./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product64.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_spec2_product64.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 e54df5218807ebc1aaf13f5cda92067864bfb3d3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:42:51,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:42:51,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:42:51,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:42:51,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:42:51,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:42:51,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:42:51,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:42:51,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:42:51,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:42:51,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:42:51,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:42:51,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:42:51,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:42:51,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:42:51,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:42:51,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:42:51,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:42:51,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:42:51,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:42:51,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:42:51,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:42:51,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:42:51,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:42:51,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:42:51,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:42:51,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:42:51,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:42:51,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:42:51,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:42:51,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:42:51,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:42:51,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:42:51,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:42:51,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:42:51,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:42:51,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:42:51,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:42:51,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:42:51,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:42:51,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:42:51,775 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:42:51,813 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:42:51,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:42:51,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:42:51,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:42:51,815 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:42:51,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:42:51,816 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:42:51,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:42:51,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:42:51,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:42:51,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:42:51,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:42:51,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:42:51,817 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:42:51,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:42:51,818 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:42:51,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:42:51,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:42:51,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:42:51,819 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:42:51,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:42:51,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:51,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:42:51,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:42:51,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:42:51,820 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:42:51,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:42:51,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:42:51,821 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:42:51,821 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 -> e54df5218807ebc1aaf13f5cda92067864bfb3d3 [2020-10-20 01:42:52,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:42:52,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:42:52,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:42:52,044 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:42:52,046 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:42:52,047 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c [2020-10-20 01:42:52,118 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3efac5d61/e3d2dfea2dc046e0badde9bc6dd5e296/FLAG289af37d5 [2020-10-20 01:42:52,726 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:42:52,727 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c [2020-10-20 01:42:52,740 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3efac5d61/e3d2dfea2dc046e0badde9bc6dd5e296/FLAG289af37d5 [2020-10-20 01:42:53,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3efac5d61/e3d2dfea2dc046e0badde9bc6dd5e296 [2020-10-20 01:42:53,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:42:53,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:42:53,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:53,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:42:53,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:42:53,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:53" (1/1) ... [2020-10-20 01:42:53,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f80f118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:53, skipping insertion in model container [2020-10-20 01:42:53,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:53" (1/1) ... [2020-10-20 01:42:53,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:42:53,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:42:53,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:53,470 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:42:53,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:53,608 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:42:53,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:53 WrapperNode [2020-10-20 01:42:53,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:53,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:53,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:42:53,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:42:53,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:53" (1/1) ... [2020-10-20 01:42:53,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:53" (1/1) ... [2020-10-20 01:42:53,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:53,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:42:53,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:42:53,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:42:53,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:53" (1/1) ... [2020-10-20 01:42:53,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:53" (1/1) ... [2020-10-20 01:42:53,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:53" (1/1) ... [2020-10-20 01:42:53,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:53" (1/1) ... [2020-10-20 01:42:53,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:53" (1/1) ... [2020-10-20 01:42:53,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:53" (1/1) ... [2020-10-20 01:42:53,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:53" (1/1) ... [2020-10-20 01:42:53,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:42:53,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:42:53,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:42:53,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:42:53,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:53" (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 01:42:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:42:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:42:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:42:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:42:55,138 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:42:55,138 INFO L298 CfgBuilder]: Removed 362 assume(true) statements. [2020-10-20 01:42:55,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:55 BoogieIcfgContainer [2020-10-20 01:42:55,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:42:55,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:42:55,157 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:42:55,161 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:42:55,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:42:53" (1/3) ... [2020-10-20 01:42:55,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d559e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:55, skipping insertion in model container [2020-10-20 01:42:55,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:53" (2/3) ... [2020-10-20 01:42:55,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d559e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:55, skipping insertion in model container [2020-10-20 01:42:55,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:55" (3/3) ... [2020-10-20 01:42:55,167 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product64.cil.c [2020-10-20 01:42:55,180 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:42:55,191 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:42:55,207 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:42:55,238 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:42:55,239 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:42:55,239 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:42:55,239 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:42:55,239 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:42:55,239 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:42:55,239 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:42:55,240 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:42:55,263 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states. [2020-10-20 01:42:55,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:42:55,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:55,273 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 01:42:55,273 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:55,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:55,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1592031075, now seen corresponding path program 1 times [2020-10-20 01:42:55,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:55,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332424287] [2020-10-20 