./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_spec1_product47.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 061cfb2472421d3cfe55520924b41b3593b27e2a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 08:42:56,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:42:56,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:42:56,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:42:56,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:42:56,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:42:56,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:42:56,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:42:56,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:42:56,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:42:56,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:42:56,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:42:56,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:42:56,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:42:56,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:42:56,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:42:56,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:42:56,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:42:56,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:42:56,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:42:56,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:42:56,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:42:56,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:42:56,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:42:56,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:42:56,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:42:56,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:42:56,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:42:56,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:42:56,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:42:56,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:42:56,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:42:56,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:42:56,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:42:56,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:42:56,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:42:56,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:42:56,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:42:56,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:42:56,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:42:56,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:42:56,573 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:42:56,617 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:42:56,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:42:56,619 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:42:56,619 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:42:56,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:42:56,621 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:42:56,621 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:42:56,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:42:56,621 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:42:56,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:42:56,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:42:56,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:42:56,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:42:56,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:42:56,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:42:56,623 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:42:56,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:42:56,624 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:42:56,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:42:56,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:42:56,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:42:56,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:42:56,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:42:56,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:42:56,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:42:56,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:42:56,625 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:42:56,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:42:56,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:42:56,626 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:42:56,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 061cfb2472421d3cfe55520924b41b3593b27e2a [2021-08-26 08:42:56,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:42:56,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:42:56,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:42:56,943 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:42:56,944 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:42:56,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c [2021-08-26 08:42:57,002 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2179025ee/877cdbb42e654b9daa9d1f1f2d3e039e/FLAG9d5345296 [2021-08-26 08:42:57,555 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:42:57,555 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c [2021-08-26 08:42:57,573 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2179025ee/877cdbb42e654b9daa9d1f1f2d3e039e/FLAG9d5345296 [2021-08-26 08:42:58,014 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2179025ee/877cdbb42e654b9daa9d1f1f2d3e039e [2021-08-26 08:42:58,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:42:58,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:42:58,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:42:58,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:42:58,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:42:58,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:42:58" (1/1) ... [2021-08-26 08:42:58,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54314d60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58, skipping insertion in model container [2021-08-26 08:42:58,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:42:58" (1/1) ... [2021-08-26 08:42:58,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:42:58,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:42:58,180 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c[1720,1733] [2021-08-26 08:42:58,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:42:58,377 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:42:58,388 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c[1720,1733] [2021-08-26 08:42:58,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:42:58,439 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:42:58,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58 WrapperNode [2021-08-26 08:42:58,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:42:58,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:42:58,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:42:58,442 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:42:58,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58" (1/1) ... [2021-08-26 08:42:58,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58" (1/1) ... [2021-08-26 08:42:58,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:42:58,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:42:58,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:42:58,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:42:58,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58" (1/1) ... [2021-08-26 08:42:58,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58" (1/1) ... [2021-08-26 08:42:58,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58" (1/1) ... [2021-08-26 08:42:58,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58" (1/1) ... [2021-08-26 08:42:58,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58" (1/1) ... [2021-08-26 08:42:58,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58" (1/1) ... [2021-08-26 08:42:58,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58" (1/1) ... [2021-08-26 08:42:58,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:42:58,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:42:58,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:42:58,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:42:58,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58" (1/1) ... [2021-08-26 08:42:58,622 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:42:58,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:42:58,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 08:42:58,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 08:42:58,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:42:58,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:42:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:42:58,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:42:59,569 