./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product40.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_product40.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 a9be1523a6442e0af65427f45826a4bf64f55b34 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 08:43:29,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:43:29,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:43:29,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:43:29,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:43:29,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:43:29,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:43:29,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:43:29,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:43:30,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:43:30,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:43:30,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:43:30,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:43:30,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:43:30,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:43:30,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:43:30,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:43:30,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:43:30,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:43:30,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:43:30,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:43:30,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:43:30,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:43:30,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:43:30,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:43:30,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:43:30,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:43:30,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:43:30,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:43:30,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:43:30,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:43:30,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:43:30,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:43:30,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:43:30,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:43:30,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:43:30,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:43:30,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:43:30,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:43:30,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:43:30,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:43:30,027 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:43:30,048 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:43:30,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:43:30,049 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:43:30,049 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:43:30,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:43:30,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:43:30,055 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:43:30,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:43:30,055 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:43:30,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:43:30,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:43:30,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:43:30,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:43:30,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:43:30,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:43:30,059 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:43:30,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:43:30,059 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:43:30,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:43:30,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:43:30,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:43:30,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:43:30,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:43:30,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:43:30,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:43:30,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:43:30,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:43:30,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:43:30,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:43:30,062 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:43:30,062 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9be1523a6442e0af65427f45826a4bf64f55b34 [2021-08-26 08:43:30,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:43:30,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:43:30,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:43:30,393 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:43:30,393 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:43:30,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2021-08-26 08:43:30,456 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69bed434e/1753f0c29e2a4d4c85b3f4a405dbf5ae/FLAG78590bea2 [2021-08-26 08:43:30,978 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:43:30,978 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2021-08-26 08:43:30,988 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69bed434e/1753f0c29e2a4d4c85b3f4a405dbf5ae/FLAG78590bea2 [2021-08-26 08:43:31,333 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69bed434e/1753f0c29e2a4d4c85b3f4a405dbf5ae [2021-08-26 08:43:31,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:43:31,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:43:31,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:43:31,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:43:31,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:43:31,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:43:31" (1/1) ... [2021-08-26 08:43:31,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b86e3cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:31, skipping insertion in model container [2021-08-26 08:43:31,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:43:31" (1/1) ... [2021-08-26 08:43:31,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:43:31,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:43:31,632 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_product40.cil.c[16678,16691] [2021-08-26 08:43:31,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:43:31,712 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:43:31,816 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_product40.cil.c[16678,16691] [2021-08-26 08:43:31,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:43:31,843 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:43:31,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:31 WrapperNode [2021-08-26 08:43:31,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:43:31,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:43:31,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:43:31,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:43:31,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:31" (1/1) ... [2021-08-26 08:43:31,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:31" (1/1) ... [2021-08-26 08:43:31,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:43:31,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:43:31,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:43:31,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:43:31,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:31" (1/1) ... [2021-08-26 08:43:31,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:31" (1/1) ... [2021-08-26 08:43:31,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:31" (1/1) ... [2021-08-26 08:43:31,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:31" (1/1) ... [2021-08-26 08:43:31,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:31" (1/1) ... [2021-08-26 08:43:31,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:31" (1/1) ... [2021-08-26 08:43:31,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:31" (1/1) ... [2021-08-26 08:43:31,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:43:31,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:43:31,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:43:31,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:43:31,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:31" (1/1) ... [2021-08-26 08:43:31,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:43:31,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:43:32,002 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 08:43:32,032 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 08:43:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:43:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:43:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:43:32,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:43:33,030 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:43:33,031 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2021-08-26 08:43:33,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:33 BoogieIcfgContainer [2021-08-26 08:43:33,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:43:33,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:43:33,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:43:33,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:43:33,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:43:31" (1/3) ... [2021-08-26 08:43:33,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740ae6cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:43:33, skipping insertion in model container [2021-08-26 