01:42:55,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:55,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:55,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332424287] [2020-10-20 01:42:55,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:55,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:55,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879762289] [2020-10-20 01:42:55,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:42:55,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:55,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:42:55,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:55,640 INFO L87 Difference]: Start difference. First operand 234 states. Second operand 2 states. [2020-10-20 01:42:55,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:55,700 INFO L93 Difference]: Finished difference Result 458 states and 687 transitions. [2020-10-20 01:42:55,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:42:55,702 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:42:55,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:55,727 INFO L225 Difference]: With dead ends: 458 [2020-10-20 01:42:55,728 INFO L226 Difference]: Without dead ends: 227 [2020-10-20 01:42:55,732 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 01:42:55,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-20 01:42:55,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2020-10-20 01:42:55,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-10-20 01:42:55,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 334 transitions. [2020-10-20 01:42:55,788 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 334 transitions. Word has length 18 [2020-10-20 01:42:55,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:55,788 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 334 transitions. [2020-10-20 01:42:55,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:42:55,789 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 334 transitions. [2020-10-20 01:42:55,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:42:55,790 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:55,790 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 01:42:55,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:42:55,791 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:55,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:55,792 INFO L82 PathProgramCache]: Analyzing trace with hash 742929603, now seen corresponding path program 1 times [2020-10-20 01:42:55,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:55,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462507993] [2020-10-20 01:42:55,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:55,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:55,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462507993] [2020-10-20 01:42:55,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:55,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:55,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338715706] [2020-10-20 01:42:55,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:55,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:55,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:55,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:55,914 INFO L87 Difference]: Start difference. First operand 227 states and 334 transitions. Second operand 3 states. [2020-10-20 01:42:55,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:55,941 INFO L93 Difference]: Finished difference Result 227 states and 334 transitions. [2020-10-20 01:42:55,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:55,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:42:55,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:55,962 INFO L225 Difference]: With dead ends: 227 [2020-10-20 01:42:55,962 INFO L226 Difference]: Without dead ends: 87 [2020-10-20 01:42:55,964 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 01:42:55,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-20 01:42:55,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-10-20 01:42:55,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-20 01:42:55,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 127 transitions. [2020-10-20 01:42:55,974 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 127 transitions. Word has length 19 [2020-10-20 01:42:55,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:55,974 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 127 transitions. [2020-10-20 01:42:55,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:55,974 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2020-10-20 01:42:55,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:42:55,976 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:55,976 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 01:42:55,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:42:55,977 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:55,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:55,977 INFO L82 PathProgramCache]: Analyzing trace with hash -2011512384, now seen corresponding path program 1 times [2020-10-20 01:42:55,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:55,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495382791] [2020-10-20 01:42:55,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:56,068 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 01:42:56,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495382791] [2020-10-20 01:42:56,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:56,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:56,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516338078] [2020-10-20 01:42:56,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:56,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:56,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:56,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:56,072 INFO L87 Difference]: Start difference. First operand 87 states and 127 transitions. Second operand 3 states. [2020-10-20 01:42:56,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:56,117 INFO L93 Difference]: Finished difference Result 247 states and 367 transitions. [2020-10-20 01:42:56,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:56,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-20 01:42:56,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:56,120 INFO L225 Difference]: With dead ends: 247 [2020-10-20 01:42:56,120 INFO L226 Difference]: Without dead ends: 167 [2020-10-20 01:42:56,121 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 01:42:56,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-10-20 01:42:56,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 163. [2020-10-20 01:42:56,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-20 01:42:56,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 242 transitions. [2020-10-20 01:42:56,141 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 242 transitions. Word has length 24 [2020-10-20 01:42:56,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:56,141 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 242 transitions. [2020-10-20 01:42:56,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:56,142 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 242 transitions. [2020-10-20 01:42:56,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-20 01:42:56,144 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:56,144 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] [2020-10-20 01:42:56,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:42:56,145 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:56,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:56,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1543064518, now seen corresponding path program 1 times [2020-10-20 01:42:56,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:56,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788867445] [2020-10-20 01:42:56,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:56,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:56,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788867445] [2020-10-20 01:42:56,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:56,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:56,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104066029] [2020-10-20 01:42:56,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:56,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:56,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:56,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:56,252 INFO L87 Difference]: Start difference. First operand 163 states and 242 transitions. Second operand 3 states. [2020-10-20 01:42:56,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:56,309 INFO L93 Difference]: Finished difference Result 332 states and 499 transitions. [2020-10-20 01:42:56,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:56,309 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-10-20 01:42:56,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:56,311 INFO L225 Difference]: With dead ends: 332 [2020-10-20 01:42:56,311 INFO L226 Difference]: Without dead ends: 176 [2020-10-20 01:42:56,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:56,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-10-20 01:42:56,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 174. [2020-10-20 01:42:56,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-10-20 01:42:56,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 252 transitions. [2020-10-20 01:42:56,346 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 252 transitions. Word has length 27 [2020-10-20 01:42:56,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:56,347 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 252 transitions. [2020-10-20 01:42:56,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:56,347 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 252 transitions. [2020-10-20 01:42:56,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-20 01:42:56,349 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:56,351 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] [2020-10-20 01:42:56,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:42:56,351 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:56,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:56,352 INFO L82 PathProgramCache]: Analyzing trace with hash 447177737, now seen corresponding path program 1 times [2020-10-20 01:42:56,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:56,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668937006] [2020-10-20 01:42:56,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:56,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:56,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668937006] [2020-10-20 01:42:56,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:56,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:56,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79973428] [2020-10-20 