./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product58.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_spec3_product58.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0abcca86e101e0402ce9c7a98a1409292a39ee1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:26:16,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:26:16,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:26:16,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:26:16,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:26:16,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:26:16,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:26:16,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:26:16,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:26:16,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:26:16,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:26:16,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:26:16,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:26:16,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:26:16,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:26:16,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:26:16,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:26:16,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:26:16,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:26:16,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:26:16,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:26:16,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:26:16,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:26:16,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:26:16,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:26:16,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:26:16,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:26:16,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:26:16,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:26:16,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:26:16,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:26:16,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:26:16,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:26:16,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:26:16,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:26:16,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:26:16,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:26:16,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:26:16,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:26:16,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:26:16,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:26:16,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:26:16,703 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:26:16,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:26:16,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:26:16,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:26:16,706 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:26:16,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:26:16,706 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:26:16,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:26:16,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:26:16,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:26:16,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:26:16,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:26:16,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:26:16,709 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:26:16,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:26:16,710 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:26:16,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:26:16,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:26:16,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:26:16,711 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:26:16,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:26:16,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:26:16,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:26:16,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:26:16,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:26:16,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:26:16,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:26:16,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:26:16,714 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:26:16,714 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 -> f0abcca86e101e0402ce9c7a98a1409292a39ee1 [2019-11-28 17:26:17,045 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:26:17,065 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:26:17,070 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:26:17,072 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:26:17,072 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:26:17,073 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2019-11-28 17:26:17,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/472a6dc5c/00b2f7dbb22a4d85846ea744c53749e3/FLAG886f9c70d [2019-11-28 17:26:17,675 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:26:17,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2019-11-28 17:26:17,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/472a6dc5c/00b2f7dbb22a4d85846ea744c53749e3/FLAG886f9c70d [2019-11-28 17:26:17,973 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/472a6dc5c/00b2f7dbb22a4d85846ea744c53749e3 [2019-11-28 17:26:17,976 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:26:17,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:26:17,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:26:17,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:26:17,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:26:17,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:26:17" (1/1) ... [2019-11-28 17:26:17,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fb0a9af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:17, skipping insertion in model container [2019-11-28 17:26:17,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:26:17" (1/1) ... [2019-11-28 17:26:17,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:26:18,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:26:18,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:26:18,562 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:26:18,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:26:18,713 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:26:18,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:18 WrapperNode [2019-11-28 17:26:18,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:26:18,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:26:18,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:26:18,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:26:18,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:18" (1/1) ... [2019-11-28 17:26:18,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:18" (1/1) ... [2019-11-28 17:26:18,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:26:18,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:26:18,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:26:18,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:26:18,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:18" (1/1) ... [2019-11-28 17:26:18,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:18" (1/1) ... [2019-11-28 17:26:18,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:18" (1/1) ... [2019-11-28 17:26:18,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:18" (1/1) ... [2019-11-28 17:26:18,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:18" (1/1) ... [2019-11-28 17:26:18,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:18" (1/1) ... [2019-11-28 17:26:18,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:18" (1/1) ... [2019-11-28 17:26:18,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:26:18,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:26:18,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:26:18,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:26:18,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:18" (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 17:26:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:26:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:26:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:26:18,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:26:19,907 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:26:19,908 INFO L287 CfgBuilder]: Removed 200 assume(true) statements. [2019-11-28 17:26:19,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:19 BoogieIcfgContainer [2019-11-28 17:26:19,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:26:19,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:26:19,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:26:19,916 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:26:19,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:26:17" (1/3) ... [2019-11-28 17:26:19,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e16189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:26:19, skipping insertion in model container [2019-11-28 17:26:19,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:18" (2/3) ... [2019-11-28 17:26:19,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e16189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:26:19, skipping insertion in model container [2019-11-28 17:26:19,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:19" (3/3) ... [2019-11-28 17:26:19,924 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product58.cil.c [2019-11-28 17:26:19,934 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:26:19,941 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:26:19,953 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:26:19,975 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:26:19,975 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:26:19,975 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:26:19,976 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:26:19,976 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:26:19,976 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:26:19,977 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:26:19,977 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:26:19,995 