./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product48.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 a22d1d84f43657cc690c98e940f1a10486e8ef5e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:25:15,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:25:15,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:25:15,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:25:15,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:25:15,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:25:15,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:25:15,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:25:15,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:25:15,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:25:15,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:25:15,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:25:15,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:25:15,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:25:15,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:25:15,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:25:15,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:25:15,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:25:15,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:25:15,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:25:15,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:25:15,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:25:15,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:25:15,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:25:15,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:25:15,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:25:15,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:25:15,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:25:15,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:25:15,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:25:15,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:25:15,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:25:15,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:25:15,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:25:15,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:25:15,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:25:15,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:25:15,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:25:15,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:25:15,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:25:15,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:25:15,562 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:25:15,578 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:25:15,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:25:15,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:25:15,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:25:15,580 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:25:15,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:25:15,581 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:25:15,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:25:15,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:25:15,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:25:15,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:25:15,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:25:15,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:25:15,582 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:25:15,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:25:15,582 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:25:15,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:25:15,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:25:15,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:25:15,583 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:25:15,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:25:15,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:25:15,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:25:15,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:25:15,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:25:15,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:25:15,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:25:15,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:25:15,585 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:25:15,585 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 -> a22d1d84f43657cc690c98e940f1a10486e8ef5e [2019-11-28 17:25:15,932 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:25:15,956 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:25:15,960 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:25:15,961 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:25:15,963 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:25:15,964 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2019-11-28 17:25:16,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bfd2b45f/06fea73b99444bed91814a5441a09de6/FLAG7850a2308 [2019-11-28 17:25:16,601 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:25:16,602 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2019-11-28 17:25:16,626 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bfd2b45f/06fea73b99444bed91814a5441a09de6/FLAG7850a2308 [2019-11-28 17:25:16,891 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bfd2b45f/06fea73b99444bed91814a5441a09de6 [2019-11-28 17:25:16,895 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:25:16,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:25:16,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:25:16,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:25:16,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:25:16,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:16" (1/1) ... [2019-11-28 17:25:16,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f7ae881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:16, skipping insertion in model container [2019-11-28 17:25:16,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:16" (1/1) ... [2019-11-28 17:25:16,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:25:16,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:25:17,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:25:17,513 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:25:17,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:25:17,663 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:25:17,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17 WrapperNode [2019-11-28 17:25:17,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:25:17,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:25:17,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:25:17,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:25:17,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17" (1/1) ... [2019-11-28 17:25:17,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17" (1/1) ... [2019-11-28 17:25:17,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:25:17,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:25:17,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:25:17,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:25:17,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17" (1/1) ... [2019-11-28 17:25:17,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17" (1/1) ... [2019-11-28 17:25:17,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17" (1/1) ... [2019-11-28 17:25:17,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17" (1/1) ... [2019-11-28 17:25:17,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17" (1/1) ... [2019-11-28 17:25:17,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17" (1/1) ... [2019-11-28 17:25:17,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17" (1/1) ... [2019-11-28 17:25:17,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:25:17,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:25:17,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:25:17,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:25:17,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:25:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:25:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:25:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:25:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:25:18,968 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:25:18,968 INFO L287 CfgBuilder]: Removed 200 assume(true) statements. [2019-11-28 17:25:18,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:18 BoogieIcfgContainer [2019-11-28 17:25:18,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:25:18,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:25:18,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:25:18,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:25:18,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:25:16" (1/3) ... [2019-11-28 