:41,915 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 163 [2020-10-20 01:43:42,114 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 123 [2020-10-20 01:43:42,508 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 224 [2020-10-20 01:43:42,823 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 136 [2020-10-20 01:43:43,359 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 205 [2020-10-20 01:43:43,765 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 235 [2020-10-20 01:43:44,090 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 32 [2020-10-20 01:43:46,209 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 278 DAG size of output: 57 [2020-10-20 01:43:47,103 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 74 [2020-10-20 01:43:47,627 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 46 [2020-10-20 01:43:49,089 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 212 DAG size of output: 77 [2020-10-20 01:43:49,352 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 29 [2020-10-20 01:43:49,708 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 55 [2020-10-20 01:43:50,530 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 63 [2020-10-20 01:43:50,793 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 42 [2020-10-20 01:43:51,030 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 29 [2020-10-20 01:43:52,486 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 191 DAG size of output: 67 [2020-10-20 01:43:52,728 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2020-10-20 01:43:54,156 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 229 DAG size of output: 37 [2020-10-20 01:43:54,162 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:43:54,162 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-20 01:43:54,162 INFO L274 CegarLoopResult]: For program point L597-1(line 597) no Hoare annotation was computed. [2020-10-20 01:43:54,163 INFO L274 CegarLoopResult]: For program point L597-2(line 597) no Hoare annotation was computed. [2020-10-20 01:43:54,163 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:43:54,163 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:43:54,163 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:43:54,163 INFO L274 CegarLoopResult]: For program point L862(lines 862 873) no Hoare annotation was computed. [2020-10-20 01:43:54,163 INFO L274 CegarLoopResult]: For program point L499(lines 499 505) no Hoare annotation was computed. [2020-10-20 01:43:54,163 INFO L274 CegarLoopResult]: For program point L499-1(lines 499 505) no Hoare annotation was computed. [2020-10-20 01:43:54,163 INFO L274 CegarLoopResult]: For program point L499-2(lines 499 505) no Hoare annotation was computed. [2020-10-20 01:43:54,163 INFO L274 CegarLoopResult]: For program point L499-3(lines 499 505) no Hoare annotation was computed. [2020-10-20 01:43:54,164 INFO L274 CegarLoopResult]: For program point L499-4(lines 499 505) no Hoare annotation was computed. [2020-10-20 01:43:54,164 INFO L274 CegarLoopResult]: For program point L499-5(lines 499 505) no Hoare annotation was computed. [2020-10-20 01:43:54,164 INFO L270 CegarLoopResult]: At program point L797(lines 782 800) the Hoare annotation is: false [2020-10-20 01:43:54,164 INFO L270 CegarLoopResult]: At program point L797-1(lines 782 800) the Hoare annotation is: (let ((.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse15 (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (let ((.cse4 (= ~methaneLevelCritical~0 0)) (.cse12 (<= ~waterLevel~0 1)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 1)) (.cse16 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not .cse15)) (.cse17 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (<= ~waterLevel~0 2)) (.cse11 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse10 (not .cse13))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse12 .cse0 .cse13 .cse3 .cse4 .cse14 .cse15 .cse6 .cse8 .cse16 .cse11) (and .cse12 .cse0 .cse17 .cse13 .cse3 .cse14 .cse15 .cse6 .cse8 .cse16 .cse11) (and .cse0 .cse1 .cse17 .cse2 .cse3 .cse5 .cse6 .cse7 .cse8 .cse9 .cse11 .cse10)))) [2020-10-20 01:43:54,165 INFO L270 CegarLoopResult]: At program point L797-2(lines 782 800) the Hoare annotation is: false [2020-10-20 01:43:54,165 INFO L270 CegarLoopResult]: At program point L797-3(lines 782 800) the Hoare annotation is: false [2020-10-20 01:43:54,165 INFO L270 CegarLoopResult]: At program point L797-4(lines 782 800) the Hoare annotation is: false [2020-10-20 01:43:54,165 INFO L270 CegarLoopResult]: At program point L797-5(lines 782 800) the Hoare annotation is: false [2020-10-20 01:43:54,165 INFO L274 CegarLoopResult]: For program point L434(lines 434 438) no Hoare annotation was computed. [2020-10-20 01:43:54,165 INFO L270 CegarLoopResult]: At program point L898-2(lines 898 912) the Hoare annotation is: false [2020-10-20 01:43:54,165 INFO L270 CegarLoopResult]: At program point L733(lines 726 736) the Hoare annotation is: false [2020-10-20 01:43:54,166 INFO L270 CegarLoopResult]: At program point L733-1(lines 726 736) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse9 