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-11-28 17:26:20,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 17:26:20,004 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:20,005 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 17:26:20,006 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:20,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:20,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1179839814, now seen corresponding path program 1 times [2019-11-28 17:26:20,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:20,020 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605550435] [2019-11-28 17:26:20,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:20,277 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 17:26:20,278 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605550435] [2019-11-28 17:26:20,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:20,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:26:20,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873257230] [2019-11-28 17:26:20,284 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:26:20,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:20,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:26:20,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:26:20,297 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2019-11-28 17:26:20,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:20,335 INFO L93 Difference]: Finished difference Result 276 states and 413 transitions. [2019-11-28 17:26:20,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:26:20,336 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 17:26:20,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:20,350 INFO L225 Difference]: With dead ends: 276 [2019-11-28 17:26:20,350 INFO L226 Difference]: Without dead ends: 137 [2019-11-28 17:26:20,354 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 17:26:20,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-28 17:26:20,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-11-28 17:26:20,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-28 17:26:20,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 198 transitions. [2019-11-28 17:26:20,409 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 198 transitions. Word has length 18 [2019-11-28 17:26:20,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:20,410 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 198 transitions. [2019-11-28 17:26:20,410 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:26:20,410 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2019-11-28 17:26:20,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 17:26:20,412 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:20,412 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 17:26:20,412 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:20,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:20,413 INFO L82 PathProgramCache]: Analyzing trace with hash -2090870567, now seen corresponding path program 1 times [2019-11-28 17:26:20,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:20,414 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403777834] [2019-11-28 17:26:20,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:20,511 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 17:26:20,514 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403777834] [2019-11-28 17:26:20,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:20,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:26:20,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847442859] [2019-11-28 17:26:20,517 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:26:20,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:20,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:26:20,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:20,519 INFO L87 Difference]: Start difference. First operand 137 states and 198 transitions. Second operand 3 states. [2019-11-28 17:26:20,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:20,538 INFO L93 Difference]: Finished difference Result 137 states and 198 transitions. [2019-11-28 17:26:20,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:26:20,539 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 17:26:20,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:20,540 INFO L225 Difference]: With dead ends: 137 [2019-11-28 17:26:20,541 INFO L226 Difference]: Without dead ends: 55 [2019-11-28 17:26:20,542 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 17:26:20,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-28 17:26:20,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-28 17:26:20,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-28 17:26:20,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-11-28 17:26:20,550 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2019-11-28 17:26:20,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:20,550 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-11-28 17:26:20,551 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:26:20,551 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-11-28 17:26:20,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:26:20,552 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:20,552 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 17:26:20,552 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:20,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:20,553 INFO L82 PathProgramCache]: Analyzing trace with hash -917137565, now seen corresponding path program 1 times [2019-11-28 17:26:20,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:20,554 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548315999] [2019-11-28 17:26:20,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:20,714 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 17:26:20,714 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548315999] [2019-11-28 17:26:20,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:20,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:26:20,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428831937] [2019-11-28 17:26:20,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:20,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:20,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:20,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:20,717 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 5 states. [2019-11-28 17:26:20,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:20,776 INFO L93 Difference]: Finished difference Result 104 states and 152 transitions. [2019-11-28 17:26:20,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:26:20,777 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-28 17:26:20,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:20,778 INFO L225 Difference]: With dead ends: 104 [2019-11-28 17:26:20,778 INFO L226 Difference]: Without dead ends: 55 [2019-11-28 17:26:20,779 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 17:26:20,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-28 17:26:20,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-28 17:26:20,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-28 17:26:20,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2019-11-28 17:26:20,788 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2019-11-28 17:26:20,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:20,788 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2019-11-28 17:26:20,788 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:20,789 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2019-11-28 17:26:20,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 17:26:20,790 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:20,790 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 17:26:20,790 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:20,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:20,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1642774406, now seen corresponding path program 1 times [2019-11-28 17:26:20,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:20,791 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295158135] [2019-11-28 17:26:20,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:20,868 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 17:26:20,869 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295158135] [2019-11-28 17:26:20,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:20,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:26:20,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144308357] [2019-11-28 17:26:20,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:26:20,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:20,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:26:20,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:20,874 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2019-11-28 17:26:20,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:20,926 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2019-11-28 17:26:20,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:26:20,927 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 17:26:20,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:20,928 INFO L225 Difference]: With dead ends: 127 [2019-11-28 17:26:20,929 INFO L226 Difference]: Without dead ends: 78 [2019-11-28 17:26:20,930 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 17:26:20,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-11-28 17:26:20,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2019-11-28 17:26:20,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-28 17:26:20,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 107 transitions. [2019-11-28 17:26:20,952 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 107 transitions. Word has length 26 [2019-11-28 17:26:20,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:20,952 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 107 transitions. [2019-11-28 17:26:20,952 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:26:20,953 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2019-11-28 17:26:20,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 17:26:20,954 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:20,954 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] [2019-11-28 17:26:20,954 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:20,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:20,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1904097010, now