17:25:18,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@111495da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:18, skipping insertion in model container [2019-11-28 17:25:18,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17" (2/3) ... [2019-11-28 17:25:18,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@111495da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:18, skipping insertion in model container [2019-11-28 17:25:18,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:18" (3/3) ... [2019-11-28 17:25:18,979 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product48.cil.c [2019-11-28 17:25:18,990 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:25:18,999 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:25:19,012 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:25:19,044 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:25:19,044 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:25:19,044 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:25:19,045 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:25:19,046 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:25:19,046 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:25:19,047 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:25:19,047 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:25:19,075 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2019-11-28 17:25:19,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 17:25:19,087 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:19,088 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:19,089 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:19,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:19,096 INFO L82 PathProgramCache]: Analyzing trace with hash -330996092, now seen corresponding path program 1 times [2019-11-28 17:25:19,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:19,107 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930725489] [2019-11-28 17:25:19,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:19,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:19,400 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930725489] [2019-11-28 17:25:19,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:19,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:19,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191906560] [2019-11-28 17:25:19,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:25:19,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:19,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:25:19,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:25:19,424 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2019-11-28 17:25:19,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:19,461 INFO L93 Difference]: Finished difference Result 263 states and 396 transitions. [2019-11-28 17:25:19,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:25:19,462 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 17:25:19,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:19,476 INFO L225 Difference]: With dead ends: 263 [2019-11-28 17:25:19,477 INFO L226 Difference]: Without dead ends: 131 [2019-11-28 17:25:19,481 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:25:19,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-11-28 17:25:19,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-11-28 17:25:19,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-11-28 17:25:19,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 190 transitions. [2019-11-28 17:25:19,532 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 190 transitions. Word has length 18 [2019-11-28 17:25:19,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:19,532 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 190 transitions. [2019-11-28 17:25:19,532 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:25:19,533 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2019-11-28 17:25:19,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 17:25:19,534 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:19,534 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:19,535 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:19,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:19,535 INFO L82 PathProgramCache]: Analyzing trace with hash -549832061, now seen corresponding path program 1 times [2019-11-28 17:25:19,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:19,536 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282794713] [2019-11-28 17:25:19,536 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:19,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:19,666 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282794713] [2019-11-28 17:25:19,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:19,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:19,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402956416] [2019-11-28 17:25:19,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:19,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:19,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:19,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:19,671 INFO L87 Difference]: Start difference. First operand 131 states and 190 transitions. Second operand 3 states. [2019-11-28 17:25:19,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:19,688 INFO L93 Difference]: Finished difference Result 131 states and 190 transitions. [2019-11-28 17:25:19,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:19,689 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 17:25:19,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:19,690 INFO L225 Difference]: With dead ends: 131 [2019-11-28 17:25:19,691 INFO L226 Difference]: Without dead ends: 55 [2019-11-28 17:25:19,692 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:19,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-28 17:25:19,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-28 17:25:19,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-28 17:25:19,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-11-28 17:25:19,701 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2019-11-28 17:25:19,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:19,701 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-11-28 17:25:19,701 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:19,702 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-11-28 17:25:19,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:25:19,703 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:19,703 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:19,704 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:19,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:19,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1314651584, now seen corresponding path program 1 times [2019-11-28 17:25:19,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:19,705 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322664020] [2019-11-28 17:25:19,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:19,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:19,841 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322664020] [2019-11-28 17:25:19,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:19,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:19,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875219948] [2019-11-28 17:25:19,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:19,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:19,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:19,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:19,843 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2019-11-28 17:25:19,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:19,903 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2019-11-28 17:25:19,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:19,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 17:25:19,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:19,906 INFO L225 Difference]: With dead ends: 151 [2019-11-28 17:25:19,906 INFO L226 Difference]: Without dead ends: 103 [2019-11-28 17:25:19,907 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:19,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-11-28 17:25:19,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2019-11-28 17:25:19,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-11-28 17:25:19,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 146 transitions. [2019-11-28 17:25:19,923 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 146 transitions. Word has length 24 [2019-11-28 17:25:19,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:19,924 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 146 transitions. [2019-11-28 17:25:19,924 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:19,924 