./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product38.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_spec2_product38.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 fa8aab7b4d1dbf3ce64147abb8b13f1152d3986f 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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 08:43:29,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:43:29,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:43:29,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:43:29,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:43:29,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:43:29,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:43:29,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:43:29,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:43:29,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:43:29,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:43:29,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:43:29,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:43:29,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:43:29,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:43:29,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:43:29,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:43:29,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:43:29,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:43:29,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:43:29,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:43:29,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:43:29,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:43:29,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:43:29,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:43:29,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:43:29,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:43:29,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:43:29,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:43:29,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:43:29,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:43:29,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:43:29,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:43:29,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:43:29,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:43:29,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:43:29,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:43:29,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:43:29,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:43:29,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:43:29,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:43:29,426 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:43:29,454 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:43:29,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:43:29,455 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:43:29,455 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:43:29,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:43:29,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:43:29,456 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:43:29,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:43:29,457 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:43:29,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:43:29,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:43:29,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:43:29,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:43:29,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:43:29,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:43:29,458 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:43:29,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:43:29,459 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:43:29,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:43:29,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:43:29,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:43:29,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:43:29,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:43:29,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:43:29,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:43:29,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:43:29,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:43:29,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:43:29,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:43:29,460 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:43:29,460 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa8aab7b4d1dbf3ce64147abb8b13f1152d3986f [2021-08-26 08:43:29,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:43:29,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:43:29,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:43:29,752 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:43:29,752 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:43:29,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2021-08-26 08:43:29,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7da7594ad/faff68a525bc48928dedf80abdeaa59a/FLAG4fe0cf3d2 [2021-08-26 08:43:30,208 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:43:30,211 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2021-08-26 08:43:30,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7da7594ad/faff68a525bc48928dedf80abdeaa59a/FLAG4fe0cf3d2 [2021-08-26 08:43:30,233 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7da7594ad/faff68a525bc48928dedf80abdeaa59a [2021-08-26 08:43:30,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:43:30,236 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:43:30,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:43:30,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:43:30,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:43:30,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:43:30" (1/1) ... [2021-08-26 08:43:30,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33056b8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:30, skipping insertion in model container [2021-08-26 08:43:30,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:43:30" (1/1) ... [2021-08-26 08:43:30,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:43:30,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:43:30,414 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_spec2_product38.cil.c[1281,1294] [2021-08-26 08:43:30,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:43:30,657 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:43:30,665 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_spec2_product38.cil.c[1281,1294] [2021-08-26 08:43:30,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:43:30,744 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:43:30,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:30 WrapperNode [2021-08-26 08:43:30,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:43:30,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:43:30,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:43:30,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:43:30,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:30" (1/1) ... [2021-08-26 08:43:30,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:30" (1/1) ... [2021-08-26 08:43:30,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:43:30,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:43:30,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:43:30,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:43:30,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:30" (1/1) ... [2021-08-26 08:43:30,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:30" (1/1) ... [2021-08-26 08:43:30,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:30" (1/1) ... [2021-08-26 08:43:30,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:30" (1/1) ... [2021-08-26 08:43:30,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:30" (1/1) ... [2021-08-26 08:43:30,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:30" (1/1) ... [2021-08-26 08:43:30,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:30" (1/1) ... [2021-08-26 08:43:30,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:43:30,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:43:30,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:43:30,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:43:30,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:30" (1/1) ... [2021-08-26 08:43:30,901 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:43:30,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:43:30,915 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 08:43:30,917 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 08:43:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:43:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:43:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:43:30,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:43:31,711 