./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f9d802e48c20b812c0aeb303e5b9a04b1c7ed3d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:25:28,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:25:28,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:25:28,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:25:28,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:25:28,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:25:28,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:25:28,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:25:28,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:25:28,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:25:28,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:25:28,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:25:28,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:25:28,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:25:28,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:25:28,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:25:28,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:25:28,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:25:28,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:25:28,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:25:28,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:25:28,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:25:28,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:25:28,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:25:28,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:25:28,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:25:28,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:25:28,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:25:28,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:25:28,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:25:28,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:25:28,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:25:28,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:25:28,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:25:28,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:25:28,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:25:28,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:25:28,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:25:28,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:25:28,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:25:28,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:25:28,789 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:25:28,825 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:25:28,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:25:28,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:25:28,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:25:28,833 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:25:28,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:25:28,834 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:25:28,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:25:28,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:25:28,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:25:28,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:25:28,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:25:28,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:25:28,835 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:25:28,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:25:28,838 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:25:28,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:25:28,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:25:28,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:25:28,839 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:25:28,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:25:28,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:25:28,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:25:28,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:25:28,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:25:28,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:25:28,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:25:28,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:25:28,842 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:25:28,842 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f9d802e48c20b812c0aeb303e5b9a04b1c7ed3d [2019-11-28 17:25:29,183 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:25:29,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:25:29,199 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:25:29,201 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:25:29,201 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:25:29,202 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2019-11-28 17:25:29,282 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/923271719/c445dfebe7ee402e9b5a3dc844c90154/FLAGf9ce9c1e8 [2019-11-28 17:25:29,811 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:25:29,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2019-11-28 17:25:29,835 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/923271719/c445dfebe7ee402e9b5a3dc844c90154/FLAGf9ce9c1e8 [2019-11-28 17:25:30,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/923271719/c445dfebe7ee402e9b5a3dc844c90154 [2019-11-28 17:25:30,132 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:25:30,133 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:25:30,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:25:30,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:25:30,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:25:30,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:30" (1/1) ... [2019-11-28 17:25:30,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@188eab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30, skipping insertion in model container [2019-11-28 17:25:30,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:30" (1/1) ... [2019-11-28 17:25:30,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:25:30,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:25:30,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:25:30,738 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:25:30,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:25:30,892 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:25:30,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30 WrapperNode [2019-11-28 17:25:30,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:25:30,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:25:30,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:25:30,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:25:30,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30" (1/1) ... [2019-11-28 17:25:30,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30" (1/1) ... [2019-11-28 17:25:30,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:25:30,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:25:30,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:25:30,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:25:31,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30" (1/1) ... [2019-11-28 17:25:31,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30" (1/1) ... [2019-11-28 17:25:31,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30" (1/1) ... [2019-11-28 17:25:31,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30" (1/1) ... [2019-11-28 17:25:31,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30" (1/1) ... [2019-11-28 17:25:31,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30" (1/1) ... [2019-11-28 17:25:31,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30" (1/1) ... [2019-11-28 17:25:31,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:25:31,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:25:31,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:25:31,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:25:31,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:25:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:25:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:25:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:25:31,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:25:32,247 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:25:32,248 INFO L287 CfgBuilder]: Removed 200 assume(true) statements. [2019-11-28 17:25:32,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:32 BoogieIcfgContainer [2019-11-28 17:25:32,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:25:32,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:25:32,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:25:32,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:25:32,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:25:30" (1/3) ... [2019-11-28 17:25:32,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293f00af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:32, skipping insertion in model container [2019-11-28 17:25:32,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30" (2/3) ... [2019-11-28 17:25:32,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293f00af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:32, skipping insertion in model container [2019-11-28 17:25:32,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:32" (3/3) ... [2019-11-28 17:25:32,258 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product60.cil.c [2019-11-28 17:25:32,268 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:25:32,276 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:25:32,290 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:25:32,315 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:25:32,315 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:25:32,315 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:25:32,316 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:25:32,316 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:25:32,316 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:25:32,316 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:25:32,317 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:25:32,337 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-11-28 17:25:32,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 17:25:32,345 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:32,346 