08:43:33,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:31" (2/3) ... [2021-08-26 08:43:33,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740ae6cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:43:33, skipping insertion in model container [2021-08-26 08:43:33,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:33" (3/3) ... [2021-08-26 08:43:33,041 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2021-08-26 08:43:33,045 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:43:33,046 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:43:33,083 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:43:33,089 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 08:43:33,089 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:43:33,109 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 113 states have (on average 1.575221238938053) internal successors, (178), 116 states have internal predecessors, (178), 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 08:43:33,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-26 08:43:33,116 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:33,117 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 08:43:33,117 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 08:43:33,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:33,126 INFO L82 PathProgramCache]: Analyzing trace with hash 114928579, now seen corresponding path program 1 times [2021-08-26 08:43:33,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:33,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952501813] [2021-08-26 08:43:33,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:33,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:33,412 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 08:43:33,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:33,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952501813] [2021-08-26 08:43:33,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952501813] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:33,414 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:33,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:33,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205512914] [2021-08-26 08:43:33,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:43:33,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:33,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:43:33,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:43:33,432 INFO L87 Difference]: Start difference. First operand has 117 states, 113 states have (on average 1.575221238938053) internal successors, (178), 116 states have internal predecessors, (178), 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 08:43:33,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:33,456 INFO L93 Difference]: Finished difference Result 227 states and 348 transitions. [2021-08-26 08:43:33,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:43:33,457 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 08:43:33,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:33,472 INFO L225 Difference]: With dead ends: 227 [2021-08-26 08:43:33,472 INFO L226 Difference]: Without dead ends: 113 [2021-08-26 08:43:33,475 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 08:43:33,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-08-26 08:43:33,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-08-26 08:43:33,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 110 states have (on average 1.509090909090909) internal successors, (166), 112 states have internal predecessors, (166), 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 08:43:33,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2021-08-26 08:43:33,520 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 18 [2021-08-26 08:43:33,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:33,521 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2021-08-26 08:43:33,521 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 08:43:33,521 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2021-08-26 08:43:33,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-26 08:43:33,522 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:33,522 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 08:43:33,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:43:33,523 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 08:43:33,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:33,524 INFO L82 PathProgramCache]: Analyzing trace with hash -483581501, now seen corresponding path program 1 times [2021-08-26 08:43:33,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:33,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317641676] [2021-08-26 08:43:33,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:33,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:33,596 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 08:43:33,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:33,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317641676] [2021-08-26 08:43:33,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317641676] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:33,598 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:33,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:43:33,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937984337] [2021-08-26 08:43:33,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:33,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:33,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:33,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:33,601 INFO L87 Difference]: Start difference. First operand 113 states and 166 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 08:43:33,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:33,613 INFO L93 Difference]: Finished difference Result 113 states and 166 transitions. [2021-08-26 08:43:33,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:33,614 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 08:43:33,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:33,615 INFO L225 Difference]: With dead ends: 113 [2021-08-26 08:43:33,615 INFO L226 Difference]: Without dead ends: 49 [2021-08-26 08:43:33,616 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:33,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-08-26 08:43:33,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-08-26 08:43:33,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 48 states have internal predecessors, (71), 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 08:43:33,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-08-26 08:43:33,621 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-08-26 08:43:33,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:33,622 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-08-26 08:43:33,622 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 08:43:33,622 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-08-26 08:43:33,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-26 08:43:33,623 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:33,623 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 08:43:33,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:43:33,623 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 08:43:33,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:33,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1368517952, now seen corresponding path program 1 times [2021-08-26 08:43:33,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:33,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103026802] [2021-08-26 08:43:33,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:33,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:33,724 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 08:43:33,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:33,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103026802] [2021-08-26 08:43:33,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103026802] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:33,726 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:33,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:43:33,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18779379] [2021-08-26 08:43:33,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:33,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:33,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:33,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:33,733 INFO L87 Difference]: Start difference. First operand 49 states and 71 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 08:43:33,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:33,844 INFO L93 Difference]: Finished difference Result 115 states and 171 transitions. [2021-08-26 08:43:33,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:43:33,869 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 08:43:33,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:33,870 INFO L225 Difference]: With dead ends: 115 [2021-08-26 08:43:33,870 INFO L226 Difference]: Without dead ends: 73 [2021-08-26 08:43:33,871 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 64.8ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:43:33,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-08-26 08:43:33,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2021-08-26 08:43:33,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.5) internal successors, (102), 68 states have internal predecessors, (102), 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 08:43:33,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 102 transitions. [2021-08-26 08:43:33,879 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 102 transitions. Word has length 24 [2021-08-26 08:43:33,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:33,879 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 102 transitions. [2021-08-26 08:43:33,879 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 08:43:33,880 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2021-08-26 08:43:33,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 08:43:33,880 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:33,880 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 08:43:33,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:43:33,881 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 08:43:33,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:33,881 INFO L82 PathProgramCache]: Analyzing trace with hash 418729815, now seen corresponding path program 1 times [2021-08-26 08:43:33,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:33,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439664818] [2021-08-26 08:43:33,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:33,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:33,954 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 08:43:33,955 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:33,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439664818] [2021-08-26 08:43:33,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439664818] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:33,959 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:33,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:33,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356700701] [2021-08-26 08:43:33,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:33,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:33,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:33,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:33,961 INFO L87 Difference]: Start difference. First operand 69 states and 102 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 08:43:34,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:34,021 INFO L93 Difference]: Finished difference Result 153 states and 229 transitions. [2021-08-26 08:43:34,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:34,022 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 08:43:34,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:34,025 INFO L225 Difference]: With dead ends: 153 [2021-08-26 08:43:34,026 INFO L226 Difference]: Without dead ends: 91 [2021-08-26 08:43:34,029 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:34,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-08-26 08:43:34,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2021-08-26 08:43:34,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 88 states have (on average 1.4545454545454546) internal successors, (128), 88 states have internal predecessors, (128), 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 08:43:34,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 128 transitions. [2021-08-26 08:43:34,051 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 128 transitions. Word has length 26 [2021-08-26 08:43:34,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:34,052 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 128 transitions. [2021-08-26 08:43:34,052 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 08:43:34,052 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2021-08-26 08:43:34,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-08-26 08:43:34,056 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:34,056 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] [2021-08-26 08:43:34,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:43:34,056 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 08:43:34,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:34,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1090172169, now seen corresponding path program 1 times [2021-08-26 08:43:34,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:34,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458027926] [2021-08-26 08:43:34,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:34,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:34,158 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 08:43:34,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:34,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458027926] [2021-08-26 08:43:34,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458027926] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:34,159 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:34,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:34,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046082490] [2021-08-26 08:43:34,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:34,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:34,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:34,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:34,162 INFO L87 Difference]: Start difference. First operand 89 states and 128 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 08:43:34,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:34,316 INFO L93 Difference]: Finished difference Result 420 states and 614 transitions. [2021-08-26 08:43:34,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 08:43:34,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 27 [2021-08-26 08:43:34,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:34,319 INFO L225 Difference]: With dead ends: 420 [2021-08-26 08:43:34,319 INFO L226 Difference]: Without dead ends: 338 [2021-08-26 08:43:34,320 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 71.6ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:43:34,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2021-08-26 08:43:34,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 160. [2021-08-26 08:43:34,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 1.4276729559748427) internal successors, (227), 159 states have internal predecessors, (227), 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 08:43:34,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 227 transitions. [2021-08-26 08:43:34,353 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 227 transitions. Word has length 27 [2021-08-26 08:43:34,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:34,354 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 227 transitions. [2021-08-26 08:43:34,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 08:43:34,354 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 227 transitions. [2021-08-26 08:43:34,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-26 08:43:34,356 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:34,356 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] [2021-08-26 08:43:34,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:43:34,357 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 08:43:34,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:34,358 INFO L82 PathProgramCache]: Analyzing trace with hash -343972991, now seen corresponding path program 1 times [2021-08-26 08:43:34,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:34,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748155014] [2021-08-26 08:43:34,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:34,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:34,490 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 08:43:34,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:34,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748155014] [2021-08-26 08:43:34,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748155014] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:34,491 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:34,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:34,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452987411] [2021-08-26 08:43:34,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:34,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:34,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:34,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:34,492 INFO L87 Difference]: Start difference. First operand 160 states and 227 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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 08:43:34,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:34,717 INFO L93 Difference]: Finished difference Result 589 states and 841 transitions. [2021-08-26 08:43:34,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 08:43:34,718 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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 28 [2021-08-26 08:43:34,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:34,720 INFO L225 Difference]: With dead ends: 589 [2021-08-26 08:43:34,721 INFO L226 Difference]: Without dead ends: 436 [2021-08-26 08:43:34,723 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 98.6ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:43:34,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2021-08-26 08:43:34,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 158. [2021-08-26 08:43:34,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.4076433121019107) internal successors, (221), 157 states have internal predecessors, (221), 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 08:43:34,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 221 transitions. [2021-08-26 08:43:34,736 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 221 transitions. Word has length 28 [2021-08-26 08:43:34,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:34,736 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 221 transitions. [2021-08-26 08:43:34,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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 