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 146 transitions. [2019-11-28 17:25:19,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 17:25:19,926 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:19,926 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:19,926 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:19,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:19,927 INFO L82 PathProgramCache]: Analyzing trace with hash 399769442, now seen corresponding path program 1 times [2019-11-28 17:25:19,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:19,928 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400060262] [2019-11-28 17:25:19,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:19,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:19,992 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400060262] [2019-11-28 17:25:19,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:19,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:19,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321678356] [2019-11-28 17:25:19,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:19,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:19,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:19,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:19,994 INFO L87 Difference]: Start difference. First operand 99 states and 146 transitions. Second operand 3 states. [2019-11-28 17:25:20,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:20,076 INFO L93 Difference]: Finished difference Result 234 states and 351 transitions. [2019-11-28 17:25:20,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:20,077 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 17:25:20,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:20,079 INFO L225 Difference]: With dead ends: 234 [2019-11-28 17:25:20,079 INFO L226 Difference]: Without dead ends: 142 [2019-11-28 17:25:20,084 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:20,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-11-28 17:25:20,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2019-11-28 17:25:20,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-28 17:25:20,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 204 transitions. [2019-11-28 17:25:20,120 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 204 transitions. Word has length 26 [2019-11-28 17:25:20,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:20,120 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 204 transitions. [2019-11-28 17:25:20,120 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:20,121 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 204 transitions. [2019-11-28 17:25:20,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 17:25:20,122 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:20,124 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:20,125 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:20,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:20,125 INFO L82 PathProgramCache]: Analyzing trace with hash -521625591, now seen corresponding path program 1 times [2019-11-28 17:25:20,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:20,126 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734763855] [2019-11-28 17:25:20,126 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:20,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:20,207 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734763855] [2019-11-28 17:25:20,207 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:20,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:20,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953047359] [2019-11-28 17:25:20,208 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:20,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:20,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:20,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:20,209 INFO L87 Difference]: Start difference. First operand 140 states and 204 transitions. Second operand 5 states. [2019-11-28 17:25:20,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:20,405 INFO L93 Difference]: Finished difference Result 685 states and 1010 transitions. [2019-11-28 17:25:20,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:25:20,406 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-11-28 17:25:20,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:20,410 INFO L225 Difference]: With dead ends: 685 [2019-11-28 17:25:20,410 INFO L226 Difference]: Without dead ends: 552 [2019-11-28 17:25:20,411 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:25:20,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2019-11-28 17:25:20,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 259. [2019-11-28 17:25:20,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2019-11-28 17:25:20,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 372 transitions. [2019-11-28 17:25:20,447 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 372 transitions. Word has length 27 [2019-11-28 17:25:20,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:20,448 INFO L462 AbstractCegarLoop]: Abstraction has 259 states and 372 transitions. [2019-11-28 17:25:20,448 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:20,448 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 372 transitions. [2019-11-28 17:25:20,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 17:25:20,449 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:20,450 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:20,450 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:20,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:20,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1955770751, now seen corresponding path program 1 times [2019-11-28 17:25:20,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:20,451 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853229944] [2019-11-28 17:25:20,451 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:20,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:20,588 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853229944] [2019-11-28 17:25:20,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:20,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:20,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589223414] [2019-11-28 17:25:20,591 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:20,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:20,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:20,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:20,593 INFO L87 Difference]: Start difference. First operand 259 states and 372 transitions. Second operand 5 states. [2019-11-28 17:25:20,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:20,789 INFO L93 Difference]: Finished difference Result 997 states and 1435 transitions. [2019-11-28 17:25:20,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:25:20,790 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-11-28 17:25:20,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:20,795 INFO L225 Difference]: With dead ends: 997 [2019-11-28 17:25:20,795 INFO L226 Difference]: Without dead ends: 745 [2019-11-28 17:25:20,797 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:25:20,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2019-11-28 17:25:20,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 257. [2019-11-28 17:25:20,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2019-11-28 17:25:20,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 366 transitions. [2019-11-28 17:25:20,830 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 366 transitions. Word has length 28 [2019-11-28 17:25:20,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:20,830 INFO L462 AbstractCegarLoop]: Abstraction has 257 states and 366 transitions. [2019-11-28 17:25:20,831 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:20,831 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 366 transitions. [2019-11-28 17:25:20,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 17:25:20,833 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:20,834 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:20,834 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:20,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:20,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1721615084, now seen corresponding path program 1 times [2019-11-28 17:25:20,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:20,836 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763062456] [2019-11-28 17:25:20,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:20,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:20,924 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763062456] [2019-11-28 17:25:20,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:20,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:20,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142449524] [2019-11-28 