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:43:31,712 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-08-26 08:43:31,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:31 BoogieIcfgContainer [2021-08-26 08:43:31,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:43:31,714 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:43:31,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:43:31,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:43:31,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:43:30" (1/3) ... [2021-08-26 08:43:31,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35481711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:43:31, skipping insertion in model container [2021-08-26 08:43:31,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:30" (2/3) ... [2021-08-26 08:43:31,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35481711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:43:31, skipping insertion in model container [2021-08-26 08:43:31,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:31" (3/3) ... [2021-08-26 08:43:31,718 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2021-08-26 08:43:31,721 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:43:31,721 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:43:31,745 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:43:31,749 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 08:43:31,749 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:43:31,759 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 111 states have (on average 1.5765765765765767) internal successors, (175), 114 states have internal predecessors, (175), 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 08:43:31,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-26 08:43:31,762 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:31,762 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:31,762 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 08:43:31,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:31,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1873143772, now seen corresponding path program 1 times [2021-08-26 08:43:31,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:31,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959762748] [2021-08-26 08:43:31,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:31,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:31,904 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 08:43:31,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:31,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959762748] [2021-08-26 08:43:31,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959762748] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:31,905 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:31,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:31,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5418046] [2021-08-26 08:43:31,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:43:31,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:31,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:43:31,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:43:31,918 INFO L87 Difference]: Start difference. First operand has 115 states, 111 states have (on average 1.5765765765765767) internal successors, (175), 114 states have internal predecessors, (175), 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 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 08:43:31,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:31,935 INFO L93 Difference]: Finished difference Result 223 states and 342 transitions. [2021-08-26 08:43:31,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:43:31,936 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-08-26 08:43:31,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:31,942 INFO L225 Difference]: With dead ends: 223 [2021-08-26 08:43:31,942 INFO L226 Difference]: Without dead ends: 111 [2021-08-26 08:43:31,944 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 08:43:31,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-08-26 08:43:31,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-08-26 08:43:31,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 108 states have (on average 1.5092592592592593) internal successors, (163), 110 states have internal predecessors, (163), 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 08:43:31,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2021-08-26 08:43:31,968 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 18 [2021-08-26 08:43:31,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:31,968 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2021-08-26 08:43:31,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 08:43:31,968 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2021-08-26 08:43:31,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-26 08:43:31,969 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:31,969 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:31,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:43:31,970 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 08:43:31,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:31,970 INFO L82 PathProgramCache]: Analyzing trace with hash -2091979741, now seen corresponding path program 1 times [2021-08-26 08:43:31,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:31,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387454879] [2021-08-26 08:43:31,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:31,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:32,021 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 08:43:32,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:32,022 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387454879] [2021-08-26 08:43:32,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387454879] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:32,022 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:32,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:43:32,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629293836] [2021-08-26 08:43:32,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:32,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:32,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:32,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:32,025 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 08:43:32,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:32,032 INFO L93 Difference]: Finished difference Result 111 states and 163 transitions. [2021-08-26 08:43:32,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:32,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2021-08-26 08:43:32,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:32,033 INFO L225 Difference]: With dead ends: 111 [2021-08-26 08:43:32,033 INFO L226 Difference]: Without dead ends: 47 [2021-08-26 08:43:32,034 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:32,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-08-26 08:43:32,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-08-26 08:43:32,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 46 states have internal predecessors, (68), 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 08:43:32,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-08-26 08:43:32,037 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2021-08-26 08:43:32,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:32,037 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-08-26 08:43:32,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 08:43:32,038 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-08-26 08:43:32,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-26 08:43:32,038 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:32,038 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 08:43:32,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:43:32,039 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 08:43:32,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:32,039 INFO L82 PathProgramCache]: Analyzing trace with hash -450570441, now seen corresponding path program 1 times [2021-08-26 08:43:32,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:32,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14242034] [2021-08-26 08:43:32,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:32,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:32,097 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 08:43:32,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:32,098 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14242034] [2021-08-26 08:43:32,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14242034] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:32,098 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:32,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:43:32,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462022526] [2021-08-26 