08:43:34,736 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 221 transitions. [2021-08-26 08:43:34,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:43:34,737 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:34,737 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 08:43:34,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 08:43:34,738 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 08:43:34,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:34,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1676975922, now seen corresponding path program 1 times [2021-08-26 08:43:34,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:34,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931547588] [2021-08-26 08:43:34,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:34,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:34,815 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 08:43:34,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:34,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931547588] [2021-08-26 08:43:34,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931547588] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:34,816 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:34,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:43:34,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130396854] [2021-08-26 08:43:34,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:34,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:34,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:34,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:34,817 INFO L87 Difference]: Start difference. First operand 158 states and 221 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 08:43:34,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:34,916 INFO L93 Difference]: Finished difference Result 471 states and 653 transitions. [2021-08-26 08:43:34,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:43:34,917 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 08:43:34,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:34,920 INFO L225 Difference]: With dead ends: 471 [2021-08-26 08:43:34,920 INFO L226 Difference]: Without dead ends: 320 [2021-08-26 08:43:34,921 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:43:34,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2021-08-26 08:43:34,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 170. [2021-08-26 08:43:34,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 169 states have (on average 1.378698224852071) internal successors, (233), 169 states have internal predecessors, (233), 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 08:43:34,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 233 transitions. [2021-08-26 08:43:34,938 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 233 transitions. Word has length 33 [2021-08-26 08:43:34,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:34,939 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 233 transitions. [2021-08-26 08:43:34,939 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 08:43:34,939 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 233 transitions. [2021-08-26 08:43:34,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:43:34,941 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:34,941 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 08:43:34,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 08:43:34,942 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 08:43:34,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:34,942 INFO L82 PathProgramCache]: Analyzing trace with hash -975911344, now seen corresponding path program 1 times [2021-08-26 08:43:34,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:34,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883097711] [2021-08-26 08:43:34,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:34,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:34,995 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 08:43:34,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:34,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883097711] [2021-08-26 08:43:34,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883097711] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:34,995 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:34,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:34,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802972012] [2021-08-26 08:43:34,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:43:34,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:34,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:43:34,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:43:34,997 INFO L87 Difference]: Start difference. First operand 170 states and 233 transitions. Second operand has 4 states, 4 states have (on average 8.25) 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 08:43:35,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:35,071 INFO L93 Difference]: Finished difference Result 429 states and 585 transitions. [2021-08-26 08:43:35,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 08:43:35,072 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) 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 08:43:35,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:35,073 INFO L225 Difference]: With dead ends: 429 [2021-08-26 08:43:35,073 INFO L226 Difference]: Without dead ends: 266 [2021-08-26 08:43:35,074 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:35,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-08-26 08:43:35,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 178. [2021-08-26 08:43:35,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 177 states have (on average 1.3615819209039548) internal successors, (241), 177 states have internal predecessors, (241), 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 08:43:35,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 241 transitions. [2021-08-26 08:43:35,091 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 241 transitions. Word has length 33 [2021-08-26 08:43:35,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:35,091 INFO L470 AbstractCegarLoop]: Abstraction has 178 states and 241 transitions. [2021-08-26 08:43:35,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) 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 08:43:35,091 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 241 transitions. [2021-08-26 08:43:35,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:43:35,092 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:35,092 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 08:43:35,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 08:43:35,093 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 08:43:35,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:35,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1562717358, now seen corresponding path program 1 times [2021-08-26 08:43:35,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:35,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198533159] [2021-08-26 08:43:35,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:35,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:35,130 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 08:43:35,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:35,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198533159] [2021-08-26 08:43:35,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198533159] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:35,131 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:35,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:35,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255714991] [2021-08-26 08:43:35,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:35,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:35,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:35,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:35,132 INFO L87 Difference]: Start difference. First operand 178 states and 241 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 08:43:35,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:35,170 INFO L93 Difference]: Finished difference Result 437 states and 591 transitions. [2021-08-26 08:43:35,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:35,171 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 08:43:35,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:35,172 INFO L225 Difference]: With dead ends: 437 [2021-08-26 08:43:35,172 INFO L226 Difference]: Without dead ends: 266 [2021-08-26 08:43:35,173 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:35,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-08-26 08:43:35,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2021-08-26 08:43:35,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 265 states have (on average 1.3245283018867924) internal successors, (351), 265 states have internal predecessors, (351), 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 08:43:35,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 351 transitions. [2021-08-26 08:43:35,193 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 351 transitions. Word has length 33 [2021-08-26 08:43:35,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:35,193 INFO L470 AbstractCegarLoop]: Abstraction has 266 states and 351 transitions. [2021-08-26 08:43:35,193 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 08:43:35,193 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 351 transitions. [2021-08-26 08:43:35,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:43:35,194 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:35,194 