./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.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_productSimulator.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 68cd1f850011693bbaeee4c1a646df481d01e204 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 08:43:48,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:43:48,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:43:48,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:43:48,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:43:48,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:43:48,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:43:48,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:43:48,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:43:48,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:43:48,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:43:48,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:43:48,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:43:48,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:43:48,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:43:48,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:43:48,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:43:48,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:43:48,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:43:48,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:43:48,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:43:48,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:43:48,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:43:48,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:43:48,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:43:48,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:43:48,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:43:48,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:43:48,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:43:48,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:43:48,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:43:48,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:43:48,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:43:48,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:43:48,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:43:48,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:43:48,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:43:48,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:43:48,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:43:48,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:43:48,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:43:48,288 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:43:48,316 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:43:48,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:43:48,317 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:43:48,317 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:43:48,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:43:48,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:43:48,319 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:43:48,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:43:48,319 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:43:48,319 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:43:48,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:43:48,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:43:48,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:43:48,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:43:48,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:43:48,321 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:43:48,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:43:48,321 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:43:48,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:43:48,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:43:48,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:43:48,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:43:48,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:43:48,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:43:48,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:43:48,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:43:48,329 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:43:48,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:43:48,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:43:48,330 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:43:48,330 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68cd1f850011693bbaeee4c1a646df481d01e204 [2021-08-26 08:43:48,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:43:48,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:43:48,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:43:48,610 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:43:48,611 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:43:48,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c [2021-08-26 08:43:48,651 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b07ea7d40/057547c056c844d6ac32e7f4703f154f/FLAG01f6231f9 [2021-08-26 08:43:49,078 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:43:49,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c [2021-08-26 08:43:49,100 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b07ea7d40/057547c056c844d6ac32e7f4703f154f/FLAG01f6231f9 [2021-08-26 08:43:49,112 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b07ea7d40/057547c056c844d6ac32e7f4703f154f [2021-08-26 08:43:49,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:43:49,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:43:49,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:43:49,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:43:49,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:43:49,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:43:49" (1/1) ... [2021-08-26 08:43:49,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43120478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:49, skipping insertion in model container [2021-08-26 08:43:49,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:43:49" (1/1) ... [2021-08-26 08:43:49,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:43:49,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:43:49,460 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_productSimulator.cil.c[20512,20525] [2021-08-26 08:43:49,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:43:49,475 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:43:49,556 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_productSimulator.cil.c[20512,20525] [2021-08-26 08:43:49,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:43:49,586 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:43:49,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:49 WrapperNode [2021-08-26 08:43:49,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:43:49,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:43:49,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:43:49,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:43:49,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:49" (1/1) ... [2021-08-26 08:43:49,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:49" (1/1) ... [2021-08-26 