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse10 (<= ~waterLevel~0 2)) (.cse11 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse7 .cse8 .cse9 (= ~methaneLevelCritical~0 0) .cse10 .cse11))) [2020-10-20 01:43:54,166 INFO L270 CegarLoopResult]: At program point L733-2(lines 726 736) the Hoare annotation is: false [2020-10-20 01:43:54,166 INFO L270 CegarLoopResult]: At program point L733-3(lines 726 736) the Hoare annotation is: false [2020-10-20 01:43:54,166 INFO L270 CegarLoopResult]: At program point L733-4(lines 726 736) the Hoare annotation is: false [2020-10-20 01:43:54,166 INFO L274 CegarLoopResult]: For program point L568(lines 568 588) no Hoare annotation was computed. [2020-10-20 01:43:54,166 INFO L270 CegarLoopResult]: At program point L733-5(lines 726 736) the Hoare annotation is: false [2020-10-20 01:43:54,166 INFO L274 CegarLoopResult]: For program point L568-2(lines 568 588) no Hoare annotation was computed. [2020-10-20 01:43:54,167 INFO L274 CegarLoopResult]: For program point L568-4(lines 568 588) no Hoare annotation was computed. [2020-10-20 01:43:54,167 INFO L274 CegarLoopResult]: For program point L899(line 899) no Hoare annotation was computed. [2020-10-20 01:43:54,167 INFO L274 CegarLoopResult]: For program point L833(lines 832 877) no Hoare annotation was computed. [2020-10-20 01:43:54,167 INFO L274 CegarLoopResult]: For program point L834(lines 834 838) no Hoare annotation was computed. [2020-10-20 01:43:54,167 INFO L270 CegarLoopResult]: At program point L504(lines 495 508) the Hoare annotation is: false [2020-10-20 01:43:54,167 INFO L270 CegarLoopResult]: At program point L504-1(lines 495 508) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 1)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= ~waterLevel~0 2)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse0 .cse10 .cse2 .cse5 .cse6 .cse11 .cse8) (and .cse9 .cse0 .cse2 .cse3 .cse5 .cse6 .cse11 .cse8) (and .cse0 .cse10 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-10-20 01:43:54,168 INFO L270 CegarLoopResult]: At program point L504-2(lines 495 508) the Hoare annotation is: false [2020-10-20 01:43:54,168 INFO L270 CegarLoopResult]: At program point L504-3(lines 495 508) the Hoare annotation is: false [2020-10-20 01:43:54,168 INFO L270 CegarLoopResult]: At program point L504-4(lines 495 508) the Hoare annotation is: false [2020-10-20 01:43:54,168 INFO L270 CegarLoopResult]: At program point L504-5(lines 495 508) the Hoare annotation is: false [2020-10-20 01:43:54,168 INFO L274 CegarLoopResult]: For program point L868(lines 868 872) no Hoare annotation was computed. [2020-10-20 01:43:54,168 INFO L274 CegarLoopResult]: For program point L868-2(lines 613 619) no Hoare annotation was computed. [2020-10-20 01:43:54,168 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:43:54,168 INFO L274 CegarLoopResult]: For program point L902(lines 902 906) no Hoare annotation was computed. [2020-10-20 01:43:54,168 INFO L274 CegarLoopResult]: For program point L902-1(lines 613 619) no Hoare annotation was computed. [2020-10-20 01:43:54,169 INFO L274 CegarLoopResult]: For program point L671(lines 671 688) no Hoare annotation was computed. [2020-10-20 01:43:54,169 INFO L274 CegarLoopResult]: For program point L671-1(lines 671 688) no Hoare annotation was computed. [2020-10-20 01:43:54,169 INFO L274 CegarLoopResult]: For program point L671-2(lines 671 688) no Hoare annotation was computed. [2020-10-20 01:43:54,169 INFO L274 CegarLoopResult]: For program point L969(lines 969 976) no Hoare annotation was computed. [2020-10-20 01:43:54,169 INFO L277 CegarLoopResult]: At program point L969-1(lines 969 976) the Hoare annotation is: true [2020-10-20 01:43:54,169 INFO L274 CegarLoopResult]: For program point L574(lines 574 587) no Hoare annotation was computed. [2020-10-20 01:43:54,169 INFO L270 CegarLoopResult]: At program point L574-1(lines 1 981) the Hoare annotation is: (let ((.cse19 (= ~pumpRunning~0 0))) (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse11 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse12 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse13 (<= ~waterLevel~0 2)) (.cse14 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse9 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 1)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse20 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse15 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse4 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse22 (= 1 ~systemActive~0)) (.cse25 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse16 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse23 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse21 (<= ~waterLevel~0 1)) (.cse17 (not .cse19)) (.cse18 (= ~methaneLevelCritical~0 0)) (.cse24 (<= |ULTIMATE.start_getWaterLevel_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse15 .cse4 .cse5 .cse16 .cse6 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse10 .cse12 .cse11 .cse17 .cse18 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse19 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse20 .cse21 .cse9 .cse2 .cse3 .cse4 .cse17 .cse22 .cse7 .cse8 .cse23) (and .cse20 .cse21 .cse15 .cse24 .cse22 .cse18 .cse25 .cse16 .cse19 .cse7 .cse8) (and (= ~waterLevel~0 1) .cse0 .cse18 .cse22 .cse19 .cse7 .cse8) (and .cse20 .cse21 .cse9 .cse2 .cse3 .cse22 .cse19 .cse7 .cse8) (and .cse20 .cse15 .cse4 .cse22 .cse25 .cse16 .cse7 .cse8 .cse23 .cse21 .cse17 .cse18 .cse24)))) [2020-10-20 01:43:54,169 INFO L274 CegarLoopResult]: For program point L574-2(lines 574 587) no Hoare annotation was computed. [2020-10-20 01:43:54,170 INFO L270 CegarLoopResult]: At program point L574-3(lines 1 981) the Hoare annotation is: false [2020-10-20 01:43:54,171 INFO L274 CegarLoopResult]: For program point L574-4(lines 574 587) no Hoare annotation was computed. [2020-10-20 01:43:54,174 INFO L270 CegarLoopResult]: At program point L574-5(lines 1 981) the Hoare annotation is: false [2020-10-20 01:43:54,175 INFO L274 CegarLoopResult]: For program point L708(lines 708 714) no Hoare annotation was computed. [2020-10-20 01:43:54,175 INFO L274 CegarLoopResult]: For program point L675(lines 675 683) no Hoare annotation was computed. [2020-10-20 01:43:54,175 INFO L274 CegarLoopResult]: For program point L708-2(lines 708 714) no Hoare annotation was computed. [2020-10-20 01:43:54,175 INFO L274 CegarLoopResult]: For program point L675-1(lines 675 683) no Hoare annotation was computed. [2020-10-20 01:43:54,175 INFO L274 CegarLoopResult]: For program point L675-2(lines 675 683) no Hoare annotation was computed. [2020-10-20 01:43:54,175 INFO L274 CegarLoopResult]: For program point L708-4(lines 708 714) no Hoare annotation was computed. [2020-10-20 01:43:54,176 INFO L274 CegarLoopResult]: For program point L708-6(lines 708 714) no Hoare annotation was computed. [2020-10-20 01:43:54,176 INFO L274 CegarLoopResult]: For program point L708-8(lines 708 714) no Hoare annotation was computed. [2020-10-20 01:43:54,176 INFO L274 CegarLoopResult]: For program point L708-10(lines 708 714) no Hoare annotation was computed. [2020-10-20 01:43:54,176 INFO L270 CegarLoopResult]: At program point L742(lines 737 745) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= ULTIMATE.start_activatePump_~tmp~6 0) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isMethaneAlarm_#res| 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0)) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 2) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) [2020-10-20 01:43:54,177 INFO L270 CegarLoopResult]: At program point L742-1(lines 737 745) the Hoare annotation is: false [2020-10-20 01:43:54,177 INFO L270 CegarLoopResult]: At program point L742-2(lines 737 745) the Hoare annotation is: false [2020-10-20 01:43:54,178 INFO L270 CegarLoopResult]: At program point L544(lines 1 981) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:43:54,178 INFO L274 CegarLoopResult]: For program point L842(lines 842 848) no Hoare annotation was computed. [2020-10-20 01:43:54,178 INFO L270 CegarLoopResult]: At program point L842-1(lines 842 848) the Hoare annotation is: (let ((.cse12 (= ULTIMATE.start_main_~tmp~10 1)) (.cse5 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse15 (= ~pumpRunning~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse14 (<= 2 ~waterLevel~0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (= |ULTIMATE.start_valid_product_#res| 1))) (let ((.cse6 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse10 (and .cse12 .cse5 (not .cse15) .cse7 .cse14 .cse8 .cse9)) (.cse4 (= ~waterLevel~0 1)) (.cse3 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse18 (<= ~waterLevel~0 1)) (.cse19 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse16 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse20 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse21 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse17 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse0 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 1)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse11 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (or (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) .cse10) .cse11) (and .cse12 .cse7 .cse13 .cse14 .cse15 .cse8 .cse11 .cse9) (and .cse16 .cse13 (or (and .cse3 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) .cse10) .cse17 .cse11) (and .cse3 .cse0 .cse18 .cse1 .cse2 .cse5 .cse7 .cse8 .cse9 .cse19) (and .cse4 .cse12 .cse13 .cse7 .cse15 .cse8 .cse9) (and .cse3 .cse18 .cse16 .cse5 .cse7 .cse13 .cse20 .cse21 .cse17 .cse8 .cse9 .cse19) (and .cse12 .cse16 .cse13 .cse7 .cse20 .cse21 .cse17 .cse15 .cse8 .cse11 .cse9) (and .cse12 .cse0 .cse1 .cse2 .cse7 .cse15 .cse8 .cse11 .cse9)))) [2020-10-20 01:43:54,178 INFO L274 CegarLoopResult]: For program point L578(lines 578 584) no Hoare annotation was computed. [2020-10-20 01:43:54,178 INFO L274 CegarLoopResult]: For program point L578-2(lines 578 584) no Hoare annotation was computed. [2020-10-20 01:43:54,178 INFO L274 CegarLoopResult]: For program point L446(lines 446 450) no Hoare annotation was computed. [2020-10-20 01:43:54,179 INFO L274 CegarLoopResult]: For program point L578-4(lines 