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 08:43:35,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 08:43:35,194 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 08:43:35,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:35,195 INFO L82 PathProgramCache]: Analyzing trace with hash 331914770, now seen corresponding path program 1 times [2021-08-26 08:43:35,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:35,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225968545] [2021-08-26 08:43:35,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:35,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:35,246 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 08:43:35,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:35,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225968545] [2021-08-26 08:43:35,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225968545] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:35,246 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:35,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:43:35,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917606461] [2021-08-26 08:43:35,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:35,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:35,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:35,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:35,248 INFO L87 Difference]: Start difference. First operand 266 states and 351 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 08:43:35,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:35,293 INFO L93 Difference]: Finished difference Result 381 states and 504 transitions. [2021-08-26 08:43:35,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:35,294 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 08:43:35,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:35,296 INFO L225 Difference]: With dead ends: 381 [2021-08-26 08:43:35,296 INFO L226 Difference]: Without dead ends: 379 [2021-08-26 08:43:35,296 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:35,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2021-08-26 08:43:35,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 310. [2021-08-26 08:43:35,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 309 states have (on average 1.3462783171521036) internal successors, (416), 309 states have internal predecessors, (416), 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 08:43:35,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 416 transitions. [2021-08-26 08:43:35,322 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 416 transitions. Word has length 34 [2021-08-26 08:43:35,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:35,322 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 416 transitions. [2021-08-26 08:43:35,322 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 08:43:35,322 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 416 transitions. [2021-08-26 08:43:35,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-08-26 08:43:35,323 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:35,323 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 08:43:35,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-26 08:43:35,323 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 08:43:35,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:35,324 INFO L82 PathProgramCache]: Analyzing trace with hash 351981025, now seen corresponding path program 1 times [2021-08-26 08:43:35,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:35,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157656502] [2021-08-26 08:43:35,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:35,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:35,409 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 08:43:35,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:35,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157656502] [2021-08-26 08:43:35,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157656502] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:35,409 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:35,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:43:35,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618965100] [2021-08-26 08:43:35,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:43:35,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:35,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:43:35,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:43:35,411 INFO L87 Difference]: Start difference. First operand 310 states and 416 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 08:43:35,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:35,755 INFO L93 Difference]: Finished difference Result 1038 states and 1406 transitions. [2021-08-26 08:43:35,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-26 08:43:35,756 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 08:43:35,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:35,760 INFO L225 Difference]: With dead ends: 1038 [2021-08-26 08:43:35,761 INFO L226 Difference]: Without dead ends: 735 [2021-08-26 08:43:35,761 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 131.4ms TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-08-26 08:43:35,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2021-08-26 08:43:35,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 287. [2021-08-26 08:43:35,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 286 states have (on average 1.3181818181818181) internal successors, (377), 286 states have internal predecessors, (377), 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 08:43:35,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 377 transitions. [2021-08-26 08:43:35,788 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 377 transitions. Word has length 56 [2021-08-26 08:43:35,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:35,788 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 377 transitions. [2021-08-26 08:43:35,788 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 08:43:35,789 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 377 transitions. [2021-08-26 08:43:35,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-08-26 08:43:35,801 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:35,802 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 08:43:35,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-26 08:43:35,802 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 08:43:35,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:35,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1298950968, now seen corresponding path program 1 times [2021-08-26 08:43:35,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:35,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981640887] [2021-08-26 08:43:35,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:35,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:35,900 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 08:43:35,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:35,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981640887] [2021-08-26 08:43:35,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981640887] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:35,901 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:35,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:43:35,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214162661] [2021-08-26 08:43:35,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:35,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:35,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:35,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:35,902 INFO L87 Difference]: Start difference. First operand 287 states and 377 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 08:43:36,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:36,029 INFO L93 Difference]: Finished difference Result 467 states and 624 transitions. [2021-08-26 08:43:36,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:43:36,030 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 08:43:36,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:36,031 INFO L225 Difference]: With dead ends: 467 [2021-08-26 08:43:36,032 INFO L226 Difference]: Without dead ends: 275 [2021-08-26 08:43:36,032 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 44.