01:42:56,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:56,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:56,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:56,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:56,511 INFO L87 Difference]: Start difference. First operand 174 states and 252 transitions. Second operand 5 states. [2020-10-20 01:42:56,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:56,704 INFO L93 Difference]: Finished difference Result 859 states and 1254 transitions. [2020-10-20 01:42:56,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:42:56,705 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-10-20 01:42:56,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:56,709 INFO L225 Difference]: With dead ends: 859 [2020-10-20 01:42:56,709 INFO L226 Difference]: Without dead ends: 692 [2020-10-20 01:42:56,710 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:42:56,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2020-10-20 01:42:56,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 327. [2020-10-20 01:42:56,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-10-20 01:42:56,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 468 transitions. [2020-10-20 01:42:56,750 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 468 transitions. Word has length 27 [2020-10-20 01:42:56,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:56,751 INFO L481 AbstractCegarLoop]: Abstraction has 327 states and 468 transitions. [2020-10-20 01:42:56,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:56,752 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 468 transitions. [2020-10-20 01:42:56,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-20 01:42:56,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:56,758 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] [2020-10-20 01:42:56,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:42:56,759 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:56,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:56,759 INFO L82 PathProgramCache]: Analyzing trace with hash -986967423, now seen corresponding path program 1 times [2020-10-20 01:42:56,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:56,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112635722] [2020-10-20 01:42:56,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:56,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:56,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112635722] [2020-10-20 01:42:56,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:56,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:56,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562127535] [2020-10-20 01:42:56,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:56,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:56,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:56,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:56,907 INFO L87 Difference]: Start difference. First operand 327 states and 468 transitions. Second operand 5 states. [2020-10-20 01:42:57,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:57,119 INFO L93 Difference]: Finished difference Result 1273 states and 1823 transitions. [2020-10-20 01:42:57,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:42:57,121 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-10-20 01:42:57,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:57,128 INFO L225 Difference]: With dead ends: 1273 [2020-10-20 01:42:57,129 INFO L226 Difference]: Without dead ends: 953 [2020-10-20 01:42:57,131 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:42:57,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2020-10-20 01:42:57,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 325. [2020-10-20 01:42:57,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-10-20 01:42:57,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 462 transitions. [2020-10-20 01:42:57,172 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 462 transitions. Word has length 28 [2020-10-20 01:42:57,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:57,177 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 462 transitions. [2020-10-20 01:42:57,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:57,177 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 462 transitions. [2020-10-20 01:42:57,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-20 01:42:57,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:57,185 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 01:42:57,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:42:57,187 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:57,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:57,187 INFO L82 PathProgramCache]: Analyzing trace with hash -192809145, now seen corresponding path program 1 times [2020-10-20 01:42:57,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:57,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811131415] [2020-10-20 01:42:57,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:57,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:57,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811131415] [2020-10-20 01:42:57,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:57,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:57,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157395807] [2020-10-20 01:42:57,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:42:57,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:57,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:42:57,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:42:57,314 INFO L87 Difference]: Start difference. First operand 325 states and 462 transitions. Second operand 4 states. [2020-10-20 01:42:57,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:57,406 INFO L93 Difference]: Finished difference Result 949 states and 1348 transitions. [2020-10-20 01:42:57,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:42:57,407 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-10-20 01:42:57,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:57,413 INFO L225 Difference]: With dead ends: 949 [2020-10-20 01:42:57,413 INFO L226 Difference]: Without dead ends: 631 [2020-10-20 01:42:57,416 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 01:42:57,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2020-10-20 01:42:57,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 349. [2020-10-20 01:42:57,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2020-10-20 01:42:57,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 486 transitions. [2020-10-20 01:42:57,467 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 486 transitions. Word has length 37 [2020-10-20 01:42:57,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:57,468 INFO L481 AbstractCegarLoop]: Abstraction has 349 states and 486 transitions. [2020-10-20 01:42:57,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:42:57,468 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 486 transitions. [2020-10-20 01:42:57,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-20 01:42:57,469 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:57,469 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 01:42:57,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:42:57,470 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:57,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:57,470 INFO L82 PathProgramCache]: Analyzing trace with hash 818308105, now seen corresponding path program 1 times [2020-10-20 01:42:57,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:57,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421072138] [2020-10-20 01:42:57,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:57,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:57,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421072138] [2020-10-20 01:42:57,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:57,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:57,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831966555] [2020-10-20 01:42:57,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:57,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:57,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:57,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:57,540 INFO L87 Difference]: Start difference. First operand 349 states and 486 transitions. Second operand 5 states. [2020-10-20 01:42:57,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:57,767 INFO L93 Difference]: Finished difference Result 891 states and 1229 transitions. [2020-10-20 01:42:57,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:42:57,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-10-20 01:42:57,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:57,771 INFO L225 Difference]: With dead ends: 891 [2020-10-20 01:42:57,772 INFO L226 Difference]: Without dead ends: 549 [2020-10-20 01:42:57,773 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:42:57,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-10-20 01:42:57,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 385. [2020-10-20 01:42:57,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2020-10-20 01:42:57,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 522 transitions. [2020-10-20 01:42:57,806 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 522 transitions. Word has length 37 [2020-10-20 01:42:57,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:57,807 INFO L481 AbstractCegarLoop]: Abstraction has 385 states and 522 transitions. [2020-10-20 01:42:57,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:57,807 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 522 transitions. [2020-10-20 01:42:57,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-20 01:42:57,808 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:57,808 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 01:42:57,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:42:57,809 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:57,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:57,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1213877499, now seen corresponding path program 1 times [2020-10-20 01:42:57,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:57,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767440464] [2020-10-20 01:42:57,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:57,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:57,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767440464] [2020-10-20 01:42:57,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:57,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:57,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752938699] [2020-10-20 01:42:57,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:57,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:57,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:57,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:57,856 