578 584) no Hoare annotation was computed. [2020-10-20 01:43:54,179 INFO L274 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-10-20 01:43:54,179 INFO L274 CegarLoopResult]: For program point L810-2(lines 810 814) no Hoare annotation was computed. [2020-10-20 01:43:54,179 INFO L274 CegarLoopResult]: For program point L810-3(lines 810 814) no Hoare annotation was computed. [2020-10-20 01:43:54,179 INFO L274 CegarLoopResult]: For program point L645(lines 645 662) no Hoare annotation was computed. [2020-10-20 01:43:54,179 INFO L274 CegarLoopResult]: For program point L810-5(lines 810 814) no Hoare annotation was computed. [2020-10-20 01:43:54,179 INFO L274 CegarLoopResult]: For program point L645-1(lines 645 662) no Hoare annotation was computed. [2020-10-20 01:43:54,179 INFO L274 CegarLoopResult]: For program point L810-6(lines 810 814) no Hoare annotation was computed. [2020-10-20 01:43:54,179 INFO L274 CegarLoopResult]: For program point L645-2(lines 645 662) no Hoare annotation was computed. [2020-10-20 01:43:54,179 INFO L274 CegarLoopResult]: For program point L645-3(lines 645 662) no Hoare annotation was computed. [2020-10-20 01:43:54,179 INFO L274 CegarLoopResult]: For program point L810-8(lines 810 814) no Hoare annotation was computed. [2020-10-20 01:43:54,179 INFO L274 CegarLoopResult]: For program point L645-4(lines 645 662) no Hoare annotation was computed. [2020-10-20 01:43:54,180 INFO L274 CegarLoopResult]: For program point L645-5(lines 645 662) no Hoare annotation was computed. [2020-10-20 01:43:54,180 INFO L270 CegarLoopResult]: At program point L613(lines 612 631) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 1)) (.cse3 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse8 (= ULTIMATE.start_main_~tmp~10 1)) (.cse4 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse9 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse7 .cse5 .cse6) (and .cse8 .cse2 .cse4 .cse9 .cse5 .cse10 .cse6) (and .cse8 .cse4 .cse7 .cse9 .cse5 .cse10 .cse6))) [2020-10-20 01:43:54,180 INFO L274 CegarLoopResult]: For program point L613-1(lines 613 619) no Hoare annotation was computed. [2020-10-20 01:43:54,180 INFO L270 CegarLoopResult]: At program point L613-2(lines 612 631) the Hoare annotation is: false [2020-10-20 01:43:54,180 INFO L270 CegarLoopResult]: At program point L514(lines 509 517) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse3 (not (= ~pumpRunning~0 0))) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 0) .cse5 .cse6) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-10-20 01:43:54,180 INFO L270 CegarLoopResult]: At program point L613-3(lines 612 631) the Hoare annotation is: false [2020-10-20 01:43:54,180 INFO L270 CegarLoopResult]: At program point L514-1(lines 509 517) the Hoare annotation is: false [2020-10-20 01:43:54,180 INFO L270 CegarLoopResult]: At program point L514-2(lines 509 517) the Hoare annotation is: false [2020-10-20 01:43:54,180 INFO L270 CegarLoopResult]: At program point L878(lines 831 879) the Hoare annotation is: false [2020-10-20 01:43:54,181 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:43:54,181 INFO L277 CegarLoopResult]: At program point L978(lines 959 981) the Hoare annotation is: true [2020-10-20 01:43:54,181 INFO L270 CegarLoopResult]: At program point L946(lines 942 948) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:43:54,181 INFO L274 CegarLoopResult]: For program point L649(lines 649 657) no Hoare annotation was computed. [2020-10-20 01:43:54,181 INFO L274 CegarLoopResult]: For program point L649-1(lines 649 657) no Hoare annotation was computed. [2020-10-20 01:43:54,181 INFO L274 CegarLoopResult]: For program point L649-2(lines 649 657) no Hoare annotation was computed. [2020-10-20 01:43:54,181 INFO L274 CegarLoopResult]: For program point L649-3(lines 649 657) no Hoare annotation was computed. [2020-10-20 01:43:54,181 INFO L274 CegarLoopResult]: For program point L649-4(lines 649 657) no Hoare annotation was computed. [2020-10-20 01:43:54,181 INFO L274 CegarLoopResult]: For program point L649-5(lines 649 657) no Hoare annotation was computed. [2020-10-20 01:43:54,182 INFO L270 CegarLoopResult]: At program point L816(lines 801 819) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse3 (not (= ~pumpRunning~0 0))) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 0) .cse5 .cse6) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-10-20 01:43:54,182 INFO L270 CegarLoopResult]: At program point L816-1(lines 801 819) the Hoare annotation is: false [2020-10-20 01:43:54,182 INFO L270 CegarLoopResult]: At program point L816-2(lines 801 819) the Hoare annotation is: false [2020-10-20 01:43:54,182 INFO L270 CegarLoopResult]: At program point L552(lines 547 555) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:43:54,182 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:43:54,182 INFO L270 CegarLoopResult]: At program point L620(lines 620 626) the Hoare annotation is: (let ((.cse20 (= ~pumpRunning~0 0))) (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse8 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse4 (not .cse20)) (.cse11 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse3 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse19 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse12 (<= 2 ~waterLevel~0)) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse15 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse16 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse17 (<= ~waterLevel~0 2)) (.cse18 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse1 (<= ~waterLevel~0 1)) (.cse10 (= ULTIMATE.start_main_~tmp~10 1)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse9 .cse6 .cse7 .cse8) (and .cse10 .cse11 .cse3 .cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse13 .cse6 .