seen corresponding path program 1 times [2019-11-28 17:26:20,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:20,955 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898233867] [2019-11-28 17:26:20,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:21,101 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 17:26:21,101 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898233867] [2019-11-28 17:26:21,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:21,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:26:21,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084582547] [2019-11-28 17:26:21,104 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:21,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:21,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:21,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:21,105 INFO L87 Difference]: Start difference. First operand 76 states and 107 transitions. Second operand 5 states. [2019-11-28 17:26:21,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:21,269 INFO L93 Difference]: Finished difference Result 381 states and 553 transitions. [2019-11-28 17:26:21,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:26:21,269 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 17:26:21,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:21,273 INFO L225 Difference]: With dead ends: 381 [2019-11-28 17:26:21,273 INFO L226 Difference]: Without dead ends: 311 [2019-11-28 17:26:21,274 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:26:21,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2019-11-28 17:26:21,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 123. [2019-11-28 17:26:21,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-11-28 17:26:21,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 170 transitions. [2019-11-28 17:26:21,297 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 170 transitions. Word has length 32 [2019-11-28 17:26:21,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:21,297 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 170 transitions. [2019-11-28 17:26:21,298 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:21,298 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 170 transitions. [2019-11-28 17:26:21,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:26:21,299 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:21,299 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] [2019-11-28 17:26:21,300 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:21,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:21,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1319823756, now seen corresponding path program 1 times [2019-11-28 17:26:21,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:21,301 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450440727] [2019-11-28 17:26:21,301 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:21,417 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 17:26:21,418 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450440727] [2019-11-28 17:26:21,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:21,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:26:21,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718090786] [2019-11-28 17:26:21,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:21,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:21,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:21,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:21,420 INFO L87 Difference]: Start difference. First operand 123 states and 170 transitions. Second operand 5 states. [2019-11-28 17:26:21,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:21,593 INFO L93 Difference]: Finished difference Result 561 states and 803 transitions. [2019-11-28 17:26:21,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:26:21,594 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 17:26:21,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:21,597 INFO L225 Difference]: With dead ends: 561 [2019-11-28 17:26:21,597 INFO L226 Difference]: Without dead ends: 491 [2019-11-28 17:26:21,599 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:26:21,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2019-11-28 17:26:21,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 185. [2019-11-28 17:26:21,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-11-28 17:26:21,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 256 transitions. [2019-11-28 17:26:21,649 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 256 transitions. Word has length 33 [2019-11-28 17:26:21,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:21,651 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 256 transitions. [2019-11-28 17:26:21,652 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:21,652 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 256 transitions. [2019-11-28 17:26:21,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:26:21,663 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:21,665 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] [2019-11-28 17:26:21,666 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:21,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:21,667 INFO L82 PathProgramCache]: Analyzing trace with hash 308706506, now seen corresponding path program 1 times [2019-11-28 17:26:21,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:21,668 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950315980] [2019-11-28 17:26:21,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:21,727 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 17:26:21,728 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950315980] [2019-11-28 17:26:21,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:21,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:26:21,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500440190] [2019-11-28 17:26:21,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:26:21,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:21,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:26:21,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:26:21,730 INFO L87 Difference]: Start difference. First operand 185 states and 256 transitions. Second operand 4 states. [2019-11-28 17:26:21,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:21,802 INFO L93 Difference]: Finished difference Result 569 states and 796 transitions. [2019-11-28 17:26:21,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:26:21,802 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-11-28 17:26:21,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:21,806 INFO L225 Difference]: With dead ends: 569 [2019-11-28 17:26:21,806 INFO L226 Difference]: Without dead ends: 435 [2019-11-28 17:26:21,810 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 17:26:21,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2019-11-28 17:26:21,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 185. [2019-11-28 17:26:21,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-11-28 17:26:21,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 254 transitions. [2019-11-28 17:26:21,830 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 254 transitions. Word has length 33 [2019-11-28 17:26:21,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:21,830 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 254 transitions. [2019-11-28 17:26:21,831 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:26:21,831 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 254 transitions. [2019-11-28 17:26:21,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:26:21,832 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:21,832 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] [2019-11-28 17:26:21,832 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:21,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:21,833 INFO L82 PathProgramCache]: Analyzing trace with hash 566871944, now seen corresponding path program 1 times [2019-11-28 17:26:21,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:21,833 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675787841] [2019-11-28 17:26:21,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:21,899 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 17:26:21,899 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675787841] [2019-11-28 17:26:21,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:21,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 17:26:21,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402308299] [2019-11-28 17:26:21,901 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 17:26:21,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:21,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 17:26:21,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:26:21,902 INFO L87 Difference]: Start difference. First operand 185 states and 254 transitions. Second operand 7 states. [2019-11-28 17:26:22,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:22,104 INFO L93 Difference]: Finished difference Result 710 states and 987 transitions. [2019-11-28 17:26:22,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:26:22,105 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-28 17:26:22,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:22,109 INFO L225 Difference]: With dead ends: 710 [2019-11-28 17:26:22,109 INFO L226 Difference]: Without dead ends: 531 [2019-11-28 17:26:22,111 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-28 17:26:22,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2019-11-28 17:26:22,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 194. [2019-11-28 17:26:22,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-11-28 17:26:22,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 261 transitions. [2019-11-28 17:26:22,139 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 261 transitions. Word has length 33 [2019-11-28 17:26:22,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:22,139 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 261 transitions. [2019-11-28 17:26:22,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 17:26:22,140 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 261 transitions. [2019-11-28 17:26:22,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 17:26:22,141 