INFO L87 Difference]: Start difference. First operand 385 states and 522 transitions. Second operand 3 states. [2020-10-20 01:42:57,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:57,924 INFO L93 Difference]: Finished difference Result 871 states and 1175 transitions. [2020-10-20 01:42:57,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:57,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-10-20 01:42:57,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:57,927 INFO L225 Difference]: With dead ends: 871 [2020-10-20 01:42:57,928 INFO L226 Difference]: Without dead ends: 493 [2020-10-20 01:42:57,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:57,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-10-20 01:42:57,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 493. [2020-10-20 01:42:57,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2020-10-20 01:42:57,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 652 transitions. [2020-10-20 01:42:57,967 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 652 transitions. Word has length 37 [2020-10-20 01:42:57,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:57,968 INFO L481 AbstractCegarLoop]: Abstraction has 493 states and 652 transitions. [2020-10-20 01:42:57,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:57,968 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 652 transitions. [2020-10-20 01:42:57,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-20 01:42:57,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:57,970 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, 1, 1] [2020-10-20 01:42:57,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:42:57,970 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:57,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:57,971 INFO L82 PathProgramCache]: Analyzing trace with hash 321920453, now seen corresponding path program 1 times [2020-10-20 01:42:57,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:57,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806731950] [2020-10-20 01:42:57,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:58,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:58,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806731950] [2020-10-20 01:42:58,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:58,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:58,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153477810] [2020-10-20 01:42:58,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:58,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:58,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:58,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:58,019 INFO L87 Difference]: Start difference. First operand 493 states and 652 transitions. Second operand 3 states. [2020-10-20 01:42:58,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:58,111 INFO L93 Difference]: Finished difference Result 807 states and 1075 transitions. [2020-10-20 01:42:58,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:58,112 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-10-20 01:42:58,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:58,117 INFO L225 Difference]: With dead ends: 807 [2020-10-20 01:42:58,117 INFO L226 Difference]: Without dead ends: 805 [2020-10-20 01:42:58,118 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 01:42:58,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2020-10-20 01:42:58,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 622. [2020-10-20 01:42:58,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-10-20 01:42:58,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 840 transitions. [2020-10-20 01:42:58,179 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 840 transitions. Word has length 38 [2020-10-20 01:42:58,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:58,180 INFO L481 AbstractCegarLoop]: Abstraction has 622 states and 840 transitions. [2020-10-20 01:42:58,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:58,180 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 840 transitions. [2020-10-20 01:42:58,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-20 01:42:58,182 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:58,182 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, 1, 1, 1, 1] [2020-10-20 01:42:58,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 01:42:58,183 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:58,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:58,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1740565395, now seen corresponding path program 1 times [2020-10-20 01:42:58,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:58,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063528279] [2020-10-20 01:42:58,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:58,243 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-20 01:42:58,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063528279] [2020-10-20 01:42:58,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:58,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:58,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556078384] [2020-10-20 01:42:58,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:58,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:58,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:58,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:58,245 INFO L87 Difference]: Start difference. First operand 622 states and 840 transitions. Second operand 3 states. [2020-10-20 01:42:58,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:58,381 INFO L93 Difference]: Finished difference Result 1014 states and 1365 transitions. [2020-10-20 01:42:58,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:58,381 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-10-20 01:42:58,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:58,384 INFO L225 Difference]: With dead ends: 1014 [2020-10-20 01:42:58,384 INFO L226 Difference]: Without dead ends: 399 [2020-10-20 01:42:58,386 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 01:42:58,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-10-20 01:42:58,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 387. [2020-10-20 01:42:58,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-10-20 01:42:58,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 514 transitions. [2020-10-20 01:42:58,421 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 514 transitions. Word has length 59 [2020-10-20 01:42:58,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:58,421 INFO L481 AbstractCegarLoop]: Abstraction has 387 states and 514 transitions. [2020-10-20 01:42:58,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:58,422 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 514 transitions. [2020-10-20 01:42:58,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-20 01:42:58,423 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:58,423 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:58,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-20 01:42:58,424 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:58,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:58,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1960365919, now seen corresponding path program 1 times [2020-10-20 01:42:58,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:58,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142263150] [2020-10-20 01:42:58,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:58,560 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-20 01:42:58,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142263150] [2020-10-20 01:42:58,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123533340] [2020-10-20 01:42:58,562 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 01:42:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:58,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 01:42:58,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:42:58,836 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-20 01:42:58,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-20 01:42:58,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2020-10-20 01:42:58,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395428838] [2020-10-20 01:42:58,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:42:58,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:58,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:42:58,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-20 01:42:58,839 INFO L87 Difference]: Start difference. First operand 387 states and 514 transitions. Second operand 6 states. [2020-10-20 01:42:59,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:59,219 INFO L93 Difference]: Finished difference Result 1197 states and 1573 transitions. [2020-10-20 01:42:59,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-20 01:42:59,219 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2020-10-20 01:42:59,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:59,224 INFO L225 Difference]: With dead ends: 1197 [2020-10-20 01:42:59,224 INFO L226 Difference]: Without dead ends: 817 [2020-10-20 01:42:59,226 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2020-10-20 01:42:59,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2020-10-20 01:42:59,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 354. [2020-10-20 01:42:59,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2020-10-20 01:42:59,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 460 transitions. [2020-10-20 01:42:59,272 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 460 transitions. Word has length 66 [2020-10-20 01:42:59,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:59,272 INFO L481 AbstractCegarLoop]: Abstraction has 354 states and 460 transitions. [2020-10-20 01:42:59,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:42:59,273 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 460 transitions. [2020-10-20 01:42:59,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-20 01:42:59,274 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:59,274 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-10-20 01:42:59,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-20 01:42:59,489 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:59,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:59,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1257155385, now seen corresponding path program 1 times [2020-10-20 01:42:59,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:59,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043131241] [2020-10-20 01:42:59,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:59,574 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-20 01:42:59,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043131241] [2020-10-20 01:42:59,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154886246] [2020-10-20 