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:32,346 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:32,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:32,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1212648512, now seen corresponding path program 1 times [2019-11-28 17:25:32,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:32,363 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515350541] [2019-11-28 17:25:32,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:32,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:32,615 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515350541] [2019-11-28 17:25:32,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:32,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:32,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16983796] [2019-11-28 17:25:32,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:25:32,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:32,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:25:32,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:25:32,641 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2019-11-28 17:25:32,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:32,680 INFO L93 Difference]: Finished difference Result 275 states and 414 transitions. [2019-11-28 17:25:32,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:25:32,681 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 17:25:32,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:32,695 INFO L225 Difference]: With dead ends: 275 [2019-11-28 17:25:32,695 INFO L226 Difference]: Without dead ends: 137 [2019-11-28 17:25:32,699 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:25:32,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-28 17:25:32,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-11-28 17:25:32,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-28 17:25:32,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 199 transitions. [2019-11-28 17:25:32,751 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 199 transitions. Word has length 18 [2019-11-28 17:25:32,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:32,752 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 199 transitions. [2019-11-28 17:25:32,752 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:25:32,752 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2019-11-28 17:25:32,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 17:25:32,754 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:32,754 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:32,754 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:32,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:32,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1186120291, now seen corresponding path program 1 times [2019-11-28 17:25:32,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:32,756 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659683329] [2019-11-28 17:25:32,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:32,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:32,872 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659683329] [2019-11-28 17:25:32,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:32,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:32,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348361916] [2019-11-28 17:25:32,875 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:32,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:32,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:32,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:32,876 INFO L87 Difference]: Start difference. First operand 137 states and 199 transitions. Second operand 3 states. [2019-11-28 17:25:32,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:32,903 INFO L93 Difference]: Finished difference Result 137 states and 199 transitions. [2019-11-28 17:25:32,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:32,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 17:25:32,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:32,905 INFO L225 Difference]: With dead ends: 137 [2019-11-28 17:25:32,906 INFO L226 Difference]: Without dead ends: 57 [2019-11-28 17:25:32,907 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:32,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-28 17:25:32,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-28 17:25:32,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-28 17:25:32,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2019-11-28 17:25:32,915 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 19 [2019-11-28 17:25:32,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:32,915 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2019-11-28 17:25:32,915 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:32,915 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2019-11-28 17:25:32,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:25:32,916 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:32,917 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:32,917 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:32,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:32,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1540902592, now seen corresponding path program 1 times [2019-11-28 17:25:32,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:32,918 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655664877] [2019-11-28 17:25:32,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:33,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:33,049 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655664877] [2019-11-28 17:25:33,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:33,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:33,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672837798] [2019-11-28 17:25:33,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:33,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:33,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:33,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:33,051 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand 3 states. [2019-11-28 17:25:33,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:33,109 INFO L93 Difference]: Finished difference Result 157 states and 232 transitions. [2019-11-28 17:25:33,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:33,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 17:25:33,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:33,115 INFO L225 Difference]: With dead ends: 157 [2019-11-28 17:25:33,115 INFO L226 Difference]: Without dead ends: 107 [2019-11-28 17:25:33,119 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:33,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-28 17:25:33,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2019-11-28 17:25:33,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-11-28 17:25:33,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2019-11-28 17:25:33,143 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 24 [2019-11-28 17:25:33,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:33,143 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2019-11-28 17:25:33,143 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:33,143 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2019-11-28 17:25:33,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 17:25:33,145 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:33,145 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:33,146 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:33,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:33,146 INFO L82 PathProgramCache]: Analyzing trace with hash 2071903209, now seen corresponding path program 1 times [2019-11-28 17:25:33,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:33,147 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939033774] [2019-11-28 17:25:33,147 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:33,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:33,245 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939033774] [2019-11-28 17:25:33,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:33,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:33,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229849892] [2019-11-28 17:25:33,246 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:33,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:33,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:33,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:33,249 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand 3 states. [2019-11-28 17:25:33,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:33,323 INFO L93 Difference]: Finished difference Result 242 states and 363 transitions. [2019-11-28 17:25:33,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:33,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 17:25:33,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:33,326 INFO L225 Difference]: With dead ends: 242 [2019-11-28 17:25:33,326 INFO L226 Difference]: Without dead ends: 146 [2019-11-28 17:25:33,327 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:33,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-28 17:25:33,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2019-11-28 17:25:33,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-11-28 17:25:33,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 210 transitions. [2019-11-28 17:25:33,345 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 210 transitions. Word has length 26 [2019-11-28 17:25:33,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:33,346 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 210 transitions. [2019-11-28 17:25:33,346 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:33,346 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 210 transitions. [2019-11-28 17:25:33,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 17:25:33,347 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:33,348 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:33,348 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:33,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:33,349 INFO L82 PathProgramCache]: Analyzing trace with hash 917787529, now seen corresponding path program 1 times [2019-11-28 17:25:33,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:33,349 