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:22,141 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 17:26:22,142 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:22,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:22,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1083058712, now seen corresponding path program 1 times [2019-11-28 17:26:22,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:22,143 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037057596] [2019-11-28 17:26:22,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:22,224 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 17:26:22,226 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037057596] [2019-11-28 17:26:22,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:22,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:26:22,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622096407] [2019-11-28 17:26:22,227 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:26:22,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:22,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:26:22,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:26:22,228 INFO L87 Difference]: Start difference. First operand 194 states and 261 transitions. Second operand 6 states. [2019-11-28 17:26:22,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:22,634 INFO L93 Difference]: Finished difference Result 1521 states and 2031 transitions. [2019-11-28 17:26:22,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-28 17:26:22,635 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2019-11-28 17:26:22,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:22,642 INFO L225 Difference]: With dead ends: 1521 [2019-11-28 17:26:22,642 INFO L226 Difference]: Without dead ends: 1333 [2019-11-28 17:26:22,644 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-11-28 17:26:22,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1333 states. [2019-11-28 17:26:22,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1333 to 380. [2019-11-28 17:26:22,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2019-11-28 17:26:22,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 504 transitions. [2019-11-28 17:26:22,700 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 504 transitions. Word has length 36 [2019-11-28 17:26:22,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:22,702 INFO L462 AbstractCegarLoop]: Abstraction has 380 states and 504 transitions. [2019-11-28 17:26:22,702 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:26:22,702 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 504 transitions. [2019-11-28 17:26:22,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 17:26:22,704 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:22,704 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 17:26:22,704 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:22,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:22,705 INFO L82 PathProgramCache]: Analyzing trace with hash -403000342, now seen corresponding path program 1 times [2019-11-28 17:26:22,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:22,705 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860081258] [2019-11-28 17:26:22,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:22,773 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 17:26:22,773 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860081258] [2019-11-28 17:26:22,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:22,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:26:22,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306516657] [2019-11-28 17:26:22,774 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:22,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:22,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:22,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:22,777 INFO L87 Difference]: Start difference. First operand 380 states and 504 transitions. Second operand 5 states. [2019-11-28 17:26:22,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:22,965 INFO L93 Difference]: Finished difference Result 1004 states and 1359 transitions. [2019-11-28 17:26:22,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:26:22,966 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-28 17:26:22,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:22,969 INFO L225 Difference]: With dead ends: 1004 [2019-11-28 17:26:22,969 INFO L226 Difference]: Without dead ends: 630 [2019-11-28 17:26:22,970 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:26:22,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2019-11-28 17:26:23,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 338. [2019-11-28 17:26:23,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2019-11-28 17:26:23,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 438 transitions. [2019-11-28 17:26:23,015 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 438 transitions. Word has length 36 [2019-11-28 17:26:23,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:23,016 INFO L462 AbstractCegarLoop]: Abstraction has 338 states and 438 transitions. [2019-11-28 17:26:23,017 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:23,018 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 438 transitions. [2019-11-28 17:26:23,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 17:26:23,019 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:23,019 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 17:26:23,020 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:23,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:23,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1138138450, now seen corresponding path program 1 times [2019-11-28 17:26:23,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:23,021 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737682851] [2019-11-28 17:26:23,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:23,091 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 17:26:23,092 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737682851] [2019-11-28 17:26:23,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:23,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 17:26:23,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469400091] [2019-11-28 17:26:23,093 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 17:26:23,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:23,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 17:26:23,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:26:23,094 INFO L87 Difference]: Start difference. First operand 338 states and 438 transitions. Second operand 7 states. [2019-11-28 17:26:23,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:23,388 INFO L93 Difference]: Finished difference Result 1049 states and 1355 transitions. [2019-11-28 17:26:23,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 17:26:23,389 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2019-11-28 17:26:23,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:23,394 INFO L225 Difference]: With dead ends: 1049 [2019-11-28 17:26:23,394 INFO L226 Difference]: Without dead ends: 717 [2019-11-28 17:26:23,395 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2019-11-28 17:26:23,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2019-11-28 17:26:23,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 322. [2019-11-28 17:26:23,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2019-11-28 17:26:23,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 407 transitions. [2019-11-28 17:26:23,447 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 407 transitions. Word has length 37 [2019-11-28 17:26:23,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:23,447 INFO L462 AbstractCegarLoop]: Abstraction has 322 states and 407 transitions. [2019-11-28 17:26:23,448 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 17:26:23,448 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 407 transitions. [2019-11-28 17:26:23,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-28 17:26:23,449 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:23,449 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:23,449 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:23,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:23,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1478001787, now seen corresponding path program 1 times [2019-11-28 17:26:23,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:23,450 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685506563] [2019-11-28 17:26:23,451 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:23,551 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 17:26:23,552 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685506563] [2019-11-28 17:26:23,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:23,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:26:23,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171699776] [2019-11-28 17:26:23,553 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:23,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:23,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:23,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:23,554 INFO L87 Difference]: Start difference. First operand 322 states and 407 transitions. Second operand 5 states. [2019-11-28 17:26:23,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:23,696 INFO L93 Difference]: Finished difference Result 838 states and 1060 transitions. [2019-11-28 17:26:23,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:26:23,696 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2019-11-28 17:26:23,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:23,700 INFO L225 Difference]: With dead ends: 838 [2019-11-28 17:26:23,700 INFO L226 Difference]: Without dead ends: 522 [2019-11-28 17:26:23,701 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:26:23,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2019-11-28 17:26:23,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 322. [2019-11-28 17:26:23,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2019-11-28 17:26:23,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 401 transitions. [2019-11-28 17:26:23,751 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 401 transitions. Word has length 56 [2019-11-28 17:26:23,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:23,753 INFO L462 AbstractCegarLoop]: Abstraction