./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_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 a799124555890ca53ef8c243a58e7f790fa6b6f5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.25-9a8b2e8 [2020-10-20 01:43:40,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:43:40,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:43:40,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:43:40,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:43:40,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:43:40,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:43:40,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:43:40,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:43:40,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:43:40,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:43:40,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:43:40,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:43:40,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:43:40,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:43:40,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:43:40,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:43:40,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:43:40,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:43:40,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:43:40,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:43:40,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:43:40,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:43:40,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:43:40,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:43:40,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:43:40,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:43:40,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:43:40,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:43:40,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:43:40,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:43:40,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:43:40,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:43:40,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:43:40,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:43:40,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:43:40,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:43:40,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:43:40,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:43:40,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:43:40,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:43:40,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:43:40,962 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:43:40,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:43:40,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:43:40,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:43:40,963 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:43:40,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:43:40,964 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:43:40,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:43:40,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:43:40,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:43:40,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:43:40,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:43:40,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:43:40,965 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:43:40,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:43:40,966 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:43:40,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:43:40,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:43:40,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:43:40,966 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:43:40,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:43:40,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:43:40,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:43:40,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:43:40,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:43:40,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:43:40,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:43:40,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:43:40,968 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:43:40,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(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 -> a799124555890ca53ef8c243a58e7f790fa6b6f5 [2020-10-20 01:43:41,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:43:41,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:43:41,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:43:41,186 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:43:41,188 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:43:41,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2020-10-20 01:43:41,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3fe53727/0c655a912ba544faa97d5c1b7eb3171d/FLAGe4da38d16 [2020-10-20 01:43:41,760 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:43:41,761 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2020-10-20 01:43:41,782 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3fe53727/0c655a912ba544faa97d5c1b7eb3171d/FLAGe4da38d16 [2020-10-20 01:43:42,088 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3fe53727/0c655a912ba544faa97d5c1b7eb3171d [2020-10-20 01:43:42,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:43:42,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:43:42,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:43:42,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:43:42,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:43:42,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:43:42" (1/1) ... [2020-10-20 01:43:42,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@456e46a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:42, skipping insertion in model container [2020-10-20 01:43:42,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:43:42" (1/1) ... [2020-10-20 01:43:42,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:43:42,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:43:42,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:43:42,585 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:43:42,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:43:42,740 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:43:42,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:42 WrapperNode [2020-10-20 01:43:42,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:43:42,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:43:42,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:43:42,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:43:42,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:42" (1/1) ... [2020-10-20 01:43:42,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:42" (1/1) ... [2020-10-20 01:43:42,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:43:42,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:43:42,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:43:42,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:43:42,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:42" (1/1) ... [2020-10-20 01:43:42,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:42" (1/1) ... [2020-10-20 01:43:42,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:42" (1/1) ... [2020-10-20 01:43:42,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:42" (1/1) ... [2020-10-20 01:43:42,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:42" (1/1) ... [2020-10-20 01:43:42,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:42" (1/1) ... [2020-10-20 01:43:43,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:42" (1/1) ... [2020-10-20 01:43:43,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:43:43,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:43:43,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:43:43,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:43:43,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:43:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:43:43,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:43:43,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:43:43,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:43:45,169 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:43:45,170 INFO L298 CfgBuilder]: Removed 912 assume(true) statements. [2020-10-20 01:43:45,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:45 BoogieIcfgContainer [2020-10-20 