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:43:36,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2021-08-26 08:43:36,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 271. [2021-08-26 08:43:36,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 270 states have (on average 1.2851851851851852) internal successors, (347), 270 states have internal predecessors, (347), 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 08:43:36,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 347 transitions. [2021-08-26 08:43:36,052 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 347 transitions. Word has length 58 [2021-08-26 08:43:36,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:36,053 INFO L470 AbstractCegarLoop]: Abstraction has 271 states and 347 transitions. [2021-08-26 08:43:36,053 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 08:43:36,053 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 347 transitions. [2021-08-26 08:43:36,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-08-26 08:43:36,054 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:36,054 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:36,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-26 08:43:36,054 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:43:36,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:36,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1158850466, now seen corresponding path program 1 times [2021-08-26 08:43:36,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:36,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809497443] [2021-08-26 08:43:36,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:36,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:36,093 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-08-26 08:43:36,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:36,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809497443] [2021-08-26 08:43:36,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809497443] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:36,093 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:36,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:43:36,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244067852] [2021-08-26 08:43:36,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:36,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:36,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:36,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:36,094 INFO L87 Difference]: Start difference. First operand 271 states and 347 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 08:43:36,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:36,188 INFO L93 Difference]: Finished difference Result 527 states and 674 transitions. [2021-08-26 08:43:36,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:36,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 61 [2021-08-26 08:43:36,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:36,189 INFO L225 Difference]: With dead ends: 527 [2021-08-26 08:43:36,189 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:43:36,190 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:36,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:43:36,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:43:36,191 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 08:43:36,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:43:36,191 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-08-26 08:43:36,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:36,191 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:43:36,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 08:43:36,191 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:43:36,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:43:36,198 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:36,199 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:36,199 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:36,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-26 08:43:36,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:43:36,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,328 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:36,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:40,982 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 831) no Hoare annotation was computed. [2021-08-26 08:43:40,983 INFO L853 garLoopResultBuilder]: At program point L267(lines 266 285) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0))) (let ((.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse5 (not .cse9)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~8 1)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (not .cse6) .cse2 .cse3 .cse4 .cse7 .cse5) (and .cse0 .cse6 .cse8 .cse2 .cse4) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse9 .cse7) (and .cse0 .cse8 .cse2 .cse4 .cse5) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4)))) [2021-08-26 08:43:40,983 INFO L857 garLoopResultBuilder]: For program point L267-1(lines 267 273) no Hoare annotation was computed. [2021-08-26 08:43:40,983 INFO L853 garLoopResultBuilder]: At program point L267-2(lines 266 285) the Hoare annotation is: false [2021-08-26 08:43:40,983 INFO L853 garLoopResultBuilder]: At program point L267-3(lines 266 285) the Hoare annotation is: false [2021-08-26 08:43:40,983 INFO L853 garLoopResultBuilder]: At program point L895(lines 891 897) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~8 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:43:40,983 INFO L853 garLoopResultBuilder]: At program point L433(lines 418 436) the Hoare annotation is: false [2021-08-26 08:43:40,983 INFO L853 garLoopResultBuilder]: At program point L433-1(lines 418 436) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~8 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse4 .cse5))) [2021-08-26 08:43:40,983 INFO L853 garLoopResultBuilder]: At program point L433-2(lines 418 436) the Hoare annotation is: false [2021-08-26 08:43:40,983 INFO L853 garLoopResultBuilder]: At program point L433-3(lines 418 436) the Hoare annotation is: false [2021-08-26 08:43:40,983 INFO L853 garLoopResultBuilder]: At program point L433-4(lines 418 436) the Hoare annotation is: false [2021-08-26 08:43:40,984 INFO L853 garLoopResultBuilder]: At program point L433-5(lines 418 436) the Hoare annotation is: false [2021-08-26 08:43:40,984 INFO L857 garLoopResultBuilder]: For program point L236(lines 236 242) no Hoare annotation was computed. [2021-08-26 08:43:40,984 INFO L853 garLoopResultBuilder]: At program point L236-1(lines 267 273) the Hoare annotation is: (let ((.cse10 (= 0 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse1 (not .cse9)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse5 (not .cse10)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~8 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse3 .cse7 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse7 .cse4 .cse8 .cse5) (and .cse0 .cse9 .cse3 .cse7 .cse4 .cse10 .cse8) (and .cse0 .cse9 .cse2 .cse3 .cse4 .cse10) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse9 .cse6 .cse3 .cse7 .cse4)))) [2021-08-26 08:43:40,984 INFO L857 garLoopResultBuilder]: For program point L831(line 831) no Hoare annotation was computed. [2021-08-26 08:43:40,984 INFO L857 garLoopResultBuilder]: For program point L831-1(line 831) no Hoare annotation was computed. [2021-08-26 08:43:40,984 INFO L857 garLoopResultBuilder]: For program point L831-2(line 831) no Hoare annotation was computed. [2021-08-26 08:43:40,984 INFO L853 garLoopResultBuilder]: At program point L369(lines 362 372) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= ULTIMATE.start_main_~tmp~8 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4))) [2021-08-26 08:43:40,984 INFO L853 garLoopResultBuilder]: At program point L369-1(lines 362 372) the Hoare annotation is: false [2021-08-26 08:43:40,984 INFO L857 garLoopResultBuilder]: For program point L303(lines 303 311) no Hoare annotation was computed. [2021-08-26 08:43:40,984 INFO L853 garLoopResultBuilder]: At program point L369-2(lines 362 372) the Hoare annotation is: false [2021-08-26 08:43:40,984 INFO L857 garLoopResultBuilder]: For program point L303-1(lines 303 311) no Hoare annotation was computed. [2021-08-26 08:43:40,984 INFO L857 garLoopResultBuilder]: For program point L303-2(lines 303 311) no Hoare annotation was computed. [2021-08-26 08:43:40,984 INFO L857 garLoopResultBuilder]: For program point L303-3(lines 303 311) no Hoare annotation was computed. [2021-08-26 08:43:40,984 INFO L857 garLoopResultBuilder]: For program point L303-4(lines 303 311) no Hoare annotation was computed. [2021-08-26 08:43:40,985 INFO L857 garLoopResultBuilder]: For program point L303-5(lines 303 311) no Hoare annotation was computed. [2021-08-26 08:43:40,985 INFO L860 garLoopResultBuilder]: At program point L931(lines 912 934) the Hoare annotation is: true [2021-08-26 08:43:40,985 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 179) no Hoare annotation was computed. [2021-08-26 08:43:40,985 INFO L857 garLoopResultBuilder]: For program point L173-1(lines 173 179) no Hoare annotation was computed. [2021-08-26 08:43:40,985 INFO L857 garLoopResultBuilder]: For program point L173-2(lines 173 179) no Hoare annotation was computed. [2021-08-26 08:43:40,985 INFO L857 garLoopResultBuilder]: For program point L173-3(lines 173 179) no Hoare annotation was computed. [2021-08-26 08:43:40,985 INFO L857 garLoopResultBuilder]: For program point L173-4(lines 173 179) no Hoare annotation was computed. [2021-08-26 08:43:40,985 INFO L857 garLoopResultBuilder]: For program point L173-5(lines 173 179) no Hoare annotation was computed. [2021-08-26 08:43:40,985 INFO L853 garLoopResultBuilder]: At program point L966(lines 961 969) 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 08:43:40,985 INFO L857 garLoopResultBuilder]: For program point L108(lines 108 112) no Hoare annotation was computed. [2021-08-26 08:43:40,985 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 831) no Hoare annotation was computed. [2021-08-26 08:43:40,985 INFO L853 garLoopResultBuilder]: At program point L274(lines 274 280) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3) (and .cse0 .cse5 .cse6 .cse1 .cse3) (and .cse0 .cse6 .cse1 .cse3 .cse4))) [2021-08-26 08:43:40,985 INFO L853 garLoopResultBuilder]: At program point L274-1(lines 274 280) the Hoare annotation is: false [2021-08-26 08:43:40,986 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 214) no Hoare annotation was computed. [2021-08-26 08:43:40,986 INFO L853 garLoopResultBuilder]: At program point L274-2(lines 274 280) the Hoare annotation is: false [2021-08-26 08:43:40,986 INFO L853 garLoopResultBuilder]: At program point L208-1(lines 208 214) the Hoare annotation is: (let ((.