08:43:49,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:43:49,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:43:49,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:43:49,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:43:49,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:49" (1/1) ... [2021-08-26 08:43:49,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:49" (1/1) ... [2021-08-26 08:43:49,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:49" (1/1) ... [2021-08-26 08:43:49,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:49" (1/1) ... [2021-08-26 08:43:49,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:49" (1/1) ... [2021-08-26 08:43:49,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:49" (1/1) ... [2021-08-26 08:43:49,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:49" (1/1) ... [2021-08-26 08:43:49,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:43:49,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:43:49,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:43:49,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:43:49,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:49" (1/1) ... [2021-08-26 08:43:49,795 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:43:49,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:43:49,807 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 08:43:49,823 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 08:43:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:43:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:43:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:43:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:43:50,774 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:43:50,774 INFO L299 CfgBuilder]: Removed 902 assume(true) statements. [2021-08-26 08:43:50,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:50 BoogieIcfgContainer [2021-08-26 08:43:50,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:43:50,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:43:50,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:43:50,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:43:50,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:43:49" (1/3) ... [2021-08-26 08:43:50,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4639b8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:43:50, skipping insertion in model container [2021-08-26 08:43:50,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:49" (2/3) ... [2021-08-26 08:43:50,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4639b8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:43:50, skipping insertion in model container [2021-08-26 08:43:50,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:50" (3/3) ... [2021-08-26 08:43:50,780 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_productSimulator.cil.c [2021-08-26 08:43:50,783 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:43:50,783 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:43:50,817 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:43:50,820 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 08:43:50,820 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:43:50,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 474 states, 470 states have (on average 1.5765957446808512) internal successors, (741), 473 states have internal predecessors, (741), 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 08:43:50,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-26 08:43:50,843 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:50,843 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:50,844 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 08:43:50,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:50,848 INFO L82 PathProgramCache]: Analyzing trace with hash -434502313, now seen corresponding path program 1 times [2021-08-26 08:43:50,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:50,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62413307] [2021-08-26 08:43:50,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:50,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:51,019 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 08:43:51,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:51,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62413307] [2021-08-26 08:43:51,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62413307] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:51,020 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:51,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:51,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162597282] [2021-08-26 08:43:51,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:43:51,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:51,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:43:51,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:43:51,034 INFO L87 Difference]: Start difference. First operand has 474 states, 470 states have (on average 1.5765957446808512) internal successors, (741), 473 states have internal predecessors, (741), 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 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:51,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:51,070 INFO L93 Difference]: Finished difference Result 934 states and 1467 transitions. [2021-08-26 08:43:51,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:43:51,071 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-08-26 08:43:51,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:51,080 INFO L225 Difference]: With dead ends: 934 [2021-08-26 08:43:51,080 INFO L226 Difference]: Without dead ends: 470 [2021-08-26 08:43:51,083 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 08:43:51,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2021-08-26 08:43:51,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 470. [2021-08-26 08:43:51,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 467 states have (on average 1.5610278372591007) internal successors, (729), 469 states have internal predecessors, (729), 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 08:43:51,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 729 transitions. [2021-08-26 08:43:51,122 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 729 transitions. Word has length 25 [2021-08-26 08:43:51,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:51,122 INFO L470 AbstractCegarLoop]: Abstraction has 470 states and 729 transitions. [2021-08-26 08:43:51,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:51,122 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 729 transitions. [2021-08-26 08:43:51,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 08:43:51,123 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:51,123 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 08:43:51,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:43:51,123 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 08:43:51,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:51,124 INFO L82 PathProgramCache]: Analyzing trace with hash 10066668, now seen corresponding path program 1 times [2021-08-26 08:43:51,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:51,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215112038] [2021-08-26 08:43:51,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:51,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:51,200 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 