08:43:32,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:32,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:32,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:32,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:32,100 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 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 08:43:32,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:32,126 INFO L93 Difference]: Finished difference Result 87 states and 129 transitions. [2021-08-26 08:43:32,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:43:32,127 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 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 08:43:32,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:32,128 INFO L225 Difference]: With dead ends: 87 [2021-08-26 08:43:32,128 INFO L226 Difference]: Without dead ends: 47 [2021-08-26 08:43:32,128 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:43:32,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-08-26 08:43:32,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-08-26 08:43:32,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 46 states have internal predecessors, (67), 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 08:43:32,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-08-26 08:43:32,132 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2021-08-26 08:43:32,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:32,132 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-08-26 08:43:32,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 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 08:43:32,132 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-08-26 08:43:32,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 08:43:32,133 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:32,133 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 08:43:32,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:43:32,133 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 08:43:32,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:32,134 INFO L82 PathProgramCache]: Analyzing trace with hash 2097991918, now seen corresponding path program 1 times [2021-08-26 08:43:32,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:32,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923339231] [2021-08-26 08:43:32,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:32,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:32,169 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 08:43:32,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:32,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923339231] [2021-08-26 08:43:32,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923339231] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:32,170 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:32,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:32,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555013967] [2021-08-26 08:43:32,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:32,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:32,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:32,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:32,171 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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 08:43:32,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:32,189 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2021-08-26 08:43:32,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:32,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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 08:43:32,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:32,190 INFO L225 Difference]: With dead ends: 109 [2021-08-26 08:43:32,190 INFO L226 Difference]: Without dead ends: 69 [2021-08-26 08:43:32,191 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 08:43:32,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-08-26 08:43:32,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2021-08-26 08:43:32,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.4393939393939394) internal successors, (95), 66 states have internal predecessors, (95), 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 08:43:32,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2021-08-26 08:43:32,195 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 26 [2021-08-26 08:43:32,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:32,196 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2021-08-26 08:43:32,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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 08:43:32,196 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2021-08-26 08:43:32,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-26 08:43:32,197 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:32,197 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] [2021-08-26 08:43:32,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:43:32,197 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 08:43:32,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:32,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1303227430, now seen corresponding path program 1 times [2021-08-26 08:43:32,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:32,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447444240] [2021-08-26 08:43:32,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:32,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:32,244 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 08:43:32,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:32,244 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447444240] [2021-08-26 08:43:32,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447444240] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:32,244 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:32,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:32,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632051205] [2021-08-26 08:43:32,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:32,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:32,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:32,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:32,246 INFO L87 Difference]: Start difference. First operand 67 states and 95 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 08:43:32,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:32,311 INFO L93 Difference]: Finished difference Result 313 states and 456 transitions. [2021-08-26 08:43:32,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 08:43:32,312 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 32 [2021-08-26 08:43:32,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:32,313 INFO L225 Difference]: With dead ends: 313 [2021-08-26 08:43:32,313 INFO L226 Difference]: Without dead ends: 253 [2021-08-26 08:43:32,314 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 24.7ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:43:32,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2021-08-26 08:43:32,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 119. [2021-08-26 08:43:32,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 118 states have (on average 1.423728813559322) internal successors, (168), 118 states have internal predecessors, (168), 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 08:43:32,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2021-08-26 08:43:32,323 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 32 [2021-08-26 08:43:32,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:32,323 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2021-08-26 08:43:32,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 08:43:32,324 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2021-08-26 08:43:32,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:43:32,325 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:32,325 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] [2021-08-26 08:43:32,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:43:32,325 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 08:43:32,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:32,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1303383966, now seen corresponding path program 1 times [2021-08-26 08:43:32,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:32,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729547907] [2021-08-26 08:43:32,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:32,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:32,365 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 08:43:32,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:32,366 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729547907] [2021-08-26 08:43:32,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729547907] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:32,366 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:32,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:32,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837705070] [2021-08-26 08:43:32,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:32,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:32,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:32,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:32,368 INFO L87 Difference]: Start difference. First operand 119 states and 168 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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 08:43:32,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:32,458 INFO L93 Difference]: Finished difference Result 436 states and 623 transitions. [2021-08-26 08:43:32,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 08:43:32,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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 33 [2021-08-26 08:43:32,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:32,460 INFO L225 Difference]: With dead ends: 436 [2021-08-26 08:43:32,460 INFO L226 Difference]: Without dead ends: 324 [2021-08-26 08:43:32,462 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 23.