17:25:20,926 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:20,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:20,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:20,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:20,927 INFO L87 Difference]: Start difference. First operand 257 states and 366 transitions. Second operand 5 states. [2019-11-28 17:25:21,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:21,034 INFO L93 Difference]: Finished difference Result 687 states and 965 transitions. [2019-11-28 17:25:21,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:25:21,035 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-28 17:25:21,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:21,038 INFO L225 Difference]: With dead ends: 687 [2019-11-28 17:25:21,039 INFO L226 Difference]: Without dead ends: 437 [2019-11-28 17:25:21,040 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:25:21,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2019-11-28 17:25:21,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 281. [2019-11-28 17:25:21,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2019-11-28 17:25:21,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 390 transitions. [2019-11-28 17:25:21,069 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 390 transitions. Word has length 36 [2019-11-28 17:25:21,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:21,070 INFO L462 AbstractCegarLoop]: Abstraction has 281 states and 390 transitions. [2019-11-28 17:25:21,071 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:21,071 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 390 transitions. [2019-11-28 17:25:21,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 17:25:21,073 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:21,073 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:21,074 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:21,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:21,074 INFO L82 PathProgramCache]: Analyzing trace with hash 710497834, now seen corresponding path program 1 times [2019-11-28 17:25:21,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:21,075 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782600166] [2019-11-28 17:25:21,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:21,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:21,145 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782600166] [2019-11-28 17:25:21,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:21,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:21,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720706052] [2019-11-28 17:25:21,147 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:21,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:21,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:21,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:21,148 INFO L87 Difference]: Start difference. First operand 281 states and 390 transitions. Second operand 5 states. [2019-11-28 17:25:21,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:21,357 INFO L93 Difference]: Finished difference Result 771 states and 1050 transitions. [2019-11-28 17:25:21,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:25:21,358 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-28 17:25:21,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:21,362 INFO L225 Difference]: With dead ends: 771 [2019-11-28 17:25:21,362 INFO L226 Difference]: Without dead ends: 497 [2019-11-28 17:25:21,363 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:25:21,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2019-11-28 17:25:21,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 297. [2019-11-28 17:25:21,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2019-11-28 17:25:21,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 406 transitions. [2019-11-28 17:25:21,424 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 406 transitions. Word has length 36 [2019-11-28 17:25:21,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:21,424 INFO L462 AbstractCegarLoop]: Abstraction has 297 states and 406 transitions. [2019-11-28 17:25:21,425 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:21,425 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 406 transitions. [2019-11-28 17:25:21,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 17:25:21,427 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:21,428 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:21,428 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:21,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:21,428 INFO L82 PathProgramCache]: Analyzing trace with hash -310570520, now seen corresponding path program 1 times [2019-11-28 17:25:21,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:21,429 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302661356] [2019-11-28 17:25:21,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:21,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:21,504 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302661356] [2019-11-28 17:25:21,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:21,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:21,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677033973] [2019-11-28 17:25:21,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:21,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:21,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:21,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:21,507 INFO L87 Difference]: Start difference. First operand 297 states and 406 transitions. Second operand 3 states. [2019-11-28 17:25:21,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:21,568 INFO L93 Difference]: Finished difference Result 691 states and 939 transitions. [2019-11-28 17:25:21,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:21,569 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-11-28 17:25:21,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:21,571 INFO L225 Difference]: With dead ends: 691 [2019-11-28 17:25:21,572 INFO L226 Difference]: Without dead ends: 401 [2019-11-28 17:25:21,573 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:21,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2019-11-28 17:25:21,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2019-11-28 17:25:21,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2019-11-28 17:25:21,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 532 transitions. [2019-11-28 17:25:21,606 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 532 transitions. Word has length 36 [2019-11-28 17:25:21,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:21,607 INFO L462 AbstractCegarLoop]: Abstraction has 401 states and 532 transitions. [2019-11-28 17:25:21,607 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:21,607 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 532 transitions. [2019-11-28 17:25:21,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 17:25:21,609 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:21,610 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:21,610 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:21,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:21,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1785049304, now seen corresponding path program 1 times [2019-11-28 17:25:21,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:21,611 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764531902] [2019-11-28 17:25:21,611 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:21,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:21,689 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764531902] [2019-11-28 17:25:21,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:21,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 17:25:21,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141213084] [2019-11-28 17:25:21,690 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:25:21,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:21,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:25:21,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:25:21,691 INFO L87 Difference]: Start difference. First operand 401 states and 532 transitions. Second operand 6 states. [2019-11-28 17:25:22,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:22,021 INFO L93 Difference]: Finished difference Result 1452 states and 1939 transitions. [2019-11-28 17:25:22,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 17:25:22,021 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-11-28 17:25:22,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:22,029 INFO L225 Difference]: With dead ends: 1452 [2019-11-28 17:25:22,031 INFO L226 Difference]: Without dead ends: 1058 [2019-11-28 17:25:22,033 