01:43:45,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:43:45,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:43:45,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:43:45,178 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:43:45,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:43:42" (1/3) ... [2020-10-20 01:43:45,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126180e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:43:45, skipping insertion in model container [2020-10-20 01:43:45,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:42" (2/3) ... [2020-10-20 01:43:45,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126180e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:43:45, skipping insertion in model container [2020-10-20 01:43:45,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:45" (3/3) ... [2020-10-20 01:43:45,183 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_productSimulator.cil.c [2020-10-20 01:43:45,196 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:43:45,205 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:43:45,221 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:43:45,254 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:43:45,255 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:43:45,255 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:43:45,255 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:43:45,255 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:43:45,256 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:43:45,256 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:43:45,256 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:43:45,302 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states. [2020-10-20 01:43:45,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:43:45,312 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:45,313 INFO L422 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] [2020-10-20 01:43:45,314 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:45,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:45,323 INFO L82 PathProgramCache]: Analyzing trace with hash 35642371, now seen corresponding path program 1 times [2020-10-20 01:43:45,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:45,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784798529] [2020-10-20 01:43:45,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:45,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:45,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784798529] [2020-10-20 01:43:45,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:45,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:43:45,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806379128] [2020-10-20 01:43:45,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:43:45,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:45,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:43:45,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:43:45,681 INFO L87 Difference]: Start difference. First operand 479 states. Second operand 2 states. [2020-10-20 01:43:45,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:45,766 INFO L93 Difference]: Finished difference Result 942 states and 1475 transitions. [2020-10-20 01:43:45,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:43:45,770 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2020-10-20 01:43:45,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:45,802 INFO L225 Difference]: With dead ends: 942 [2020-10-20 01:43:45,803 INFO L226 Difference]: Without dead ends: 472 [2020-10-20 01:43:45,814 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:43:45,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2020-10-20 01:43:45,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 472. [2020-10-20 01:43:45,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2020-10-20 01:43:45,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 731 transitions. [2020-10-20 01:43:45,901 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 731 transitions. Word has length 25 [2020-10-20 01:43:45,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:45,902 INFO L481 AbstractCegarLoop]: Abstraction has 472 states and 731 transitions. [2020-10-20 01:43:45,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:43:45,902 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 731 transitions. [2020-10-20 01:43:45,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:43:45,905 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:45,905 INFO L422 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] [2020-10-20 01:43:45,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:43:45,906 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:45,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:45,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1102723097, now seen corresponding path program 1 times [2020-10-20 01:43:45,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:45,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274816178] [2020-10-20 01:43:45,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:46,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:46,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274816178] [2020-10-20 01:43:46,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:46,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:43:46,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847003716] [2020-10-20 01:43:46,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:43:46,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:46,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:43:46,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:46,043 INFO L87 Difference]: Start difference. First operand 472 states and 731 transitions. Second operand 3 states. [2020-10-20 01:43:46,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:46,080 INFO L93 Difference]: Finished difference Result 472 states and 731 transitions. [2020-10-20 01:43:46,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:43:46,081 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-20 01:43:46,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:46,083 INFO L225 Difference]: With dead ends: 472 [2020-10-20 01:43:46,086 INFO L226 Difference]: Without dead ends: 174 [2020-10-20 01:43:46,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:46,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-10-20 01:43:46,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2020-10-20 01:43:46,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-10-20 01:43:46,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 266 transitions. [2020-10-20 01:43:46,118 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 266 transitions. Word has length 26 [2020-10-20 01:43:46,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:46,118 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 266 transitions. [2020-10-20 01:43:46,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:43:46,119 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 266 transitions. [2020-10-20 01:43:46,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 01:43:46,123 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:46,124 INFO L422 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] [2020-10-20 01:43:46,124 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:43:46,125 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:46,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:46,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1733739639, now seen corresponding path program 1 times [2020-10-20 01:43:46,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:46,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559508917] [2020-10-20 01:43:46,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:46,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:46,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559508917] [2020-10-20 01:43:46,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:46,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:43:46,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510665784] [2020-10-20 01:43:46,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:43:46,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:46,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:43:46,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:43:46,281 INFO L87 Difference]: Start difference. First operand 174 states and 266 transitions. Second operand 7 states. [2020-10-20 01:43:46,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:46,572 INFO L93 Difference]: Finished difference Result 684 states and 1066 transitions. [2020-10-20 