has 322 states and 401 transitions. [2019-11-28 17:26:23,753 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:23,753 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 401 transitions. [2019-11-28 17:26:23,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 17:26:23,754 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:23,754 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:23,755 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:23,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:23,755 INFO L82 PathProgramCache]: Analyzing trace with hash 458072168, now seen corresponding path program 1 times [2019-11-28 17:26:23,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:23,756 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368666320] [2019-11-28 17:26:23,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:23,828 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 17:26:23,829 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368666320] [2019-11-28 17:26:23,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:23,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:26:23,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134484750] [2019-11-28 17:26:23,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:23,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:23,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:23,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:23,832 INFO L87 Difference]: Start difference. First operand 322 states and 401 transitions. Second operand 5 states. [2019-11-28 17:26:23,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:23,953 INFO L93 Difference]: Finished difference Result 714 states and 901 transitions. [2019-11-28 17:26:23,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:26:23,954 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-11-28 17:26:23,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:23,957 INFO L225 Difference]: With dead ends: 714 [2019-11-28 17:26:23,957 INFO L226 Difference]: Without dead ends: 490 [2019-11-28 17:26:23,959 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 17:26:23,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2019-11-28 17:26:24,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 334. [2019-11-28 17:26:24,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2019-11-28 17:26:24,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 413 transitions. [2019-11-28 17:26:24,036 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 413 transitions. Word has length 58 [2019-11-28 17:26:24,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:24,037 INFO L462 AbstractCegarLoop]: Abstraction has 334 states and 413 transitions. [2019-11-28 17:26:24,037 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:24,037 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 413 transitions. [2019-11-28 17:26:24,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 17:26:24,038 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:24,038 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:24,038 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:24,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:24,039 INFO L82 PathProgramCache]: Analyzing trace with hash 716237606, now seen corresponding path program 1 times [2019-11-28 17:26:24,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:24,046 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613969844] [2019-11-28 17:26:24,047 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:24,150 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-28 17:26:24,151 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613969844] [2019-11-28 17:26:24,152 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234766614] [2019-11-28 17:26:24,152 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 17:26:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:24,313 INFO L264 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 17:26:24,333 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:26:24,381 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-28 17:26:24,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:26:24,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2019-11-28 17:26:24,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822275846] [2019-11-28 17:26:24,383 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:26:24,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:24,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:26:24,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:26:24,384 INFO L87 Difference]: Start difference. First operand 334 states and 413 transitions. Second operand 6 states. [2019-11-28 17:26:24,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:24,695 INFO L93 Difference]: Finished difference Result 1182 states and 1488 transitions. [2019-11-28 17:26:24,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:26:24,696 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-11-28 17:26:24,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:24,696 INFO L225 Difference]: With dead ends: 1182 [2019-11-28 17:26:24,696 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:26:24,698 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-11-28 17:26:24,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:26:24,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:26:24,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:26:24,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:26:24,698 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-11-28 17:26:24,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:24,699 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:26:24,699 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:26:24,699 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:26:24,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:26:24,904 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:26:24,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:26:25,410 WARN L192 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 180 [2019-11-28 17:26:27,032 WARN L192 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 371 DAG size of output: 313 [2019-11-28 17:26:27,217 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 127 [2019-11-28 17:26:27,947 WARN L192 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 271 [2019-11-28 17:26:28,074 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 116 [2019-11-28 17:26:28,710 WARN L192 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 300 [2019-11-28 17:26:29,043 WARN L192 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 201 [2019-11-28 17:26:29,275 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 142 [2019-11-28 17:26:30,100 WARN L192 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 300 [2019-11-28 17:26:30,298 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 141 [2019-11-28 17:26:30,613 WARN L192 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 211 [2019-11-28 17:26:30,738 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 123 [2019-11-28 17:26:31,041 WARN L192 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 205 [2019-11-28 17:26:32,076 WARN L192 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 40 [2019-11-28 17:26:36,315 WARN L192 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 310 DAG size of output: 32 [2019-11-28 17:26:36,996 WARN L192 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 20 [2019-11-28 17:26:39,903 WARN L192 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 270 DAG size of output: 26 [2019-11-28 17:26:40,603 WARN L192 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 46 [2019-11-28 17:26:43,727 WARN L192 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 295 DAG size of output: 25 [2019-11-28 17:26:45,607 WARN L192 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 199 DAG size of output: 32 [2019-11-28 17:26:46,467 WARN L192 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 26 [2019-11-28 17:26:49,642 WARN L192 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 295 DAG size of output: 25 [2019-11-28 17:26:50,406 WARN L192 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2019-11-28 17:26:51,831 WARN L192 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 198 DAG size of output: 39 [2019-11-28 17:26:52,580 WARN L192 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 50 [2019-11-28 17:26:53,879 WARN L192 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 197 DAG size of output: 53 [2019-11-28 17:26:54,133 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 33 [2019-11-28 17:26:54,160 INFO L246 CegarLoopResult]: For program point L729(lines 729 735) no Hoare annotation was computed. [2019-11-28 17:26:54,161 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2019-11-28 17:26:54,161 INFO L242 CegarLoopResult]: At program point L729-1(lines 729 735) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4) (and .cse0 .cse2 .cse1 (= 0 ULTIMATE.start_activatePump_~tmp~8) (= ~pumpRunning~0 1) .cse3 .cse4))) [2019-11-28 17:26:54,161 INFO L242 CegarLoopResult]: At program point L895(lines 888 898) the Hoare annotation is: false [2019-11-28 17:26:54,162 INFO L242 CegarLoopResult]: At program point L895-1(lines 888 898) the Hoare annotation is: (let ((.cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= 0 ~methaneLevelCritical~0))) (let ((.cse14 (not .cse2)) (.cse5 (<= ~waterLevel~0 1)) (.cse16 (not .cse4)) (.cse1 (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) (.cse10 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse11 (<= ~waterLevel~0 2)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse6 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 0))) (.cse12 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse13 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse15 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2))) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse9 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse11 .cse3 .cse6 .cse12 .cse13 .cse0 .cse14 .cse15 .cse7 .cse8 .cse16 .cse9) (and .cse0 .cse14 .cse3 .cse5 .cse6 .cse7 .cse8 .cse16 .cse9) (and .cse1 .cse2 .cse10 .cse11 .cse3 .cse4 .cse6 .cse12 .cse13 .cse0 .cse15 .cse7 .cse8 .cse9)))) [2019-11-28 17:26:54,162 INFO L242 CegarLoopResult]: At program point L895-2(lines 888 898) the Hoare annotation is: false [2019-11-28 17:26:54,162 INFO L242 CegarLoopResult]: At program point L895-3(lines 888 898) the Hoare annotation is: false [2019-11-28 17:26:54,162 INFO L242 CegarLoopResult]: At program point L895-4(lines 888 898) the Hoare annotation is: false [2019-11-28 17:26:54,162 INFO L242 CegarLoopResult]: At program point L895-5(lines 888 898) the Hoare annotation is: false [2019-11-28 17:26:54,162 INFO L242 CegarLoopResult]: At program point L103(lines 99 105) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-28 17:26:54,162 INFO L246 CegarLoopResult]: For program point L566(lines 566 570) no Hoare annotation was computed. [2019-11-28 17:26:54,163 INFO L246 CegarLoopResult]: For program point L566-3(lines 566 570) no Hoare annotation was computed. [2019-11-28 17:26:54,163 INFO L246 CegarLoopResult]: For program point L566-6(lines 566 570) no Hoare annotation was computed. [2019-11-28 17:26:54,163 INFO L249 CegarLoopResult]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-11-28 17:26:54,163 INFO L246 CegarLoopResult]: For program point L833(lines 833 850) no Hoare annotation was computed. [2019-11-28 17:26:54,163 INFO L246 CegarLoopResult]: For program point L833-1(lines 833 850) no Hoare annotation was computed. [2019-11-28 17:26:54,163 INFO L246 CegarLoopResult]: For program point L833-2(lines 833 850) no Hoare annotation was computed. [2019-11-28 17:26:54,163 INFO L242 CegarLoopResult]: At program point L635(lines 630 638) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4)) (.