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse10 (not (= 0 ~systemActive~0))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ULTIMATE.start_main_~tmp~8 1)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 (not .cse1) .cse5 .cse8 .cse6 .cse9 .cse10) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse10) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse10) (and .cse0 .cse1 .cse2 .cse5 .cse8 .cse6 .cse9))) [2021-08-26 08:43:40,986 INFO L857 garLoopResultBuilder]: For program point L441(lines 441 447) no Hoare annotation was computed. [2021-08-26 08:43:40,986 INFO L853 garLoopResultBuilder]: At program point L441-1(lines 441 447) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~8 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse4 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse4 .cse3))) [2021-08-26 08:43:40,986 INFO L853 garLoopResultBuilder]: At program point L178(lines 169 182) the Hoare annotation is: false [2021-08-26 08:43:40,986 INFO L853 garLoopResultBuilder]: At program point L178-1(lines 169 182) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~8 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse4 .cse5))) [2021-08-26 08:43:40,986 INFO L853 garLoopResultBuilder]: At program point L178-2(lines 169 182) the Hoare annotation is: false [2021-08-26 08:43:40,986 INFO L853 garLoopResultBuilder]: At program point L178-3(lines 169 182) the Hoare annotation is: false [2021-08-26 08:43:40,986 INFO L853 garLoopResultBuilder]: At program point L178-4(lines 169 182) the Hoare annotation is: false [2021-08-26 08:43:40,986 INFO L853 garLoopResultBuilder]: At program point L178-5(lines 169 182) the Hoare annotation is: false [2021-08-26 08:43:40,986 INFO L853 garLoopResultBuilder]: At program point L378(lines 373 381) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~8 1)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3 .cse4 .cse5) (and .cse0 (= ~methAndRunningLastTime~0 0) (not .cse1) .cse2 .cse3 .cse4 .cse5 (not (= 0 ~systemActive~0))))) [2021-08-26 08:43:40,986 INFO L853 garLoopResultBuilder]: At program point L378-1(lines 373 381) the Hoare annotation is: false [2021-08-26 08:43:40,987 INFO L853 garLoopResultBuilder]: At program point L378-2(lines 373 381) the Hoare annotation is: false [2021-08-26 08:43:40,987 INFO L853 garLoopResultBuilder]: At program point L248(lines 197 249) the Hoare annotation is: false [2021-08-26 08:43:40,987 INFO L853 garLoopResultBuilder]: At program point L51(lines 46 53) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~8 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:43:40,987 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:43:40,987 INFO L857 garLoopResultBuilder]: For program point L218(lines 218 224) no Hoare annotation was computed. [2021-08-26 08:43:40,987 INFO L853 garLoopResultBuilder]: At program point L218-1(lines 218 224) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0))) (let ((.cse1 (not .cse8)) (.cse5 (not (= 0 ~systemActive~0))) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~8 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse3 .cse7 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse7 .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse5) (and .cse0 .cse8 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse8 .cse6 .cse3 .cse7 .cse4)))) [2021-08-26 08:43:40,988 INFO L857 garLoopResultBuilder]: For program point L120(lines 120 124) no Hoare annotation was computed. [2021-08-26 08:43:40,988 INFO L853 garLoopResultBuilder]: At program point L847-2(lines 847 861) the Hoare annotation is: false [2021-08-26 08:43:40,988 INFO L857 garLoopResultBuilder]: For program point L848(line 848) no Hoare annotation was computed. [2021-08-26 08:43:40,988 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:43:40,988 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 855) no Hoare annotation was computed. [2021-08-26 08:43:40,988 INFO L857 garLoopResultBuilder]: For program point L851-1(lines 267 273) no Hoare annotation was computed. [2021-08-26 08:43:40,988 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 342) no Hoare annotation was computed. [2021-08-26 08:43:40,988 INFO L857 garLoopResultBuilder]: For program point L325-1(lines 325 342) no Hoare annotation was computed. [2021-08-26 08:43:40,988 INFO L857 garLoopResultBuilder]: For program point L325-2(lines 325 342) no Hoare annotation was computed. [2021-08-26 08:43:40,988 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:43:40,988 INFO L857 garLoopResultBuilder]: For program point L62(lines 62 79) no Hoare annotation was computed. [2021-08-26 08:43:40,988 INFO L853 garLoopResultBuilder]: At program point L62-1(lines 1 969) the Hoare annotation is: (let ((.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse10 (not (= 0 ~systemActive~0))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ULTIMATE.start_main_~tmp~8 1)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 (not .cse1) .cse5 .cse8 .cse6 .cse9 .cse10) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse10) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse10) (and .cse0 .cse1 .cse2 .cse5 .cse8 .cse6 .cse9))) [2021-08-26 08:43:40,988 INFO L857 garLoopResultBuilder]: For program point L62-2(lines 62 79) no Hoare annotation was computed. [2021-08-26 08:43:40,988 INFO L853 garLoopResultBuilder]: At program point L62-3(lines 1 969) the Hoare annotation is: false [2021-08-26 08:43:40,988 INFO L857 garLoopResultBuilder]: For program point L62-4(lines 62 79) no Hoare annotation was computed. [2021-08-26 08:43:40,989 INFO L853 garLoopResultBuilder]: At program point L62-5(lines 1 969) the Hoare annotation is: false [2021-08-26 08:43:40,989 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 243) no Hoare annotation was computed. [2021-08-26 08:43:40,989 INFO L857 garLoopResultBuilder]: For program point L96(lines 96 100) no Hoare annotation was computed. [2021-08-26 08:43:40,989 INFO L857 garLoopResultBuilder]: For program point L96-3(lines 96 100) no Hoare annotation was computed. [2021-08-26 08:43:40,989 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 929) no Hoare annotation was computed. [2021-08-26 08:43:40,989 INFO L857 garLoopResultBuilder]: For program point L96-6(lines 96 100) no Hoare annotation was computed. [2021-08-26 08:43:40,989 INFO L860 garLoopResultBuilder]: At program point L922-1(lines 922 929) the Hoare annotation is: true [2021-08-26 08:43:40,989 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 431) no Hoare annotation was computed. [2021-08-26 08:43:40,990 INFO L857 garLoopResultBuilder]: For program point L427-2(lines 427 431) no Hoare annotation was computed. [2021-08-26 08:43:40,991 INFO L857 garLoopResultBuilder]: For program point L427-3(lines 427 431) no Hoare annotation was computed. [2021-08-26 08:43:40,991 INFO L857 garLoopResultBuilder]: For program point L427-5(lines 427 431) no Hoare annotation was computed. [2021-08-26 08:43:40,991 INFO L857 garLoopResultBuilder]: For program point L427-6(lines 427 431) no Hoare annotation was computed. [2021-08-26 08:43:40,991 INFO L857 garLoopResultBuilder]: For program point L427-8(lines 427 431) no Hoare annotation was computed. [2021-08-26 08:43:40,991 INFO L857 garLoopResultBuilder]: For program point L427-9(lines 427 431) no Hoare annotation was computed. [2021-08-26 08:43:40,992 INFO L857 garLoopResultBuilder]: For program point L427-11(lines 427 431) no Hoare annotation was computed. [2021-08-26 08:43:40,992 INFO L857 garLoopResultBuilder]: For program point L427-12(lines 427 431) no Hoare annotation was computed. [2021-08-26 08:43:40,992 INFO L857 garLoopResultBuilder]: For program point L427-14(lines 427 431) no Hoare annotation was computed. [2021-08-26 08:43:40,992 INFO L857 garLoopResultBuilder]: For program point L427-15(lines 427 431) no Hoare annotation was computed. [2021-08-26 08:43:40,992 INFO L857 garLoopResultBuilder]: For program point L427-17(lines 427 431) no Hoare annotation was computed. [2021-08-26 08:43:40,993 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 337) no Hoare annotation was computed. [2021-08-26 08:43:40,993 INFO L857 garLoopResultBuilder]: For program point L329-1(lines 329 337) no Hoare annotation was computed. [2021-08-26 08:43:40,993 INFO L857 garLoopResultBuilder]: For program point L329-2(lines 329 337) no Hoare annotation was computed. [2021-08-26 08:43:40,993 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:43:40,993 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 831) no Hoare annotation was computed. [2021-08-26 08:43:40,993 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 76) no Hoare annotation was computed. [2021-08-26 08:43:40,993 INFO L857 garLoopResultBuilder]: For program point L66-2(lines 66 76) no Hoare annotation was computed. [2021-08-26 08:43:40,993 INFO L853 garLoopResultBuilder]: At program point L958(lines 1 969) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:43:40,993 INFO L857 garLoopResultBuilder]: For program point L66-4(lines 66 76) no Hoare annotation was computed. [2021-08-26 08:43:40,993 INFO L857 garLoopResultBuilder]: For program point L199(lines 198 247) no Hoare annotation was computed. [2021-08-26 08:43:40,993 INFO L853 garLoopResultBuilder]: At program point L133(lines 128 136) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= ULTIMATE.start_main_~tmp~8 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4))) [2021-08-26 08:43:40,994 INFO L853 garLoopResultBuilder]: At program point L133-1(lines 128 136) the Hoare annotation is: (let ((.