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse14 .cse15 .cse4 .cse16 .cse9 .cse17 .cse18) (and .cse10 .cse11 .cse19 .cse2 .cse20 .cse13 .cse6 .cse7 .cse14 .cse16 .cse15 .cse17 .cse18) (and .cse10 .cse11 .cse3 .cse19 .cse2 .cse12 .cse13 .cse6 .cse7 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse1 .cse10 .cse2 .cse5 .cse20 .cse6 .cse7) (and .cse1 .cse10 .cse9 .cse5 .cse20 .cse6 .cse7)))) [2020-10-20 01:43:54,182 INFO L270 CegarLoopResult]: At program point L620-1(lines 620 626) the Hoare annotation is: false [2020-10-20 01:43:54,183 INFO L270 CegarLoopResult]: At program point L620-2(lines 620 626) the Hoare annotation is: false [2020-10-20 01:43:54,183 INFO L274 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-10-20 01:43:54,183 INFO L274 CegarLoopResult]: For program point L422-3(lines 422 426) no Hoare annotation was computed. [2020-10-20 01:43:54,183 INFO L274 CegarLoopResult]: For program point L422-6(lines 422 426) no Hoare annotation was computed. [2020-10-20 01:43:54,183 INFO L274 CegarLoopResult]: For program point L852(lines 852 858) no Hoare annotation was computed. [2020-10-20 01:43:54,184 INFO L270 CegarLoopResult]: At program point L852-1(lines 852 858) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 1)) (.cse3 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse9 (<= 2 ~waterLevel~0)) (.cse11 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse13 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse8 (= ULTIMATE.start_main_~tmp~10 1)) (.cse5 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse12 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (<= ~waterLevel~0 2)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse2 .cse5 .cse4 .cse9 .cse6 .cse7)) .cse10) (and .cse8 .cse11 .cse5 .cse12 .cse6 .cse10 .cse7) (and .cse11 (or (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7) (and .cse8 .cse2 .cse5 .cse9 .cse6 .cse7)) .cse10) (and .cse0 .cse11 .cse2 .cse5 .cse6 .cse10 .cse7 .cse13) (and .cse0 .cse2 .cse5 .cse4 .cse6 .cse10 .cse7 .cse13) (and .cse8 .cse5 .cse4 .cse12 .cse6 .cse10 .cse7))) [2020-10-20 01:43:54,184 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:43:54,184 INFO L270 CegarLoopResult]: At program point L491(lines 486 494) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse10 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse4 (= ~methaneLevelCritical~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse10 .cse4 .cse3 .cse5 .cse6 .cse8 .cse9 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (and .cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse2 .cse10 (<= 2 ~waterLevel~0) .cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse8 .cse9 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0)) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (not .cse7) .cse4 (<= ~waterLevel~0 2) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))))) [2020-10-20 01:43:54,184 INFO L270 CegarLoopResult]: At program point L491-1(lines 486 494) the Hoare annotation is: false [2020-10-20 01:43:54,184 INFO L270 CegarLoopResult]: At program point L491-2(lines 486 494) the Hoare annotation is: false [2020-10-20 01:43:54,185 INFO L270 CegarLoopResult]: At program point L459(lines 454 462) the Hoare annotation is: false [2020-10-20 01:43:54,185 INFO L270 CegarLoopResult]: At program point L459-1(lines 454 462) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse9 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse10 (<= ~waterLevel~0 2)) (.cse11 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= ~methaneLevelCritical~0 0) .cse10 .cse11))) [2020-10-20 01:43:54,185 INFO L270 CegarLoopResult]: At program point L459-2(lines 454 462) the Hoare annotation is: (let ((.cse19 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse18 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse17 (= ~methaneLevelCritical~0 0)) (.cse14 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse15 (<= ~waterLevel~0 1)) (.cse16 (= 1 ~systemActive~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse20 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse10 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse11 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse12 (<= ~waterLevel~0 2)) (.cse13 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse14 .cse15 .cse2 .cse16 .cse17 .cse18 .cse7 .cse8 .cse19) (and .cse14 .cse15 .cse3 .cse4 .cse2 .cse16 .cse7 .cse8 .cse19) (and .cse14 .cse15 .cse16 .cse17 .cse18 .cse20 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse5 .cse18 .cse6 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9 .cse11 .cse10 (not .cse20) .cse17 .cse12 .cse13) (and .cse14 .cse15 .cse3 .cse4 .cse16 .cse20 .cse7 .cse8) (and .cse0 .cse1 .cse3 .cse4 .cse20 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13))) [2020-10-20 01:43:54,186 INFO L270 CegarLoopResult]: At program point L459-3(lines 454 462) the Hoare annotation is: false [2020-10-20 01:43:54,186 INFO L270 CegarLoopResult]: At program point L459-4(lines 454 462) the Hoare annotation is: false [2020-10-20 01:43:54,186 INFO L270 CegarLoopResult]: At program point L459-5(lines 454 462) the Hoare annotation is: false [2020-10-20 01:43:54,186 INFO L270 CegarLoopResult]: At program point L459-6(lines 454 462) the Hoare annotation is: false [2020-10-20 01:43:54,186 INFO L270 CegarLoopResult]: At program point L459-7(lines 454 462) the Hoare annotation is: false [2020-10-20 01:43:54,186 INFO L270 CegarLoopResult]: At program point L459-8(lines 454 462) the Hoare annotation is: false [2020-10-20 01:43:54,186 INFO L274 CegarLoopResult]: For program point L791(lines 791 795) no Hoare annotation was computed. [2020-10-20 01:43:54,186 INFO L274 CegarLoopResult]: For program point L791-2(lines 791 795) no Hoare annotation was computed. [2020-10-20 01:43:54,186 INFO L274 CegarLoopResult]: For program point L791-3(lines 791 795) no Hoare annotation was computed. [2020-10-20 01:43:54,186 INFO L274 CegarLoopResult]: For program point L791-5(lines 791 795) no Hoare annotation was computed. [2020-10-20 01:43:54,187 INFO L274 CegarLoopResult]: For program point L791-6(lines 791 795) no Hoare annotation was computed. [2020-10-20 01:43:54,187 INFO L274 CegarLoopResult]: For program point L791-8(lines 791 795) no Hoare annotation was computed. [2020-10-20 01:43:54,187 INFO L274 CegarLoopResult]: For program point L791-9(lines 791 795) no Hoare annotation was computed. [2020-10-20 01:43:54,187 INFO L274 CegarLoopResult]: For program point L791-11(lines 791 795) no Hoare annotation was computed. [2020-10-20 01:43:54,187 INFO L274 CegarLoopResult]: For program point L791-12(lines 791 795) no Hoare annotation was computed. [2020-10-20 01:43:54,187 INFO L274 CegarLoopResult]: For program point L791-14(lines 791 795) no Hoare annotation was computed. [2020-10-20 01:43:54,187 INFO L274 CegarLoopResult]: For program point L791-15(lines 791 795) no Hoare annotation was computed. [2020-10-20 01:43:54,187 INFO L274 CegarLoopResult]: For program point L791-17(lines 791 795) no Hoare annotation was computed. [2020-10-20 01:43:54,187 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:43:54,188 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:43:54,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:43:54 BoogieIcfgContainer [2020-10-20 01:43:54,244 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:43:54,245 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:43:54,245 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:43:54,245 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:43:54,247 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:35" (3/4) ... [2020-10-20 01:43:54,254 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:43:54,294 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:43:54,296 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:43:54,298 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:43:54,300 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:43:54,301 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:43:54,303 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:43:54,305 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:43:54,349 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2020-10-20 01:43:54,350 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2020-10-20 01:43:54,350 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && \result <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((((((tmp == systemActive && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0) && waterLevel <= 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && \result <= 1) [2020-10-20 01:43:54,351 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && (((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && waterLevel <= 2) || (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((tmp == 0 && methaneLevelCritical == 0) && ((((((((tmp == systemActive && \result == 0) && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && \result == 0) && waterLevel <= 2)) || (((((((((tmp == systemActive && tmp == 1) && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((tmp == 1 && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((tmp == 1 && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:43:54,352 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) && waterLevel <= 2) || ((((((tmp == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((methaneLevelCritical == 1 && (((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && waterLevel <= 2)) || (((((((tmp == systemActive && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && tmp == 0)) || (((((((tmp == systemActive && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && tmp == 0)) || ((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:43:54,354 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:43:54,354 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || (((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:43:54,356 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((tmp == systemActive && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || (((((((tmp == systemActive && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((tmp == systemActive && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) [2020-10-20 01:43:54,357 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:43:54,358 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || (((((((waterLevel <= 1 && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || ((((((((tmp == 1 && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:43:54,363 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((waterLevel <= 1 && tmp == 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((((waterLevel <= 1 && tmp == 1) && tmp == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && \result == systemActive) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) [2020-10-20 01:43:54,365 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:43:54,365 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && !(tmp___0 == 0)) && \result == 1) || ((((((((((waterLevel <= 1 && tmp == 1) && tmp___0 == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || ((((((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && tmp___0 == 0) && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || (((((((((((tmp == 1 && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && !(tmp___0 == 0)) [2020-10-20 01:43:54,366 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && \result == systemActive) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0) [2020-10-20 01:43:54,369 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0)) || (((((((((((((tmp == 1 && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) [2020-10-20 01:43:54,370 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((((((((tmp == 1 && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) [2020-10-20 01:43:54,486 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:43:54,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:43:54,488 INFO L168 Benchmark]: Toolchain (without parser) took 21490.93 ms. Allocated memory was 40.4 MB in the beginning and 168.8 MB in the end (delta: 128.5 MB). Free memory was 17.6 MB in the beginning and 21.8 MB in the end (delta: -4.2 MB). Peak memory consumption was 124.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:54,489 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 30.9 MB. Free memory was 17.1 MB in the beginning and 17.0 MB in the end (delta: 37.4 kB). Peak memory consumption was 37.4 kB. Max. memory is 14.3 GB. [2020-10-20 01:43:54,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.95 ms. Allocated memory was 40.4 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Free memory was 16.7 MB in the beginning and 18.2 MB in the end (delta: -1.6 MB). Peak memory consumption was 6.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:54,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.95 ms. Allocated memory is still 43.0 MB. Free memory was 18.2 MB in the beginning and 13.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:54,490 INFO L168 Benchmark]: Boogie Preprocessor took 66.02 ms. Allocated memory is still 43.0 MB. Free memory was 13.7 MB in the beginning and 25.2 MB in the end (delta: -11.5 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:54,491 INFO L168 Benchmark]: RCFGBuilder took 1158.54 ms. Allocated memory was 43.0 MB in the beginning and 48.2 MB in the end (delta: 5.2 MB). Free memory was 25.2 MB in the beginning and 25.7 MB in the end (delta: -517.4 kB). Peak memory consumption was 20.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:54,491 INFO L168 Benchmark]: TraceAbstraction took 19228.10 ms. Allocated memory was 48.2 MB in the beginning and 168.8 MB in the end (delta: 120.6 MB). Free memory was 25.3 MB in the beginning and 37.8 MB in the end (delta: -12.4 MB). Peak memory consumption was 137.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:54,491 INFO L168 Benchmark]: Witness Printer took 242.28 ms. Allocated memory is still 168.8 MB. Free memory was 37.8 MB in the beginning and 21.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:54,495 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 30.9 MB. Free memory was 17.1 MB in the beginning and 17.0 MB in the end (delta: 37.4 kB). Peak memory consumption was 37.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 692.95 ms. Allocated memory was 40.4 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Free memory was 16.7 MB in the beginning and 18.2 MB in the end (delta: -1.6 MB). Peak memory consumption was 6.