08:43:51,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:51,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215112038] [2021-08-26 08:43:51,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215112038] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:51,201 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:51,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:43:51,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461031444] [2021-08-26 08:43:51,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:51,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:51,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:51,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:51,203 INFO L87 Difference]: Start difference. First operand 470 states and 729 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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 08:43:51,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:51,215 INFO L93 Difference]: Finished difference Result 470 states and 729 transitions. [2021-08-26 08:43:51,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:51,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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 08:43:51,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:51,216 INFO L225 Difference]: With dead ends: 470 [2021-08-26 08:43:51,216 INFO L226 Difference]: Without dead ends: 174 [2021-08-26 08:43:51,218 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:51,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-08-26 08:43:51,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2021-08-26 08:43:51,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 173 states have (on average 1.5375722543352601) internal successors, (266), 173 states have internal predecessors, (266), 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 08:43:51,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 266 transitions. [2021-08-26 08:43:51,223 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 266 transitions. Word has length 26 [2021-08-26 08:43:51,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:51,223 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 266 transitions. [2021-08-26 08:43:51,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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 08:43:51,223 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 266 transitions. [2021-08-26 08:43:51,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-26 08:43:51,224 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:51,224 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:51,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:43:51,224 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 08:43:51,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:51,225 INFO L82 PathProgramCache]: Analyzing trace with hash 2146837231, now seen corresponding path program 1 times [2021-08-26 08:43:51,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:51,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404265492] [2021-08-26 08:43:51,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:51,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:51,298 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 08:43:51,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:51,298 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404265492] [2021-08-26 08:43:51,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404265492] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:51,299 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:51,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:43:51,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039131473] [2021-08-26 08:43:51,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-26 08:43:51,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:51,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-26 08:43:51,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:43:51,306 INFO L87 Difference]: Start difference. First operand 174 states and 266 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:51,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:51,509 INFO L93 Difference]: Finished difference Result 680 states and 1062 transitions. [2021-08-26 08:43:51,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:43:51,515 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-08-26 08:43:51,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:51,518 INFO L225 Difference]: With dead ends: 680 [2021-08-26 08:43:51,518 INFO L226 Difference]: Without dead ends: 520 [2021-08-26 08:43:51,521 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.2ms TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-08-26 08:43:51,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2021-08-26 08:43:51,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 196. [2021-08-26 08:43:51,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 195 states have (on average 1.5435897435897437) internal successors, (301), 195 states have internal predecessors, (301), 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 08:43:51,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 301 transitions. [2021-08-26 08:43:51,539 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 301 transitions. Word has length 32 [2021-08-26 08:43:51,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:51,539 INFO L470 AbstractCegarLoop]: Abstraction has 196 states and 301 transitions. [2021-08-26 08:43:51,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:51,540 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 301 transitions. [2021-08-26 08:43:51,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-26 08:43:51,541 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:51,541 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:51,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:43:51,542 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 08:43:51,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:51,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1270376866, now seen corresponding path program 1 times [2021-08-26 08:43:51,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:51,542 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438099182] [2021-08-26 08:43:51,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:51,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:51,644 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 08:43:51,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:51,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438099182] [2021-08-26 08:43:51,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438099182] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:51,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:51,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:51,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332606789] [2021-08-26 08:43:51,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:51,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:51,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:51,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:51,645 INFO L87 Difference]: Start difference. First operand 196 states and 301 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:51,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:51,878 INFO L93 Difference]: Finished difference Result 1065 states and 1693 transitions. [2021-08-26 