01:43:46,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:43:46,573 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2020-10-20 01:43:46,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:46,577 INFO L225 Difference]: With dead ends: 684 [2020-10-20 01:43:46,577 INFO L226 Difference]: Without dead ends: 523 [2020-10-20 01:43:46,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-20 01:43:46,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2020-10-20 01:43:46,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 197. [2020-10-20 01:43:46,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-20 01:43:46,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 302 transitions. [2020-10-20 01:43:46,616 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 302 transitions. Word has length 32 [2020-10-20 01:43:46,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:46,617 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 302 transitions. [2020-10-20 01:43:46,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:43:46,617 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 302 transitions. [2020-10-20 01:43:46,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-20 01:43:46,621 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:46,621 INFO L422 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] [2020-10-20 01:43:46,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:43:46,622 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:46,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:46,622 INFO L82 PathProgramCache]: Analyzing trace with hash -614678817, now seen corresponding path program 1 times [2020-10-20 01:43:46,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:46,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684396880] [2020-10-20 01:43:46,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:46,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:46,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684396880] [2020-10-20 01:43:46,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:46,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:43:46,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496121494] [2020-10-20 01:43:46,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:43:46,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:46,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:43:46,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:46,742 INFO L87 Difference]: Start difference. First operand 197 states and 302 transitions. Second operand 3 states. [2020-10-20 01:43:46,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:46,853 INFO L93 Difference]: Finished difference Result 394 states and 612 transitions. [2020-10-20 01:43:46,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:43:46,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-10-20 01:43:46,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:46,855 INFO L225 Difference]: With dead ends: 394 [2020-10-20 01:43:46,856 INFO L226 Difference]: Without dead ends: 210 [2020-10-20 01:43:46,856 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:46,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-10-20 01:43:46,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 208. [2020-10-20 01:43:46,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-10-20 01:43:46,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 311 transitions. [2020-10-20 01:43:46,870 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 311 transitions. Word has length 35 [2020-10-20 01:43:46,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:46,870 INFO L481 AbstractCegarLoop]: Abstraction has 208 states and 311 transitions. [2020-10-20 01:43:46,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:43:46,871 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 311 transitions. [2020-10-20 01:43:46,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-20 01:43:46,872 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:46,872 INFO L422 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] [2020-10-20 01:43:46,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:43:46,873 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:46,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:46,874 INFO L82 PathProgramCache]: Analyzing trace with hash -227430660, now seen corresponding path program 1 times [2020-10-20 01:43:46,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:46,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417109086] [2020-10-20 01:43:46,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:46,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:46,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417109086] [2020-10-20 01:43:46,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:46,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:43:46,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107610333] [2020-10-20 01:43:46,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:43:46,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:46,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:43:46,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:46,946 INFO L87 Difference]: Start difference. First operand 208 states and 311 transitions. Second operand 5 states. [2020-10-20 01:43:47,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:47,174 INFO L93 Difference]: Finished difference Result 1077 states and 1644 transitions. [2020-10-20 01:43:47,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:43:47,174 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-10-20 01:43:47,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:47,179 INFO L225 Difference]: With dead ends: 1077 [2020-10-20 01:43:47,180 INFO L226 Difference]: Without dead ends: 882 [2020-10-20 01:43:47,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:43:47,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2020-10-20 01:43:47,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 325. [2020-10-20 01:43:47,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-10-20 01:43:47,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 478 transitions. [2020-10-20 01:43:47,209 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 478 transitions. Word has length 35 [2020-10-20 01:43:47,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:47,210 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 478 transitions. [2020-10-20 01:43:47,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:43:47,210 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 478 transitions. [2020-10-20 01:43:47,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:43:47,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:47,212 INFO L422 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] [2020-10-20 01:43:47,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:43:47,212 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:47,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:47,213 INFO L82 PathProgramCache]: Analyzing trace with hash 223425023, now seen corresponding path program 1 times [2020-10-20 01:43:47,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:47,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423979083] [2020-10-20 01:43:47,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 01:43:47,290 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 01:43:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 01:43:47,367 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 01:43:47,417 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 01:43:47,417 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 01:43:47,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:43:47,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:43:47 BoogieIcfgContainer [2020-10-20 01:43:47,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:43:47,547 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:43:47,547 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:43:47,547 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:43:47,548 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:45" (3/4) ... [2020-10-20 01:43:47,550 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 01:43:47,692 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:43:47,693 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:43:47,695 INFO L168 Benchmark]: Toolchain (without parser) took 5601.46 ms. Allocated memory was 41.4 MB in the beginning and 87.6 MB in the end (delta: 46.1 MB). Free memory was 18.9 MB in the beginning and 54.7 MB in the end (delta: -35.8 MB). Peak memory consumption was 51.