01:42:59,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 01:42:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:59,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 01:42:59,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:42:59,795 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-20 01:42:59,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-20 01:42:59,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2020-10-20 01:42:59,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217786218] [2020-10-20 01:42:59,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:42:59,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:59,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:42:59,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-20 01:42:59,797 INFO L87 Difference]: Start difference. First operand 354 states and 460 transitions. Second operand 6 states. [2020-10-20 01:43:00,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:00,138 INFO L93 Difference]: Finished difference Result 868 states and 1119 transitions. [2020-10-20 01:43:00,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-20 01:43:00,138 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 91 [2020-10-20 01:43:00,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:00,139 INFO L225 Difference]: With dead ends: 868 [2020-10-20 01:43:00,139 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:43:00,141 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2020-10-20 01:43:00,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:43:00,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:43:00,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:43:00,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:43:00,141 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2020-10-20 01:43:00,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:00,142 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:43:00,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:43:00,142 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:43:00,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:43:00,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-20 01:43:00,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:43:00,659 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 92 [2020-10-20 01:43:00,867 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 85 [2020-10-20 01:43:01,098 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 78 [2020-10-20 01:43:01,656 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 141 [2020-10-20 01:43:02,096 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 154 [2020-10-20 01:43:02,527 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 136 [2020-10-20 01:43:02,635 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 68 [2020-10-20 01:43:02,797 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 102 [2020-10-20 01:43:03,187 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 158 [2020-10-20 01:43:03,828 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 13 [2020-10-20 01:43:04,241 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 25 [2020-10-20 01:43:04,683 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2020-10-20 01:43:05,341 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 24 [2020-10-20 01:43:06,033 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 24 [2020-10-20 01:43:06,164 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 19 [2020-10-20 01:43:07,063 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 24 [2020-10-20 01:43:07,391 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 27 [2020-10-20 01:43:07,875 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 30 [2020-10-20 01:43:08,818 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 31 [2020-10-20 01:43:09,192 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2020-10-20 01:43:09,196 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:43:09,196 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-20 01:43:09,196 INFO L274 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-10-20 01:43:09,196 INFO L274 CegarLoopResult]: For program point L432-2(line 432) no Hoare annotation was computed. [2020-10-20 01:43:09,197 INFO L270 CegarLoopResult]: At program point L565(lines 556 569) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:43:09,197 INFO L270 CegarLoopResult]: At program point L565-1(lines 556 569) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:43:09,197 INFO L270 CegarLoopResult]: At program point L565-2(lines 556 569) the Hoare annotation is: false [2020-10-20 01:43:09,198 INFO L270 CegarLoopResult]: At program point L565-3(lines 556 569) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and .cse3 (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 0)) (and (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3))) [2020-10-20 01:43:09,198 INFO L270 CegarLoopResult]: At program point L565-4(lines 556 569) the Hoare annotation is: false [2020-10-20 01:43:09,198 INFO L270 CegarLoopResult]: At program point L565-5(lines 556 569) the Hoare annotation is: false [2020-10-20 01:43:09,198 INFO L270 CegarLoopResult]: At program point L565-6(lines 556 569) the Hoare annotation is: false [2020-10-20 01:43:09,198 INFO L270 CegarLoopResult]: At program point L565-7(lines 556 569) the Hoare annotation is: false [2020-10-20 01:43:09,199 INFO L270 CegarLoopResult]: At program point L565-8(lines 556 569) the Hoare annotation is: false [2020-10-20 01:43:09,199 INFO L270 CegarLoopResult]: At program point L565-9(lines 556 569) the Hoare annotation is: false [2020-10-20 01:43:09,199 INFO L270 CegarLoopResult]: At program point L565-10(lines 556 569) the Hoare annotation is: false [2020-10-20 01:43:09,199 INFO L270 CegarLoopResult]: At program point L565-11(lines 556 569) the Hoare annotation is: false [2020-10-20 01:43:09,199 INFO L274 CegarLoopResult]: For program point L303(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,199 INFO L274 CegarLoopResult]: For program point L303-2(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,199 INFO L274 CegarLoopResult]: For program point L303-3(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,199 INFO L274 CegarLoopResult]: For program point L303-5(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,199 INFO L274 CegarLoopResult]: For program point L303-6(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,199 INFO L274 CegarLoopResult]: For program point L303-8(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,200 INFO L274 CegarLoopResult]: For program point L303-9(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,200 INFO L274 CegarLoopResult]: For program point L303-11(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,200 INFO L274 CegarLoopResult]: For program point L303-12(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,200 INFO L274 CegarLoopResult]: For program point L303-14(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,200 INFO L274 CegarLoopResult]: For program point L303-15(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,200 INFO L274 CegarLoopResult]: For program point L303-17(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,200 INFO L274 CegarLoopResult]: For program point L303-18(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,200 INFO L274 CegarLoopResult]: For program point L303-20(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,200 INFO L274 CegarLoopResult]: For program point L303-21(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,200 INFO L274 CegarLoopResult]: For program point L303-23(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,200 INFO L274 CegarLoopResult]: For program point L303-24(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,201 INFO L274 CegarLoopResult]: For program point L303-26(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,201 INFO L274 CegarLoopResult]: For program point L303-27(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,201 INFO L274 CegarLoopResult]: For program point L370(lines 369 418) no Hoare annotation was computed. [2020-10-20 01:43:09,201 INFO L274 CegarLoopResult]: For program point L303-29(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,201 INFO L274 CegarLoopResult]: For program point L303-30(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,201 INFO L274 CegarLoopResult]: For program point L303-32(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,201 INFO L274 CegarLoopResult]: For program point L303-33(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,201 INFO L274 CegarLoopResult]: For program point L303-35(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:43:09,201 INFO L274 CegarLoopResult]: For program point L371(lines 371 375) no Hoare annotation was computed. [2020-10-20 01:43:09,202 INFO L270 CegarLoopResult]: At program point L107(lines 107 113) the Hoare annotation is: (let ((.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse5 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3) (and .cse1 .cse5 .cse2 .cse3))) [2020-10-20 01:43:09,202 INFO L270 CegarLoopResult]: At program point L107-1(lines 107 113) the Hoare annotation is: false [2020-10-20 01:43:09,202 INFO L270 CegarLoopResult]: At program point L107-2(lines 107 113) the Hoare annotation is: false [2020-10-20 01:43:09,202 INFO L270 CegarLoopResult]: At program point L639(lines 635 641) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:43:09,202 INFO L274 CegarLoopResult]: For program point L507(lines 507 511) no Hoare annotation was computed. [2020-10-20 01:43:09,202 INFO L270 CegarLoopResult]: At program point L309(lines 294 312) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:43:09,202 INFO L270 CegarLoopResult]: At program point L309-1(lines 294 312) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:43:09,202 INFO L270 CegarLoopResult]: At program point L309-2(lines 294 312) the Hoare annotation is: false [2020-10-20 01:43:09,203 INFO L270 CegarLoopResult]: At program point L309-3(lines 294 312) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 0)) (and (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse0 .cse1 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2)) .cse3) (and .