08:43:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 08:43:51,879 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-08-26 08:43:51,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:51,882 INFO L225 Difference]: With dead ends: 1065 [2021-08-26 08:43:51,882 INFO L226 Difference]: Without dead ends: 883 [2021-08-26 08:43:51,882 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 44.6ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:43:51,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2021-08-26 08:43:51,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 370. [2021-08-26 08:43:51,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 369 states have (on average 1.5528455284552845) internal successors, (573), 369 states have internal predecessors, (573), 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 08:43:51,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 573 transitions. [2021-08-26 08:43:51,901 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 573 transitions. Word has length 35 [2021-08-26 08:43:51,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:51,902 INFO L470 AbstractCegarLoop]: Abstraction has 370 states and 573 transitions. [2021-08-26 08:43:51,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:51,902 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 573 transitions. [2021-08-26 08:43:51,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-26 08:43:51,903 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:51,904 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:51,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:43:51,904 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 08:43:51,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:51,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1380973999, now seen corresponding path program 1 times [2021-08-26 08:43:51,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:51,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353051349] [2021-08-26 08:43:51,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:51,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:51,956 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 08:43:51,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:51,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353051349] [2021-08-26 08:43:51,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353051349] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:51,957 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:51,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:51,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748472948] [2021-08-26 08:43:51,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:51,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:51,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:51,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:51,959 INFO L87 Difference]: Start difference. First operand 370 states and 573 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 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 08:43:52,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:52,172 INFO L93 Difference]: Finished difference Result 1551 states and 2453 transitions. [2021-08-26 08:43:52,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 08:43:52,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 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 36 [2021-08-26 08:43:52,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:52,177 INFO L225 Difference]: With dead ends: 1551 [2021-08-26 08:43:52,178 INFO L226 Difference]: Without dead ends: 1195 [2021-08-26 08:43:52,179 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 23.3ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:43:52,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states. [2021-08-26 08:43:52,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 385. [2021-08-26 08:43:52,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 384 states have (on average 1.5) internal successors, (576), 384 states have internal predecessors, (576), 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 08:43:52,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 576 transitions. [2021-08-26 08:43:52,204 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 576 transitions. Word has length 36 [2021-08-26 08:43:52,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:52,206 INFO L470 AbstractCegarLoop]: Abstraction has 385 states and 576 transitions. [2021-08-26 08:43:52,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 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 08:43:52,207 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 576 transitions. [2021-08-26 08:43:52,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-08-26 08:43:52,210 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:52,210 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:52,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:43:52,210 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 08:43:52,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:52,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1093992796, now seen corresponding path program 1 times [2021-08-26 08:43:52,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:52,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439028772] [2021-08-26 08:43:52,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:52,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:52,280 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 08:43:52,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:52,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439028772] [2021-08-26 08:43:52,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439028772] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:52,282 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:52,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:43:52,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134090788] [2021-08-26 08:43:52,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:52,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:52,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:52,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:52,288 INFO L87 Difference]: Start difference. First operand 385 states and 576 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 08:43:52,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:52,478 INFO L93 Difference]: Finished difference Result 1012 states and 1506 transitions. [2021-08-26 08:43:52,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:43:52,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 44 [2021-08-26 08:43:52,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:52,482 INFO L225 Difference]: With dead ends: 1012 [2021-08-26 08:43:52,483 INFO L226 Difference]: Without dead ends: 641 [2021-08-26 08:43:52,484 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:43:52,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2021-08-26 08:43:52,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 433. [2021-08-26 08:43:52,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 432 states have (on average 1.4444444444444444) internal successors, (624), 432 states have internal predecessors, (624), 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 08:43:52,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 624 transitions. [2021-08-26 08:43:52,510 