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:43:32,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-08-26 08:43:32,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 118. [2021-08-26 08:43:32,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.4102564102564104) internal successors, (165), 117 states have internal predecessors, (165), 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 08:43:32,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 165 transitions. [2021-08-26 08:43:32,478 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 165 transitions. Word has length 33 [2021-08-26 08:43:32,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:32,479 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 165 transitions. [2021-08-26 08:43:32,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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 08:43:32,479 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 165 transitions. [2021-08-26 08:43:32,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:43:32,483 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:32,483 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] [2021-08-26 08:43:32,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 08:43:32,483 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 08:43:32,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:32,484 INFO L82 PathProgramCache]: Analyzing trace with hash 2058119621, now seen corresponding path program 1 times [2021-08-26 08:43:32,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:32,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986570732] [2021-08-26 08:43:32,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:32,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:32,572 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 08:43:32,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:32,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986570732] [2021-08-26 08:43:32,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986570732] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:32,573 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:32,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:43:32,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790910430] [2021-08-26 08:43:32,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:32,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:32,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:32,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:32,575 INFO L87 Difference]: Start difference. First operand 118 states and 165 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 08:43:32,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:32,616 INFO L93 Difference]: Finished difference Result 315 states and 437 transitions. [2021-08-26 08:43:32,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:43:32,617 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 33 [2021-08-26 08:43:32,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:32,617 INFO L225 Difference]: With dead ends: 315 [2021-08-26 08:43:32,618 INFO L226 Difference]: Without dead ends: 204 [2021-08-26 08:43:32,620 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:43:32,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-08-26 08:43:32,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 130. [2021-08-26 08:43:32,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 1.372093023255814) internal successors, (177), 129 states have internal predecessors, (177), 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 08:43:32,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 177 transitions. [2021-08-26 08:43:32,640 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 177 transitions. Word has length 33 [2021-08-26 08:43:32,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:32,640 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 177 transitions. [2021-08-26 08:43:32,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 08:43:32,641 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 177 transitions. [2021-08-26 08:43:32,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:43:32,641 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:32,641 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] [2021-08-26 08:43:32,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 08:43:32,642 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 08:43:32,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:32,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1535783097, now seen corresponding path program 1 times [2021-08-26 08:43:32,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:32,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134269209] [2021-08-26 08:43:32,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:32,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:32,723 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 08:43:32,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:32,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134269209] [2021-08-26 08:43:32,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134269209] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:32,724 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:32,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:43:32,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896275472] [2021-08-26 08:43:32,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:43:32,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:32,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:43:32,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:43:32,725 INFO L87 Difference]: Start difference. First operand 130 states and 177 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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 08:43:32,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:32,781 INFO L93 Difference]: Finished difference Result 349 states and 471 transitions. [2021-08-26 08:43:32,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:43:32,782 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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 33 [2021-08-26 08:43:32,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:32,783 INFO L225 Difference]: With dead ends: 349 [2021-08-26 08:43:32,783 INFO L226 Difference]: Without dead ends: 226 [2021-08-26 08:43:32,783 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 31.8ms TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-08-26 08:43:32,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2021-08-26 08:43:32,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 138. [2021-08-26 08:43:32,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 137 states have (on average 1.3503649635036497) internal successors, (185), 137 states have internal predecessors, (185), 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 08:43:32,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 185 transitions. [2021-08-26 08:43:32,791 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 185 transitions. Word has length 33 [2021-08-26 08:43:32,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:32,791 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 185 transitions. [2021-08-26 08:43:32,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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 08:43:32,791 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 185 transitions. [2021-08-26 08:43:32,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:43:32,792 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:32,792 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] [2021-08-26 08:43:32,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 