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:42:59,569 INFO L299 CfgBuilder]: Removed 196 assume(true) statements. [2021-08-26 08:42:59,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:42:59 BoogieIcfgContainer [2021-08-26 08:42:59,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:42:59,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:42:59,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:42:59,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:42:59,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:42:58" (1/3) ... [2021-08-26 08:42:59,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fe471c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:42:59, skipping insertion in model container [2021-08-26 08:42:59,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:58" (2/3) ... [2021-08-26 08:42:59,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fe471c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:42:59, skipping insertion in model container [2021-08-26 08:42:59,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:42:59" (3/3) ... [2021-08-26 08:42:59,578 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product47.cil.c [2021-08-26 08:42:59,583 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:42:59,583 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:42:59,623 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:42:59,628 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 08:42:59,640 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:42:59,657 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 127 states have (on average 1.5354330708661417) internal successors, (195), 130 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:42:59,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-26 08:42:59,661 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:42:59,662 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:42:59,662 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:42:59,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:42:59,667 INFO L82 PathProgramCache]: Analyzing trace with hash -330245923, now seen corresponding path program 1 times [2021-08-26 08:42:59,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:42:59,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626566911] [2021-08-26 08:42:59,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:42:59,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:42:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:42:59,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:42:59,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:42:59,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626566911] [2021-08-26 08:42:59,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626566911] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:42:59,888 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:42:59,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:42:59,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552792943] [2021-08-26 08:42:59,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:42:59,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:42:59,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:42:59,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:42:59,906 INFO L87 Difference]: Start difference. First operand has 131 states, 127 states have (on average 1.5354330708661417) internal successors, (195), 130 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:42:59,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:42:59,940 INFO L93 Difference]: Finished difference Result 256 states and 383 transitions. [2021-08-26 08:42:59,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:42:59,941 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-08-26 08:42:59,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:42:59,948 INFO L225 Difference]: With dead ends: 256 [2021-08-26 08:42:59,949 INFO L226 Difference]: Without dead ends: 127 [2021-08-26 08:42:59,951 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:42:59,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-08-26 08:42:59,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2021-08-26 08:42:59,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 124 states have (on average 1.4758064516129032) internal successors, (183), 126 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:42:59,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 183 transitions. [2021-08-26 08:42:59,982 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 183 transitions. Word has length 16 [2021-08-26 08:42:59,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:42:59,983 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 183 transitions. [2021-08-26 08:42:59,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:42:59,983 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2021-08-26 08:42:59,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-26 08:42:59,984 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:42:59,984 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:42:59,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:42:59,984 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:42:59,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:42:59,985 INFO L82 PathProgramCache]: Analyzing trace with hash 450073546, now seen corresponding path program 1 times [2021-08-26 08:42:59,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:42:59,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892014017] [2021-08-26 08:42:59,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:42:59,986 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:00,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:00,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:00,071 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892014017] [2021-08-26 08:43:00,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892014017] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:00,072 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:00,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:43:00,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661132917] [2021-08-26 08:43:00,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:00,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:00,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:00,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:00,074 INFO L87 Difference]: Start difference. First operand 127 states and 183 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:00,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:00,084 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2021-08-26 08:43:00,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:00,085 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-08-26 08:43:00,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:00,086 INFO L225 Difference]: With dead ends: 127 [2021-08-26 08:43:00,086 INFO L226 Difference]: Without dead ends: 53 [2021-08-26 08:43:00,087 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:00,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-08-26 08:43:00,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-08-26 08:43:00,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:00,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-08-26 08:43:00,092 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2021-08-26 08:43:00,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:00,093 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-08-26 08:43:00,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:00,093 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-08-26 08:43:00,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-26 08:43:00,094 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:00,094 INFO L512 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] [2021-08-26 08:43:00,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:43:00,094 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:00,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:00,095 INFO L82 PathProgramCache]: Analyzing trace with hash 445162074, now seen corresponding path program 1 times [2021-08-26 08:43:00,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:00,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000409501] [2021-08-26 08:43:00,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:00,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:00,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:00,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:00,244 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000409501] [2021-08-26 08:43:00,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000409501] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:00,245 