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 624 transitions. Word has length 44 [2021-08-26 08:43:52,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:52,511 INFO L470 AbstractCegarLoop]: Abstraction has 433 states and 624 transitions. [2021-08-26 08:43:52,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 08:43:52,511 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 624 transitions. [2021-08-26 08:43:52,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-08-26 08:43:52,512 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:52,512 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:52,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 08:43:52,513 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 08:43:52,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:52,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1352158234, now seen corresponding path program 1 times [2021-08-26 08:43:52,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:52,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168974596] [2021-08-26 08:43:52,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:52,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:52,638 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 08:43:52,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:52,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168974596] [2021-08-26 08:43:52,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168974596] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:52,639 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:52,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-26 08:43:52,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962713190] [2021-08-26 08:43:52,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-26 08:43:52,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:52,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-26 08:43:52,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:43:52,640 INFO L87 Difference]: Start difference. First operand 433 states and 624 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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 08:43:52,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:52,863 INFO L93 Difference]: Finished difference Result 1148 states and 1642 transitions. [2021-08-26 08:43:52,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 08:43:52,863 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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 44 [2021-08-26 08:43:52,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:52,866 INFO L225 Difference]: With dead ends: 1148 [2021-08-26 08:43:52,866 INFO L226 Difference]: Without dead ends: 729 [2021-08-26 08:43:52,867 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 66.6ms TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2021-08-26 08:43:52,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2021-08-26 08:43:52,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 465. [2021-08-26 08:43:52,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 464 states have (on average 1.4137931034482758) internal successors, (656), 464 states have internal predecessors, (656), 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 08:43:52,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 656 transitions. [2021-08-26 08:43:52,898 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 656 transitions. Word has length 44 [2021-08-26 08:43:52,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:52,900 INFO L470 AbstractCegarLoop]: Abstraction has 465 states and 656 transitions. [2021-08-26 08:43:52,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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 08:43:52,900 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 656 transitions. [2021-08-26 08:43:52,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-08-26 08:43:52,902 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:52,902 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:52,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 08:43:52,902 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 08:43:52,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:52,903 INFO L82 PathProgramCache]: Analyzing trace with hash 341040984, now seen corresponding path program 1 times [2021-08-26 08:43:52,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:52,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790514631] [2021-08-26 08:43:52,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:52,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:52,973 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 08:43:52,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:52,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790514631] [2021-08-26 08:43:52,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790514631] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:52,974 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:52,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:52,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348008627] [2021-08-26 08:43:52,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:52,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:52,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:52,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:52,975 INFO L87 Difference]: Start difference. First operand 465 states and 656 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 08:43:53,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:53,099 INFO L93 Difference]: Finished difference Result 1191 states and 1700 transitions. [2021-08-26 08:43:53,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:53,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 44 [2021-08-26 08:43:53,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:53,102 INFO L225 Difference]: With dead ends: 1191 [2021-08-26 08:43:53,102 INFO L226 Difference]: Without dead ends: 740 [2021-08-26 08:43:53,103 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:53,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2021-08-26 08:43:53,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 738. [2021-08-26 08:43:53,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 738 states, 737 states have (on average 1.4043419267299864) internal successors, (1035), 737 states have internal predecessors, (1035), 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 08:43:53,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 1035 transitions. [2021-08-26 08:43:53,154 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 1035 transitions. Word has length 44 [2021-08-26 08:43:53,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:53,154 INFO L470 AbstractCegarLoop]: Abstraction has 738 states and 1035 transitions. [2021-08-26 08:43:53,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 08:43:53,155 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 1035 transitions. [2021-08-26 08:43:53,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-08-26 08:43:53,156 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:53,156 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:53,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 08:43:53,156 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 08:43:53,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:53,157 INFO L82 PathProgramCache]: Analyzing trace with hash 772865075, now seen corresponding