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2019-11-28 17:25:22,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2019-11-28 17:25:22,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 401. [2019-11-28 17:25:22,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2019-11-28 17:25:22,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 522 transitions. [2019-11-28 17:25:22,078 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 522 transitions. Word has length 37 [2019-11-28 17:25:22,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:22,078 INFO L462 AbstractCegarLoop]: Abstraction has 401 states and 522 transitions. [2019-11-28 17:25:22,079 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:25:22,079 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 522 transitions. [2019-11-28 17:25:22,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-28 17:25:22,081 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:22,081 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:22,082 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:22,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:22,082 INFO L82 PathProgramCache]: Analyzing trace with hash -2139873590, now seen corresponding path program 1 times [2019-11-28 17:25:22,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:22,083 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511666793] [2019-11-28 17:25:22,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:22,124 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-28 17:25:22,125 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511666793] [2019-11-28 17:25:22,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:22,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:22,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227160146] [2019-11-28 17:25:22,126 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:22,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:22,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:22,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:22,128 INFO L87 Difference]: Start difference. First operand 401 states and 522 transitions. Second operand 3 states. [2019-11-28 17:25:22,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:22,199 INFO L93 Difference]: Finished difference Result 680 states and 883 transitions. [2019-11-28 17:25:22,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:22,200 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-11-28 17:25:22,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:22,201 INFO L225 Difference]: With dead ends: 680 [2019-11-28 17:25:22,202 INFO L226 Difference]: Without dead ends: 286 [2019-11-28 17:25:22,203 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:22,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-11-28 17:25:22,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 278. [2019-11-28 17:25:22,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-11-28 17:25:22,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 356 transitions. [2019-11-28 17:25:22,232 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 356 transitions. Word has length 55 [2019-11-28 17:25:22,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:22,233 INFO L462 AbstractCegarLoop]: Abstraction has 278 states and 356 transitions. [2019-11-28 17:25:22,233 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:22,233 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 356 transitions. [2019-11-28 17:25:22,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-28 17:25:22,235 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:22,235 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:22,235 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:22,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:22,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1298914206, now seen corresponding path program 1 times [2019-11-28 17:25:22,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:22,238 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683908694] [2019-11-28 17:25:22,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:22,339 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-28 17:25:22,339 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683908694] [2019-11-28 17:25:22,339 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794319681] [2019-11-28 17:25:22,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:22,498 INFO L264 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 17:25:22,514 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:25:22,538 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:22,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 17:25:22,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-11-28 17:25:22,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700493594] [2019-11-28 17:25:22,541 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:22,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:22,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:22,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:25:22,543 INFO L87 Difference]: Start difference. First operand 278 states and 356 transitions. Second operand 3 states. [2019-11-28 17:25:22,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:22,606 INFO L93 Difference]: Finished difference Result 405 states and 520 transitions. [2019-11-28 17:25:22,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:22,607 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-11-28 17:25:22,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:22,610 INFO L225 Difference]: With dead ends: 405 [2019-11-28 17:25:22,610 INFO L226 Difference]: Without dead ends: 403 [2019-11-28 17:25:22,612 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:25:22,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-11-28 17:25:22,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 302. [2019-11-28 17:25:22,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2019-11-28 17:25:22,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 392 transitions. [2019-11-28 17:25:22,645 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 392 transitions. Word has length 56 [2019-11-28 17:25:22,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:22,646 INFO L462 AbstractCegarLoop]: Abstraction has 302 states and 392 transitions. [2019-11-28 17:25:22,646 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:22,647 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 392 transitions. [2019-11-28 17:25:22,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-28 17:25:22,648 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:22,648 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:22,853 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:22,853 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:22,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:22,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1342172226, now seen corresponding path program 1 times [2019-11-28 17:25:22,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:22,854 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553507182] [2019-11-28 17:25:22,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:22,937 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-28 17:25:22,938 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553507182] [2019-11-28 17:25:22,938 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350906498] [2019-11-28 17:25:22,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:23,078 INFO L264 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 17:25:23,082 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:25:23,159 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-28 17:25:23,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 17:25:23,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2019-11-28 17:25:23,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099370903] [2019-11-28 17:25:23,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:25:23,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:23,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:25:23,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-11-28 17:25:23,163 INFO L87 Difference]: Start difference. First operand 302 states and 392 transitions. Second operand 6 states. [2019-11-28 17:25:23,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:23,509 INFO L93 Difference]: Finished difference Result 785 states and 1013 transitions. [2019-11-28 17:25:23,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 17:25:23,509 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-11-28 17:25:23,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:23,510 INFO L225 Difference]: With dead ends: 785 [2019-11-28 17:25:23,510 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:25:23,512 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2019-11-28 