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:00,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:43:00,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604905115] [2021-08-26 08:43:00,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:43:00,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:00,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:43:00,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:43:00,247 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:00,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:00,412 INFO L93 Difference]: Finished difference Result 170 states and 250 transitions. [2021-08-26 08:43:00,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:43:00,413 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-08-26 08:43:00,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:00,414 INFO L225 Difference]: With dead ends: 170 [2021-08-26 08:43:00,415 INFO L226 Difference]: Without dead ends: 123 [2021-08-26 08:43:00,415 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 53.9ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:43:00,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-08-26 08:43:00,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 72. [2021-08-26 08:43:00,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.4788732394366197) internal successors, (105), 71 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:00,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 105 transitions. [2021-08-26 08:43:00,427 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 105 transitions. Word has length 22 [2021-08-26 08:43:00,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:00,427 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 105 transitions. [2021-08-26 08:43:00,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:00,428 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2021-08-26 08:43:00,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-26 08:43:00,429 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:00,429 INFO L512 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] [2021-08-26 08:43:00,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:43:00,429 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:00,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:00,430 INFO L82 PathProgramCache]: Analyzing trace with hash 96758808, now seen corresponding path program 1 times [2021-08-26 08:43:00,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:00,431 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314398075] [2021-08-26 08:43:00,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:00,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:00,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:00,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:00,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314398075] [2021-08-26 08:43:00,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314398075] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:00,487 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:00,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:00,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804435194] [2021-08-26 08:43:00,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:00,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:00,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:00,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:00,489 INFO L87 Difference]: Start difference. First operand 72 states and 105 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:00,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:00,519 INFO L93 Difference]: Finished difference Result 159 states and 234 transitions. [2021-08-26 08:43:00,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:00,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-08-26 08:43:00,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:00,520 INFO L225 Difference]: With dead ends: 159 [2021-08-26 08:43:00,521 INFO L226 Difference]: Without dead ends: 93 [2021-08-26 08:43:00,521 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:00,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-08-26 08:43:00,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2021-08-26 08:43:00,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.4333333333333333) internal successors, (129), 90 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:00,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 129 transitions. [2021-08-26 08:43:00,531 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 129 transitions. Word has length 24 [2021-08-26 08:43:00,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:00,531 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 129 transitions. [2021-08-26 08:43:00,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:00,532 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2021-08-26 08:43:00,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-26 08:43:00,532 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:00,533 INFO L512 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] [2021-08-26 08:43:00,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:43:00,533 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:00,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:00,534 INFO L82 PathProgramCache]: Analyzing trace with hash -732744145, now seen corresponding path program 1 times [2021-08-26 08:43:00,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:00,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772842056] [2021-08-26 08:43:00,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:00,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:00,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:00,626 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:00,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772842056] [2021-08-26 08:43:00,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772842056] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:00,626 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:00,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:00,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138806104] [2021-08-26 08:43:00,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:00,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:00,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:00,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:00,631 INFO L87 Difference]: Start difference. First operand 91 states and 129 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:00,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:00,764 INFO L93 Difference]: Finished difference Result 440 states and 638 transitions. [2021-08-26 08:43:00,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 08:43:00,764 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-08-26 08:43:00,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:00,767 INFO L225 Difference]: With dead ends: 440 [2021-08-26 08:43:00,767 INFO L226 Difference]: Without dead ends: 355 [2021-08-26 08:43:00,768 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 34.6ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:43:00,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2021-08-26 08:43:00,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 168. [2021-08-26 08:43:00,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 167 states have (on average 1.4131736526946108) internal successors, (236), 167 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:00,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 236 transitions. [2021-08-26 08:43:00,789 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 236 transitions. Word has length 25 [2021-08-26 08:43:00,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:00,789 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 236 transitions. [2021-08-26 08:43:00,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:00,790 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 236 transitions. [2021-08-26 08:43:00,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 08:43:00,791 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:00,791 INFO L512 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] [2021-08-26 08:43:00,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:43:00,791 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:00,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:00,792 INFO L82 PathProgramCache]: Analyzing trace with hash -936551239, now seen corresponding path program 1 times [2021-08-26 08:43:00,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:00,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604873079] [2021-08-26 