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) .cse2 .cse3))) [2020-10-20 01:43:09,203 INFO L270 CegarLoopResult]: At program point L309-4(lines 294 312) the Hoare annotation is: false [2020-10-20 01:43:09,203 INFO L270 CegarLoopResult]: At program point L309-5(lines 294 312) the Hoare annotation is: false [2020-10-20 01:43:09,211 INFO L270 CegarLoopResult]: At program point L309-6(lines 294 312) the Hoare annotation is: false [2020-10-20 01:43:09,211 INFO L270 CegarLoopResult]: At program point L309-7(lines 294 312) the Hoare annotation is: false [2020-10-20 01:43:09,212 INFO L270 CegarLoopResult]: At program point L309-8(lines 294 312) the Hoare annotation is: false [2020-10-20 01:43:09,212 INFO L270 CegarLoopResult]: At program point L309-9(lines 294 312) the Hoare annotation is: false [2020-10-20 01:43:09,212 INFO L270 CegarLoopResult]: At program point L309-10(lines 294 312) the Hoare annotation is: false [2020-10-20 01:43:09,212 INFO L270 CegarLoopResult]: At program point L309-11(lines 294 312) the Hoare annotation is: false [2020-10-20 01:43:09,212 INFO L270 CegarLoopResult]: At program point L575(lines 570 578) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:43:09,213 INFO L270 CegarLoopResult]: At program point L575-1(lines 570 578) the Hoare annotation is: false [2020-10-20 01:43:09,213 INFO L270 CegarLoopResult]: At program point L575-2(lines 570 578) the Hoare annotation is: false [2020-10-20 01:43:09,213 INFO L270 CegarLoopResult]: At program point L575-3(lines 570 578) the Hoare annotation is: false [2020-10-20 01:43:09,213 INFO L270 CegarLoopResult]: At program point L443(lines 438 445) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:43:09,213 INFO L270 CegarLoopResult]: At program point L575-4(lines 570 578) the Hoare annotation is: false [2020-10-20 01:43:09,213 INFO L270 CegarLoopResult]: At program point L575-5(lines 570 578) the Hoare annotation is: false [2020-10-20 01:43:09,214 INFO L270 CegarLoopResult]: At program point L245(lines 238 248) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse0 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (<= 1 ~methaneLevelCritical~0) (= ~methAndRunningLastTime~0 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1))) [2020-10-20 01:43:09,214 INFO L270 CegarLoopResult]: At program point L245-1(lines 238 248) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:43:09,214 INFO L270 CegarLoopResult]: At program point L245-2(lines 238 248) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:43:09,214 INFO L270 CegarLoopResult]: At program point L245-3(lines 238 248) the Hoare annotation is: false [2020-10-20 01:43:09,215 INFO L270 CegarLoopResult]: At program point L245-4(lines 238 248) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 ~methaneLevelCritical~0)) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2))) [2020-10-20 01:43:09,215 INFO L270 CegarLoopResult]: At program point L245-5(lines 238 248) the Hoare annotation is: false [2020-10-20 01:43:09,215 INFO L270 CegarLoopResult]: At program point L245-6(lines 238 248) the Hoare annotation is: false [2020-10-20 01:43:09,215 INFO L270 CegarLoopResult]: At program point L245-7(lines 238 248) the Hoare annotation is: false [2020-10-20 01:43:09,215 INFO L270 CegarLoopResult]: At program point L245-8(lines 238 248) the Hoare annotation is: false [2020-10-20 01:43:09,215 INFO L270 CegarLoopResult]: At program point L245-9(lines 238 248) the Hoare annotation is: false [2020-10-20 01:43:09,216 INFO L270 CegarLoopResult]: At program point L245-10(lines 238 248) the Hoare annotation is: false [2020-10-20 01:43:09,216 INFO L270 CegarLoopResult]: At program point L245-11(lines 238 248) the Hoare annotation is: false [2020-10-20 01:43:09,216 INFO L270 CegarLoopResult]: At program point L245-12(lines 238 248) the Hoare annotation is: false [2020-10-20 01:43:09,216 INFO L270 CegarLoopResult]: At program point L245-13(lines 238 248) the Hoare annotation is: false [2020-10-20 01:43:09,217 INFO L270 CegarLoopResult]: At program point L245-14(lines 238 248) the Hoare annotation is: false [2020-10-20 01:43:09,217 INFO L274 CegarLoopResult]: For program point L379(lines 379 385) no Hoare annotation was computed. [2020-10-20 01:43:09,217 INFO L270 CegarLoopResult]: At program point L379-1(lines 379 385) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~7 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= 0 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse3 .cse5 .cse6) (and .cse2 .cse4 .cse5 .cse8 .cse9 .cse6) (and .cse7 .cse0 .cse4 .cse5 .cse6) (and .cse7 .cse4 .cse5 .cse8 .cse9 .cse6))) [2020-10-20 01:43:09,217 INFO L274 CegarLoopResult]: For program point L184(lines 184 201) no Hoare annotation was computed. [2020-10-20 01:43:09,217 INFO L274 CegarLoopResult]: For program point L184-1(lines 184 201) no Hoare annotation was computed. [2020-10-20 01:43:09,217 INFO L274 CegarLoopResult]: For program point L184-2(lines 184 201) no Hoare annotation was computed. [2020-10-20 01:43:09,218 INFO L270 CegarLoopResult]: At program point L254(lines 249 257) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (<= 1 ~methaneLevelCritical~0))) (or (and (= 1 ~systemActive~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-10-20 01:43:09,218 INFO L270 CegarLoopResult]: At program point L254-1(lines 249 257) the Hoare annotation is: false [2020-10-20 01:43:09,218 INFO L274 CegarLoopResult]: For program point L188(lines 188 196) no Hoare annotation was computed. [2020-10-20 01:43:09,218 INFO L270 CegarLoopResult]: At program point L254-2(lines 249 257) the Hoare annotation is: false [2020-10-20 01:43:09,218 INFO L274 CegarLoopResult]: For program point L188-1(lines 188 196) no Hoare annotation was computed. [2020-10-20 01:43:09,219 INFO L274 CegarLoopResult]: For program point L188-2(lines 188 196) no Hoare annotation was computed. [2020-10-20 01:43:09,219 INFO L270 CegarLoopResult]: At program point L520(lines 515 523) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (<= 1 ~methaneLevelCritical~0) (= ~methAndRunningLastTime~0 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1))) [2020-10-20 01:43:09,219 INFO L270 CegarLoopResult]: At program point L520-1(lines 515 523) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:43:09,219 INFO L270 CegarLoopResult]: At program point L520-2(lines 515 523) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:43:09,219 INFO L274 CegarLoopResult]: For program point L454(lines 454 471) no Hoare annotation was computed. [2020-10-20 01:43:09,219 INFO L270 CegarLoopResult]: At program point L520-3(lines 515 523) the Hoare annotation is: false [2020-10-20 01:43:09,220 INFO L270 CegarLoopResult]: At program point L454-1(lines 1 1041) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~7 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= 0 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse3 .cse5 .cse6) (and .cse2 .cse4 .cse5 .cse8 .cse9 .cse6) (and .cse7 .cse0 .cse4 .cse5 .cse6) (and .cse7 .cse4 .cse5 .cse8 .cse9 .cse6))) [2020-10-20 01:43:09,220 INFO L270 CegarLoopResult]: At program point L520-4(lines 515 523) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2) (and .cse0 .cse1 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 (<= 1 ~methaneLevelCritical~0)))) [2020-10-20 01:43:09,220 INFO L274 CegarLoopResult]: For program point L454-2(lines 454 471) no Hoare annotation was computed. [2020-10-20 01:43:09,220 INFO L270 CegarLoopResult]: At program point L520-5(lines 515 523) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse1 .cse2) (and .cse0 .cse5 .cse7 .cse2) (and .cse6 .cse1 .cse2 .cse3 .cse4))) [2020-10-20 01:43:09,221 INFO L270 CegarLoopResult]: At program point L454-3(lines 1 1041) the Hoare annotation is: false [2020-10-20 01:43:09,221 INFO L274 CegarLoopResult]: For program point L322(lines 322 326) no Hoare annotation was computed. [2020-10-20 01:43:09,221 INFO L270 CegarLoopResult]: At program point L520-6(lines 515 523) the Hoare annotation is: false [2020-10-20 01:43:09,221 INFO L274 CegarLoopResult]: For program point L454-4(lines 454 471) no Hoare annotation was computed. [2020-10-20 01:43:09,221 INFO L270 CegarLoopResult]: At program point L520-7(lines 515 523) the Hoare annotation is: false [2020-10-20 01:43:09,222 INFO L270 CegarLoopResult]: At program point L454-5(lines 1 1041) the Hoare annotation is: false [2020-10-20 01:43:09,222 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:43:09,222 INFO L274 CegarLoopResult]: For program point L322-2(lines 322 326) no Hoare annotation was computed. [2020-10-20 01:43:09,222 INFO L270 CegarLoopResult]: At program point L520-8(lines 515 523) the Hoare annotation is: false [2020-10-20 01:43:09,222 INFO L274 CegarLoopResult]: For program point L322-3(lines 322 326) no Hoare annotation was computed. [2020-10-20 01:43:09,222 INFO L270 CegarLoopResult]: At program point L520-9(lines 515 523) the Hoare annotation is: false [2020-10-20 01:43:09,223 INFO L270 CegarLoopResult]: At program point L520-10(lines 515 523) the Hoare annotation is: false [2020-10-20 01:43:09,223 INFO L274 CegarLoopResult]: For program point L322-5(lines 322 326) no Hoare annotation was computed. [2020-10-20 01:43:09,223 INFO L270 CegarLoopResult]: At program point L520-11(lines 515 523) the Hoare annotation is: false [2020-10-20 01:43:09,223 INFO L274 CegarLoopResult]: For program point L322-6(lines 322 326) no Hoare annotation was computed. [2020-10-20 01:43:09,223 INFO L270 CegarLoopResult]: At program point L520-12(lines 515 523) the Hoare annotation is: false [2020-10-20 01:43:09,223 INFO L270 CegarLoopResult]: At program point L520-13(lines 515 523) the Hoare annotation is: false [2020-10-20 01:43:09,224 INFO L274 CegarLoopResult]: For program point L322-8(lines 322 326) no Hoare annotation was computed. [2020-10-20 01:43:09,224 INFO L270 CegarLoopResult]: At program point L520-14(lines 515 523) the Hoare annotation is: false [2020-10-20 01:43:09,224 INFO L274 CegarLoopResult]: For program point L322-9(lines 322 326) no Hoare annotation was computed. [2020-10-20 01:43:09,224 INFO L270 CegarLoopResult]: At program point L520-15(lines 515 523) the Hoare annotation is: false [2020-10-20 01:43:09,224 INFO L270 CegarLoopResult]: At program point L520-16(lines 515 523) the Hoare annotation is: false [2020-10-20 01:43:09,224 INFO L274 CegarLoopResult]: For program point L322-11(lines 322 326) no Hoare annotation was computed. [2020-10-20 01:43:09,225 INFO L270 CegarLoopResult]: At program point L520-17(lines 515 523) the Hoare annotation is: false [2020-10-20 01:43:09,225 INFO L274 CegarLoopResult]: For program point L322-12(lines 322 326) no Hoare annotation was computed. [2020-10-20 01:43:09,225 INFO L274 CegarLoopResult]: For program point L322-14(lines 322 326) no Hoare annotation was computed. [2020-10-20 01:43:09,225 INFO L274 CegarLoopResult]: For program point L322-15(lines 322 326) no Hoare annotation was computed. [2020-10-20 01:43:09,225 INFO L274 CegarLoopResult]: For program point L322-17(lines 322 326) no Hoare annotation was computed. [2020-10-20 01:43:09,225 INFO L274 CegarLoopResult]: For program point L389(lines 389 395) no Hoare annotation was computed. [2020-10-20 01:43:09,226 INFO L270 CegarLoopResult]: At program point L389-1(lines 389 395) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse3 .cse6 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse5 .cse0 .cse3))) [2020-10-20 01:43:09,226 INFO L274 CegarLoopResult]: For program point L458(lines 458 468) no Hoare annotation was computed. [2020-10-20 01:43:09,226 INFO L274 CegarLoopResult]: For program point L458-2(lines 458 468) no Hoare annotation was computed. [2020-10-20 01:43:09,226 INFO L274 CegarLoopResult]: For program point L458-4(lines 458 468) no Hoare annotation was computed. [2020-10-20 01:43:09,226 INFO L270 CegarLoopResult]: At program point L591-2(lines 591 605) the Hoare annotation