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6566197] [2019-11-28 17:25:33,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:33,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:33,480 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6566197] [2019-11-28 17:25:33,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:33,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:33,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374652328] [2019-11-28 17:25:33,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:33,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:33,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:33,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:33,483 INFO L87 Difference]: Start difference. First operand 144 states and 210 transitions. Second operand 5 states. [2019-11-28 17:25:33,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:33,690 INFO L93 Difference]: Finished difference Result 756 states and 1115 transitions. [2019-11-28 17:25:33,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:25:33,692 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-11-28 17:25:33,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:33,698 INFO L225 Difference]: With dead ends: 756 [2019-11-28 17:25:33,699 INFO L226 Difference]: Without dead ends: 619 [2019-11-28 17:25:33,703 INFO L630 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 [2019-11-28 17:25:33,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2019-11-28 17:25:33,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 267. [2019-11-28 17:25:33,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2019-11-28 17:25:33,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 384 transitions. [2019-11-28 17:25:33,781 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 384 transitions. Word has length 27 [2019-11-28 17:25:33,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:33,782 INFO L462 AbstractCegarLoop]: Abstraction has 267 states and 384 transitions. [2019-11-28 17:25:33,782 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:33,782 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 384 transitions. [2019-11-28 17:25:33,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 17:25:33,784 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:33,784 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:33,784 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:33,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:33,785 INFO L82 PathProgramCache]: Analyzing trace with hash -516357631, now seen corresponding path program 1 times [2019-11-28 17:25:33,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:33,786 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728452437] [2019-11-28 17:25:33,786 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:33,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:33,867 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728452437] [2019-11-28 17:25:33,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:33,867 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:33,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773057544] [2019-11-28 17:25:33,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:33,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:33,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:33,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:33,870 INFO L87 Difference]: Start difference. First operand 267 states and 384 transitions. Second operand 5 states. [2019-11-28 17:25:34,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:34,058 INFO L93 Difference]: Finished difference Result 1029 states and 1483 transitions. [2019-11-28 17:25:34,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:25:34,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-11-28 17:25:34,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:34,063 INFO L225 Difference]: With dead ends: 1029 [2019-11-28 17:25:34,064 INFO L226 Difference]: Without dead ends: 769 [2019-11-28 17:25:34,065 INFO L630 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 [2019-11-28 17:25:34,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2019-11-28 17:25:34,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 265. [2019-11-28 17:25:34,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2019-11-28 17:25:34,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 378 transitions. [2019-11-28 17:25:34,096 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 378 transitions. Word has length 28 [2019-11-28 17:25:34,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:34,096 INFO L462 AbstractCegarLoop]: Abstraction has 265 states and 378 transitions. [2019-11-28 17:25:34,096 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:34,097 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 378 transitions. [2019-11-28 17:25:34,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 17:25:34,098 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:34,099 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:34,099 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:34,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:34,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1801944586, now seen corresponding path program 1 times [2019-11-28 17:25:34,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:34,100 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468607712] [2019-11-28 17:25:34,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:34,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:34,154 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468607712] [2019-11-28 17:25:34,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:34,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:34,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390632511] [2019-11-28 17:25:34,155 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:25:34,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:34,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:25:34,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:25:34,156 INFO L87 Difference]: Start difference. First operand 265 states and 378 transitions. Second operand 4 states. [2019-11-28 17:25:34,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:34,226 INFO L93 Difference]: Finished difference Result 773 states and 1104 transitions. [2019-11-28 17:25:34,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 17:25:34,226 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2019-11-28 17:25:34,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:34,230 INFO L225 Difference]: With dead ends: 773 [2019-11-28 17:25:34,230 INFO L226 Difference]: Without dead ends: 515 [2019-11-28 17:25:34,231 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:34,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2019-11-28 17:25:34,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 281. [2019-11-28 17:25:34,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2019-11-28 17:25:34,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 394 transitions. [2019-11-28 17:25:34,262 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 394 transitions. Word has length 36 [2019-11-28 17:25:34,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:34,262 INFO L462 AbstractCegarLoop]: Abstraction has 281 states and 394 transitions. [2019-11-28 17:25:34,263 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:25:34,263 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 394 transitions. [2019-11-28 17:25:34,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 17:25:34,264 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:34,264 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:34,265 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:34,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:34,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1481905460, now seen corresponding path program 1 times [2019-11-28 17:25:34,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:34,266 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398240000] [2019-11-28 17:25:34,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:34,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:34,349 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398240000] [2019-11-28 17:25:34,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:34,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:34,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719249753] [2019-11-28 17:25:34,350 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:34,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:34,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:34,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:34,351 INFO L87 Difference]: Start difference. First operand 281 states and 394 transitions. Second operand 5 states. [2019-11-28 17:25:34,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:34,481 INFO L93 Difference]: Finished difference Result 735 states and 1021 transitions. [2019-11-28 17:25:34,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:25:34,482 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-28 17:25:34,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:34,485 INFO L225 Difference]: With dead ends: 735 [2019-11-28 17:25:34,486 INFO L226 Difference]: Without dead ends: 461 [2019-11-28 17:25:34,487 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:25:34,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2019-11-28 17:25:34,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 305. [2019-11-28 17:25:34,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2019-11-28 17:25:34,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 418 transitions. [2019-11-28 17:25:34,554 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 418 transitions. Word has length 36 [2019-11-28 17:25:34,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:34,555 INFO L462 AbstractCegarLoop]: Abstraction has 305 states and 418 transitions. [2019-11-28 17:25:34,555 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:34,555 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 418 transitions. [2019-11-28 17:25:34,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 17:25:34,561 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:34,562 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:34,562 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:34,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:34,564 