08:43:32,793 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 08:43:32,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:32,793 INFO L82 PathProgramCache]: Analyzing trace with hash -2122589111, now seen corresponding path program 1 times [2021-08-26 08:43:32,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:32,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100116385] [2021-08-26 08:43:32,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:32,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:32,817 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 08:43:32,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:32,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100116385] [2021-08-26 08:43:32,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100116385] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:32,818 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:32,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:32,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531934237] [2021-08-26 08:43:32,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:32,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:32,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:32,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:32,819 INFO L87 Difference]: Start difference. First operand 138 states and 185 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 08:43:32,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:32,835 INFO L93 Difference]: Finished difference Result 319 states and 427 transitions. [2021-08-26 08:43:32,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:32,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 33 [2021-08-26 08:43:32,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:32,837 INFO L225 Difference]: With dead ends: 319 [2021-08-26 08:43:32,837 INFO L226 Difference]: Without dead ends: 188 [2021-08-26 08:43:32,837 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:32,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-08-26 08:43:32,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2021-08-26 08:43:32,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 187 states have (on average 1.3101604278074865) internal successors, (245), 187 states have internal predecessors, (245), 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 08:43:32,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 245 transitions. [2021-08-26 08:43:32,855 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 245 transitions. Word has length 33 [2021-08-26 08:43:32,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:32,857 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 245 transitions. [2021-08-26 08:43:32,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 08:43:32,857 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 245 transitions. [2021-08-26 08:43:32,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:43:32,858 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:32,859 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 08:43:32,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 08:43:32,859 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 08:43:32,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:32,859 INFO L82 PathProgramCache]: Analyzing trace with hash -227956983, now seen corresponding path program 1 times [2021-08-26 08:43:32,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:32,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609428491] [2021-08-26 08:43:32,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:32,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:32,905 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 08:43:32,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:32,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609428491] [2021-08-26 08:43:32,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609428491] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:32,906 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:32,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:43:32,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938946289] [2021-08-26 08:43:32,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:32,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:32,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:32,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:32,908 INFO L87 Difference]: Start difference. First operand 188 states and 245 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 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 08:43:32,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:32,944 INFO L93 Difference]: Finished difference Result 287 states and 377 transitions. [2021-08-26 08:43:32,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:32,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 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 08:43:32,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:32,945 INFO L225 Difference]: With dead ends: 287 [2021-08-26 08:43:32,946 INFO L226 Difference]: Without dead ends: 285 [2021-08-26 08:43:32,946 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:32,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-08-26 08:43:32,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 228. [2021-08-26 08:43:32,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 227 states have (on average 1.3392070484581498) internal successors, (304), 227 states have internal predecessors, (304), 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 08:43:32,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 304 transitions. [2021-08-26 08:43:32,971 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 304 transitions. Word has length 34 [2021-08-26 08:43:32,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:32,971 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 304 transitions. [2021-08-26 08:43:32,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 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 08:43:32,971 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 304 transitions. [2021-08-26 08:43:32,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-08-26 08:43:32,971 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:32,972 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:32,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-26 08:43:32,972 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 08:43:32,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:32,972 INFO L82 PathProgramCache]: Analyzing trace with hash 905558712, now seen corresponding path program 1 times [2021-08-26 08:43:32,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:32,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001576058] [2021-08-26 08:43:32,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:32,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:33,047 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-26 08:43:33,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:33,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001576058] [2021-08-26 08:43:33,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001576058] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:33,048 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:33,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:43:33,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957267325] [2021-08-26 08:43:33,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:43:33,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:33,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:43:33,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:43:33,049 INFO L87 Difference]: Start difference. First operand 228 states and 304 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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 08:43:33,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:33,237 INFO L93 Difference]: Finished difference Result 720 states and 968 transitions. [2021-08-26 08:43:33,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-26 08:43:33,238 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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 56 [2021-08-26 08:43:33,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:33,240 INFO L225 Difference]: With dead ends: 720 [2021-08-26 08:43:33,241 INFO L226 Difference]: Without dead ends: 499 [2021-08-26 08:43:33,241 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 46.2ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-08-26 08:43:33,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2021-08-26 08:43:33,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 205. [2021-08-26 08:43:33,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 204 states have (on average 1.3088235294117647) internal successors, (267), 204 states have internal predecessors, (267), 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 08:43:33,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 267 