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:47,696 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 32.0 MB. Free memory was 9.2 MB in the beginning and 9.1 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. [2020-10-20 01:43:47,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.24 ms. Allocated memory was 41.4 MB in the beginning and 43.5 MB in the end (delta: 2.1 MB). Free memory was 18.0 MB in the beginning and 19.1 MB in the end (delta: -1.0 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:47,697 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.07 ms. Allocated memory was 43.5 MB in the beginning and 44.0 MB in the end (delta: 524.3 kB). Free memory was 18.8 MB in the beginning and 22.5 MB in the end (delta: -3.6 MB). Peak memory consumption was 11.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:47,698 INFO L168 Benchmark]: Boogie Preprocessor took 125.11 ms. Allocated memory is still 44.0 MB. Free memory was 22.5 MB in the beginning and 14.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:47,698 INFO L168 Benchmark]: RCFGBuilder took 2135.51 ms. Allocated memory was 44.0 MB in the beginning and 72.4 MB in the end (delta: 28.3 MB). Free memory was 14.6 MB in the beginning and 25.7 MB in the end (delta: -11.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:47,699 INFO L168 Benchmark]: TraceAbstraction took 2372.10 ms. Allocated memory was 72.4 MB in the beginning and 86.5 MB in the end (delta: 14.2 MB). Free memory was 25.1 MB in the beginning and 29.2 MB in the end (delta: -4.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:47,699 INFO L168 Benchmark]: Witness Printer took 146.23 ms. Allocated memory was 86.5 MB in the beginning and 87.6 MB in the end (delta: 1.0 MB). Free memory was 29.2 MB in the beginning and 54.7 MB in the end (delta: -25.5 MB). Peak memory consumption was 17.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:47,703 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 32.0 MB. Free memory was 9.2 MB in the beginning and 9.1 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 642.24 ms. Allocated memory was 41.4 MB in the beginning and 43.5 MB in the end (delta: 2.1 MB). Free memory was 18.0 MB in the beginning and 19.1 MB in the end (delta: -1.0 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 167.07 ms. Allocated memory was 43.5 MB in the beginning and 44.0 MB in the end (delta: 524.3 kB). Free memory was 18.8 MB in the beginning and 22.5 MB in the end (delta: -3.6 MB). Peak memory consumption was 11.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 125.11 ms. Allocated memory is still 44.0 MB. Free memory was 22.5 MB in the beginning and 14.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 2135.51 ms. Allocated memory was 44.0 MB in the beginning and 72.4 MB in the end (delta: 28.3 MB). Free memory was 14.6 MB in the beginning and 25.7 MB in the end (delta: -11.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 2372.10 ms. Allocated memory was 72.4 MB in the beginning and 86.5 MB in the end (delta: 14.2 MB). Free memory was 25.1 MB in the beginning and 29.2 MB in the end (delta: -4.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 14.3 GB. * Witness Printer took 146.23 ms. Allocated memory was 86.5 MB in the beginning and 87.6 MB in the end (delta: 1.0 MB). Free memory was 29.2 MB in the beginning and 54.7 MB in the end (delta: -25.5 MB). Peak memory consumption was 17.1 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L408] int cleanupTimeShifts = 4; [L512] int __SELECTED_FEATURE_base ; [L513] int __SELECTED_FEATURE_highWaterSensor ; [L514] int __SELECTED_FEATURE_lowWaterSensor ; [L515] int __SELECTED_FEATURE_methaneQuery ; [L516] int __SELECTED_FEATURE_methaneAlarm ; [L517] int __SELECTED_FEATURE_stopCommand ; [L518] int __SELECTED_FEATURE_startCommand ; [L519] int __GUIDSL_ROOT_PRODUCTION ; [L607] int pumpRunning = 0; [L608] int systemActive = 1; [L1029] int waterLevel = 1; [L1030] int methaneLevelCritical = 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L489] int retValue_acc ; [L490] int tmp ; [L970] __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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L955] __SELECTED_FEATURE_base = 1 [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L956] __SELECTED_FEATURE_highWaterSensor = select_one() [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L957] __SELECTED_FEATURE_lowWaterSensor = select_one() [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L958] __SELECTED_FEATURE_methaneQuery = select_one() [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L959] __SELECTED_FEATURE_methaneAlarm = select_one() [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L960] __SELECTED_FEATURE_stopCommand = select_one() [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] 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=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L961] __SELECTED_FEATURE_startCommand = select_one() [L975] int retValue_acc ; [L978] retValue_acc = __SELECTED_FEATURE_base [L979] 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=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L496] tmp = valid_product() [L498] COND TRUE \read(tmp) 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=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L523] int splverifierCounter ; [L524] int tmp ; [L525] int tmp___0 ; [L526] int tmp___1 ; [L527] int tmp___2 ; [L530] splverifierCounter = 0 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=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L532] COND TRUE 1 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=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L534] COND TRUE splverifierCounter < 4 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=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L540] tmp = __VERIFIER_nondet_int() [L542] COND TRUE \read(tmp) 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=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1047] COND TRUE waterLevel < 2 [L1048] waterLevel = waterLevel + 1 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=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L550] tmp___0 = __VERIFIER_nondet_int() [L552] COND FALSE !(\read(tmp___0)) 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=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L560] tmp___2 = __VERIFIER_nondet_int() [L562] COND FALSE !(\read(tmp___2)) [L572] tmp___1 = __VERIFIER_nondet_int() [L574] COND TRUE \read(tmp___1) 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=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L575] COND TRUE \read(__SELECTED_FEATURE_stopCommand) 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=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L919] COND FALSE !(\read(pumpRunning)) 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=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L926] systemActive = 0 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=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L615] COND FALSE !(\read(pumpRunning)) 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=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L622] COND FALSE !(\read(systemActive)) 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=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L987] int tmp ; [L988] int tmp___0 ; [L989] int tmp___1 ; [L1068] int retValue_acc ; [L1071] retValue_acc = methaneLevelCritical [L1072] 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=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L993] tmp = isMethaneLevelCritical() [L995] COND FALSE !(\read(tmp)) [L1100] int retValue_acc ; [L1103] retValue_acc = waterLevel [L1104] 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=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L999] tmp___0 = getWaterLevel() [L1001] COND TRUE tmp___0 == 2 [L833] int retValue_acc ; [L836] retValue_acc = pumpRunning [L837] 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=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1003] tmp___1 = isPumpRunning() [L1005] COND FALSE !(\read(tmp___1)) 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=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_productSimulator.cil.c", 3, "reach_error") 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=47, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 479 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1932 SDtfs, 2949 SDslu, 3056 SDs, 0 SdLazy, 163 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=479occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 885 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 10044 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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! Received shutdown request...