INFO L82 PathProgramCache]: Analyzing trace with hash 780876232, now seen corresponding path program 1 times [2019-11-28 17:25:34,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:34,565 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949500233] [2019-11-28 17:25:34,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:34,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:34,633 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949500233] [2019-11-28 17:25:34,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:34,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:34,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053463705] [2019-11-28 17:25:34,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:34,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:34,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:34,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:34,636 INFO L87 Difference]: Start difference. First operand 305 states and 418 transitions. Second operand 3 states. [2019-11-28 17:25:34,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:34,693 INFO L93 Difference]: Finished difference Result 707 states and 963 transitions. [2019-11-28 17:25:34,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:34,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-11-28 17:25:34,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:34,697 INFO L225 Difference]: With dead ends: 707 [2019-11-28 17:25:34,697 INFO L226 Difference]: Without dead ends: 409 [2019-11-28 17:25:34,698 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:34,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2019-11-28 17:25:34,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2019-11-28 17:25:34,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2019-11-28 17:25:34,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 544 transitions. [2019-11-28 17:25:34,733 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 544 transitions. Word has length 36 [2019-11-28 17:25:34,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:34,733 INFO L462 AbstractCegarLoop]: Abstraction has 409 states and 544 transitions. [2019-11-28 17:25:34,733 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:34,734 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 544 transitions. [2019-11-28 17:25:34,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 17:25:34,735 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:34,735 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:34,735 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:34,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:34,736 INFO L82 PathProgramCache]: Analyzing trace with hash -693602552, now seen corresponding path program 1 times [2019-11-28 17:25:34,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:34,736 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858073857] [2019-11-28 17:25:34,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:34,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:34,820 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858073857] [2019-11-28 17:25:34,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:34,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 17:25:34,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115949237] [2019-11-28 17:25:34,822 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 17:25:34,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:34,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 17:25:34,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:25:34,823 INFO L87 Difference]: Start difference. First operand 409 states and 544 transitions. Second operand 8 states. [2019-11-28 17:25:35,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:35,495 INFO L93 Difference]: Finished difference Result 1716 states and 2260 transitions. [2019-11-28 17:25:35,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-28 17:25:35,496 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2019-11-28 17:25:35,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:35,503 INFO L225 Difference]: With dead ends: 1716 [2019-11-28 17:25:35,503 INFO L226 Difference]: Without dead ends: 1314 [2019-11-28 17:25:35,505 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2019-11-28 17:25:35,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2019-11-28 17:25:35,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 409. [2019-11-28 17:25:35,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2019-11-28 17:25:35,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 534 transitions. [2019-11-28 17:25:35,548 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 534 transitions. Word has length 37 [2019-11-28 17:25:35,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:35,548 INFO L462 AbstractCegarLoop]: Abstraction has 409 states and 534 transitions. [2019-11-28 17:25:35,548 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 17:25:35,548 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 534 transitions. [2019-11-28 17:25:35,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-28 17:25:35,549 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:35,550 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-28 17:25:35,550 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:35,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:35,550 INFO L82 PathProgramCache]: Analyzing trace with hash 654995562, now seen corresponding path program 1 times [2019-11-28 17:25:35,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:35,551 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26334262] [2019-11-28 17:25:35,551 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:35,596 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-28 17:25:35,597 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26334262] [2019-11-28 17:25:35,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:35,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:35,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693357560] [2019-11-28 17:25:35,598 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:35,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:35,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:35,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:35,598 INFO L87 Difference]: Start difference. First operand 409 states and 534 transitions. Second operand 3 states. [2019-11-28 17:25:35,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:35,673 INFO L93 Difference]: Finished difference Result 692 states and 901 transitions. [2019-11-28 17:25:35,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:35,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-11-28 17:25:35,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:35,676 INFO L225 Difference]: With dead ends: 692 [2019-11-28 17:25:35,676 INFO L226 Difference]: Without dead ends: 290 [2019-11-28 17:25:35,677 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:35,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2019-11-28 17:25:35,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 282. [2019-11-28 17:25:35,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-11-28 17:25:35,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 362 transitions. [2019-11-28 17:25:35,703 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 362 transitions. Word has length 55 [2019-11-28 17:25:35,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:35,703 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 362 transitions. [2019-11-28 17:25:35,703 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:35,703 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 362 transitions. [2019-11-28 17:25:35,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 17:25:35,704 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:35,704 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:35,705 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:35,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:35,705 INFO L82 PathProgramCache]: Analyzing trace with hash -805983262, now seen corresponding path program 1 times [2019-11-28 17:25:35,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:35,706 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283580777] [2019-11-28 17:25:35,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:35,760 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:35,760 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283580777] [2019-11-28 17:25:35,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:35,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:35,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317866255] [2019-11-28 17:25:35,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:35,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:35,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:35,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:35,762 INFO L87 Difference]: Start difference. First operand 282 states and 362 transitions. Second operand 3 states. [2019-11-28 17:25:35,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:35,821 INFO L93 Difference]: Finished difference Result 413 states and 532 transitions. [2019-11-28 17:25:35,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:35,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-28 17:25:35,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:35,824 INFO L225 Difference]: With dead ends: 413 [2019-11-28 17:25:35,824 INFO L226 Difference]: Without dead ends: 411 [2019-11-28 17:25:35,825 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:35,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2019-11-28 17:25:35,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 308. [2019-11-28 17:25:35,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-11-28 17:25:35,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 401 transitions. [2019-11-28 17:25:35,853 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 401 transitions. Word has length 58 [2019-11-28 17:25:35,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:35,853 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 401 transitions. [2019-11-28 17:25:35,853 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:35,853 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 401 transitions. [2019-11-28 17:25:35,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-28 17:25:35,854 