transitions. [2021-08-26 08:43:33,255 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 267 transitions. Word has length 56 [2021-08-26 08:43:33,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:33,255 INFO L470 AbstractCegarLoop]: Abstraction has 205 states and 267 transitions. [2021-08-26 08:43:33,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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 08:43:33,256 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 267 transitions. [2021-08-26 08:43:33,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-08-26 08:43:33,256 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:33,256 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:33,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-26 08:43:33,257 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:33,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:33,257 INFO L82 PathProgramCache]: Analyzing trace with hash 711163183, now seen corresponding path program 1 times [2021-08-26 08:43:33,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:33,258 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14686267] [2021-08-26 08:43:33,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:33,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:33,328 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:33,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:33,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14686267] [2021-08-26 08:43:33,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14686267] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:33,333 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:33,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:43:33,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714372518] [2021-08-26 08:43:33,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:33,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:33,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:33,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:33,334 INFO L87 Difference]: Start difference. First operand 205 states and 267 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 08:43:33,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:33,455 INFO L93 Difference]: Finished difference Result 325 states and 432 transitions. [2021-08-26 08:43:33,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:43:33,455 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 58 [2021-08-26 08:43:33,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:33,455 INFO L225 Difference]: With dead ends: 325 [2021-08-26 08:43:33,455 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:43:33,456 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:43:33,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:43:33,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:43:33,456 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 08:43:33,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:43:33,456 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-08-26 08:43:33,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:33,456 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:43:33,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 08:43:33,456 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:43:33,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:43:33,458 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:33,459 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:33,459 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:33,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-26 08:43:33,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:43:33,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:33,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:34,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:35,757 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-26 08:43:35,758 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 502) no Hoare annotation was computed. [2021-08-26 08:43:35,758 INFO L857 garLoopResultBuilder]: For program point L498-3(lines 498 502) no Hoare annotation was computed. [2021-08-26 08:43:35,758 INFO L857 garLoopResultBuilder]: For program point L498-6(lines 498 502) no Hoare annotation was computed. [2021-08-26 08:43:35,758 INFO L857 garLoopResultBuilder]: For program point L367(lines 367 380) no Hoare annotation was computed. [2021-08-26 08:43:35,758 INFO L857 garLoopResultBuilder]: For program point L70(lines 70 87) no Hoare annotation was computed. [2021-08-26 08:43:35,759 INFO L853 garLoopResultBuilder]: At program point L70-1(lines 1 950) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 0) .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse7 .cse4 .cse5) (and .cse0 .cse8 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (not .cse8) .cse6 .cse3 .cse7 .cse4 .cse5))) [2021-08-26 08:43:35,759 INFO L857 garLoopResultBuilder]: For program point L70-2(lines 70 87) no Hoare annotation was computed. [2021-08-26 08:43:35,759 INFO L853 garLoopResultBuilder]: At program point L70-3(lines 1 950) the Hoare annotation is: false [2021-08-26 08:43:35,759 INFO L857 garLoopResultBuilder]: For program point L70-4(lines 70 87) no Hoare annotation was computed. [2021-08-26 08:43:35,759 INFO L853 garLoopResultBuilder]: At program point L70-5(lines 1 950) the Hoare annotation is: false [2021-08-26 08:43:35,759 INFO L857 garLoopResultBuilder]: For program point L203(lines 203 220) no Hoare annotation was computed. [2021-08-26 08:43:35,759 INFO L857 garLoopResultBuilder]: For program point L203-1(lines 203 220) no Hoare annotation was computed. [2021-08-26 08:43:35,759 INFO L857 garLoopResultBuilder]: For program point L203-2(lines 203 220) no Hoare annotation was computed. [2021-08-26 08:43:35,760 INFO L853 garLoopResultBuilder]: At program point L535(lines 530 538) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~5 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse3 .cse4))) [2021-08-26 08:43:35,760 INFO L853 garLoopResultBuilder]: At program point L535-1(lines 530 538) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse4 .cse5) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-08-26 08:43:35,760 INFO L853 garLoopResultBuilder]: At program point L535-2(lines 530 538) the Hoare annotation is: false [2021-08-26 08:43:35,760 INFO L853 garLoopResultBuilder]: At program point L535-3(lines 530 538) the Hoare annotation is: false [2021-08-26 08:43:35,760 INFO L853 garLoopResultBuilder]: At program point L535-4(lines 530 538) the Hoare annotation is: false [2021-08-26 08:43:35,760 INFO L853 garLoopResultBuilder]: At program point L535-5(lines 530 538) the Hoare annotation is: false [2021-08-26 08:43:35,760 INFO L857 garLoopResultBuilder]: For program point L338(lines 337 384) no Hoare annotation was computed. [2021-08-26 08:43:35,761 INFO L857 garLoopResultBuilder]: For program point L305(lines 305 309) no Hoare annotation was computed. [2021-08-26 08:43:35,761 INFO L857 garLoopResultBuilder]: For program point L305-2(lines 305 309) no Hoare annotation was computed. [2021-08-26 08:43:35,761 INFO L857 garLoopResultBuilder]: For program point L305-3(lines 305 309) no Hoare annotation was computed. [2021-08-26 08:43:35,761 INFO L857 garLoopResultBuilder]: For program point L305-5(lines 305 309) no Hoare annotation was computed. [2021-08-26 08:43:35,761 INFO L857 garLoopResultBuilder]: For program point L305-6(lines 305 309) no Hoare annotation was computed. [2021-08-26 08:43:35,761 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 84) no Hoare annotation was computed. [2021-08-26 08:43:35,761 INFO L857 garLoopResultBuilder]: For program point L305-8(lines 305 309) no Hoare annotation was computed. [2021-08-26 08:43:35,761 INFO L857 garLoopResultBuilder]: For program point L305-9(lines 305 309) no Hoare annotation was computed. [2021-08-26 08:43:35,762 INFO L857 garLoopResultBuilder]: For program point L74-2(lines 74 84) no Hoare annotation was computed. [2021-08-26 08:43:35,762 INFO L857 garLoopResultBuilder]: For program point L305-11(lines 305 309) no Hoare annotation was computed. [2021-08-26 08:43:35,762 INFO L857 garLoopResultBuilder]: For program point L74-4(lines 74 84) no Hoare annotation was computed. [2021-08-26 08:43:35,762 INFO L857 garLoopResultBuilder]: For program point L305-12(lines 305 309) no Hoare annotation was computed. [2021-08-26 08:43:35,762 INFO L857 garLoopResultBuilder]: For program point L305-14(lines 305 309) no Hoare annotation was computed. [2021-08-26 08:43:35,762 INFO L857 garLoopResultBuilder]: For program point L305-15(lines 305 309) no Hoare annotation was computed. [2021-08-26 08:43:35,762 INFO L857 garLoopResultBuilder]: For program point L305-17(lines 305 309) no Hoare annotation was computed. [2021-08-26 08:43:35,762 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2021-08-26 08:43:35,762 INFO L853 garLoopResultBuilder]: At program point L405-2(lines 405 419) the Hoare annotation is: false [2021-08-26 08:43:35,763 INFO L857 