08:43:00,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:00,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:00,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:00,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:00,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604873079] [2021-08-26 08:43:00,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604873079] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:00,870 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:00,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:00,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132094057] [2021-08-26 08:43:00,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:00,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:00,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:00,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:00,876 INFO L87 Difference]: Start difference. First operand 168 states and 236 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:00,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:00,994 INFO L93 Difference]: Finished difference Result 478 states and 675 transitions. [2021-08-26 08:43:00,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 08:43:00,996 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-08-26 08:43:00,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:00,999 INFO L225 Difference]: With dead ends: 478 [2021-08-26 08:43:00,999 INFO L226 Difference]: Without dead ends: 476 [2021-08-26 08:43:01,007 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 32.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:43:01,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2021-08-26 08:43:01,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 168. [2021-08-26 08:43:01,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 167 states have (on average 1.401197604790419) internal successors, (234), 167 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:01,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 234 transitions. [2021-08-26 08:43:01,041 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 234 transitions. Word has length 26 [2021-08-26 08:43:01,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:01,041 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 234 transitions. [2021-08-26 08:43:01,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:01,042 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 234 transitions. [2021-08-26 08:43:01,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:43:01,047 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:01,047 INFO L512 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] [2021-08-26 08:43:01,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 08:43:01,047 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:01,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:01,048 INFO L82 PathProgramCache]: Analyzing trace with hash 9848911, now seen corresponding path program 1 times [2021-08-26 08:43:01,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:01,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888857523] [2021-08-26 08:43:01,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:01,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:01,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:01,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:01,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888857523] [2021-08-26 08:43:01,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888857523] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:01,115 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:01,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:01,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250544003] [2021-08-26 08:43:01,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:01,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:01,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:01,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:01,116 INFO L87 Difference]: Start difference. First operand 168 states and 234 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:01,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:01,146 INFO L93 Difference]: Finished difference Result 462 states and 646 transitions. [2021-08-26 08:43:01,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:01,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-26 08:43:01,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:01,149 INFO L225 Difference]: With dead ends: 462 [2021-08-26 08:43:01,149 INFO L226 Difference]: Without dead ends: 300 [2021-08-26 08:43:01,150 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:01,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2021-08-26 08:43:01,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 298. [2021-08-26 08:43:01,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 297 states have (on average 1.3703703703703705) internal successors, (407), 297 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:01,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 407 transitions. [2021-08-26 08:43:01,174 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 407 transitions. Word has length 34 [2021-08-26 08:43:01,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:01,175 INFO L470 AbstractCegarLoop]: Abstraction has 298 states and 407 transitions. [2021-08-26 08:43:01,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:01,176 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 407 transitions. [2021-08-26 08:43:01,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:43:01,179 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:01,179 INFO L512 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] [2021-08-26 08:43:01,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 08:43:01,179 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:01,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:01,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1289712589, now seen corresponding path program 1 times [2021-08-26 08:43:01,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:01,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411839312] [2021-08-26 08:43:01,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:01,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:01,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:01,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:01,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411839312] [2021-08-26 08:43:01,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411839312] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:01,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:01,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:43:01,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426084554] [2021-08-26 08:43:01,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:01,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:01,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:01,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:01,273 INFO L87 Difference]: Start difference. First operand 298 states and 407 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:01,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:01,366 INFO L93 Difference]: Finished difference Result 908 states and 1228 transitions. [2021-08-26 08:43:01,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:43:01,367 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-26 08:43:01,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:01,369 INFO L225 Difference]: With dead ends: 908 [2021-08-26 08:43:01,369 INFO L226 Difference]: Without dead ends: 616 [2021-08-26 08:43:01,370 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:43:01,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2021-08-26 08:43:01,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 316. [2021-08-26 08:43:01,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 315 states have (on average 1.3492063492063493) internal successors, (425), 315 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:01,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 425 transitions. [2021-08-26 08:43:01,393 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 425 transitions. Word has length 34 [2021-08-26 08:43:01,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:01,394 INFO L470 AbstractCegarLoop]: Abstraction has 316 states and 425 transitions. [2021-08-26 08:43:01,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:01,394 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 425 transitions. [2021-08-26 08:43:01,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:43:01,395 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:01,395 INFO L512 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] [2021-08-26 08:43:01,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 08:43:01,396 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:01,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:01,396 