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:35,855 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:35,855 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:35,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:35,856 INFO L82 PathProgramCache]: Analyzing trace with hash 750831267, now seen corresponding path program 1 times [2019-11-28 17:25:35,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:35,856 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642431723] [2019-11-28 17:25:35,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:36,027 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 17:25:36,027 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642431723] [2019-11-28 17:25:36,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:36,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:36,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087274106] [2019-11-28 17:25:36,029 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:36,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:36,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:36,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:36,030 INFO L87 Difference]: Start difference. First operand 308 states and 401 transitions. Second operand 5 states. [2019-11-28 17:25:36,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:36,232 INFO L93 Difference]: Finished difference Result 845 states and 1129 transitions. [2019-11-28 17:25:36,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:25:36,233 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-11-28 17:25:36,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:36,238 INFO L225 Difference]: With dead ends: 845 [2019-11-28 17:25:36,239 INFO L226 Difference]: Without dead ends: 632 [2019-11-28 17:25:36,240 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:25:36,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2019-11-28 17:25:36,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 399. [2019-11-28 17:25:36,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2019-11-28 17:25:36,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 526 transitions. [2019-11-28 17:25:36,294 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 526 transitions. Word has length 82 [2019-11-28 17:25:36,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:36,295 INFO L462 AbstractCegarLoop]: Abstraction has 399 states and 526 transitions. [2019-11-28 17:25:36,295 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:36,297 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 526 transitions. [2019-11-28 17:25:36,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-28 17:25:36,299 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:36,299 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:36,299 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:36,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:36,300 INFO L82 PathProgramCache]: Analyzing trace with hash -270237087, now seen corresponding path program 1 times [2019-11-28 17:25:36,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:36,305 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261578243] [2019-11-28 17:25:36,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:36,408 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:36,409 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261578243] [2019-11-28 17:25:36,409 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897959434] [2019-11-28 17:25:36,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:36,591 INFO L264 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 17:25:36,601 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:25:36,640 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:36,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:25:36,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-11-28 17:25:36,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768648601] [2019-11-28 17:25:36,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:25:36,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:36,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:25:36,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:25:36,643 INFO L87 Difference]: Start difference. First operand 399 states and 526 transitions. Second operand 4 states. [2019-11-28 17:25:36,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:36,864 INFO L93 Difference]: Finished difference Result 1262 states and 1670 transitions. [2019-11-28 17:25:36,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 17:25:36,865 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2019-11-28 17:25:36,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:36,870 INFO L225 Difference]: With dead ends: 1262 [2019-11-28 17:25:36,870 INFO L226 Difference]: Without dead ends: 867 [2019-11-28 17:25:36,871 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:25:36,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2019-11-28 17:25:36,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 857. [2019-11-28 17:25:36,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2019-11-28 17:25:36,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1120 transitions. [2019-11-28 17:25:36,962 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1120 transitions. Word has length 82 [2019-11-28 17:25:36,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:36,962 INFO L462 AbstractCegarLoop]: Abstraction has 857 states and 1120 transitions. [2019-11-28 17:25:36,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:25:36,963 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1120 transitions. [2019-11-28 17:25:36,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-28 17:25:36,970 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:36,970 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:37,175 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:37,175 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:37,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:37,176 INFO L82 PathProgramCache]: Analyzing trace with hash 356464481, now seen corresponding path program 1 times [2019-11-28 17:25:37,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:37,177 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670514094] [2019-11-28 17:25:37,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:37,250 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-28 17:25:37,251 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670514094] [2019-11-28 17:25:37,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:37,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:37,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393861031] [2019-11-28 17:25:37,252 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:37,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:37,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:37,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:37,253 INFO L87 Difference]: Start difference. First operand 857 states and 1120 transitions. Second operand 5 states. [2019-11-28 17:25:37,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:37,382 INFO L93 Difference]: Finished difference Result 1598 states and 2067 transitions. [2019-11-28 17:25:37,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:25:37,383 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-11-28 17:25:37,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:37,387 INFO L225 Difference]: With dead ends: 1598 [2019-11-28 17:25:37,387 INFO L226 Difference]: Without dead ends: 748 [2019-11-28 17:25:37,389 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:25:37,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2019-11-28 17:25:37,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 404. [2019-11-28 17:25:37,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2019-11-28 17:25:37,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 511 transitions. [2019-11-28 17:25:37,442 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 511 transitions. Word has length 82 [2019-11-28 17:25:37,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:37,443 INFO L462 AbstractCegarLoop]: Abstraction has 404 states and 511 transitions. [2019-11-28 17:25:37,443 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:37,443 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 511 transitions. [2019-11-28 17:25:37,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-28 17:25:37,446 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:37,446 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:37,446 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:37,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:37,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1612420545, now seen corresponding path program 2 times [2019-11-28 17:25:37,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:37,447 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858879505] [2019-11-28 17:25:37,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:37,609 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-28 17:25:37,609 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858879505] [2019-11-28 17:25:37,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:37,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 17:25:37,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578246842] [2019-11-28 17:25:37,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:25:37,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:37,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:25:37,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:25:37,612 INFO L87 Difference]: Start difference. First operand 404 states and 511 transitions. Second operand 6 states. [2019-11-28 17:25:37,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:37,893 INFO L93 Difference]: Finished difference Result 992 states and 1252 transitions. [2019-11-28 17:25:37,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:25:37,893 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-11-28 17:25:37,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:37,894 INFO L225 Difference]: With dead ends: 992 [2019-11-28 17:25:37,894 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:25:37,895 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:25:37,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:25:37,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:25:37,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:25:37,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:25:37,897 