garLoopResultBuilder]: For program point L207(lines 207 215) no Hoare annotation was computed. [2021-08-26 08:43:35,763 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 207 215) no Hoare annotation was computed. [2021-08-26 08:43:35,763 INFO L857 garLoopResultBuilder]: For program point L207-2(lines 207 215) no Hoare annotation was computed. [2021-08-26 08:43:35,763 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-08-26 08:43:35,763 INFO L857 garLoopResultBuilder]: For program point L75-2(lines 75 81) no Hoare annotation was computed. [2021-08-26 08:43:35,763 INFO L857 garLoopResultBuilder]: For program point L75-4(lines 75 81) no Hoare annotation was computed. [2021-08-26 08:43:35,763 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-26 08:43:35,763 INFO L857 garLoopResultBuilder]: For program point L406(line 406) no Hoare annotation was computed. [2021-08-26 08:43:35,764 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2021-08-26 08:43:35,764 INFO L853 garLoopResultBuilder]: At program point L375-2(lines 145 151) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (not (= ~pumpRunning~0 0))) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse4 .cse5))) [2021-08-26 08:43:35,764 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 194) no Hoare annotation was computed. [2021-08-26 08:43:35,764 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 177 194) no Hoare annotation was computed. [2021-08-26 08:43:35,764 INFO L857 garLoopResultBuilder]: For program point L177-2(lines 177 194) no Hoare annotation was computed. [2021-08-26 08:43:35,764 INFO L857 garLoopResultBuilder]: For program point L177-3(lines 177 194) no Hoare annotation was computed. [2021-08-26 08:43:35,764 INFO L857 garLoopResultBuilder]: For program point L177-4(lines 177 194) no Hoare annotation was computed. [2021-08-26 08:43:35,764 INFO L857 garLoopResultBuilder]: For program point L177-5(lines 177 194) no Hoare annotation was computed. [2021-08-26 08:43:35,764 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 413) no Hoare annotation was computed. [2021-08-26 08:43:35,765 INFO L857 garLoopResultBuilder]: For program point L409-1(lines 145 151) no Hoare annotation was computed. [2021-08-26 08:43:35,765 INFO L853 garLoopResultBuilder]: At program point L145(lines 144 163) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and .cse0 (= ~methAndRunningLastTime~0 0) .cse4 .cse1 .cse2 .cse3) (and .cse0 (not (= ~pumpRunning~0 0)) .cse4 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse2 .cse3))) [2021-08-26 08:43:35,765 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 145 151) no Hoare annotation was computed. [2021-08-26 08:43:35,765 INFO L853 garLoopResultBuilder]: At program point L145-2(lines 144 163) the Hoare annotation is: false [2021-08-26 08:43:35,765 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-08-26 08:43:35,765 INFO L853 garLoopResultBuilder]: At program point L145-3(lines 144 163) the Hoare annotation is: false [2021-08-26 08:43:35,765 INFO L857 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-08-26 08:43:35,765 INFO L857 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-08-26 08:43:35,766 INFO L857 garLoopResultBuilder]: For program point L575(lines 575 581) no Hoare annotation was computed. [2021-08-26 08:43:35,766 INFO L857 garLoopResultBuilder]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2021-08-26 08:43:35,766 INFO L857 garLoopResultBuilder]: For program point L575-2(lines 575 581) no Hoare annotation was computed. [2021-08-26 08:43:35,766 INFO L857 garLoopResultBuilder]: For program point L575-3(lines 575 581) no Hoare annotation was computed. [2021-08-26 08:43:35,766 INFO L857 garLoopResultBuilder]: For program point L575-4(lines 575 581) no Hoare annotation was computed. [2021-08-26 08:43:35,766 INFO L857 garLoopResultBuilder]: For program point L575-5(lines 575 581) no Hoare annotation was computed. [2021-08-26 08:43:35,766 INFO L853 garLoopResultBuilder]: At program point L311(lines 296 314) the Hoare annotation is: false [2021-08-26 08:43:35,767 INFO L853 garLoopResultBuilder]: At program point L311-1(lines 296 314) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) .cse4 .cse5) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5))) [2021-08-26 08:43:35,767 INFO L853 garLoopResultBuilder]: At program point L311-2(lines 296 314) the Hoare annotation is: false [2021-08-26 08:43:35,767 INFO L853 garLoopResultBuilder]: At program point L311-3(lines 296 314) the Hoare annotation is: false [2021-08-26 08:43:35,767 INFO L853 garLoopResultBuilder]: At program point L311-4(lines 296 314) the Hoare annotation is: false [2021-08-26 08:43:35,767 INFO L853 garLoopResultBuilder]: At program point L311-5(lines 296 314) the Hoare annotation is: false [2021-08-26 08:43:35,767 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 514) no Hoare annotation was computed. [2021-08-26 08:43:35,767 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 484) no Hoare annotation was computed. [2021-08-26 08:43:35,767 INFO L860 garLoopResultBuilder]: At program point L477-1(lines 477 484) the Hoare annotation is: true [2021-08-26 08:43:35,768 INFO L853 garLoopResultBuilder]: At program point L247(lines 240 250) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~5 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) (= ~methaneLevelCritical~0 1) .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse3 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4))) [2021-08-26 08:43:35,768 INFO L853 garLoopResultBuilder]: At program point L247-1(lines 240 250) the Hoare annotation is: false [2021-08-26 08:43:35,768 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 189) no Hoare annotation was computed. [2021-08-26 08:43:35,768 INFO L853 garLoopResultBuilder]: At program point L247-2(lines 240 250) the Hoare annotation is: false [2021-08-26 08:43:35,768 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 181 189) no Hoare annotation was computed. [2021-08-26 08:43:35,768 INFO L857 garLoopResultBuilder]: For program point L181-2(lines 181 189) no Hoare annotation was computed. [2021-08-26 08:43:35,768 INFO L857 garLoopResultBuilder]: For program point L181-3(lines 181 189) no Hoare annotation was computed. [2021-08-26 08:43:35,768 INFO L857 garLoopResultBuilder]: For program point L181-4(lines 181 189) no Hoare annotation was computed. [2021-08-26 08:43:35,769 INFO L857 garLoopResultBuilder]: For program point L181-5(lines 181 189) no Hoare annotation was computed. [2021-08-26 08:43:35,769 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 353) no Hoare annotation was computed. [2021-08-26 08:43:35,769 INFO L853 garLoopResultBuilder]: At program point L347-1(lines 347 353) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 0) .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse7 .cse4 .cse5) (and .cse0 .cse8 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (not .cse8) .cse6 .cse3 .cse7 .cse4 .cse5))) [2021-08-26 08:43:35,769 INFO L853 garLoopResultBuilder]: At program point L117(lines 1 950) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:43:35,769 INFO L853 garLoopResultBuilder]: At program point L580(lines 571 584) the Hoare annotation is: false [2021-08-26 08:43:35,769 INFO L853 garLoopResultBuilder]: At program point L580-1(lines 571 584) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3 .cse4 .cse5) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5))) [2021-08-26 08:43:35,769 INFO L853 garLoopResultBuilder]: At program point L580-2(lines 571 584) the Hoare annotation is: false [2021-08-26 08:43:35,769 INFO L853 garLoopResultBuilder]: At program point L580-3(lines 571 584) the Hoare annotation is: false [2021-08-26 08:43:35,770 INFO L853 garLoopResultBuilder]: At program point L580-4(lines 571 584) the Hoare annotation is: false [2021-08-26 08:43:35,770 INFO L853 garLoopResultBuilder]: At program point L580-5(lines 571 584) the Hoare annotation is: false [2021-08-26 08:43:35,770 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:43:35,770 INFO L853 garLoopResultBuilder]: At program point L152(lines 152 158) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse4 .cse1 .cse2 .cse3) (and .cse0 (= ~methAndRunningLastTime~0 0) .cse4 .cse1 .cse2 .cse3))) [2021-08-26 08:43:35,770 INFO L853 garLoopResultBuilder]: At program point L152-1(lines 152 158) the Hoare annotation is: false [2021-08-26 08:43:35,770 INFO L853 garLoopResultBuilder]: At program point L152-2(lines 152 158) the Hoare annotation is: false [2021-08-26 08:43:35,770 INFO L853 garLoopResultBuilder]: At program point L385(lines 336 386) the Hoare annotation is: false [2021-08-26 08:43:35,770 INFO L860 garLoopResultBuilder]: At program point L486(lines 467 489) the Hoare annotation is: true [2021-08-26 08:43:35,771 INFO L853 garLoopResultBuilder]: At program point L453(lines 449 455) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~5 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:43:35,771 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:43:35,771 INFO L853 garLoopResultBuilder]: At program point L256(lines 251 259) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse5 (= ULTIMATE.start_main_~tmp~5 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~methAndRunningLastTime~0 0) (not .