INFO L82 PathProgramCache]: Analyzing trace with hash 702906575, now seen corresponding path program 1 times [2021-08-26 08:43:01,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:01,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518321779] [2021-08-26 08:43:01,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:01,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:01,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:01,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:01,466 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518321779] [2021-08-26 08:43:01,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518321779] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:01,466 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:01,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:43:01,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55676628] [2021-08-26 08:43:01,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:43:01,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:01,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:43:01,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:43:01,468 INFO L87 Difference]: Start difference. First operand 316 states and 425 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:01,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:01,579 INFO L93 Difference]: Finished difference Result 810 states and 1083 transitions. [2021-08-26 08:43:01,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:43:01,582 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-26 08:43:01,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:01,585 INFO L225 Difference]: With dead ends: 810 [2021-08-26 08:43:01,585 INFO L226 Difference]: Without dead ends: 500 [2021-08-26 08:43:01,586 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 43.2ms TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-08-26 08:43:01,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2021-08-26 08:43:01,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 276. [2021-08-26 08:43:01,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 275 states have (on average 1.3236363636363637) internal successors, (364), 275 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:01,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 364 transitions. [2021-08-26 08:43:01,610 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 364 transitions. Word has length 34 [2021-08-26 08:43:01,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:01,611 INFO L470 AbstractCegarLoop]: Abstraction has 276 states and 364 transitions. [2021-08-26 08:43:01,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:01,611 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 364 transitions. [2021-08-26 08:43:01,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-26 08:43:01,612 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:01,612 INFO L512 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] [2021-08-26 08:43:01,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 08:43:01,613 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:01,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:01,613 INFO L82 PathProgramCache]: Analyzing trace with hash 939478607, now seen corresponding path program 1 times [2021-08-26 08:43:01,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:01,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030333385] [2021-08-26 08:43:01,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:01,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:01,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:01,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:01,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030333385] [2021-08-26 08:43:01,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030333385] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:01,715 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:01,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-26 08:43:01,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136580394] [2021-08-26 08:43:01,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 08:43:01,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:01,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 08:43:01,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:43:01,717 INFO L87 Difference]: Start difference. First operand 276 states and 364 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:02,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:02,153 INFO L93 Difference]: Finished difference Result 1116 states and 1474 transitions. [2021-08-26 08:43:02,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-26 08:43:02,154 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-08-26 08:43:02,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:02,158 INFO L225 Difference]: With dead ends: 1116 [2021-08-26 08:43:02,158 INFO L226 Difference]: Without dead ends: 846 [2021-08-26 08:43:02,159 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 215.5ms TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2021-08-26 08:43:02,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2021-08-26 08:43:02,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 276. [2021-08-26 08:43:02,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 275 states have (on average 1.298181818181818) internal successors, (357), 275 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:02,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 357 transitions. [2021-08-26 08:43:02,186 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 357 transitions. Word has length 35 [2021-08-26 08:43:02,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:02,186 INFO L470 AbstractCegarLoop]: Abstraction has 276 states and 357 transitions. [2021-08-26 08:43:02,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:02,186 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 357 transitions. [2021-08-26 08:43:02,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-26 08:43:02,188 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:02,188 INFO L512 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] [2021-08-26 08:43:02,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-26 08:43:02,188 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:02,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:02,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1267756066, now seen corresponding path program 1 times [2021-08-26 08:43:02,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:02,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763983995] [2021-08-26 08:43:02,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:02,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:02,253 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-26 08:43:02,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:02,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763983995] [2021-08-26 08:43:02,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763983995] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:02,254 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:02,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:43:02,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547176512] [2021-08-26 08:43:02,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:43:02,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:02,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:43:02,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:43:02,256 INFO L87 Difference]: Start difference. First operand 276 states and 357 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:02,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:02,505 INFO L93 Difference]: Finished difference Result 755 states and 988 transitions. [2021-08-26 08:43:02,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-26 08:43:02,506 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-08-26 08:43:02,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:02,507 INFO L225 Difference]: With dead ends: 755 [2021-08-26 08:43:02,507 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:43:02,508 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 72.6ms TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-08-26 08:43:02,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:43:02,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:43:02,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:02,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:43:02,509 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2021-08-26 08:43:02,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:02,509 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:43:02,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:02,510 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:43:02,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:43:02,514 