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ~waterLevel~0 2) (= 0 ULTIMATE.start_activatePump_~tmp~8) (= ~pumpRunning~0 1) .cse5 .cse6) (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse3 .cse4 (<= ~waterLevel~0 1) (= ~pumpRunning~0 0) .cse5 .cse6))) [2019-11-28 17:26:54,164 INFO L242 CegarLoopResult]: At program point L635-1(lines 630 638) the Hoare annotation is: false [2019-11-28 17:26:54,164 INFO L242 CegarLoopResult]: At program point L635-2(lines 630 638) the Hoare annotation is: false [2019-11-28 17:26:54,164 INFO L242 CegarLoopResult]: At program point L603(lines 598 606) the Hoare annotation is: false [2019-11-28 17:26:54,164 INFO L242 CegarLoopResult]: At program point L603-1(lines 598 606) the Hoare annotation is: (let ((.cse14 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse13 (= 0 ~methaneLevelCritical~0))) (let ((.cse7 (not .cse13)) (.cse15 (<= ~waterLevel~0 1)) (.cse11 (not .cse14)) (.cse0 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 0))) (.cse4 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse5 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2))) (.cse9 (= ~pumpRunning~0 0)) (.cse10 (not (= 0 ~systemActive~0))) (.cse12 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse6 .cse13 .cse2 .cse14 .cse15 .cse3 .cse9 .cse10 .cse12) (and .cse6 .cse7 .cse2 .cse15 .cse3 .cse9 .cse10 .cse11 .cse12) (and .cse13 .cse0 .cse1 .cse14 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8 .cse9 .cse10 .cse12)))) [2019-11-28 17:26:54,164 INFO L242 CegarLoopResult]: At program point L603-2(lines 598 606) the Hoare annotation is: (let ((.cse10 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse9 (= 0 ~methaneLevelCritical~0))) (let ((.cse4 (= 0 ULTIMATE.start_activatePump_~tmp~8)) (.cse5 (= ~pumpRunning~0 1)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (not .cse9)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse11 (= ~pumpRunning~0 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse7 (not .cse10)) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse3 .cse10 .cse2 .cse4 .cse5 .cse6 .cse8) (and .cse0 .cse9 .cse3 .cse10 (<= ~waterLevel~0 1) .cse11 .cse6 .cse8) (and .cse0 .cse1 .cse3 .cse2 .cse11 .cse6 .cse7 .cse8)))) [2019-11-28 17:26:54,164 INFO L242 CegarLoopResult]: At program point L603-3(lines 598 606) the Hoare annotation is: false [2019-11-28 17:26:54,165 INFO L242 CegarLoopResult]: At program point L603-4(lines 598 606) the Hoare annotation is: false [2019-11-28 17:26:54,165 INFO L242 CegarLoopResult]: At program point L603-5(lines 598 606) the Hoare annotation is: false [2019-11-28 17:26:54,165 INFO L242 CegarLoopResult]: At program point L603-6(lines 598 606) the Hoare annotation is: false [2019-11-28 17:26:54,165 INFO L242 CegarLoopResult]: At program point L603-7(lines 598 606) the Hoare annotation is: false [2019-11-28 17:26:54,165 INFO L242 CegarLoopResult]: At program point L603-8(lines 598 606) the Hoare annotation is: false [2019-11-28 17:26:54,165 INFO L242 CegarLoopResult]: At program point L174(lines 169 177) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-28 17:26:54,165 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2019-11-28 17:26:54,166 INFO L246 CegarLoopResult]: For program point L870(lines 870 876) no Hoare annotation was computed. [2019-11-28 17:26:54,166 INFO L246 CegarLoopResult]: For program point L837(lines 837 845) no Hoare annotation was computed. [2019-11-28 17:26:54,166 INFO L246 CegarLoopResult]: For program point L870-2(lines 870 876) no Hoare annotation was computed. [2019-11-28 17:26:54,166 INFO L246 CegarLoopResult]: For program point L837-1(lines 837 845) no Hoare annotation was computed. [2019-11-28 17:26:54,166 INFO L246 CegarLoopResult]: For program point L837-2(lines 837 845) no Hoare annotation was computed. [2019-11-28 17:26:54,166 INFO L246 CegarLoopResult]: For program point L870-4(lines 870 876) no Hoare annotation was computed. [2019-11-28 17:26:54,166 INFO L246 CegarLoopResult]: For program point L870-6(lines 870 876) no Hoare annotation was computed. [2019-11-28 17:26:54,166 INFO L246 CegarLoopResult]: For program point L870-8(lines 870 876) no Hoare annotation was computed. [2019-11-28 17:26:54,166 INFO L246 CegarLoopResult]: For program point L870-10(lines 870 876) no Hoare annotation was computed. [2019-11-28 17:26:54,167 INFO L242 CegarLoopResult]: At program point L904(lines 899 907) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ULTIMATE.start_main_~tmp~0) (<= ~waterLevel~0 2) (= 0 ULTIMATE.start_activatePump_~tmp~8) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:54,167 INFO L242 CegarLoopResult]: At program point L904-1(lines 899 907) the Hoare annotation is: false [2019-11-28 17:26:54,167 INFO L242 CegarLoopResult]: At program point L904-2(lines 899 907) the Hoare annotation is: false [2019-11-28 17:26:54,167 INFO L246 CegarLoopResult]: For program point L739(lines 739 752) no Hoare annotation was computed. [2019-11-28 17:26:54,167 INFO L246 CegarLoopResult]: For program point L673(lines 673 693) no Hoare annotation was computed. [2019-11-28 17:26:54,167 INFO L246 CegarLoopResult]: For program point L673-2(lines 673 693) no Hoare annotation was computed. [2019-11-28 17:26:54,167 INFO L246 CegarLoopResult]: For program point L673-4(lines 673 693) no Hoare annotation was computed. [2019-11-28 17:26:54,167 INFO L246 CegarLoopResult]: For program point L972(lines 972 976) no Hoare annotation was computed. [2019-11-28 17:26:54,167 INFO L246 CegarLoopResult]: For program point L972-2(lines 972 976) no Hoare annotation was computed. [2019-11-28 17:26:54,167 INFO L246 CegarLoopResult]: For program point L972-3(lines 972 976) no Hoare annotation was computed. [2019-11-28 17:26:54,168 INFO L246 CegarLoopResult]: For program point L807(lines 807 824) no Hoare annotation was computed. [2019-11-28 17:26:54,168 INFO L246 CegarLoopResult]: For program point L972-5(lines 972 976) no Hoare annotation was computed. [2019-11-28 17:26:54,168 INFO L246 CegarLoopResult]: For program point L807-1(lines 807 824) no Hoare annotation was computed. [2019-11-28 17:26:54,168 INFO L246 CegarLoopResult]: For program point L972-6(lines 972 976) no Hoare annotation was computed. [2019-11-28 17:26:54,168 INFO L246 CegarLoopResult]: For program point L807-2(lines 807 824) no Hoare annotation was computed. [2019-11-28 17:26:54,168 INFO L246 CegarLoopResult]: For program point L807-3(lines 807 824) no Hoare annotation was computed. [2019-11-28 17:26:54,168 INFO L246 CegarLoopResult]: For program point L972-8(lines 972 976) no Hoare annotation was computed. [2019-11-28 17:26:54,168 INFO L246 CegarLoopResult]: For program point L807-4(lines 807 824) no Hoare annotation was computed. [2019-11-28 17:26:54,168 INFO L246 CegarLoopResult]: For program point L807-5(lines 807 824) no Hoare annotation was computed. [2019-11-28 17:26:54,169 INFO L242 CegarLoopResult]: At program point L775(lines 774 793) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ULTIMATE.start_activatePump_~tmp~8) (<= ~waterLevel~0 1) (= ~pumpRunning~0 1) .cse2 .cse3) (and .cse0 (<= ~waterLevel~0 2) .cse1 (= ~pumpRunning~0 0) .cse2 .cse3))) [2019-11-28 17:26:54,169 INFO L246 CegarLoopResult]: For program point L775-1(lines 775 781) no Hoare annotation was computed. [2019-11-28 17:26:54,169 INFO L242 CegarLoopResult]: At program point L775-2(lines 774 793) the Hoare annotation is: false [2019-11-28 17:26:54,169 INFO L242 CegarLoopResult]: At program point L775-3(lines 774 793) the Hoare annotation is: false [2019-11-28 17:26:54,169 INFO L246 CegarLoopResult]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-11-28 17:26:54,169 INFO L246 CegarLoopResult]: For program point L643-1(lines 643 649) no Hoare annotation was computed. [2019-11-28 17:26:54,169 INFO L246 CegarLoopResult]: For program point L643-2(lines 643 649) no Hoare annotation was computed. [2019-11-28 17:26:54,169 INFO L246 CegarLoopResult]: For program point L643-3(lines 643 649) no Hoare annotation was computed. [2019-11-28 17:26:54,169 INFO L246 CegarLoopResult]: For program point L643-4(lines 643 649) no Hoare annotation was computed. [2019-11-28 17:26:54,169 INFO L246 CegarLoopResult]: For program point L643-5(lines 643 649) no Hoare annotation was computed. [2019-11-28 17:26:54,170 INFO L246 CegarLoopResult]: For program point L710(lines 709 756) no Hoare annotation was computed. [2019-11-28 17:26:54,170 INFO L246 CegarLoopResult]: For program point L578(lines 578 582) no Hoare annotation was computed. [2019-11-28 17:26:54,170 INFO L246 CegarLoopResult]: For program point L711(lines 711 715) no Hoare annotation was computed. [2019-11-28 17:26:54,170 INFO L246 CegarLoopResult]: For program point L811(lines 811 819) no Hoare annotation was computed. [2019-11-28 17:26:54,170 INFO L246 CegarLoopResult]: For program point L811-1(lines 811 819) no Hoare annotation was computed. [2019-11-28 17:26:54,170 INFO L246 CegarLoopResult]: For program point L811-2(lines 811 819) no Hoare annotation was computed. [2019-11-28 17:26:54,170 INFO L246 CegarLoopResult]: For program point L811-3(lines 811 819) no Hoare