17:25:23,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:25:23,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:25:23,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:25:23,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:25:23,513 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2019-11-28 17:25:23,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:23,514 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:25:23,514 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:25:23,514 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:25:23,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:25:23,719 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:23,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:25:24,031 WARN L192 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 88 [2019-11-28 17:25:24,173 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 96 [2019-11-28 17:25:24,923 WARN L192 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 149 [2019-11-28 17:25:25,379 WARN L192 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 159 [2019-11-28 17:25:25,921 WARN L192 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 157 [2019-11-28 17:25:26,296 WARN L192 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 141 [2019-11-28 17:25:26,476 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 100 [2019-11-28 17:25:26,763 WARN L192 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 109 [2019-11-28 17:25:27,279 WARN L192 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 15 [2019-11-28 17:25:27,723 WARN L192 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 29 [2019-11-28 17:25:28,986 WARN L192 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-11-28 17:25:29,753 WARN L192 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2019-11-28 17:25:30,607 WARN L192 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-11-28 17:25:31,130 WARN L192 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 22 [2019-11-28 17:25:31,511 WARN L192 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 15 [2019-11-28 17:25:31,689 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 21 [2019-11-28 17:25:32,323 WARN L192 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 13 [2019-11-28 17:25:32,788 WARN L192 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 29 [2019-11-28 17:25:33,237 WARN L192 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 24 [2019-11-28 17:25:33,309 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 885) no Hoare annotation was computed. [2019-11-28 17:25:33,309 INFO L246 CegarLoopResult]: For program point L498(lines 498 504) no Hoare annotation was computed. [2019-11-28 17:25:33,309 INFO L246 CegarLoopResult]: For program point L498-2(lines 498 504) no Hoare annotation was computed. [2019-11-28 17:25:33,310 INFO L246 CegarLoopResult]: For program point L498-4(lines 498 504) no Hoare annotation was computed. [2019-11-28 17:25:33,310 INFO L246 CegarLoopResult]: For program point L300(lines 300 308) no Hoare annotation was computed. [2019-11-28 17:25:33,310 INFO L246 CegarLoopResult]: For program point L300-1(lines 300 308) no Hoare annotation was computed. [2019-11-28 17:25:33,310 INFO L246 CegarLoopResult]: For program point L300-2(lines 300 308) no Hoare annotation was computed. [2019-11-28 17:25:33,310 INFO L246 CegarLoopResult]: For program point L300-3(lines 300 308) no Hoare annotation was computed. [2019-11-28 17:25:33,310 INFO L246 CegarLoopResult]: For program point L300-4(lines 300 308) no Hoare annotation was computed. [2019-11-28 17:25:33,310 INFO L242 CegarLoopResult]: At program point L135(lines 126 139) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:25:33,310 INFO L246 CegarLoopResult]: For program point L300-5(lines 300 308) no Hoare annotation was computed. [2019-11-28 17:25:33,312 INFO L242 CegarLoopResult]: At program point L135-1(lines 126 139) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:25:33,312 INFO L242 CegarLoopResult]: At program point L135-2(lines 126 139) the Hoare annotation is: false [2019-11-28 17:25:33,313 INFO L242 CegarLoopResult]: At program point L135-3(lines 126 139) the Hoare annotation is: false [2019-11-28 17:25:33,313 INFO L242 CegarLoopResult]: At program point L135-4(lines 126 139) the Hoare annotation is: false [2019-11-28 17:25:33,313 INFO L242 CegarLoopResult]: At program point L135-5(lines 126 139) the Hoare annotation is: false [2019-11-28 17:25:33,313 INFO L246 CegarLoopResult]: For program point L203(lines 203 209) no Hoare annotation was computed. [2019-11-28 17:25:33,313 INFO L242 CegarLoopResult]: At program point L203-1(lines 203 209) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0)) (.cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse8 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse9 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~5 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse2 .cse4) (and .cse7 .cse8 .cse9 .cse1 .cse2 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse6 .cse7 .cse8 .cse9 .cse2 .cse4))) [2019-11-28 17:25:33,313 INFO L242 CegarLoopResult]: At program point L271(lines 271 277) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse5) (and .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3) (and .cse0 .cse2 .cse3 .cse4))) [2019-11-28 17:25:33,313 INFO L242 CegarLoopResult]: At program point L271-1(lines 271 277) the Hoare annotation is: false [2019-11-28 17:25:33,313 INFO L242 CegarLoopResult]: At program point L271-2(lines 271 277) the Hoare annotation is: false [2019-11-28 17:25:33,314 INFO L242 CegarLoopResult]: At program point L174(lines 169 177) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:33,314 INFO L242 CegarLoopResult]: At program point L901-2(lines 901 915) the Hoare annotation is: false [2019-11-28 17:25:33,314 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 885) no Hoare annotation was computed. [2019-11-28 17:25:33,314 INFO L246 CegarLoopResult]: For program point L902(line 902) no Hoare annotation was computed. [2019-11-28 17:25:33,314 INFO L246 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-11-28 17:25:33,314 INFO L246 CegarLoopResult]: For program point L441(lines 441 445) no Hoare annotation was computed. [2019-11-28 17:25:33,314 INFO L246 CegarLoopResult]: For program point L441-2(lines 441 445) no Hoare annotation was computed. [2019-11-28 17:25:33,314 INFO L246 CegarLoopResult]: For program point L441-3(lines 441 445) no Hoare annotation was computed. [2019-11-28 17:25:33,314 INFO L246 CegarLoopResult]: For program point L441-5(lines 441 445) no Hoare annotation was computed. [2019-11-28 17:25:33,315 INFO L242 CegarLoopResult]: At program point L243(lines 192 244) the Hoare annotation is: false [2019-11-28 17:25:33,323 INFO L246 CegarLoopResult]: For program point L441-6(lines 441 445) no Hoare annotation was computed. [2019-11-28 17:25:33,323 INFO L246 CegarLoopResult]: For program point L441-8(lines 441 445) no Hoare annotation was computed. [2019-11-28 17:25:33,323 INFO L246 CegarLoopResult]: For program point L441-9(lines 441 445) no Hoare annotation was computed. [2019-11-28 17:25:33,323 INFO L246 CegarLoopResult]: For program point L441-11(lines 441 445) no Hoare annotation was computed. [2019-11-28 17:25:33,323 INFO L246 CegarLoopResult]: For program point L441-12(lines 441 445) no Hoare annotation was computed. [2019-11-28 17:25:33,323 INFO L246 CegarLoopResult]: For program point L441-14(lines 441 445) no Hoare annotation was computed. [2019-11-28 17:25:33,323 INFO L246 CegarLoopResult]: For program point L441-15(lines 441 445) no Hoare annotation was computed. [2019-11-28 17:25:33,324 INFO L246 CegarLoopResult]: For program point L441-17(lines 441 445) no Hoare annotation was computed. [2019-11-28 17:25:33,324 INFO L246 CegarLoopResult]: For program point L905(lines 905 909) no Hoare annotation was computed. [2019-11-28 17:25:33,324 INFO L246 CegarLoopResult]: For program point L905-1(lines 264 270) no Hoare annotation was computed. [2019-11-28 17:25:33,324 INFO L246 CegarLoopResult]: For program point L213(lines 213 219) no Hoare annotation was computed. [2019-11-28 17:25:33,324 INFO L242 CegarLoopResult]: At program point L213-1(lines 213 219) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse4 (= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse4 .cse5) (and .cse1 .cse3 .cse2 .cse5 .cse6))) [2019-11-28 17:25:33,324 INFO L246 CegarLoopResult]: For program point L973(lines 973 980) no Hoare annotation was computed. [2019-11-28 17:25:33,324 INFO L249 CegarLoopResult]: At program point L973-1(lines 973 980) the Hoare annotation is: true [2019-11-28 17:25:33,325 INFO L242 CegarLoopResult]: At program point L447(lines 432 450) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:25:33,325 INFO L242 CegarLoopResult]: At program point L447-1(lines 432 450) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:25:33,325 INFO L242 CegarLoopResult]: At program point L447-2(lines 432 450) the