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2019-11-28 17:25:37,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:37,897 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:25:37,897 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:25:37,897 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:25:37,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:25:37,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:25:38,054 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-11-28 17:25:38,607 WARN L192 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 166 [2019-11-28 17:25:39,000 WARN L192 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 134 [2019-11-28 17:25:39,422 WARN L192 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 162 [2019-11-28 17:25:39,720 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 163 [2019-11-28 17:25:39,910 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 115 [2019-11-28 17:25:40,360 WARN L192 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 212 [2019-11-28 17:25:40,954 WARN L192 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 217 [2019-11-28 17:25:41,385 WARN L192 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 217 [2019-11-28 17:25:41,597 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 155 [2019-11-28 17:25:42,172 WARN L192 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 204 [2019-11-28 17:25:42,468 WARN L192 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 23 [2019-11-28 17:25:42,711 WARN L192 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 21 [2019-11-28 17:25:43,011 WARN L192 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 26 [2019-11-28 17:25:43,848 WARN L192 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 39 [2019-11-28 17:25:44,581 WARN L192 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2019-11-28 17:25:45,474 WARN L192 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 33 [2019-11-28 17:25:45,695 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 26 [2019-11-28 17:25:46,414 WARN L192 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 39 [2019-11-28 17:25:46,954 WARN L192 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 27 [2019-11-28 17:25:48,255 WARN L192 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 207 DAG size of output: 31 [2019-11-28 17:25:49,743 WARN L192 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 214 DAG size of output: 33 [2019-11-28 17:25:50,990 WARN L192 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 212 DAG size of output: 38 [2019-11-28 17:25:52,135 WARN L192 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2019-11-28 17:25:52,463 WARN L192 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 24 [2019-11-28 17:25:53,544 WARN L192 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2019-11-28 17:25:53,551 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2019-11-28 17:25:53,551 INFO L242 CegarLoopResult]: At program point L136(lines 127 140) the Hoare annotation is: false [2019-11-28 17:25:53,552 INFO L242 CegarLoopResult]: At program point L136-1(lines 127 140) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse1 .cse2) (and .cse6 .cse4 .cse7 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse7 .cse1 .cse2))) [2019-11-28 17:25:53,552 INFO L242 CegarLoopResult]: At program point L136-2(lines 127 140) the Hoare annotation is: false [2019-11-28 17:25:53,552 INFO L242 CegarLoopResult]: At program point L136-3(lines 127 140) the Hoare annotation is: false [2019-11-28 17:25:53,552 INFO L242 CegarLoopResult]: At program point L136-4(lines 127 140) the Hoare annotation is: false [2019-11-28 17:25:53,553 INFO L246 CegarLoopResult]: For program point L995(lines 995 1012) no Hoare annotation was computed. [2019-11-28 17:25:53,553 INFO L242 CegarLoopResult]: At program point L136-5(lines 127 140) the Hoare annotation is: false [2019-11-28 17:25:53,553 INFO L242 CegarLoopResult]: At program point L995-1(lines 1 1015) the Hoare annotation is: (let ((.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (let ((.cse7 (= 0 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~10)) (.cse8 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse9 (not .cse2)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse10 (= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse4 .cse9 .cse5 .cse10 .cse6 .cse7) (and .cse8 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse5 .cse6) (and .cse8 .cse3 .cse4 .cse9 .cse5 .cse10 .cse6)))) [2019-11-28 17:25:53,553 INFO L246 CegarLoopResult]: For program point L995-2(lines 995 1012) no Hoare annotation was computed. [2019-11-28 17:25:53,553 INFO L242 CegarLoopResult]: At program point L995-3(lines 1 1015) the Hoare annotation is: false [2019-11-28 17:25:53,553 INFO L246 CegarLoopResult]: For program point L995-4(lines 995 1012) no Hoare annotation was computed. [2019-11-28 17:25:53,553 INFO L242 CegarLoopResult]: At program point L995-5(lines 1 1015) the Hoare annotation is: false [2019-11-28 17:25:53,554 INFO L242 CegarLoopResult]: At program point L931(lines 916 934) the Hoare annotation is: false [2019-11-28 17:25:53,554 INFO L242 CegarLoopResult]: At program point L931-1(lines 916 934) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (.cse8 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse7 .cse8 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse7 .cse8 .cse3 .cse4))) [2019-11-28 17:25:53,554 INFO L242 CegarLoopResult]: At program point L931-2(lines 916 934) the Hoare annotation is: false [2019-11-28 17:25:53,554 INFO L242 CegarLoopResult]: At program point L931-3(lines 916 934) the Hoare annotation is: false [2019-11-28 17:25:53,554 INFO L242 CegarLoopResult]: At program point L931-4(lines 916 934) the Hoare annotation is: false [2019-11-28 17:25:53,554 INFO L242 CegarLoopResult]: At program point L931-5(lines 916 934) the Hoare annotation is: false [2019-11-28 17:25:53,554 INFO L242 CegarLoopResult]: At program point L172-2(lines 172 186) the Hoare annotation is: false [2019-11-28 17:25:53,555 INFO L246 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2019-11-28 17:25:53,555 INFO L246 CegarLoopResult]: For program point L999(lines 999 1009) no Hoare annotation was computed. [2019-11-28 17:25:53,556 INFO L246 CegarLoopResult]: For program point L999-2(lines 999 1009) no Hoare annotation was computed. [2019-11-28 17:25:53,556 INFO L242 CegarLoopResult]: At program point L867(lines 860 870) the Hoare annotation is: false [2019-11-28 17:25:53,556 INFO L246 CegarLoopResult]: For program point L999-4(lines 999 1009) no Hoare annotation was computed. [2019-11-28 17:25:53,556 INFO L242 CegarLoopResult]: At program point L867-1(lines 860 870) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and (not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) .cse0 .cse1 .cse3 (not .cse2) .cse4 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:25:53,557 INFO L242 CegarLoopResult]: At program point L867-2(lines 860 870) the Hoare annotation is: false [2019-11-28 17:25:53,557 INFO L242 CegarLoopResult]: At program point L867-3(lines 860 870) the Hoare annotation is: false [2019-11-28 17:25:53,557 INFO L242 CegarLoopResult]: At program point L867-4(lines 860 870) the Hoare annotation is: false [2019-11-28 17:25:53,557 INFO L242 CegarLoopResult]: At program point L867-5(lines 860 870) the Hoare annotation is: false [2019-11-28 17:25:53,557 INFO L246 CegarLoopResult]: For program point L1000(lines 1000 1006) no Hoare annotation was computed. [2019-11-28 17:25:53,558 INFO L246 CegarLoopResult]: For program point L1000-2(lines 1000 1006) no Hoare annotation was computed. [2019-11-28 17:25:53,558 INFO L246 CegarLoopResult]: For program point L1000-4(lines 1000 1006) no Hoare annotation was computed. [2019-11-28 17:25:53,558 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2019-11-28 17:25:53,558 INFO L246 CegarLoopResult]: For program point L341(lines 341 356) no Hoare annotation was computed. [2019-11-28 17:25:53,558 INFO L246 CegarLoopResult]: For program point L176(lines 176 180) no Hoare annotation was computed. [2019-11-28 17:25:53,559 INFO L246 CegarLoopResult]: For program point L176-1(lines 747 753) no Hoare annotation was computed. [2019-11-28 17:25:53,559 INFO L246 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2019-11-28 17:25:53,559 INFO L246 CegarLoopResult]: For program point L805(lines 805 822) no Hoare annotation was computed. [2019-11-28 17:25:53,559 INFO L246 CegarLoopResult]: For program point L805-1(lines 805 822) no Hoare annotation was computed. [2019-11-28 17:25:53,559 INFO L246 CegarLoopResult]: For program point L805-2(lines 805 822) no Hoare annotation was computed. [2019-11-28 17:25:53,560 INFO L242 CegarLoopResult]: At program point L146(lines 141 149) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 17:25:53,560 INFO L242 CegarLoopResult]: At program point L146-1(lines 141 149) the Hoare annotation is: false [2019-11-28 17:25:53,560 INFO L242 CegarLoopResult]: At program point L146-2(lines 141 149) the Hoare annotation is: false [2019-11-28 17:25:53,560 INFO L246 CegarLoopResult]: For program point L312(lines 311 360) no Hoare annotation was computed. [2019-11-28 17:25:53,561 INFO L246 CegarLoopResult]: For program point L313(lines 313 317) no Hoare annotation was computed. [2019-11-28 17:25:53,561 INFO L246 CegarLoopResult]: For program point L842(lines 842 848) no Hoare annotation was computed. [2019-11-28 17:25:53,561 INFO L246 CegarLoopResult]: For program point L809(lines 809 817) no Hoare annotation was computed. [2019-11-28 17:25:53,561 INFO L246 CegarLoopResult]: For program point L842-2(lines 842 848) no Hoare annotation was computed. [2019-11-28 17:25:53,561 INFO L246 CegarLoopResult]: For program point L809-1(lines 809 817) no Hoare annotation was computed. [2019-11-28 17:25:53,561 INFO L246 CegarLoopResult]: For program point L809-2(lines 809 817) no Hoare annotation was computed. [2019-11-28 17:25:53,562 INFO L246 CegarLoopResult]: For program point L842-4(lines 842 848) no Hoare annotation was computed. [2019-11-28 17:25:53,562 INFO L246 CegarLoopResult]: For program point L842-6(lines 842 848) no Hoare annotation was computed. [2019-11-28 17:25:53,562 INFO L246 CegarLoopResult]: For program point L842-8(lines 842 848) no Hoare annotation was computed. [2019-11-28 17:25:53,562 INFO L246 