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:02,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:02,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:02,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-26 08:43:02,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:43:02,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:02,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:03,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:04,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:10,427 INFO L853 garLoopResultBuilder]: At program point L167-6(lines 162 170) the Hoare annotation is: false [2021-08-26 08:43:10,427 INFO L853 garLoopResultBuilder]: At program point L167-7(lines 162 170) the Hoare annotation is: false [2021-08-26 08:43:10,427 INFO L853 garLoopResultBuilder]: At program point L167-8(lines 162 170) the Hoare annotation is: false [2021-08-26 08:43:10,427 INFO L853 garLoopResultBuilder]: At program point L167-9(lines 162 170) the Hoare annotation is: false [2021-08-26 08:43:10,428 INFO L853 garLoopResultBuilder]: At program point L167-10(lines 162 170) the Hoare annotation is: false [2021-08-26 08:43:10,428 INFO L853 garLoopResultBuilder]: At program point L167-11(lines 162 170) the Hoare annotation is: false [2021-08-26 08:43:10,428 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 75) no Hoare annotation was computed. [2021-08-26 08:43:10,428 INFO L853 garLoopResultBuilder]: At program point L237(lines 237 243) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse4 .cse2 .cse3 (not (= 0 ~systemActive~0))))) [2021-08-26 08:43:10,428 INFO L853 garLoopResultBuilder]: At program point L237-1(lines 237 243) the Hoare annotation is: false [2021-08-26 08:43:10,429 INFO L853 garLoopResultBuilder]: At program point L237-2(lines 237 243) the Hoare annotation is: false [2021-08-26 08:43:10,429 INFO L853 garLoopResultBuilder]: At program point L105(lines 1 961) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:43:10,429 INFO L857 garLoopResultBuilder]: For program point L207(lines 207 213) no Hoare annotation was computed. [2021-08-26 08:43:10,429 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 207 213) no Hoare annotation was computed. [2021-08-26 08:43:10,429 INFO L857 garLoopResultBuilder]: For program point L207-2(lines 207 213) no Hoare annotation was computed. [2021-08-26 08:43:10,429 INFO L857 garLoopResultBuilder]: For program point L207-3(lines 207 213) no Hoare annotation was computed. [2021-08-26 08:43:10,430 INFO L857 garLoopResultBuilder]: For program point L75(line 75) no Hoare annotation was computed. [2021-08-26 08:43:10,430 INFO L857 garLoopResultBuilder]: For program point L207-4(lines 207 213) no Hoare annotation was computed. [2021-08-26 08:43:10,430 INFO L857 garLoopResultBuilder]: For program point L75-1(line 75) no Hoare annotation was computed. [2021-08-26 08:43:10,430 INFO L857 garLoopResultBuilder]: For program point L207-5(lines 207 213) no Hoare annotation was computed. [2021-08-26 08:43:10,430 INFO L857 garLoopResultBuilder]: For program point L75-2(line 75) no Hoare annotation was computed. [2021-08-26 08:43:10,430 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 75) no Hoare annotation was computed. [2021-08-26 08:43:10,430 INFO L857 garLoopResultBuilder]: For program point L142(lines 142 146) no Hoare annotation was computed. [2021-08-26 08:43:10,431 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 411) no Hoare annotation was computed. [2021-08-26 08:43:10,431 INFO L857 garLoopResultBuilder]: For program point L407-2(lines 407 411) no Hoare annotation was computed. [2021-08-26 08:43:10,431 INFO L857 garLoopResultBuilder]: For program point L407-3(lines 407 411) no Hoare annotation was computed. [2021-08-26 08:43:10,431 INFO L857 garLoopResultBuilder]: For program point L407-5(lines 407 411) no Hoare annotation was computed. [2021-08-26 08:43:10,431 INFO L857 garLoopResultBuilder]: For program point L407-6(lines 407 411) no Hoare annotation was computed. [2021-08-26 08:43:10,431 INFO L857 garLoopResultBuilder]: For program point L407-8(lines 407 411) no Hoare annotation was computed. [2021-08-26 08:43:10,432 INFO L857 garLoopResultBuilder]: For program point L407-9(lines 407 411) no Hoare annotation was computed. [2021-08-26 08:43:10,432 INFO L857 garLoopResultBuilder]: For program point L407-11(lines 407 411) no Hoare annotation was computed. [2021-08-26 08:43:10,432 INFO L857 garLoopResultBuilder]: For program point L407-12(lines 407 411) no Hoare annotation was computed. [2021-08-26 08:43:10,432 INFO L857 garLoopResultBuilder]: For program point L407-14(lines 407 411) no Hoare annotation was computed. [2021-08-26 08:43:10,432 INFO L857 garLoopResultBuilder]: For program point L407-15(lines 407 411) no Hoare annotation was computed. [2021-08-26 08:43:10,432 INFO L857 garLoopResultBuilder]: For program point L407-17(lines 407 411) no Hoare annotation was computed. [2021-08-26 08:43:10,432 INFO L857 garLoopResultBuilder]: For program point L474(lines 474 487) no Hoare annotation was computed. [2021-08-26 08:43:10,433 INFO L853 garLoopResultBuilder]: At program point L212(lines 203 216) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~9 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:43:10,433 INFO L853 garLoopResultBuilder]: At program point L212-1(lines 203 216) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) .cse3 .cse4) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4))) [2021-08-26 08:43:10,433 INFO L853 garLoopResultBuilder]: At program point L212-2(lines 203 216) the Hoare annotation is: false [2021-08-26 08:43:10,433 INFO L853 garLoopResultBuilder]: At program point L113(lines 108 116) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-08-26 08:43:10,433 INFO L853 garLoopResultBuilder]: At program point L212-3(lines 203 216) the Hoare annotation is: false [2021-08-26 08:43:10,433 INFO L853 garLoopResultBuilder]: At program point L212-4(lines 203 216) the Hoare annotation is: false [2021-08-26 08:43:10,434 INFO L853 garLoopResultBuilder]: At program point L212-5(lines 203 216) the Hoare annotation is: false [2021-08-26 08:43:10,434 INFO L857 garLoopResultBuilder]: For program point L445(lines 444 491) no Hoare annotation was computed. [2021-08-26 08:43:10,434 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 450) no Hoare annotation was computed. [2021-08-26 08:43:10,434 INFO L853 garLoopResultBuilder]: At program point L413(lines 398 416) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~9 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:43:10,434 INFO L853 garLoopResultBuilder]: At program point L413-1(lines 398 416) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) .cse3 .cse4) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4))) [2021-08-26 08:43:10,434 INFO L853 garLoopResultBuilder]: At program point L413-2(lines 398 416) the Hoare annotation is: false [2021-08-26 08:43:10,435 INFO L853 garLoopResultBuilder]: At program point L413-3(lines 398 416) the Hoare annotation is: false [2021-08-26 08:43:10,435 INFO L853 garLoopResultBuilder]: At program point L413-4(lines 398 416) the Hoare annotation is: false [2021-08-26 08:43:10,435 INFO L853 garLoopResultBuilder]: At program point L413-5(lines 398 416) the Hoare annotation is: false [2021-08-26 08:43:10,435 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 486) no Hoare annotation was computed. [2021-08-26 08:43:10,435 INFO L853 garLoopResultBuilder]: At program point L480-1(lines 230 236) the Hoare annotation is: (let ((.cse4 (not (= 0 ~systemActive~0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3) (and .cse0 .cse6 .cse5 .cse1 .cse3))) [2021-08-26 08:43:10,435 INFO L853 garLoopResultBuilder]: At program point L349(lines 342 352) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) (= ~methaneLevelCritical~0 1) .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse3) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3))) [2021-08-26 08:43:10,436 INFO L853 garLoopResultBuilder]: At program point L349-1(lines 342 352) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~9 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:43:10,436 INFO L853 garLoopResultBuilder]: At program point L349-2(lines 342 352) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) (= ~methaneLevelCritical~0 1) .