path program 1 times [2021-08-26 08:43:53,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:53,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604891971] [2021-08-26 08:43:53,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:53,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:53,201 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 08:43:53,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:53,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604891971] [2021-08-26 08:43:53,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604891971] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:53,202 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:53,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:43:53,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436432485] [2021-08-26 08:43:53,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:53,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:53,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:53,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:53,206 INFO L87 Difference]: Start difference. First operand 738 states and 1035 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 08:43:53,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:53,271 INFO L93 Difference]: Finished difference Result 1334 states and 1867 transitions. [2021-08-26 08:43:53,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:53,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 45 [2021-08-26 08:43:53,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:53,276 INFO L225 Difference]: With dead ends: 1334 [2021-08-26 08:43:53,276 INFO L226 Difference]: Without dead ends: 1332 [2021-08-26 08:43:53,277 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:53,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2021-08-26 08:43:53,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 937. [2021-08-26 08:43:53,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 936 states have (on average 1.436965811965812) internal successors, (1345), 936 states have internal predecessors, (1345), 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 08:43:53,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1345 transitions. [2021-08-26 08:43:53,320 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1345 transitions. Word has length 45 [2021-08-26 08:43:53,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:53,321 INFO L470 AbstractCegarLoop]: Abstraction has 937 states and 1345 transitions. [2021-08-26 08:43:53,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 08:43:53,321 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1345 transitions. [2021-08-26 08:43:53,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-08-26 08:43:53,322 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:53,322 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:53,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 08:43:53,323 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 08:43:53,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:53,323 INFO L82 PathProgramCache]: Analyzing trace with hash 883644073, now seen corresponding path program 1 times [2021-08-26 08:43:53,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:53,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25470094] [2021-08-26 08:43:53,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:53,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:53,370 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:53,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:53,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25470094] [2021-08-26 08:43:53,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25470094] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:53,371 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:53,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:43:53,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078508129] [2021-08-26 08:43:53,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:53,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:53,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:53,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:53,372 INFO L87 Difference]: Start difference. First operand 937 states and 1345 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 08:43:53,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:53,489 INFO L93 Difference]: Finished difference Result 2063 states and 2983 transitions. [2021-08-26 08:43:53,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:53,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 66 [2021-08-26 08:43:53,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:53,493 INFO L225 Difference]: With dead ends: 2063 [2021-08-26 08:43:53,493 INFO L226 Difference]: Without dead ends: 1140 [2021-08-26 08:43:53,494 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:53,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2021-08-26 08:43:53,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 1138. [2021-08-26 08:43:53,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1138 states, 1137 states have (on average 1.432717678100264) internal successors, (1629), 1137 states have internal predecessors, (1629), 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 08:43:53,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1629 transitions. [2021-08-26 08:43:53,535 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1629 transitions. Word has length 66 [2021-08-26 08:43:53,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:53,535 INFO L470 AbstractCegarLoop]: Abstraction has 1138 states and 1629 transitions. [2021-08-26 08:43:53,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 08:43:53,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1629 transitions. [2021-08-26 08:43:53,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-08-26 08:43:53,537 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:53,538 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:53,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-26 08:43:53,538 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 08:43:53,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:53,538 INFO L82 PathProgramCache]: Analyzing trace with hash 625478635, now seen corresponding path program 1 times [2021-08-26 08:43:53,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:53,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385959932] [2021-08-26 08:43:53,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:53,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:53,565 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:53,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:53,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385959932] [2021-08-26 08:43:53,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385959932] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:53,566 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:53,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:43:53,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857476689] [2021-08-26 08:43:53,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:53,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:53,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:53,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:53,567 INFO L87 Difference]: Start difference. First operand 1138 states and 1629 