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-08-26 08:43:35,771 INFO L853 garLoopResultBuilder]: At program point L256-1(lines 251 259) the Hoare annotation is: false [2021-08-26 08:43:35,771 INFO L853 garLoopResultBuilder]: At program point L256-2(lines 251 259) the Hoare annotation is: false [2021-08-26 08:43:35,771 INFO L853 garLoopResultBuilder]: At program point L125(lines 120 128) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:43:35,771 INFO L853 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~5 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:43:35,772 INFO L857 garLoopResultBuilder]: For program point L522(lines 522 526) no Hoare annotation was computed. [2021-08-26 08:43:35,772 INFO L857 garLoopResultBuilder]: For program point L357(lines 357 363) no Hoare annotation was computed. [2021-08-26 08:43:35,772 INFO L853 garLoopResultBuilder]: At program point L357-1(lines 357 363) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (not (= ~pumpRunning~0 0))) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse4 .cse5))) [2021-08-26 08:43:35,772 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:43:35,772 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:43:35,772 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-26 08:43:35,775 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:43:35,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:43:35 BoogieIcfgContainer [2021-08-26 08:43:35,791 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:43:35,791 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:43:35,791 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:43:35,791 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:43:35,792 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:31" (3/4) ... [2021-08-26 08:43:35,793 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:43:35,804 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:43:35,804 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:43:35,805 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:43:35,806 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:43:35,806 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:43:35,807 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:43:35,808 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:43:35,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-08-26 08:43:35,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) [2021-08-26 08:43:35,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) [2021-08-26 08:43:35,822 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && tmp == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-08-26 08:43:35,822 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && tmp == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-08-26 08:43:35,822 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-08-26 08:43:35,823 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-08-26 08:43:35,823 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-08-26 08:43:35,823 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-08-26 08:43:35,824 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-08-26 08:43:35,824 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-08-26 08:43:35,825 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-08-26 08:43:35,825 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || ((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-08-26 08:43:35,825 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-08-26 08:43:35,825 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 1) && \result == 1) && !(tmp == 0)) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-08-26 08:43:35,849 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:43:35,849 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:43:35,850 INFO L168 Benchmark]: Toolchain (without parser) took 5613.87 ms. Allocated memory was 73.4 MB in the beginning and 192.9 MB in the end (delta: 119.5 MB). Free memory was 53.3 MB in the beginning and 90.2 MB in the end (delta: -36.9 MB). Peak memory consumption was 81.3 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:35,851 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 73.4 MB. Free memory is still 54.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:43:35,851 INFO L168 Benchmark]: CACSL2BoogieTranslator took 521.24 ms. Allocated memory is still 73.4 MB. Free memory was 53.3 MB in the beginning and 48.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:35,851 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.62 ms. Allocated memory is still 73.4 MB. Free memory was 48.1 MB in the beginning and 44.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:35,851 INFO L168 Benchmark]: Boogie Preprocessor took 43.88 ms. Allocated memory is still 73.4 MB. Free memory was 44.5 MB in the beginning and 41.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:35,851 INFO L168 Benchmark]: RCFGBuilder took 818.40 ms. Allocated memory was 73.4 MB in the beginning and 104.9 MB in the end (delta: 31.5 MB). Free memory was 41.8 MB in the beginning and 80.4 MB in the end (delta: -38.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:35,852 INFO L168 Benchmark]: TraceAbstraction took 4076.68 ms. Allocated memory was 104.9 MB in the beginning and 192.9 MB in the end (delta: 88.1 MB). Free memory was 79.7 MB in the beginning and 99.6 MB in the end (delta: -19.9 MB). Peak memory consumption was 103.5 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:35,852 INFO L168 Benchmark]: Witness Printer took 58.11 ms. Allocated memory is still 192.9 MB. Free memory was 99.6 MB in the beginning and 90.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:35,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 73.4 MB. Free memory is still 54.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 521.24 ms. Allocated memory is still 73.4 MB. Free memory was 53.3 MB in the beginning and 48.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.62 ms. Allocated memory is still 73.4 MB. Free memory was 48.1 MB in the beginning and 44.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.88 ms. Allocated memory is still 73.4 MB. Free memory was 44.5 MB in the beginning and 41.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 818.40 ms. Allocated memory was 73.4 MB in the beginning and 104.9 MB in the end (delta: 31.5 MB). Free memory was 41.8 MB in the beginning and 80.4 MB in the end (delta: -38.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4076.68 ms. Allocated memory was 104.9 MB in the beginning and 192.9 MB in the end (delta: 88.1 MB). Free memory was 79.7 MB in the beginning and 99.6 MB in the end (delta: -19.9 MB). Peak memory consumption was 103.5 MB. Max. memory is 16.1 GB. * Witness Printer took 58.11 ms. Allocated memory is still 192.9 MB. Free memory was 99.6 MB in the beginning and 90.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 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: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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, 115 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4030.2ms, OverallIterations: 12, TraceHistogramMax: 2, EmptinessCheckTime: 15.6ms, AutomataDifference: 733.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2298.0ms, InitialAbstractionConstructionTime: 6.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1094 SDtfs, 1537 SDslu, 1615 SDs, 0 SdLazy, 231 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 291.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 183.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=10, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 134.7ms AutomataMinimizationTime, 12 MinimizatonAttempts, 855 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 112 NumberOfFragments, 961 HoareAnnotationTreeSize, 44 FomulaSimplifications, 213082 FormulaSimplificationTreeSizeReduction, 566.4ms HoareSimplificationTime, 44 FomulaSimplificationsInter, 28443 FormulaSimplificationTreeSizeReductionInter, 1720.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 39.3ms SsaConstructionTime, 189.5ms SatisfiabilityAnalysisTime, 448.4ms InterpolantComputationTime, 399 NumberOfCodeBlocks, 399 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 776 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 41/41 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: 144]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && tmp == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || ((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 1) && \result == 1) && !(tmp == 0)) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && tmp == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-26 08:43:35,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...