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse4))) [2021-08-26 08:43:10,436 INFO L853 garLoopResultBuilder]: At program point L349-3(lines 342 352) the Hoare annotation is: false [2021-08-26 08:43:10,436 INFO L853 garLoopResultBuilder]: At program point L349-4(lines 342 352) the Hoare annotation is: false [2021-08-26 08:43:10,436 INFO L853 garLoopResultBuilder]: At program point L349-5(lines 342 352) the Hoare annotation is: false [2021-08-26 08:43:10,436 INFO L853 garLoopResultBuilder]: At program point L349-6(lines 342 352) the Hoare annotation is: false [2021-08-26 08:43:10,437 INFO L853 garLoopResultBuilder]: At program point L349-7(lines 342 352) the Hoare annotation is: false [2021-08-26 08:43:10,437 INFO L853 garLoopResultBuilder]: At program point L349-8(lines 342 352) the Hoare annotation is: false [2021-08-26 08:43:10,437 INFO L853 garLoopResultBuilder]: At program point L878-2(lines 878 892) the Hoare annotation is: false [2021-08-26 08:43:10,437 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:43:10,437 INFO L857 garLoopResultBuilder]: For program point L53(lines 53 66) no Hoare annotation was computed. [2021-08-26 08:43:10,437 INFO L853 garLoopResultBuilder]: At program point L53-1(lines 1 961) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse5 (= ULTIMATE.start_main_~tmp~9 1)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse5 (= ~methaneLevelCritical~0 1) .cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse3 .cse5 .cse6 .cse7))) [2021-08-26 08:43:10,438 INFO L857 garLoopResultBuilder]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2021-08-26 08:43:10,438 INFO L853 garLoopResultBuilder]: At program point L53-3(lines 1 961) the Hoare annotation is: false [2021-08-26 08:43:10,438 INFO L857 garLoopResultBuilder]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2021-08-26 08:43:10,438 INFO L853 garLoopResultBuilder]: At program point L53-5(lines 1 961) the Hoare annotation is: false [2021-08-26 08:43:10,438 INFO L857 garLoopResultBuilder]: For program point L879(line 879) no Hoare annotation was computed. [2021-08-26 08:43:10,438 INFO L857 garLoopResultBuilder]: For program point L154(lines 154 158) no Hoare annotation was computed. [2021-08-26 08:43:10,438 INFO L857 garLoopResultBuilder]: For program point L882(lines 882 886) no Hoare annotation was computed. [2021-08-26 08:43:10,439 INFO L857 garLoopResultBuilder]: For program point L882-1(lines 230 236) no Hoare annotation was computed. [2021-08-26 08:43:10,439 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 305) no Hoare annotation was computed. [2021-08-26 08:43:10,439 INFO L857 garLoopResultBuilder]: For program point L288-1(lines 288 305) no Hoare annotation was computed. [2021-08-26 08:43:10,439 INFO L857 garLoopResultBuilder]: For program point L288-2(lines 288 305) no Hoare annotation was computed. [2021-08-26 08:43:10,439 INFO L857 garLoopResultBuilder]: For program point L57(lines 57 63) no Hoare annotation was computed. [2021-08-26 08:43:10,439 INFO L857 garLoopResultBuilder]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2021-08-26 08:43:10,439 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 956) no Hoare annotation was computed. [2021-08-26 08:43:10,440 INFO L857 garLoopResultBuilder]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2021-08-26 08:43:10,440 INFO L860 garLoopResultBuilder]: At program point L949-1(lines 949 956) the Hoare annotation is: true [2021-08-26 08:43:10,440 INFO L857 garLoopResultBuilder]: For program point L454(lines 454 460) no Hoare annotation was computed. [2021-08-26 08:43:10,440 INFO L853 garLoopResultBuilder]: At program point L454-1(lines 454 460) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse5 (= ULTIMATE.start_main_~tmp~9 1)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse5 (= ~methaneLevelCritical~0 1) .cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse3 .cse5 .cse6 .cse7))) [2021-08-26 08:43:10,440 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 427) no Hoare annotation was computed. [2021-08-26 08:43:10,440 INFO L853 garLoopResultBuilder]: At program point L421-1(lines 421 427) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3))) [2021-08-26 08:43:10,441 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:43:10,441 INFO L857 garLoopResultBuilder]: For program point L324(lines 324 330) no Hoare annotation was computed. [2021-08-26 08:43:10,441 INFO L857 garLoopResultBuilder]: For program point L324-2(lines 324 330) no Hoare annotation was computed. [2021-08-26 08:43:10,441 INFO L857 garLoopResultBuilder]: For program point L324-4(lines 324 330) no Hoare annotation was computed. [2021-08-26 08:43:10,441 INFO L857 garLoopResultBuilder]: For program point L324-6(lines 324 330) no Hoare annotation was computed. [2021-08-26 08:43:10,441 INFO L857 garLoopResultBuilder]: For program point L324-8(lines 324 330) no Hoare annotation was computed. [2021-08-26 08:43:10,441 INFO L857 garLoopResultBuilder]: For program point L324-10(lines 324 330) no Hoare annotation was computed. [2021-08-26 08:43:10,442 INFO L853 garLoopResultBuilder]: At program point L358(lines 353 361) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ULTIMATE.start_main_~tmp~9 1) (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) [2021-08-26 08:43:10,442 INFO L853 garLoopResultBuilder]: At program point L358-1(lines 353 361) the Hoare annotation is: false [2021-08-26 08:43:10,442 INFO L857 garLoopResultBuilder]: For program point L292(lines 292 300) no Hoare annotation was computed. [2021-08-26 08:43:10,442 INFO L853 garLoopResultBuilder]: At program point L358-2(lines 353 361) the Hoare annotation is: false [2021-08-26 08:43:10,442 INFO L857 garLoopResultBuilder]: For program point L292-1(lines 292 300) no Hoare annotation was computed. [2021-08-26 08:43:10,442 INFO L857 garLoopResultBuilder]: For program point L292-2(lines 292 300) no Hoare annotation was computed. [2021-08-26 08:43:10,442 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:43:10,443 INFO L853 garLoopResultBuilder]: At program point L492(lines 443 493) the Hoare annotation is: false [2021-08-26 08:43:10,443 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 279) no Hoare annotation was computed. [2021-08-26 08:43:10,443 INFO L857 garLoopResultBuilder]: For program point L262-1(lines 262 279) no Hoare annotation was computed. [2021-08-26 08:43:10,443 INFO L857 garLoopResultBuilder]: For program point L262-2(lines 262 279) no Hoare annotation was computed. [2021-08-26 08:43:10,443 INFO L857 garLoopResultBuilder]: For program point L262-3(lines 262 279) no Hoare annotation was computed. [2021-08-26 08:43:10,443 INFO L857 garLoopResultBuilder]: For program point L130(lines 130 134) no Hoare annotation was computed. [2021-08-26 08:43:10,443 INFO L857 garLoopResultBuilder]: For program point L262-4(lines 262 279) no Hoare annotation was computed. [2021-08-26 08:43:10,444 INFO L857 garLoopResultBuilder]: For program point L262-5(lines 262 279) no Hoare annotation was computed. [2021-08-26 08:43:10,444 INFO L857 garLoopResultBuilder]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2021-08-26 08:43:10,444 INFO L857 garLoopResultBuilder]: For program point L130-6(lines 130 134) no Hoare annotation was computed. [2021-08-26 08:43:10,444 INFO L853 garLoopResultBuilder]: At program point L230(lines 229 248) the Hoare annotation is: (let ((.cse4 (not (= 0 ~systemActive~0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3) (and .cse0 .cse6 .cse5 .cse1 .cse3))) [2021-08-26 08:43:10,444 INFO L857 garLoopResultBuilder]: For program point L230-1(lines 230 236) no Hoare annotation was computed. [2021-08-26 08:43:10,444 INFO L853 garLoopResultBuilder]: At program point L230-2(lines 229 248) the Hoare annotation is: false [2021-08-26 08:43:10,445 INFO L853 garLoopResultBuilder]: At program point L230-3(lines 229 248) the Hoare annotation is: false [2021-08-26 08:43:10,445 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:43:10,445 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 75) no Hoare annotation was computed. [2021-08-26 08:43:10,445 INFO L860 garLoopResultBuilder]: At program point L958(lines 939 961) the Hoare annotation is: true [2021-08-26 08:43:10,445 INFO L853 garLoopResultBuilder]: At program point L926(lines 922 928) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~9 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-08-26 08:43:10,445 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 470) no Hoare annotation was computed. [2021-08-26 08:43:10,446 INFO L853 garLoopResultBuilder]: At program point L464-1(lines 464 470) the Hoare annotation is: (let ((.cse4 (not (= 0 ~systemActive~0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3) (and .cse0 .cse6 .cse5 .cse1 .cse3))) [2021-08-26 08:43:10,446 INFO L857 garLoopResultBuilder]: For program point L266(lines 266 274) no Hoare annotation was computed. [2021-08-26 08:43:10,446 INFO L857 garLoopResultBuilder]: For program point L266-1(lines 266 274) no Hoare annotation was computed. [2021-08-26 08:43:10,446 INFO L857 garLoopResultBuilder]: For program point L266-2(lines 266 274) no Hoare annotation was computed. [2021-08-26 08:43:10,446 INFO L853 garLoopResultBuilder]: At program point L167(lines 162 170) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse3) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3))) [2021-08-26 