CegarLoopResult]: For program point L842-10(lines 842 848) no Hoare annotation was computed. [2019-11-28 17:25:53,562 INFO L242 CegarLoopResult]: At program point L876(lines 871 879) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and (= 1 ~systemActive~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 0 ~systemActive~0)))) [2019-11-28 17:25:53,563 INFO L242 CegarLoopResult]: At program point L876-1(lines 871 879) the Hoare annotation is: false [2019-11-28 17:25:53,563 INFO L242 CegarLoopResult]: At program point L876-2(lines 871 879) the Hoare annotation is: false [2019-11-28 17:25:53,563 INFO L246 CegarLoopResult]: For program point L349(lines 349 355) no Hoare annotation was computed. [2019-11-28 17:25:53,563 INFO L242 CegarLoopResult]: At program point L349-1(lines 747 753) the Hoare annotation is: (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse8 (= 0 ~systemActive~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse4) (and .cse0 .cse6 .cse4 .cse7 .cse5) (and .cse2 .cse3 .cse4 .cse7 .cse8) (and .cse1 .cse2 .cse3 .cse4 .cse8) (and .cse0 .cse2 .cse3 .cse4 .cse7 .cse5))) [2019-11-28 17:25:53,563 INFO L246 CegarLoopResult]: For program point L250(lines 250 257) no Hoare annotation was computed. [2019-11-28 17:25:53,564 INFO L249 CegarLoopResult]: At program point L250-1(lines 250 257) the Hoare annotation is: true [2019-11-28 17:25:53,564 INFO L246 CegarLoopResult]: For program point L944(lines 944 948) no Hoare annotation was computed. [2019-11-28 17:25:53,564 INFO L246 CegarLoopResult]: For program point L944-2(lines 944 948) no Hoare annotation was computed. [2019-11-28 17:25:53,564 INFO L246 CegarLoopResult]: For program point L944-3(lines 944 948) no Hoare annotation was computed. [2019-11-28 17:25:53,564 INFO L246 CegarLoopResult]: For program point L779(lines 779 796) no Hoare annotation was computed. [2019-11-28 17:25:53,564 INFO L246 CegarLoopResult]: For program point L944-5(lines 944 948) no Hoare annotation was computed. [2019-11-28 17:25:53,565 INFO L246 CegarLoopResult]: For program point L779-1(lines 779 796) no Hoare annotation was computed. [2019-11-28 17:25:53,565 INFO L246 CegarLoopResult]: For program point L944-6(lines 944 948) no Hoare annotation was computed. [2019-11-28 17:25:53,565 INFO L246 CegarLoopResult]: For program point L779-2(lines 779 796) no Hoare annotation was computed. [2019-11-28 17:25:53,565 INFO L246 CegarLoopResult]: For program point L779-3(lines 779 796) no Hoare annotation was computed. [2019-11-28 17:25:53,565 INFO L246 CegarLoopResult]: For program point L944-8(lines 944 948) no Hoare annotation was computed. [2019-11-28 17:25:53,565 INFO L246 CegarLoopResult]: For program point L779-4(lines 779 796) no Hoare annotation was computed. [2019-11-28 17:25:53,566 INFO L246 CegarLoopResult]: For program point L779-5(lines 779 796) no Hoare annotation was computed. [2019-11-28 17:25:53,566 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:25:53,566 INFO L242 CegarLoopResult]: At program point L747(lines 746 765) the Hoare annotation is: (let ((.cse3 (= 1 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse1 .cse2) (and .cse6 .cse1 .cse4 .cse2 .cse5))) [2019-11-28 17:25:53,566 INFO L246 CegarLoopResult]: For program point L747-1(lines 747 753) no Hoare annotation was computed. [2019-11-28 17:25:53,566 INFO L242 CegarLoopResult]: At program point L747-2(lines 746 765) the Hoare annotation is: false [2019-11-28 17:25:53,567 INFO L242 CegarLoopResult]: At program point L747-3(lines 746 765) the Hoare annotation is: false [2019-11-28 17:25:53,567 INFO L246 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2019-11-28 17:25:53,567 INFO L246 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2019-11-28 17:25:53,567 INFO L246 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2019-11-28 17:25:53,567 INFO L242 CegarLoopResult]: At program point L286(lines 1 1015) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:53,568 INFO L242 CegarLoopResult]: At program point L221(lines 217 223) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:53,568 INFO L246 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2019-11-28 17:25:53,568 INFO L246 CegarLoopResult]: For program point L155-1(line 155) no Hoare annotation was computed. [2019-11-28 17:25:53,568 INFO L246 CegarLoopResult]: For program point L155-2(line 155) no Hoare annotation was computed. [2019-11-28 17:25:53,568 INFO L246 CegarLoopResult]: For program point L783(lines 783 791) no Hoare annotation was computed. [2019-11-28 17:25:53,569 INFO L246 CegarLoopResult]: For program point L783-1(lines 783 791) no Hoare annotation was computed. [2019-11-28 17:25:53,569 INFO L246 CegarLoopResult]: For program point L783-2(lines 783 791) no Hoare annotation was computed. [2019-11-28 17:25:53,569 INFO L246 CegarLoopResult]: For program point L783-3(lines 783 791) no Hoare annotation was computed. [2019-11-28 17:25:53,569 INFO L246 CegarLoopResult]: For program point L783-4(lines 783 791) no Hoare annotation was computed. [2019-11-28 17:25:53,569 INFO L246 CegarLoopResult]: For program point L783-5(lines 783 791) no Hoare annotation was computed. [2019-11-28 17:25:53,569 INFO L246 CegarLoopResult]: For program point L321(lines 321 327) no Hoare annotation was computed. [2019-11-28 17:25:53,570 INFO L242 CegarLoopResult]: At program point L321-1(lines 321 327) the Hoare annotation is: (let ((.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (let ((.cse7 (= 0 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~10)) (.cse8 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse9 (not .cse2)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse10 (= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse4 .cse9 .cse5 .cse10 .cse6 .cse7) (and .cse8 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse5 .cse6) (and .cse8 .cse3 .cse4 .cse9 .cse5 .cse10 .cse6)))) [2019-11-28 17:25:53,570 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:25:53,570 INFO L242 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2019-11-28 17:25:53,570 INFO L242 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (not .cse3) .cse4 (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse3 .cse2 .cse4))) [2019-11-28 17:25:53,571 INFO L242 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: (let ((.cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (let ((.cse5 (= 0 ~systemActive~0)) (.cse6 (not .cse1)) (.cse7 (= 1 ~methaneLevelCritical~0)) (.cse8 (= 1 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse2 .cse3 .cse6 .cse4 .cse7 .cse5) (and .cse8 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse4) (and .cse8 .cse2 .cse3 .cse6 .cse7 .cse4) (and .cse8 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2019-11-28 17:25:53,571 INFO L242 CegarLoopResult]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2019-11-28 17:25:53,571 INFO L242 CegarLoopResult]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2019-11-28 17:25:53,571 INFO L242 CegarLoopResult]: At program point L950(lines 935 953) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse2 (= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)) (.cse4 (= 1 |ULTIMATE.start_isLowWaterLevel_#res|)) (.cse3 (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~9)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse3 .cse5 .cse6 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:25:53,571 INFO L242 CegarLoopResult]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2019-11-28 17:25:53,572 INFO L242 CegarLoopResult]: At program point L950-1(lines 935 953) the Hoare annotation is: false [2019-11-28 17:25:53,572 INFO L242 CegarLoopResult]: At program point L91-6(lines 86 94) the Hoare annotation is: false [2019-11-28 17:25:53,572 INFO L242 CegarLoopResult]: At program point L950-2(lines 935 953) the Hoare annotation is: false [2019-11-28 17:25:53,572 INFO L242 CegarLoopResult]: At program point L91-7(lines 86 94) the Hoare annotation is: false [2019-11-28 17:25:53,572 INFO L242 CegarLoopResult]: At program point L91-8(lines 86 94) the Hoare annotation is: false [2019-11-28 17:25:53,573 INFO L242 CegarLoopResult]: At program point L984(lines 979 986) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:53,573 INFO L242 CegarLoopResult]: At program point L754(lines 754 760) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and .cse0 .cse1 .cse3 .cse4 .cse2) (and .cse0 .cse3 .cse4 .cse2 .cse5) (and .cse3 .cse4 .cse2 .cse5 .cse6) (and .cse1 .cse3 .cse4 .cse2 .cse6))) [2019-11-28 17:25:53,573 INFO L242 CegarLoopResult]: At program point L754-1(lines 754 760) the Hoare annotation is: false [2019-11-28 17:25:53,573 INFO L242 CegarLoopResult]: At program point L754-2(lines 754 760) the Hoare annotation is: false [2019-11-28 17:25:53,573 INFO L249 CegarLoopResult]: At program point L259(lines 240 262) the Hoare annotation is: true [2019-11-28 17:25:53,574 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:25:53,574 INFO L242 CegarLoopResult]: At program point L294(lines 289 297) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:53,574 INFO L242 CegarLoopResult]: At program point L361(lines 310 362) the Hoare annotation is: false [2019-11-28 17:25:53,574 INFO L246 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-11-28 17:25:53,574 INFO L246 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2019-11-28 17:25:53,574 INFO L246 CegarLoopResult]: For program point L131-2(lines 131 137) no Hoare annotation was computed. [2019-11-28 17:25:53,575 INFO L246 CegarLoopResult]: For program point L131-3(lines 131 137) no Hoare annotation was computed. [2019-11-28 17:25:53,575 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:25:53,575 INFO L246 CegarLoopResult]: For program point L131-4(lines 131 137) no Hoare annotation was computed. [2019-11-28 17:25:53,575 INFO L246 CegarLoopResult]: For program point L131-5(lines 131 137) no Hoare annotation was computed. [2019-11-28 17:25:53,575 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2019-11-28 17:25:53,576 INFO L246 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-11-28 17:25:53,576 INFO L246 CegarLoopResult]: For program point L958(lines 958 964) no Hoare annotation was computed. [2019-11-28 17:25:53,576 INFO L242 CegarLoopResult]: At program point L958-1(lines 958 964) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2))) [2019-11-28 17:25:53,576 INFO L246 CegarLoopResult]: For program point L925(lines 925 929) no Hoare annotation was computed. [2019-11-28 