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 08:43:53,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:53,679 INFO L93 Difference]: Finished difference Result 2562 states and 3680 transitions. [2021-08-26 08:43:53,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:53,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 66 [2021-08-26 08:43:53,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:53,683 INFO L225 Difference]: With dead ends: 2562 [2021-08-26 08:43:53,683 INFO L226 Difference]: Without dead ends: 1438 [2021-08-26 08:43:53,684 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:53,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2021-08-26 08:43:53,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1438. [2021-08-26 08:43:53,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1438 states, 1437 states have (on average 1.394572025052192) internal successors, (2004), 1437 states have internal predecessors, (2004), 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 08:43:53,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 2004 transitions. [2021-08-26 08:43:53,737 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 2004 transitions. Word has length 66 [2021-08-26 08:43:53,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:53,737 INFO L470 AbstractCegarLoop]: Abstraction has 1438 states and 2004 transitions. [2021-08-26 08:43:53,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 08:43:53,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 2004 transitions. [2021-08-26 08:43:53,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-08-26 08:43:53,739 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:53,739 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:53,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-26 08:43:53,740 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 08:43:53,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:53,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1336211215, now seen corresponding path program 1 times [2021-08-26 08:43:53,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:53,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966241221] [2021-08-26 08:43:53,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:53,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 08:43:53,782 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-26 08:43:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 08:43:53,844 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-26 08:43:53,844 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-26 08:43:53,845 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:53,846 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:53,846 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:53,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-26 08:43:53,850 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:43:53,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:43:53 BoogieIcfgContainer [2021-08-26 08:43:53,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:43:53,961 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:43:53,961 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:43:53,961 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:43:53,961 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:50" (3/4) ... [2021-08-26 08:43:53,962 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-26 08:43:54,044 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:43:54,044 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:43:54,046 INFO L168 Benchmark]: Toolchain (without parser) took 4929.02 ms. Allocated memory was 56.6 MB in the beginning and 209.7 MB in the end (delta: 153.1 MB). Free memory was 34.3 MB in the beginning and 119.4 MB in the end (delta: -85.1 MB). Peak memory consumption was 67.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:54,046 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 56.6 MB. Free memory was 38.6 MB in the beginning and 38.6 MB in the end (delta: 44.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:43:54,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 468.94 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 34.1 MB in the beginning and 47.4 MB in the end (delta: -13.4 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:54,046 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.76 ms. Allocated memory is still 73.4 MB. Free memory was 47.4 MB in the beginning and 50.7 MB in the end (delta: -3.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:54,047 INFO L168 Benchmark]: Boogie Preprocessor took 89.17 ms. Allocated memory is still 73.4 MB. Free memory was 50.7 MB in the beginning and 43.2 MB in the end (delta: 7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:54,047 INFO L168 Benchmark]: RCFGBuilder took 986.29 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 43.2 MB in the beginning and 37.3 MB in the end (delta: 5.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:54,047 INFO L168 Benchmark]: TraceAbstraction took 3183.63 ms. Allocated memory was 92.3 MB in the beginning and 209.7 MB in the end (delta: 117.4 MB). Free memory was 37.3 MB in the beginning and 155.1 MB in the end (delta: -117.8 MB). Peak memory consumption was 97.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:54,047 INFO L168 Benchmark]: Witness Printer took 83.71 ms. Allocated memory is still 209.7 MB. Free memory was 154.0 MB in the beginning and 119.4 MB in the end (delta: 34.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:54,048 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 56.6 MB. Free memory was 38.6 MB in the beginning and 38.6 MB in the end (delta: 44.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 468.94 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 34.1 MB in the beginning and 47.4 MB in the end (delta: -13.4 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 111.76 ms. Allocated memory is still 73.4 MB. Free memory was 47.4 MB in the beginning and 50.7 MB in the end (delta: -3.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.17 ms. Allocated memory is still 73.4 MB. Free memory was 50.7 MB in the beginning and 43.2 MB in the end (delta: 7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 986.29 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 43.2 MB in the beginning and 37.3 MB in the end (delta: 5.