Hoare annotation is: false [2019-11-28 17:25:33,325 INFO L242 CegarLoopResult]: At program point L447-3(lines 432 450) the Hoare annotation is: false [2019-11-28 17:25:33,325 INFO L242 CegarLoopResult]: At program point L447-4(lines 432 450) the Hoare annotation is: false [2019-11-28 17:25:33,325 INFO L242 CegarLoopResult]: At program point L447-5(lines 432 450) the Hoare annotation is: false [2019-11-28 17:25:33,325 INFO L242 CegarLoopResult]: At program point L482(lines 477 484) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:33,326 INFO L242 CegarLoopResult]: At program point L383(lines 376 386) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-11-28 17:25:33,326 INFO L242 CegarLoopResult]: At program point L383-1(lines 376 386) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:25:33,326 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:25:33,326 INFO L242 CegarLoopResult]: At program point L383-2(lines 376 386) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:25:33,326 INFO L242 CegarLoopResult]: At program point L383-3(lines 376 386) the Hoare annotation is: false [2019-11-28 17:25:33,326 INFO L242 CegarLoopResult]: At program point L383-4(lines 376 386) the Hoare annotation is: false [2019-11-28 17:25:33,326 INFO L242 CegarLoopResult]: At program point L383-5(lines 376 386) the Hoare annotation is: false [2019-11-28 17:25:33,326 INFO L242 CegarLoopResult]: At program point L383-6(lines 376 386) the Hoare annotation is: false [2019-11-28 17:25:33,327 INFO L242 CegarLoopResult]: At program point L383-7(lines 376 386) the Hoare annotation is: false [2019-11-28 17:25:33,327 INFO L242 CegarLoopResult]: At program point L383-8(lines 376 386) the Hoare annotation is: false [2019-11-28 17:25:33,327 INFO L246 CegarLoopResult]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-11-28 17:25:33,327 INFO L246 CegarLoopResult]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-11-28 17:25:33,327 INFO L246 CegarLoopResult]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-11-28 17:25:33,327 INFO L242 CegarLoopResult]: At program point L90(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-11-28 17:25:33,327 INFO L242 CegarLoopResult]: At program point L90-1(lines 85 93) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:25:33,328 INFO L242 CegarLoopResult]: At program point L90-2(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:25:33,328 INFO L242 CegarLoopResult]: At program point L90-3(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 0 ~systemActive~0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3) (and .cse6 .cse2 .cse3 .cse7 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse7))) [2019-11-28 17:25:33,328 INFO L242 CegarLoopResult]: At program point L90-4(lines 85 93) the Hoare annotation is: false [2019-11-28 17:25:33,328 INFO L249 CegarLoopResult]: At program point L982(lines 963 985) the Hoare annotation is: true [2019-11-28 17:25:33,328 INFO L242 CegarLoopResult]: At program point L949(lines 945 951) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:33,328 INFO L242 CegarLoopResult]: At program point L90-5(lines 85 93) the Hoare annotation is: false [2019-11-28 17:25:33,328 INFO L242 CegarLoopResult]: At program point L90-6(lines 85 93) the Hoare annotation is: false [2019-11-28 17:25:33,328 INFO L242 CegarLoopResult]: At program point L90-7(lines 85 93) the Hoare annotation is: false [2019-11-28 17:25:33,329 INFO L242 CegarLoopResult]: At program point L90-8(lines 85 93) the Hoare annotation is: false [2019-11-28 17:25:33,329 INFO L242 CegarLoopResult]: At program point L90-9(lines 85 93) the Hoare annotation is: false [2019-11-28 17:25:33,329 INFO L242 CegarLoopResult]: At program point L90-10(lines 85 93) the Hoare annotation is: false [2019-11-28 17:25:33,329 INFO L242 CegarLoopResult]: At program point L90-11(lines 85 93) the Hoare annotation is: false [2019-11-28 17:25:33,329 INFO L246 CegarLoopResult]: For program point L322(lines 322 339) no Hoare annotation was computed. [2019-11-28 17:25:33,329 INFO L246 CegarLoopResult]: For program point L322-1(lines 322 339) no Hoare annotation was computed. [2019-11-28 17:25:33,329 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:25:33,329 INFO L246 CegarLoopResult]: For program point L322-2(lines 322 339) no Hoare annotation was computed. [2019-11-28 17:25:33,329 INFO L246 CegarLoopResult]: For program point L223(lines 223 238) no Hoare annotation was computed. [2019-11-28 17:25:33,330 INFO L246 CegarLoopResult]: For program point L455(lines 455 461) no Hoare annotation was computed. [2019-11-28 17:25:33,330 INFO L242 CegarLoopResult]: At program point L455-1(lines 455 461) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:25:33,330 INFO L246 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2019-11-28 17:25:33,330 INFO L246 CegarLoopResult]: For program point L885-1(line 885) no Hoare annotation was computed. [2019-11-28 17:25:33,330 INFO L246 CegarLoopResult]: For program point L885-2(line 885) no Hoare annotation was computed. [2019-11-28 17:25:33,330 INFO L246 CegarLoopResult]: For program point L358(lines 358 364) no Hoare annotation was computed. [2019-11-28 17:25:33,330 INFO L246 CegarLoopResult]: For program point L358-2(lines 358 364) no Hoare annotation was computed. [2019-11-28 17:25:33,330 INFO L246 CegarLoopResult]: For program point L358-4(lines 358 364) no Hoare annotation was computed. [2019-11-28 17:25:33,331 INFO L246 CegarLoopResult]: For program point L358-6(lines 358 364) no Hoare annotation was computed. [2019-11-28 17:25:33,331 INFO L246 CegarLoopResult]: For program point L358-8(lines 358 364) no Hoare annotation was computed. [2019-11-28 17:25:33,331 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:25:33,331 INFO L246 CegarLoopResult]: For program point L358-10(lines 358 364) no Hoare annotation was computed. [2019-11-28 17:25:33,331 INFO L242 CegarLoopResult]: At program point L392(lines 387 395) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 0 ~systemActive~0)) (and (= 1 ~systemActive~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2019-11-28 17:25:33,331 INFO L242 CegarLoopResult]: At program point L392-1(lines 387 395) the Hoare annotation is: false [2019-11-28 17:25:33,332 INFO L246 CegarLoopResult]: For program point L326(lines 326 334) no Hoare annotation was computed. [2019-11-28 17:25:33,332 INFO L242 CegarLoopResult]: At program point L392-2(lines 387 395) the Hoare annotation is: false [2019-11-28 17:25:33,332 INFO L246 CegarLoopResult]: For program point L326-1(lines 326 334) no Hoare annotation was computed. [2019-11-28 17:25:33,332 INFO L246 CegarLoopResult]: For program point L326-2(lines 326 334) no Hoare annotation was computed. [2019-11-28 17:25:33,332 INFO L246 CegarLoopResult]: For program point L194(lines 193 242) no Hoare annotation was computed. [2019-11-28 17:25:33,333 INFO L246 CegarLoopResult]: For program point L195(lines 195 199) no Hoare annotation was computed. [2019-11-28 17:25:33,333 INFO L246 CegarLoopResult]: For program point L493(lines 493 510) no Hoare annotation was computed. [2019-11-28 17:25:33,333 INFO L242 CegarLoopResult]: At program point L493-1(lines 1 985) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0)) (.cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse8 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse9 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~5 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse2 .cse4) (and .cse7 .cse8 .cse9 .cse1 .cse2 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse6 .cse7 .cse8 .cse9 .cse2 .cse4))) [2019-11-28 17:25:33,333 INFO L246 CegarLoopResult]: For program point L493-2(lines 493 510) no Hoare annotation was computed. [2019-11-28 17:25:33,333 INFO L242 CegarLoopResult]: At program point L493-3(lines 1 985) the Hoare annotation is: false [2019-11-28 17:25:33,333 INFO L246 CegarLoopResult]: For program point L493-4(lines 493 510) no Hoare annotation was computed. [2019-11-28 17:25:33,333 INFO L242 CegarLoopResult]: At program point L493-5(lines 1 985) the Hoare annotation is: false [2019-11-28 17:25:33,334 INFO L246 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-11-28 17:25:33,334 INFO L246 CegarLoopResult]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2019-11-28 17:25:33,334 INFO L246 CegarLoopResult]: For program point L130-2(lines 130 136) no Hoare annotation was computed. [2019-11-28 17:25:33,334 INFO L246 CegarLoopResult]: For program point L130-3(lines 130 136) no Hoare annotation was computed. [2019-11-28 17:25:33,334 INFO L246 CegarLoopResult]: For program point L130-4(lines 130 136) no Hoare annotation was computed. [2019-11-28 17:25:33,334 INFO L246 CegarLoopResult]: For program point L130-5(lines 130 136) no Hoare annotation was computed. [2019-11-28 17:25:33,334 INFO L246 CegarLoopResult]: For program point L296(lines 296 313) no Hoare annotation was computed. [2019-11-28 17:25:33,334 