17:25:53,576 INFO L246 CegarLoopResult]: For program point L925-2(lines 925 929) no Hoare annotation was computed. [2019-11-28 17:25:53,576 INFO L246 CegarLoopResult]: For program point L925-3(lines 925 929) no Hoare annotation was computed. [2019-11-28 17:25:53,577 INFO L246 CegarLoopResult]: For program point L925-5(lines 925 929) no Hoare annotation was computed. [2019-11-28 17:25:53,577 INFO L246 CegarLoopResult]: For program point L925-6(lines 925 929) no Hoare annotation was computed. [2019-11-28 17:25:53,577 INFO L246 CegarLoopResult]: For program point L925-8(lines 925 929) no Hoare annotation was computed. [2019-11-28 17:25:53,577 INFO L246 CegarLoopResult]: For program point L925-9(lines 925 929) no Hoare annotation was computed. [2019-11-28 17:25:53,577 INFO L246 CegarLoopResult]: For program point L925-11(lines 925 929) no Hoare annotation was computed. [2019-11-28 17:25:53,577 INFO L246 CegarLoopResult]: For program point L925-12(lines 925 929) no Hoare annotation was computed. [2019-11-28 17:25:53,578 INFO L246 CegarLoopResult]: For program point L925-14(lines 925 929) no Hoare annotation was computed. [2019-11-28 17:25:53,578 INFO L246 CegarLoopResult]: For program point L925-15(lines 925 929) no Hoare annotation was computed. [2019-11-28 17:25:53,578 INFO L246 CegarLoopResult]: For program point L925-17(lines 925 929) no Hoare annotation was computed. [2019-11-28 17:25:53,578 INFO L246 CegarLoopResult]: For program point L331(lines 331 337) no Hoare annotation was computed. [2019-11-28 17:25:53,578 INFO L242 CegarLoopResult]: At program point L331-1(lines 331 337) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (= 0 ~systemActive~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse4) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse6 .cse4 .cse8 .cse5) (and .cse2 .cse3 .cse4 .cse8 .cse5 .cse7) (and .cse0 .cse2 .cse3 .cse4 .cse8 .cse5))) [2019-11-28 17:25:53,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:25:53 BoogieIcfgContainer [2019-11-28 17:25:53,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:25:53,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:25:53,615 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:25:53,616 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:25:53,616 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:32" (3/4) ... [2019-11-28 17:25:53,620 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:25:53,644 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:25:53,646 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:25:53,647 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:25:53,648 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:25:53,650 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:25:53,651 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:25:53,652 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:25:53,683 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == methaneLevelCritical && 0 == tmp) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) || (((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == tmp) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-11-28 17:25:53,684 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == methaneLevelCritical && 0 == tmp) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) || (((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == tmp) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-11-28 17:25:53,686 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == methaneLevelCritical && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 1 == methaneLevelCritical) && 0 == splverifierCounter)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:25:53,687 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) || (((((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-11-28 17:25:53,688 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= waterLevel && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((\result == 1 && 1 == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((\result == 1 && 1 == systemActive) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:25:53,688 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && \result == 0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((((\result == 0 && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) [2019-11-28 17:25:53,689 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 == tmp___0) && 0 == tmp) && 1 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) || (((((((1 == systemActive && 0 == \result) && 1 == tmp___0) && 1 == \result) && 0 == tmp) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:25:53,690 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == methaneLevelCritical) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:25:53,691 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:25:53,692 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((!(0 == \result) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:25:53,784 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:25:53,784 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:25:53,786 INFO L168 Benchmark]: Toolchain (without parser) took 23652.84 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 523.2 MB). Free memory was 961.7 MB in the beginning and 1.2 GB in the end (delta: -261.6 MB). Peak memory consumption was 261.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:53,786 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:25:53,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -140.9 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:53,787 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:25:53,788 INFO L168 Benchmark]: Boogie Preprocessor took 82.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:53,788 INFO L168 Benchmark]: RCFGBuilder took 1176.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:53,789 INFO L168 Benchmark]: TraceAbstraction took 21364.43 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 382.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -208.6 MB). Peak memory consumption was 595.4 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:53,789 INFO L168 Benchmark]: Witness Printer took 169.23 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:53,792 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 758.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -140.9 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 95.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 82.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1176.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21364.43 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 382.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -208.6 MB). Peak memory consumption was 595.4 MB. Max. memory is 11.5 GB. * Witness Printer took 169.23 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 155]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 155]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 155]: 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: 86]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) || (((((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 == tmp___0) && 0 == tmp) && 1 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) || (((((((1 == systemActive && 0 == \result) && 1 == tmp___0) && 1 == \result) && 0 == tmp) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: ((((((((((0 == methaneLevelCritical && 0 == tmp) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) || (((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == tmp) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: (((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((0 == methaneLevelCritical && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: ((((((((0 == methaneLevelCritical && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 1 == methaneLevelCritical) && 0 == splverifierCounter)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((!(0 == \result) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((0 == methaneLevelCritical && 0 == tmp) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) || (((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == tmp) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((\result == 1 && 1 == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((\result == 1 && 1 == systemActive) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == splverifierCounter) || ((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || ((((0 == methaneLevelCritical && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || (((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && 0 == splverifierCounter)) || ((((0 == methaneLevelCritical && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (((((((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || ((((0 == methaneLevelCritical && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == methaneLevelCritical) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && \result == 0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((((\result == 0 && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: (((((((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == splverifierCounter)) || (((((0 == methaneLevelCritical && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 3 error locations. Result: SAFE, OverallTime: 5.5s, OverallIterations: 16, TraceHistogramMax: 3, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.6s, HoareTripleCheckerStatistics: 1962 SDtfs, 2326 SDslu, 3607 SDs, 0 SdLazy, 483 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 191 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=857occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 16 MinimizatonAttempts, 2855 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 300 NumberOfFragments, 1178 HoareAnnotationTreeSize, 57 FomulaSimplifications, 9132913 FormulaSimplificationTreeSizeReduction, 4.2s HoareSimplificationTime, 57 FomulaSimplificationsInter, 1426421 FormulaSimplificationTreeSizeReductionInter, 11.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 811 NumberOfCodeBlocks, 811 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 794 ConstructedInterpolants, 0 QuantifiedInterpolants, 81976 SizeOfPredicates, 1 NumberOfNonLiveVariables, 498 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 17 InterpolantComputations, 15 PerfectInterpolantSequences, 263/289 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...