is: false [2020-10-20 01:43:09,227 INFO L274 CegarLoopResult]: For program point L459(lines 459 465) no Hoare annotation was computed. [2020-10-20 01:43:09,227 INFO L274 CegarLoopResult]: For program point L459-2(lines 459 465) no Hoare annotation was computed. [2020-10-20 01:43:09,227 INFO L274 CegarLoopResult]: For program point L459-4(lines 459 465) no Hoare annotation was computed. [2020-10-20 01:43:09,227 INFO L274 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-20 01:43:09,227 INFO L270 CegarLoopResult]: At program point L328(lines 313 331) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:43:09,227 INFO L270 CegarLoopResult]: At program point L328-1(lines 313 331) the Hoare annotation is: false [2020-10-20 01:43:09,227 INFO L270 CegarLoopResult]: At program point L328-2(lines 313 331) the Hoare annotation is: false [2020-10-20 01:43:09,227 INFO L270 CegarLoopResult]: At program point L328-3(lines 313 331) the Hoare annotation is: false [2020-10-20 01:43:09,228 INFO L270 CegarLoopResult]: At program point L328-4(lines 313 331) the Hoare annotation is: false [2020-10-20 01:43:09,228 INFO L270 CegarLoopResult]: At program point L328-5(lines 313 331) the Hoare annotation is: false [2020-10-20 01:43:09,228 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:43:09,228 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:43:09,228 INFO L274 CegarLoopResult]: For program point L132(lines 132 149) no Hoare annotation was computed. [2020-10-20 01:43:09,228 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 149) no Hoare annotation was computed. [2020-10-20 01:43:09,228 INFO L274 CegarLoopResult]: For program point L132-2(lines 132 149) no Hoare annotation was computed. [2020-10-20 01:43:09,228 INFO L274 CegarLoopResult]: For program point L132-3(lines 132 149) no Hoare annotation was computed. [2020-10-20 01:43:09,228 INFO L274 CegarLoopResult]: For program point L132-4(lines 132 149) no Hoare annotation was computed. [2020-10-20 01:43:09,229 INFO L274 CegarLoopResult]: For program point L132-5(lines 132 149) no Hoare annotation was computed. [2020-10-20 01:43:09,229 INFO L274 CegarLoopResult]: For program point L132-6(lines 132 149) no Hoare annotation was computed. [2020-10-20 01:43:09,229 INFO L274 CegarLoopResult]: For program point L132-7(lines 132 149) no Hoare annotation was computed. [2020-10-20 01:43:09,229 INFO L274 CegarLoopResult]: For program point L132-8(lines 132 149) no Hoare annotation was computed. [2020-10-20 01:43:09,229 INFO L274 CegarLoopResult]: For program point L132-9(lines 132 149) no Hoare annotation was computed. [2020-10-20 01:43:09,229 INFO L274 CegarLoopResult]: For program point L132-10(lines 132 149) no Hoare annotation was computed. [2020-10-20 01:43:09,229 INFO L274 CegarLoopResult]: For program point L132-11(lines 132 149) no Hoare annotation was computed. [2020-10-20 01:43:09,229 INFO L274 CegarLoopResult]: For program point L595(lines 595 599) no Hoare annotation was computed. [2020-10-20 01:43:09,229 INFO L274 CegarLoopResult]: For program point L595-1(lines 100 106) no Hoare annotation was computed. [2020-10-20 01:43:09,229 INFO L270 CegarLoopResult]: At program point L67(lines 1 1041) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:43:09,230 INFO L274 CegarLoopResult]: For program point L663(lines 663 670) no Hoare annotation was computed. [2020-10-20 01:43:09,230 INFO L277 CegarLoopResult]: At program point L663-1(lines 663 670) the Hoare annotation is: true [2020-10-20 01:43:09,230 INFO L274 CegarLoopResult]: For program point L399(lines 399 414) no Hoare annotation was computed. [2020-10-20 01:43:09,230 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:43:09,230 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:43:09,230 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:43:09,230 INFO L274 CegarLoopResult]: For program point L136(lines 136 144) no Hoare annotation was computed. [2020-10-20 01:43:09,230 INFO L274 CegarLoopResult]: For program point L136-1(lines 136 144) no Hoare annotation was computed. [2020-10-20 01:43:09,230 INFO L274 CegarLoopResult]: For program point L136-2(lines 136 144) no Hoare annotation was computed. [2020-10-20 01:43:09,230 INFO L274 CegarLoopResult]: For program point L136-3(lines 136 144) no Hoare annotation was computed. [2020-10-20 01:43:09,231 INFO L274 CegarLoopResult]: For program point L136-4(lines 136 144) no Hoare annotation was computed. [2020-10-20 01:43:09,231 INFO L274 CegarLoopResult]: For program point L136-5(lines 136 144) no Hoare annotation was computed. [2020-10-20 01:43:09,231 INFO L274 CegarLoopResult]: For program point L136-6(lines 136 144) no Hoare annotation was computed. [2020-10-20 01:43:09,231 INFO L274 CegarLoopResult]: For program point L136-7(lines 136 144) no Hoare annotation was computed. [2020-10-20 01:43:09,231 INFO L274 CegarLoopResult]: For program point L136-8(lines 136 144) no Hoare annotation was computed. [2020-10-20 01:43:09,231 INFO L274 CegarLoopResult]: For program point L136-9(lines 136 144) no Hoare annotation was computed. [2020-10-20 01:43:09,231 INFO L274 CegarLoopResult]: For program point L136-10(lines 136 144) no Hoare annotation was computed. [2020-10-20 01:43:09,231 INFO L274 CegarLoopResult]: For program point L136-11(lines 136 144) no Hoare annotation was computed. [2020-10-20 01:43:09,231 INFO L274 CegarLoopResult]: For program point L336(lines 336 342) no Hoare annotation was computed. [2020-10-20 01:43:09,231 INFO L270 CegarLoopResult]: At program point L336-1(lines 336 342) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0)) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2020-10-20 01:43:09,231 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:43:09,232 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:43:09,232 INFO L274 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-20 01:43:09,232 INFO L270 CegarLoopResult]: At program point L407-1(lines 100 106) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= 0 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 0)) (and .cse0 .cse3 .cse1) (and .cse4 .cse5 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse1))) [2020-10-20 01:43:09,232 INFO L277 CegarLoopResult]: At program point L672(lines 653 675) the Hoare annotation is: true [2020-10-20 01:43:09,232 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:43:09,232 INFO L274 CegarLoopResult]: For program point L483(lines 483 487) no Hoare annotation was computed. [2020-10-20 01:43:09,232 INFO L274 CegarLoopResult]: For program point L483-3(lines 483 487) no Hoare annotation was computed. [2020-10-20 01:43:09,232 INFO L274 CegarLoopResult]: For program point L483-6(lines 483 487) no Hoare annotation was computed. [2020-10-20 01:43:09,232 INFO L274 CegarLoopResult]: For program point L220(lines 220 226) no Hoare annotation was computed. [2020-10-20 01:43:09,232 INFO L274 CegarLoopResult]: For program point L220-2(lines 220 226) no Hoare annotation was computed. [2020-10-20 01:43:09,232 INFO L274 CegarLoopResult]: For program point L220-4(lines 220 226) no Hoare annotation was computed. [2020-10-20 01:43:09,233 INFO L274 CegarLoopResult]: For program point L220-6(lines 220 226) no Hoare annotation was computed. [2020-10-20 01:43:09,233 INFO L274 CegarLoopResult]: For program point L220-8(lines 220 226) no Hoare annotation was computed. [2020-10-20 01:43:09,233 INFO L274 CegarLoopResult]: For program point L220-10(lines 220 226) no Hoare annotation was computed. [2020-10-20 01:43:09,233 INFO L274 CegarLoopResult]: For program point L220-12(lines 220 226) no Hoare annotation was computed. [2020-10-20 01:43:09,233 INFO L274 CegarLoopResult]: For program point L220-14(lines 220 226) no Hoare annotation was computed. [2020-10-20 01:43:09,233 INFO L274 CegarLoopResult]: For program point L220-16(lines 220 226) no Hoare annotation was computed. [2020-10-20 01:43:09,233 INFO L274 CegarLoopResult]: For program point L220-18(lines 220 226) no Hoare annotation was computed. [2020-10-20 01:43:09,233 INFO L274 CegarLoopResult]: For program point L220-20(lines 220 226) no Hoare annotation was computed. [2020-10-20 01:43:09,233 INFO L274 CegarLoopResult]: For program point L220-22(lines 220 226) no Hoare annotation was computed. [2020-10-20 01:43:09,233 INFO L270 CegarLoopResult]: At program point L419(lines 368 420) the Hoare annotation is: false [2020-10-20 01:43:09,234 INFO L274 CegarLoopResult]: For program point L158(lines 158 175) no Hoare annotation was computed. [2020-10-20 01:43:09,234 INFO L274 CegarLoopResult]: For program point L158-1(lines 158 175) no Hoare annotation was computed. [2020-10-20 01:43:09,234 INFO L274 CegarLoopResult]: For program point L158-2(lines 158 175) no Hoare annotation was computed. [2020-10-20 01:43:09,234 INFO L274 CegarLoopResult]: For program point L158-3(lines 158 175) no Hoare annotation was computed. [2020-10-20 01:43:09,234 INFO L274 CegarLoopResult]: For program point L158-4(lines 158 175) no Hoare annotation was computed. [2020-10-20 01:43:09,234 INFO L274 CegarLoopResult]: For program point L158-5(lines 158 175) no Hoare annotation was computed. [2020-10-20 01:43:09,234 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:43:09,234 INFO L274 CegarLoopResult]: For program point L162(lines 162 170) no Hoare annotation was computed. [2020-10-20 01:43:09,234 INFO L274 CegarLoopResult]: For program point L162-1(lines 162 170) no Hoare annotation was computed. [2020-10-20 01:43:09,234 INFO L274 CegarLoopResult]: For program point L162-2(lines 162 170) no Hoare annotation was computed. [2020-10-20 01:43:09,235 INFO L274 CegarLoopResult]: For program point L162-3(lines 162 170) no Hoare annotation was computed. [2020-10-20 01:43:09,235 INFO L274 CegarLoopResult]: For program point L162-4(lines 162 170) no Hoare annotation was computed. [2020-10-20 01:43:09,235 INFO L274 CegarLoopResult]: For program point L162-5(lines 162 170) no Hoare annotation was computed. [2020-10-20 01:43:09,235 INFO L274 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2020-10-20 01:43:09,235 INFO L274 CegarLoopResult]: For program point L560-1(lines 560 566) no Hoare annotation was computed. [2020-10-20 01:43:09,235 INFO L274 CegarLoopResult]: For program point L560-2(lines 560 566) no Hoare annotation was computed. [2020-10-20 01:43:09,235 INFO L274 CegarLoopResult]: For program point L560-3(lines 560 566) no Hoare annotation was computed. [2020-10-20 01:43:09,235 INFO L274 CegarLoopResult]: For program point L560-4(lines 560 566) no Hoare annotation was computed. [2020-10-20 01:43:09,235 INFO L274 CegarLoopResult]: For program point L560-5(lines 560 566) no Hoare annotation was computed. [2020-10-20 01:43:09,235 INFO L274 CegarLoopResult]: For program point L560-6(lines 560 566) no Hoare annotation was computed. [2020-10-20 01:43:09,236 INFO L274 CegarLoopResult]: For program point L560-7(lines 560 566) no Hoare annotation was computed. [2020-10-20 01:43:09,236 INFO L274 CegarLoopResult]: For program point L560-8(lines 560 566) no Hoare annotation was computed. [2020-10-20 