08:43:10,446 INFO L857 garLoopResultBuilder]: For program point L266-3(lines 266 274) no Hoare annotation was computed. [2021-08-26 08:43:10,446 INFO L853 garLoopResultBuilder]: At program point L167-1(lines 162 170) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~9 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:43:10,447 INFO L857 garLoopResultBuilder]: For program point L266-4(lines 266 274) no Hoare annotation was computed. [2021-08-26 08:43:10,447 INFO L853 garLoopResultBuilder]: At program point L167-2(lines 162 170) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse4))) [2021-08-26 08:43:10,447 INFO L857 garLoopResultBuilder]: For program point L266-5(lines 266 274) no Hoare annotation was computed. [2021-08-26 08:43:10,447 INFO L853 garLoopResultBuilder]: At program point L167-3(lines 162 170) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3 (not (= 0 ~systemActive~0))))) [2021-08-26 08:43:10,447 INFO L853 garLoopResultBuilder]: At program point L167-4(lines 162 170) the Hoare annotation is: false [2021-08-26 08:43:10,447 INFO L853 garLoopResultBuilder]: At program point L167-5(lines 162 170) the Hoare annotation is: false [2021-08-26 08:43:10,451 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:43:10,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:43:10 BoogieIcfgContainer [2021-08-26 08:43:10,472 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:43:10,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:43:10,473 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:43:10,473 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:43:10,473 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:42:59" (3/4) ... [2021-08-26 08:43:10,476 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:43:10,490 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:43:10,491 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:43:10,492 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:43:10,493 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:43:10,494 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:43:10,495 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:43:10,496 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:43:10,515 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 [2021-08-26 08:43:10,516 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) && waterLevel == 1 [2021-08-26 08:43:10,516 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1)) || ((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:43:10,516 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1)) || ((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:43:10,517 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) [2021-08-26 08:43:10,517 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) [2021-08-26 08:43:10,517 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) [2021-08-26 08:43:10,517 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:43:10,518 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) [2021-08-26 08:43:10,518 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:43:10,519 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:43:10,519 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:43:10,520 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:43:10,520 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1 [2021-08-26 08:43:10,521 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:43:10,521 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) [2021-08-26 08:43:10,522 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:43:10,522 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) [2021-08-26 08:43:10,522 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:43:10,523 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) [2021-08-26 08:43:10,523 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) [2021-08-26 08:43:10,560 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:43:10,561 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:43:10,562 INFO L168 Benchmark]: Toolchain (without parser) took 12543.60 ms. Allocated memory was 65.0 MB in the beginning and 220.2 MB in the end (delta: 155.2 MB). Free memory was 43.4 MB in the beginning and 74.2 MB in the end (delta: -30.8 MB). Peak memory consumption was 124.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:10,563 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 65.0 MB. Free memory was 45.6 MB in the beginning and 45.6 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:43:10,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 419.12 ms. Allocated memory is still 65.0 MB. Free memory was 43.3 MB in the beginning and 39.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:10,563 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.30 ms. Allocated memory is still 65.0 MB. Free memory was 39.2 MB in the beginning and 35.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:10,563 INFO L168 Benchmark]: Boogie Preprocessor took 78.96 ms. Allocated memory is still 65.0 MB. Free memory was 35.2 MB in the beginning and 32.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:10,564 INFO L168 Benchmark]: RCFGBuilder took 957.22 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 32.2 MB in the beginning and 42.4 MB in the end (delta: -10.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:10,564 INFO L168 Benchmark]: TraceAbstraction took 10899.01 ms. Allocated memory was 79.7 MB in the beginning and 220.2 MB in the end (delta: 140.5 MB). Free memory was 41.7 MB in the beginning and 85.7 MB in the end (delta: -44.1 MB). Peak memory consumption was 117.9 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:10,564 INFO L168 Benchmark]: Witness Printer took 88.27 ms. Allocated memory is still 220.2 MB. Free memory was 85.7 MB in the beginning and 74.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:10,566 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 65.0 MB. Free memory was 45.6 MB in the beginning and 45.6 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 419.12 ms. Allocated memory is still 65.0 MB. Free memory was 43.3 MB in the beginning and 39.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.30 ms. Allocated memory is still 65.0 MB. Free memory was 39.2 MB in the beginning and 35.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.96 ms. Allocated memory is still 65.0 MB. Free memory was 35.2 MB in the beginning and 32.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 957.22 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 32.2 MB in the beginning and 42.4 MB in the end (delta: -10.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10899.01 ms. Allocated memory was 79.7 MB in the beginning and 220.2 MB in the end (delta: 140.5 MB). Free memory was 41.7 MB in the beginning and 85.7 MB in the end (delta: -44.1 MB). Peak memory consumption was 117.9 MB. Max. memory is 16.1 GB. * Witness Printer took 88.27 ms. Allocated memory is still 220.2 MB. Free memory was 85.7 MB in the beginning and 74.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 75]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 75]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 75]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 131 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 10830.0ms, OverallIterations: 11, TraceHistogramMax: 2, EmptinessCheckTime: 25.9ms, AutomataDifference: 1492.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 7909.6ms, InitialAbstractionConstructionTime: 9.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1348 SDtfs, 2258 SDslu, 2741 SDs, 0 SdLazy, 391 SolverSat, 77 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 482.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 481.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=316occurred in iteration=8, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 201.2ms AutomataMinimizationTime, 11 MinimizatonAttempts, 1644 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 310 NumberOfFragments, 976 HoareAnnotationTreeSize, 56 FomulaSimplifications, 1645297 FormulaSimplificationTreeSizeReduction, 2277.4ms HoareSimplificationTime, 56 FomulaSimplificationsInter, 761218 FormulaSimplificationTreeSizeReductionInter, 5608.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 47.7ms SsaConstructionTime, 281.6ms SatisfiabilityAnalysisTime, 638.6ms InterpolantComputationTime, 321 NumberOfCodeBlocks, 321 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 310 ConstructedInterpolants, 0 QuantifiedInterpolants, 600 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 14/14 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1)) || ((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1)) || ((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-08-26 08:43:10,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...