annotation was computed. [2019-11-28 17:26:54,170 INFO L246 CegarLoopResult]: For program point L679(lines 679 692) no Hoare annotation was computed. [2019-11-28 17:26:54,170 INFO L246 CegarLoopResult]: For program point L811-4(lines 811 819) no Hoare annotation was computed. [2019-11-28 17:26:54,171 INFO L242 CegarLoopResult]: At program point L679-1(lines 1 989) the Hoare annotation is: (let ((.cse11 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse10 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4)) (.cse9 (= 0 ~methaneLevelCritical~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (not .cse9)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse12 (= 0 ULTIMATE.start_activatePump_~tmp~8)) (.cse13 (= ~pumpRunning~0 1)) (.cse4 (not .cse10)) (.cse6 (not (= 0 ~systemActive~0))) (.cse7 (not .cse11)) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1) .cse9 .cse10 (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse11 .cse2 (<= ~waterLevel~0 1) .cse5 .cse6 .cse8) (and .cse0 .cse9 .cse10 .cse2 .cse11 .cse3 .cse12 .cse13 .cse6 .cse8) (and .cse0 .cse9 (= 1 ~waterLevel~0) .cse2 .cse5 .cse6 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse12 .cse13 .cse4 .cse6 .cse7 .cse8)))) [2019-11-28 17:26:54,171 INFO L246 CegarLoopResult]: For program point L811-5(lines 811 819) no Hoare annotation was computed. [2019-11-28 17:26:54,171 INFO L246 CegarLoopResult]: For program point L679-2(lines 679 692) no Hoare annotation was computed. [2019-11-28 17:26:54,171 INFO L242 CegarLoopResult]: At program point L679-3(lines 1 989) the Hoare annotation is: false [2019-11-28 17:26:54,171 INFO L246 CegarLoopResult]: For program point L679-4(lines 679 692) no Hoare annotation was computed. [2019-11-28 17:26:54,171 INFO L242 CegarLoopResult]: At program point L679-5(lines 1 989) the Hoare annotation is: false [2019-11-28 17:26:54,171 INFO L242 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-11-28 17:26:54,171 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:26:54,171 INFO L246 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2019-11-28 17:26:54,172 INFO L242 CegarLoopResult]: At program point L978(lines 963 981) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= 0 ULTIMATE.start_activatePump_~tmp~8) (<= ~waterLevel~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:54,172 INFO L242 CegarLoopResult]: At program point L978-1(lines 963 981) the Hoare annotation is: false [2019-11-28 17:26:54,172 INFO L242 CegarLoopResult]: At program point L978-2(lines 963 981) the Hoare annotation is: false [2019-11-28 17:26:54,172 INFO L246 CegarLoopResult]: For program point L747(lines 747 751) no Hoare annotation was computed. [2019-11-28 17:26:54,172 INFO L242 CegarLoopResult]: At program point L747-2(lines 775 781) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4) (and .cse0 .cse2 .cse1 (= 0 ULTIMATE.start_activatePump_~tmp~8) (= ~pumpRunning~0 1) .cse3 .cse4))) [2019-11-28 17:26:54,172 INFO L242 CegarLoopResult]: At program point L648(lines 639 652) the Hoare annotation is: false [2019-11-28 17:26:54,172 INFO L242 CegarLoopResult]: At program point L648-1(lines 639 652) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 .cse1 (<= ~waterLevel~0 2) .cse2 .cse3 .cse4))) [2019-11-28 17:26:54,173 INFO L242 CegarLoopResult]: At program point L648-2(lines 639 652) the Hoare annotation is: false [2019-11-28 17:26:54,173 INFO L246 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2019-11-28 17:26:54,173 INFO L242 CegarLoopResult]: At program point L648-3(lines 639 652) the Hoare annotation is: false [2019-11-28 17:26:54,173 INFO L246 CegarLoopResult]: For program point L549-1(line 549) no Hoare annotation was computed. [2019-11-28 17:26:54,173 INFO L242 CegarLoopResult]: At program point L648-4(lines 639 652) the Hoare annotation is: false [2019-11-28 17:26:54,173 INFO L242 CegarLoopResult]: At program point L648-5(lines 639 652) the Hoare annotation is: false [2019-11-28 17:26:54,173 INFO L246 CegarLoopResult]: For program point L549-2(line 549) no Hoare annotation was computed. [2019-11-28 17:26:54,173 INFO L242 CegarLoopResult]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse1 (= 0 ULTIMATE.start_activatePump_~tmp~8) (= ~pumpRunning~0 1) .cse4 .cse5) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse3 .cse4 .cse5))) [2019-11-28 17:26:54,173 INFO L242 CegarLoopResult]: At program point L782-1(lines 782 788) the Hoare annotation is: false [2019-11-28 17:26:54,174 INFO L242 CegarLoopResult]: At program point L782-2(lines 782 788) the Hoare annotation is: false [2019-11-28 17:26:54,174 INFO L246 CegarLoopResult]: For program point L683(lines 683 689) no Hoare annotation was computed. [2019-11-28 17:26:54,174 INFO L246 CegarLoopResult]: For program point L683-2(lines 683 689) no Hoare annotation was computed. [2019-11-28 17:26:54,174 INFO L246 CegarLoopResult]: For program point L683-4(lines 683 689) no Hoare annotation was computed. [2019-11-28 17:26:54,174 INFO L246 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-11-28 17:26:54,174 INFO L246 CegarLoopResult]: For program point L56-1(lines 775 781) no Hoare annotation was computed. [2019-11-28 17:26:54,174 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:26:54,174 INFO L246 CegarLoopResult]: For program point L719(lines 719 725) no Hoare annotation was computed. [2019-11-28 17:26:54,174 INFO L242 CegarLoopResult]: At program point L719-1(lines 719 725) the Hoare annotation is: (let ((.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4))) (let ((.cse6 (= 0 ULTIMATE.start_activatePump_~tmp~8)) (.cse7 (= ~pumpRunning~0 1)) (.cse10 (not .cse2)) (.cse12 (not .cse3)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse11 (= ~pumpRunning~0 0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse9 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse4 .cse5 .cse10 .cse11 .cse8 .cse12 .cse9) (and .cse0 (not .cse1) .cse4 .cse5 .cse6 .cse7 .cse10 .cse8 .cse12 .cse9) (and .cse0 .cse1 .cse5 .cse4 .cse11 .cse8 .cse9)))) [2019-11-28 17:26:54,175 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:26:54,175 INFO L246 CegarLoopResult]: For program point L953(lines 953 957) no Hoare annotation was computed. [2019-11-28 17:26:54,175 INFO L246 CegarLoopResult]: For program point L953-2(lines 953 957) no Hoare annotation was computed. [2019-11-28 17:26:54,175 INFO L246 CegarLoopResult]: For program point L953-3(lines 953 957) no Hoare annotation was computed. [2019-11-28 17:26:54,175 INFO L246 CegarLoopResult]: For program point L953-5(lines 953 957) no Hoare annotation was computed. [2019-11-28 17:26:54,175 INFO L246 CegarLoopResult]: For program point L953-6(lines 953 957) no Hoare annotation was computed. [2019-11-28 17:26:54,175 INFO L246 CegarLoopResult]: For program point L953-8(lines 953 957) no Hoare annotation was computed. [2019-11-28 17:26:54,175 INFO L246 CegarLoopResult]: For program point L953-9(lines 953 957) no Hoare annotation was computed. [2019-11-28 17:26:54,175 INFO L246 CegarLoopResult]: For program point L590(lines 590 594) no Hoare annotation was computed. [2019-11-28 17:26:54,175 INFO L246 CegarLoopResult]: For program point L953-11(lines 953 957) no Hoare annotation was computed. [2019-11-28 17:26:54,176 INFO L246 CegarLoopResult]: For program point L953-12(lines 953 957) no Hoare annotation was computed. [2019-11-28 17:26:54,176 INFO L246 CegarLoopResult]: For program point L953-14(lines 953 957) no Hoare annotation was computed. [2019-11-28 17:26:54,176 INFO L246 CegarLoopResult]: For program point L953-15(lines 953 957) no Hoare annotation was computed. [2019-11-28 17:26:54,176 INFO L246 CegarLoopResult]: For program point L953-17(lines 953 957) no Hoare annotation was computed. [2019-11-28 17:26:54,176 INFO L242 CegarLoopResult]: At program point L757(lines 708 758) the Hoare annotation is: false [2019-11-28 17:26:54,176 INFO L242 CegarLoopResult]: At program point L658(lines 653 661) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= 0 ULTIMATE.start_activatePump_~tmp~8) (<= ~waterLevel~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:54,176 INFO L242 CegarLoopResult]: At program point L658-1(lines 653 661) the Hoare annotation is: false [2019-11-28 17:26:54,177 INFO L242 CegarLoopResult]: At program point L658-2(lines 653 661) the Hoare annotation is: false [2019-11-28 17:26:54,177 INFO L246 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-11-28 17:26:54,177 INFO L249 CegarLoopResult]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-11-28 17:26:54,177 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:26:54,177 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2019-11-28 17:26:54,177 INFO L242 CegarLoopResult]: At program point L166(lines 1 989) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-28 17:26:54,177 INFO L242 CegarLoopResult]: At program point L959(lines 944 962) the Hoare annotation is: false [2019-11-28 17:26:54,178 INFO L242 CegarLoopResult]: At program point L959-1(lines 944 962) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9) .cse0 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) .cse1 (<= ~waterLevel~0 2) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 .cse4))) [2019-11-28 17:26:54,178 INFO L242 CegarLoopResult]: At program point L959-2(lines 944 962) the Hoare annotation is: false [2019-11-28 17:26:54,178 INFO L242 CegarLoopResult]: At program point L959-3(lines 944 962) the Hoare annotation is: false [2019-11-28 17:26:54,178 INFO L242 CegarLoopResult]: At program point L959-4(lines 944 962) the Hoare annotation is: false [2019-11-28 17:26:54,178 INFO L242 CegarLoopResult]: At program point L959-5(lines 944 962) the Hoare annotation is: false [2019-11-28 17:26:54,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:26:54 BoogieIcfgContainer [2019-11-28 17:26:54,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:26:54,224 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:26:54,224 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:26:54,224 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:26:54,225 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:19" (3/4) ... [2019-11-28 17:26:54,229 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:26:54,258 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:26:54,260 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:26:54,261 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:26:54,262 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:26:54,264 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:26:54,265 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:26:54,266 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:26:54,301 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-11-28 17:26:54,302 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) [2019-11-28 17:26:54,302 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && !(0 == tmp)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) || ((((((((((\result == 1 && tmp___0 <= 1) && 0 == methaneLevelCritical) && 0 == tmp) && \result <= 1) && 0 == \result) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 1 == tmp) && 0 == \result) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == tmp)) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) [2019-11-28 17:26:54,303 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 0 == \result) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && !(0 == tmp)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == tmp)) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || ((((((\result == 1 && 0 == methaneLevelCritical) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:26:54,303 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:26:54,304 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:26:54,304 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:26:54,304 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && waterLevel <= 2) && 1 == tmp) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:26:54,306 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1 && !(0 == methaneLevelCritical)) && waterLevel <= 2) && 1 == tmp) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) || ((((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) [2019-11-28 17:26:54,307 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 17:26:54,307 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 0 && \result == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:26:54,308 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 0 == \result) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && \result <= 1) && 0 == \result) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:26:54,308 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 17:26:54,309 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 0 && 0 == tmp) && \result == 1) && !(0 == \result)) && 1 == tmp) && waterLevel <= 2) && !(0 == tmp___0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:26:54,310 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 0 == \result) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 17:26:54,311 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(0 == \result) && waterLevel <= 2) && 1 == tmp) && !(tmp == 0)) && \result == 0) && 0 == tmp) && \result == 1) && !(0 == methaneLevelCritical)) && !(0 == tmp___0)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) || ((((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && !(tmp == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && !(tmp == 0)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || ((((((((((((0 == methaneLevelCritical && !(0 == \result)) && waterLevel <= 2) && 0 == \result) && 1 == tmp) && !(tmp == 0)) && \result == 0) && 0 == tmp) && \result == 1) && !(0 == tmp___0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:26:54,312 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1 && 0 == \result) && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && !(tmp == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((((((!(0 == \result) && waterLevel <= 2) && 1 == tmp) && !(tmp == 0)) && \result == 0) && 0 == tmp) && \result == 1) && !(0 == methaneLevelCritical)) && !(0 == tmp___0)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || ((((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && !(tmp == 0)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((((((0 == \result && 0 == methaneLevelCritical) && !(0 == \result)) && waterLevel <= 2) && 1 == tmp) && 0 == \result) && !(tmp == 0)) && \result == 0) && 0 == tmp) && \result == 1) && !(0 == tmp___0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:26:54,427 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:26:54,427 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:26:54,428 INFO L168 Benchmark]: Toolchain (without parser) took 36451.15 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 815.3 MB). Free memory was 956.3 MB in the beginning and 1.8 GB in the end (delta: -795.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:54,429 INFO L168 Benchmark]: CDTParser took 0.79 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 17:26:54,429 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:54,430 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.23 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:54,430 INFO L168 Benchmark]: Boogie Preprocessor took 67.20 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 17:26:54,430 INFO L168 Benchmark]: RCFGBuilder took 1041.39 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: 77.1 MB). Peak memory consumption was 77.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:54,431 INFO L168 Benchmark]: TraceAbstraction took 34310.58 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 673.2 MB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -711.6 MB). Peak memory consumption was 801.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:54,431 INFO L168 Benchmark]: Witness Printer took 203.38 ms. Allocated memory is still 1.8 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:26:54,433 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79 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 735.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.23 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.20 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. * RCFGBuilder took 1041.39 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: 77.1 MB). Peak memory consumption was 77.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 34310.58 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 673.2 MB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -711.6 MB). Peak memory consumption was 801.7 MB. Max. memory is 11.5 GB. * Witness Printer took 203.38 ms. Allocated memory is still 1.8 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 549]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 549]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 549]: 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: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: ((((((((((\result == 1 && !(0 == methaneLevelCritical)) && waterLevel <= 2) && 1 == tmp) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) || ((((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: (((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && waterLevel <= 2) && 1 == tmp) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: ((((((((((((((!(0 == \result) && waterLevel <= 2) && 1 == tmp) && !(tmp == 0)) && \result == 0) && 0 == tmp) && \result == 1) && !(0 == methaneLevelCritical)) && !(0 == tmp___0)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) || ((((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && !(tmp == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && !(tmp == 0)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || ((((((((((((0 == methaneLevelCritical && !(0 == \result)) && waterLevel <= 2) && 0 == \result) && 1 == tmp) && !(tmp == 0)) && \result == 0) && 0 == tmp) && \result == 1) && !(0 == tmp___0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: (((((((((\result == 0 && 0 == tmp) && \result == 1) && !(0 == \result)) && 1 == tmp) && waterLevel <= 2) && !(0 == tmp___0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 0 == \result) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 0 && \result == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: (((((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 0 == \result) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && !(0 == tmp)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == tmp)) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || ((((((\result == 1 && 0 == methaneLevelCritical) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: (((((((((((\result == 1 && 0 == \result) && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && !(tmp == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((((((!(0 == \result) && waterLevel <= 2) && 1 == tmp) && !(tmp == 0)) && \result == 0) && 0 == tmp) && \result == 1) && !(0 == methaneLevelCritical)) && !(0 == tmp___0)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || ((((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && !(tmp == 0)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((((((0 == \result && 0 == methaneLevelCritical) && !(0 == \result)) && waterLevel <= 2) && 1 == tmp) && 0 == \result) && !(tmp == 0)) && \result == 0) && 0 == tmp) && \result == 1) && !(0 == tmp___0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && !(0 == tmp)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) || ((((((((((\result == 1 && tmp___0 <= 1) && 0 == methaneLevelCritical) && 0 == tmp) && \result <= 1) && 0 == \result) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 1 == tmp) && 0 == \result) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == tmp)) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 0 == \result) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && \result <= 1) && 0 == \result) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 3 error locations. Result: SAFE, OverallTime: 4.9s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 29.2s, HoareTripleCheckerStatistics: 1744 SDtfs, 3247 SDslu, 3126 SDs, 0 SdLazy, 458 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=380occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 3079 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 58 PreInvPairs, 446 NumberOfFragments, 1240 HoareAnnotationTreeSize, 58 FomulaSimplifications, 47843647 FormulaSimplificationTreeSizeReduction, 6.1s HoareSimplificationTime, 58 FomulaSimplificationsInter, 9914771 FormulaSimplificationTreeSizeReductionInter, 23.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 557 NumberOfCodeBlocks, 557 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 542 ConstructedInterpolants, 0 QuantifiedInterpolants, 45672 SizeOfPredicates, 4 NumberOfNonLiveVariables, 441 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 54/62 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...