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3183.63 ms. Allocated memory was 92.3 MB in the beginning and 209.7 MB in the end (delta: 117.4 MB). Free memory was 37.3 MB in the beginning and 155.1 MB in the end (delta: -117.8 MB). Peak memory consumption was 97.6 MB. Max. memory is 16.1 GB. * Witness Printer took 83.71 ms. Allocated memory is still 209.7 MB. Free memory was 154.0 MB in the beginning and 119.4 MB in the end (delta: 34.6 MB). Peak memory consumption was 33.6 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 - CounterExampleResult [Line: 1089]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L42] int __SELECTED_FEATURE_base ; [L43] int __SELECTED_FEATURE_highWaterSensor ; [L44] int __SELECTED_FEATURE_lowWaterSensor ; [L45] int __SELECTED_FEATURE_methaneQuery ; [L46] int __SELECTED_FEATURE_methaneAlarm ; [L47] int __SELECTED_FEATURE_stopCommand ; [L48] int __SELECTED_FEATURE_startCommand ; [L49] int __GUIDSL_ROOT_PRODUCTION ; [L58] int waterLevel = 1; [L59] int methaneLevelCritical = 0; [L168] int pumpRunning = 0; [L169] int systemActive = 1; [L500] int cleanupTimeShifts = 4; [L680] int methAndRunningLastTime ; [L888] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L579] int retValue_acc ; [L580] int tmp ; [L1125] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1110] __SELECTED_FEATURE_base = 1 [L1096] int retValue_acc ; [L1097] int choice = __VERIFIER_nondet_int(); [L1100] retValue_acc = choice [L1101] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1111] __SELECTED_FEATURE_highWaterSensor = select_one() [L1096] int retValue_acc ; [L1097] int choice = __VERIFIER_nondet_int(); [L1100] retValue_acc = choice [L1101] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1112] __SELECTED_FEATURE_lowWaterSensor = select_one() [L1096] int retValue_acc ; [L1097] int choice = __VERIFIER_nondet_int(); [L1100] retValue_acc = choice [L1101] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1113] __SELECTED_FEATURE_methaneQuery = select_one() [L1096] int retValue_acc ; [L1097] int choice = __VERIFIER_nondet_int(); [L1100] retValue_acc = choice [L1101] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1114] __SELECTED_FEATURE_methaneAlarm = select_one() [L1096] int retValue_acc ; [L1097] int choice = __VERIFIER_nondet_int(); [L1100] retValue_acc = choice [L1101] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1115] __SELECTED_FEATURE_stopCommand = select_one() [L1096] int retValue_acc ; [L1097] int choice = __VERIFIER_nondet_int(); [L1100] retValue_acc = choice [L1101] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1116] __SELECTED_FEATURE_startCommand = select_one() [L1130] int retValue_acc ; [L1133] retValue_acc = __SELECTED_FEATURE_base [L1134] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L586] tmp = valid_product() [L588] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L685] methAndRunningLastTime = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L603] int splverifierCounter ; [L604] int tmp ; [L605] int tmp___0 ; [L606] int tmp___1 ; [L607] int tmp___2 ; [L610] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L612] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L614] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L620] tmp = __VERIFIER_nondet_int() [L622] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L76] COND TRUE waterLevel < 2 [L77] waterLevel = waterLevel + 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L630] tmp___0 = __VERIFIER_nondet_int() [L632] COND TRUE \read(tmp___0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L88] COND FALSE !(\read(methaneLevelCritical)) [L91] methaneLevelCritical = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L640] tmp___2 = __VERIFIER_nondet_int() [L642] COND FALSE !(\read(tmp___2)) [L652] tmp___1 = __VERIFIER_nondet_int() [L654] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L176] COND FALSE !(\read(pumpRunning)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L183] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L319] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L276] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L233] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L205] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L208] COND TRUE ! pumpRunning [L439] int retValue_acc ; [L440] int tmp ; [L441] int tmp___0 ; [L138] int retValue_acc ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L141] COND FALSE !(waterLevel < 2) [L145] retValue_acc = 0 [L146] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L445] tmp = isHighWaterSensorDry() [L447] COND FALSE !(\read(tmp)) [L450] tmp___0 = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L452] retValue_acc = tmp___0 [L453] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L210] tmp = isHighWaterLevel() [L212] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L361] COND FALSE !(\read(__SELECTED_FEATURE_methaneQuery)) [L336] pumpRunning = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L690] int tmp ; [L691] int tmp___0 ; [L97] int retValue_acc ; [L100] retValue_acc = methaneLevelCritical [L101] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L695] tmp = isMethaneLevelCritical() [L697] COND TRUE \read(tmp) [L394] int retValue_acc ; [L397] retValue_acc = pumpRunning [L398] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L699] tmp___0 = isPumpRunning() [L701] COND TRUE \read(tmp___0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L702] COND FALSE !(\read(methAndRunningLastTime)) [L707] methAndRunningLastTime = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L612] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L614] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L620] tmp = __VERIFIER_nondet_int() [L622] COND FALSE !(\read(tmp)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L630] tmp___0 = __VERIFIER_nondet_int() [L632] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L640] tmp___2 = __VERIFIER_nondet_int() [L642] COND FALSE !(\read(tmp___2)) [L652] tmp___1 = __VERIFIER_nondet_int() [L654] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L176] COND TRUE \read(pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L64] COND TRUE waterLevel > 0 [L65] waterLevel = waterLevel - 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L183] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L319] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L276] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L233] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L205] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L208] COND FALSE !(! pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L690] int tmp ; [L691] int tmp___0 ; [L97] int retValue_acc ; [L100] retValue_acc = methaneLevelCritical [L101] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L695] tmp = isMethaneLevelCritical() [L697] COND TRUE \read(tmp) [L394] int retValue_acc ; [L397] retValue_acc = pumpRunning [L398] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L699] tmp___0 = isPumpRunning() [L701] COND TRUE \read(tmp___0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L702] COND TRUE \read(methAndRunningLastTime) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L1089] reach_error() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - UnprovableResult [Line: 1089]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1089]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 474 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3033.1ms, OverallIterations: 12, TraceHistogramMax: 2, EmptinessCheckTime: 24.1ms, AutomataDifference: 1622.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3859 SDtfs, 5758 SDslu, 6040 SDs, 0 SdLazy, 580 SolverSat, 171 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 705.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 194.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1438occurred in iteration=11, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 342.2ms AutomataMinimizationTime, 11 MinimizatonAttempts, 2518 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 44.7ms SsaConstructionTime, 279.9ms SatisfiabilityAnalysisTime, 481.4ms InterpolantComputationTime, 530 NumberOfCodeBlocks, 530 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 452 ConstructedInterpolants, 0 QuantifiedInterpolants, 928 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 40/40 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 RESULT: Ultimate proved your program to be incorrect! [2021-08-26 08:43:54,092 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...