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 91.95 ms. Allocated memory is still 43.0 MB. Free memory was 18.2 MB in the beginning and 13.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 66.02 ms. Allocated memory is still 43.0 MB. Free memory was 13.7 MB in the beginning and 25.2 MB in the end (delta: -11.5 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1158.54 ms. Allocated memory was 43.0 MB in the beginning and 48.2 MB in the end (delta: 5.2 MB). Free memory was 25.2 MB in the beginning and 25.7 MB in the end (delta: -517.4 kB). Peak memory consumption was 20.5 MB. Max. memory is 14.3 GB. * TraceAbstraction took 19228.10 ms. Allocated memory was 48.2 MB in the beginning and 168.8 MB in the end (delta: 120.6 MB). Free memory was 25.3 MB in the beginning and 37.8 MB in the end (delta: -12.4 MB). Peak memory consumption was 137.3 MB. Max. memory is 14.3 GB. * Witness Printer took 242.28 ms. Allocated memory is still 168.8 MB. Free memory was 37.8 MB in the beginning and 21.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 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: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || (((((((waterLevel <= 1 && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || ((((((((tmp == 1 && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (((((((((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) && waterLevel <= 2) || ((((((tmp == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((methaneLevelCritical == 1 && (((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && waterLevel <= 2)) || (((((((tmp == systemActive && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && tmp == 0)) || (((((((tmp == systemActive && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && tmp == 0)) || ((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && \result <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((((((tmp == systemActive && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0) && waterLevel <= 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && \result <= 1) - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && !(tmp___0 == 0)) && \result == 1) || ((((((((((waterLevel <= 1 && tmp == 1) && tmp___0 == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || ((((((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && tmp___0 == 0) && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || (((((((((((tmp == 1 && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && !(tmp___0 == 0)) - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && \result == systemActive) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && (((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && waterLevel <= 2) || (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((tmp == 0 && methaneLevelCritical == 0) && ((((((((tmp == systemActive && \result == 0) && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && \result == 0) && waterLevel <= 2)) || (((((((((tmp == systemActive && tmp == 1) && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((tmp == 1 && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((tmp == 1 && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((((((((((waterLevel <= 1 && tmp == 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((((waterLevel <= 1 && tmp == 1) && tmp == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && \result == systemActive) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: ((((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((tmp == systemActive && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || (((((((tmp == systemActive && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((tmp == systemActive && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((((((((tmp == 1 && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: (((((((((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || (((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0)) || (((((((((((((tmp == 1 && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: ((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: ((((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.1s, OverallIterations: 16, TraceHistogramMax: 2, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1854 SDtfs, 3165 SDslu, 3387 SDs, 0 SdLazy, 481 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 192 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=360occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 2448 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 283 NumberOfFragments, 2213 HoareAnnotationTreeSize, 57 FomulaSimplifications, 14612897 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 57 FomulaSimplificationsInter, 1086149 FormulaSimplificationTreeSizeReductionInter, 10.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 667 NumberOfCodeBlocks, 667 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 650 ConstructedInterpolants, 0 QuantifiedInterpolants, 54066 SizeOfPredicates, 4 NumberOfNonLiveVariables, 459 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 17 InterpolantComputations, 15 PerfectInterpolantSequences, 78/90 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...