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse1 .cse3 .cse5) (and .cse0 .cse8 .cse6 .cse7 .cse1 .cse3) (and .cse0 .cse8 .cse1 .cse2 .cse3 .cse4))) [2021-08-26 08:43:40,994 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-08-26 08:43:40,994 INFO L853 garLoopResultBuilder]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2021-08-26 08:43:40,994 INFO L853 garLoopResultBuilder]: At program point L133-3(lines 128 136) the Hoare annotation is: false [2021-08-26 08:43:40,994 INFO L857 garLoopResultBuilder]: For program point L67-2(lines 67 73) no Hoare annotation was computed. [2021-08-26 08:43:40,994 INFO L853 garLoopResultBuilder]: At program point L133-4(lines 128 136) the Hoare annotation is: false [2021-08-26 08:43:40,994 INFO L853 garLoopResultBuilder]: At program point L133-5(lines 128 136) the Hoare annotation is: false [2021-08-26 08:43:40,994 INFO L857 garLoopResultBuilder]: For program point L67-4(lines 67 73) no Hoare annotation was computed. [2021-08-26 08:43:40,994 INFO L857 garLoopResultBuilder]: For program point L299(lines 299 316) no Hoare annotation was computed. [2021-08-26 08:43:40,994 INFO L857 garLoopResultBuilder]: For program point L299-1(lines 299 316) no Hoare annotation was computed. [2021-08-26 08:43:40,994 INFO L857 garLoopResultBuilder]: For program point L299-2(lines 299 316) no Hoare annotation was computed. [2021-08-26 08:43:40,995 INFO L857 garLoopResultBuilder]: For program point L200(lines 200 204) no Hoare annotation was computed. [2021-08-26 08:43:40,995 INFO L857 garLoopResultBuilder]: For program point L299-3(lines 299 316) no Hoare annotation was computed. [2021-08-26 08:43:40,995 INFO L857 garLoopResultBuilder]: For program point L299-4(lines 299 316) no Hoare annotation was computed. [2021-08-26 08:43:40,995 INFO L857 garLoopResultBuilder]: For program point L299-5(lines 299 316) no Hoare annotation was computed. [2021-08-26 08:43:40,998 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:43:41,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:43:41 BoogieIcfgContainer [2021-08-26 08:43:41,031 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:43:41,032 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:43:41,032 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:43:41,032 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:43:41,041 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:33" (3/4) ... [2021-08-26 08:43:41,043 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:43:41,067 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:43:41,068 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:43:41,069 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:43:41,069 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:43:41,070 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:43:41,071 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:43:41,071 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:43:41,092 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 08:43:41,093 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-08-26 08:43:41,093 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-08-26 08:43:41,094 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && tmp == 0) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && tmp == 0) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) [2021-08-26 08:43:41,094 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && tmp == 0) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && tmp == 0) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) [2021-08-26 08:43:41,095 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) [2021-08-26 08:43:41,096 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && 0 == systemActive) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && 0 == systemActive)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) [2021-08-26 08:43:41,096 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) [2021-08-26 08:43:41,096 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:43:41,097 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) [2021-08-26 08:43:41,097 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) [2021-08-26 08:43:41,098 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:43:41,098 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && 1 <= \result) && \result == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:43:41,098 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:43:41,098 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) || (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:43:41,104 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && tmp == 1) && \result == 0) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:43:41,155 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:43:41,155 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:43:41,157 INFO L168 Benchmark]: Toolchain (without parser) took 9820.19 ms. Allocated memory was 54.5 MB in the beginning and 161.5 MB in the end (delta: 107.0 MB). Free memory was 30.9 MB in the beginning and 46.7 MB in the end (delta: -15.7 MB). Peak memory consumption was 90.3 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:41,157 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 54.5 MB. Free memory was 37.0 MB in the beginning and 37.0 MB in the end (delta: 33.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:43:41,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.11 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.7 MB in the beginning and 45.4 MB in the end (delta: -14.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:41,158 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.17 ms. Allocated memory is still 67.1 MB. Free memory was 45.4 MB in the beginning and 41.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:41,158 INFO L168 Benchmark]: Boogie Preprocessor took 33.63 ms. Allocated memory is still 67.1 MB. Free memory was 41.7 MB in the beginning and 38.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:41,159 INFO L168 Benchmark]: RCFGBuilder took 1066.42 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 38.9 MB in the beginning and 60.9 MB in the end (delta: -22.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:41,159 INFO L168 Benchmark]: TraceAbstraction took 7994.99 ms. Allocated memory was 86.0 MB in the beginning and 161.5 MB in the end (delta: 75.5 MB). Free memory was 60.4 MB in the beginning and 57.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 93.7 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:41,159 INFO L168 Benchmark]: Witness Printer took 123.52 ms. Allocated memory is still 161.5 MB. Free memory was 57.1 MB in the beginning and 46.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:41,161 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 54.5 MB. Free memory was 37.0 MB in the beginning and 37.0 MB in the end (delta: 33.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 509.11 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.7 MB in the beginning and 45.4 MB in the end (delta: -14.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.17 ms. Allocated memory is still 67.1 MB. Free memory was 45.4 MB in the beginning and 41.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.63 ms. Allocated memory is still 67.1 MB. Free memory was 41.7 MB in the beginning and 38.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1066.42 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 38.9 MB in the beginning and 60.9 MB in the end (delta: -22.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7994.99 ms. Allocated memory was 86.0 MB in the beginning and 161.5 MB in the end (delta: 75.5 MB). Free memory was 60.4 MB in the beginning and 57.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 93.7 MB. Max. memory is 16.1 GB. * Witness Printer took 123.52 ms. Allocated memory is still 161.5 MB. Free memory was 57.1 MB in the beginning and 46.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 831]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 831]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 831]: 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, 117 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7917.1ms, OverallIterations: 13, TraceHistogramMax: 2, EmptinessCheckTime: 38.3ms, AutomataDifference: 1520.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 4781.8ms, InitialAbstractionConstructionTime: 13.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1253 SDtfs, 1599 SDslu, 1825 SDs, 0 SdLazy, 243 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 521.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 493.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred in iteration=10, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 235.1ms AutomataMinimizationTime, 13 MinimizatonAttempts, 1221 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 152 NumberOfFragments, 1217 HoareAnnotationTreeSize, 45 FomulaSimplifications, 388270 FormulaSimplificationTreeSizeReduction, 1157.8ms HoareSimplificationTime, 45 FomulaSimplificationsInter, 61203 FormulaSimplificationTreeSizeReductionInter, 3608.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 60.4ms SsaConstructionTime, 302.9ms SatisfiabilityAnalysisTime, 723.8ms InterpolantComputationTime, 450 NumberOfCodeBlocks, 450 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 437 ConstructedInterpolants, 0 QuantifiedInterpolants, 804 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 65/65 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: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && 1 <= \result) && \result == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) || (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && tmp == 0) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && tmp == 0) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && tmp == 0) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && tmp == 0) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && tmp == 1) && \result == 0) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && 0 == systemActive) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && 0 == systemActive)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-26 08:43:41,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...