INFO L246 CegarLoopResult]: For program point L296-1(lines 296 313) no Hoare annotation was computed. [2019-11-28 17:25:33,334 INFO L246 CegarLoopResult]: For program point L296-2(lines 296 313) no Hoare annotation was computed. [2019-11-28 17:25:33,334 INFO L246 CegarLoopResult]: For program point L296-3(lines 296 313) no Hoare annotation was computed. [2019-11-28 17:25:33,335 INFO L246 CegarLoopResult]: For program point L296-4(lines 296 313) no Hoare annotation was computed. [2019-11-28 17:25:33,335 INFO L246 CegarLoopResult]: For program point L296-5(lines 296 313) no Hoare annotation was computed. [2019-11-28 17:25:33,335 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-11-28 17:25:33,335 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:25:33,335 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 885) no Hoare annotation was computed. [2019-11-28 17:25:33,335 INFO L242 CegarLoopResult]: At program point L264(lines 263 282) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~systemActive~0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse4 .cse2 .cse3 .cse5) (and .cse1 .cse4 .cse2 .cse5) (and .cse0 .cse4 .cse2 .cse3))) [2019-11-28 17:25:33,335 INFO L246 CegarLoopResult]: For program point L231(lines 231 237) no Hoare annotation was computed. [2019-11-28 17:25:33,336 INFO L246 CegarLoopResult]: For program point L264-1(lines 264 270) no Hoare annotation was computed. [2019-11-28 17:25:33,336 INFO L242 CegarLoopResult]: At program point L231-1(lines 264 270) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse4 .cse2 .cse3 .cse5) (and .cse1 .cse4 .cse2 .cse5))) [2019-11-28 17:25:33,336 INFO L242 CegarLoopResult]: At program point L264-2(lines 263 282) the Hoare annotation is: false [2019-11-28 17:25:33,336 INFO L242 CegarLoopResult]: At program point L264-3(lines 263 282) the Hoare annotation is: false [2019-11-28 17:25:33,336 INFO L242 CegarLoopResult]: At program point L166(lines 1 985) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:33,336 INFO L246 CegarLoopResult]: For program point L497(lines 497 507) no Hoare annotation was computed. [2019-11-28 17:25:33,336 INFO L246 CegarLoopResult]: For program point L497-2(lines 497 507) no Hoare annotation was computed. [2019-11-28 17:25:33,336 INFO L246 CegarLoopResult]: For program point L497-4(lines 497 507) no Hoare annotation was computed. [2019-11-28 17:25:33,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:25:33 BoogieIcfgContainer [2019-11-28 17:25:33,389 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:25:33,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:25:33,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:25:33,390 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:25:33,391 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:18" (3/4) ... [2019-11-28 17:25:33,394 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:25:33,415 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:25:33,416 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:25:33,418 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:25:33,419 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:25:33,420 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:25:33,421 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:25:33,422 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:25:33,458 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((0 == methaneLevelCritical && 0 == \result) && tmp == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 17:25:33,459 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((0 == methaneLevelCritical && 0 == \result) && tmp == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 17:25:33,461 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || (((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:25:33,464 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == methaneLevelCritical && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || ((((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:25:33,464 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-11-28 17:25:33,469 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 == \result) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-11-28 17:25:33,472 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((((1 == systemActive && \result == 0) && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:25:33,477 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:25:33,478 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:25:33,478 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:25:33,478 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:25:33,479 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:25:33,479 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:25:33,582 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:25:33,583 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:25:33,584 INFO L168 Benchmark]: Toolchain (without parser) took 16687.97 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 414.2 MB). Free memory was 952.3 MB in the beginning and 1.2 GB in the end (delta: -249.4 MB). Peak memory consumption was 164.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:33,585 INFO L168 Benchmark]: CDTParser took 0.94 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:25:33,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:33,585 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.43 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:33,586 INFO L168 Benchmark]: Boogie Preprocessor took 54.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:25:33,586 INFO L168 Benchmark]: RCFGBuilder took 1167.11 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: 71.3 MB). Peak memory consumption was 71.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:33,587 INFO L168 Benchmark]: TraceAbstraction took 14417.82 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 263.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -165.5 MB). Peak memory consumption was 488.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:33,587 INFO L168 Benchmark]: Witness Printer took 193.02 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:33,589 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 766.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.43 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.05 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 1167.11 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: 71.3 MB). Peak memory consumption was 71.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14417.82 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 263.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -165.5 MB). Peak memory consumption was 488.0 MB. Max. memory is 11.5 GB. * Witness Printer took 193.02 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 885]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 885]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 885]: 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: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((0 == methaneLevelCritical && 0 == \result) && tmp == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 == \result) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || (((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || (((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || (((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || ((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (((((\result == 0 && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((((1 == systemActive && \result == 0) && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) || ((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((((((((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((0 == methaneLevelCritical && 0 == \result) && tmp == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || ((((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Result: SAFE, OverallTime: 4.6s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.5s, HoareTripleCheckerStatistics: 1512 SDtfs, 2000 SDslu, 2679 SDs, 0 SdLazy, 380 SolverSat, 81 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 235 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=401occurred 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: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1909 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 315 NumberOfFragments, 897 HoareAnnotationTreeSize, 57 FomulaSimplifications, 2888021 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 57 FomulaSimplificationsInter, 442949 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 610 NumberOfCodeBlocks, 610 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 595 ConstructedInterpolants, 0 QuantifiedInterpolants, 43789 SizeOfPredicates, 6 NumberOfNonLiveVariables, 914 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 138/142 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...