01:43:09,236 INFO L274 CegarLoopResult]: For program point L560-9(lines 560 566) no Hoare annotation was computed. [2020-10-20 01:43:09,236 INFO L274 CegarLoopResult]: For program point L560-10(lines 560 566) no Hoare annotation was computed. [2020-10-20 01:43:09,236 INFO L274 CegarLoopResult]: For program point L560-11(lines 560 566) no Hoare annotation was computed. [2020-10-20 01:43:09,236 INFO L274 CegarLoopResult]: For program point L495(lines 495 499) no Hoare annotation was computed. [2020-10-20 01:43:09,236 INFO L270 CegarLoopResult]: At program point L100(lines 99 118) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3) (and .cse0 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)) (and .cse0 .cse4 .cse2) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse2))) [2020-10-20 01:43:09,236 INFO L274 CegarLoopResult]: For program point L100-1(lines 100 106) no Hoare annotation was computed. [2020-10-20 01:43:09,236 INFO L270 CegarLoopResult]: At program point L100-2(lines 99 118) the Hoare annotation is: false [2020-10-20 01:43:09,237 INFO L270 CegarLoopResult]: At program point L100-3(lines 99 118) the Hoare annotation is: false [2020-10-20 01:43:09,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:43:09 BoogieIcfgContainer [2020-10-20 01:43:09,274 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:43:09,274 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:43:09,275 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:43:09,275 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:43:09,276 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:55" (3/4) ... [2020-10-20 01:43:09,280 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:43:09,306 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:43:09,309 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:43:09,311 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:43:09,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:43:09,316 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:43:09,318 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:43:09,321 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:43:09,358 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methaneLevelCritical == 0 && tmp == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-10-20 01:43:09,359 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methaneLevelCritical == 0 && tmp == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-10-20 01:43:09,360 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || (((1 == systemActive && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:43:09,360 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:43:09,362 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || ((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) [2020-10-20 01:43:09,362 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= \result) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) [2020-10-20 01:43:09,364 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= \result && 1 == systemActive) && 1 <= \result) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) [2020-10-20 01:43:09,364 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || (((((0 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) [2020-10-20 01:43:09,365 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (1 <= methaneLevelCritical && ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)))) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && 1 <= methaneLevelCritical) [2020-10-20 01:43:09,367 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && 1 <= \result) && splverifierCounter == 0)) && 1 <= methaneLevelCritical)) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && tmp___0 == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) [2020-10-20 01:43:09,368 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0 [2020-10-20 01:43:09,369 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:43:09,369 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0 [2020-10-20 01:43:09,370 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && 1 <= \result) && splverifierCounter == 0) && 1 <= methaneLevelCritical) [2020-10-20 01:43:09,370 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:43:09,370 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:43:09,372 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:43:09,372 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:43:09,372 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:43:09,373 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:43:09,373 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:43:09,374 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:43:09,496 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:43:09,496 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:43:09,498 INFO L168 Benchmark]: Toolchain (without parser) took 16470.09 ms. Allocated memory was 40.9 MB in the beginning and 141.0 MB in the end (delta: 100.1 MB). Free memory was 18.9 MB in the beginning and 75.3 MB in the end (delta: -56.5 MB). Peak memory consumption was 43.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:09,498 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 31.5 MB. Free memory was 7.3 MB in the beginning and 7.2 MB in the end (delta: 41.9 kB). Peak memory consumption was 41.9 kB. Max. memory is 14.3 GB. [2020-10-20 01:43:09,499 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.58 ms. Allocated memory was 40.9 MB in the beginning and 43.5 MB in the end (delta: 2.6 MB). Free memory was 18.0 MB in the beginning and 16.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:09,499 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.48 ms. Allocated memory is still 43.5 MB. Free memory was 16.8 MB in the beginning and 24.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 6.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:09,499 INFO L168 Benchmark]: Boogie Preprocessor took 72.17 ms. Allocated memory is still 43.5 MB. Free memory was 24.6 MB in the beginning and 20.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:09,500 INFO L168 Benchmark]: RCFGBuilder took 1354.53 ms. Allocated memory was 43.5 MB in the beginning and 51.9 MB in the end (delta: 8.4 MB). Free memory was 20.0 MB in the beginning and 30.2 MB in the end (delta: -10.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:09,500 INFO L168 Benchmark]: TraceAbstraction took 14117.00 ms. Allocated memory was 51.9 MB in the beginning and 141.0 MB in the end (delta: 89.1 MB). Free memory was 29.8 MB in the beginning and 103.7 MB in the end (delta: -73.9 MB). Peak memory consumption was 108.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:09,501 INFO L168 Benchmark]: Witness Printer took 221.71 ms. Allocated memory is still 141.0 MB. Free memory was 103.7 MB in the beginning and 75.3 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:09,504 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 31.5 MB. Free memory was 7.3 MB in the beginning and 7.2 MB in the end (delta: 41.9 kB). Peak memory consumption was 41.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 576.58 ms. Allocated memory was 40.9 MB in the beginning and 43.5 MB in the end (delta: 2.6 MB). Free memory was 18.0 MB in the beginning and 16.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 118.48 ms. Allocated memory is still 43.5 MB. Free memory was 16.8 MB in the beginning and 24.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 6.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 72.17 ms. Allocated memory is still 43.5 MB. Free memory was 24.6 MB in the beginning and 20.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1354.53 ms. Allocated memory was 43.5 MB in the beginning and 51.9 MB in the end (delta: 8.4 MB). Free memory was 20.0 MB in the beginning and 30.2 MB in the end (delta: -10.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 14117.00 ms. Allocated memory was 51.9 MB in the beginning and 141.0 MB in the end (delta: 89.1 MB). Free memory was 29.8 MB in the beginning and 103.7 MB in the end (delta: -73.9 MB). Peak memory consumption was 108.6 MB. Max. memory is 14.3 GB. * Witness Printer took 221.71 ms. Allocated memory is still 141.0 MB. Free memory was 103.7 MB in the beginning and 75.3 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 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: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && 1 <= methaneLevelCritical) || ((methaneLevelCritical == 0 && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && 1 <= \result) && splverifierCounter == 0) && 1 <= methaneLevelCritical) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || ((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((((1 <= \result && 1 == systemActive) && 1 <= \result) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= \result) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((methaneLevelCritical == 0 && tmp == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((1 == systemActive && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 663]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (((((1 == systemActive && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || (((((0 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: ((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (1 <= methaneLevelCritical && ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)))) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && 1 <= methaneLevelCritical) - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && 1 <= \result) && splverifierCounter == 0)) && 1 <= methaneLevelCritical)) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && tmp___0 == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((((((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || (((1 == systemActive && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: ((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: (((((((((methaneLevelCritical == 0 && tmp == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 234 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.1s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2056 SDtfs, 2257 SDslu, 3169 SDs, 0 SdLazy, 440 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 248 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=622occurred in iteration=10, 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, 13 MinimizatonAttempts, 2103 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 93 LocationsWithAnnotation, 93 PreInvPairs, 359 NumberOfFragments, 1100 HoareAnnotationTreeSize, 93 FomulaSimplifications, 1486736 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 93 FomulaSimplificationsInter, 192350 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 665 NumberOfCodeBlocks, 665 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 650 ConstructedInterpolants, 0 QuantifiedInterpolants, 57827 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1038 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 157/163 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...