./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c5025a2d-52c4-440b-9aca-5c575b80f31c/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c5025a2d-52c4-440b-9aca-5c575b80f31c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c5025a2d-52c4-440b-9aca-5c575b80f31c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c5025a2d-52c4-440b-9aca-5c575b80f31c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c5025a2d-52c4-440b-9aca-5c575b80f31c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c5025a2d-52c4-440b-9aca-5c575b80f31c/bin/uautomizer --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 0.2.0-a4ecdab [2020-11-28 03:17:17,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:17:17,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:17:17,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:17:17,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:17:17,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:17:17,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:17:17,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:17:17,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:17:17,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:17:17,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:17:17,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:17:17,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:17:17,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:17:17,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:17:17,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:17:17,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:17:17,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:17:17,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:17:17,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:17:17,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:17:17,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:17:17,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:17:17,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:17:17,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:17:17,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:17:17,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:17:17,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:17:17,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:17:17,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:17:17,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:17:17,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:17:17,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:17:17,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:17:17,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:17:17,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:17:17,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:17:17,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:17:17,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:17:17,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:17:17,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:17:17,697 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c5025a2d-52c4-440b-9aca-5c575b80f31c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:17:17,740 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:17:17,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:17:17,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:17:17,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:17:17,749 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:17:17,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:17:17,749 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:17:17,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:17:17,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:17:17,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:17:17,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:17:17,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:17:17,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:17:17,752 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:17:17,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:17:17,752 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:17:17,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:17:17,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:17:17,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:17:17,753 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:17:17,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:17:17,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:17:17,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:17:17,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:17:17,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:17:17,754 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:17:17,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:17:17,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:17:17,755 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:17:17,755 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:/tmp/vcloud-vcloud-master/worker/run_dir_c5025a2d-52c4-440b-9aca-5c575b80f31c/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c5025a2d-52c4-440b-9aca-5c575b80f31c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68cd1f850011693bbaeee4c1a646df481d01e204 [2020-11-28 03:17:18,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:17:18,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:17:18,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:17:18,072 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:17:18,073 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:17:18,074 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c5025a2d-52c4-440b-9aca-5c575b80f31c/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c [2020-11-28 03:17:18,150 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c5025a2d-52c4-440b-9aca-5c575b80f31c/bin/uautomizer/data/a863372a3/329a307e2f2840eaaed448dec35c95f6/FLAGdb6c3790d [2020-11-28 03:17:18,662 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:17:18,662 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c5025a2d-52c4-440b-9aca-5c575b80f31c/sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c [2020-11-28 03:17:18,677 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c5025a2d-52c4-440b-9aca-5c575b80f31c/bin/uautomizer/data/a863372a3/329a307e2f2840eaaed448dec35c95f6/FLAGdb6c3790d [2020-11-28 03:17:18,973 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c5025a2d-52c4-440b-9aca-5c575b80f31c/bin/uautomizer/data/a863372a3/329a307e2f2840eaaed448dec35c95f6 [2020-11-28 03:17:18,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:17:18,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:17:18,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:18,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:17:18,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:17:18,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:18" (1/1) ... [2020-11-28 03:17:18,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ff1cd95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:18, skipping insertion in model container [2020-11-28 03:17:18,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:18" (1/1) ... [2020-11-28 03:17:18,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:17:19,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:17:19,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:19,394 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:17:19,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:19,583 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:17:19,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:19 WrapperNode [2020-11-28 03:17:19,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:19,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:19,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:17:19,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:17:19,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:19" (1/1) ... [2020-11-28 03:17:19,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:19" (1/1) ... [2020-11-28 03:17:19,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:19,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:17:19,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:17:19,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:17:19,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:19" (1/1) ... [2020-11-28 03:17:19,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:19" (1/1) ... [2020-11-28 03:17:19,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:19" (1/1) ... [2020-11-28 03:17:19,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:19" (1/1) ... [2020-11-28 03:17:19,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:19" (1/1) ... [2020-11-28 03:17:19,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:19" (1/1) ... [2020-11-28 03:17:19,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:19" (1/1) ... [2020-11-28 03:17:19,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:17:19,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:17:19,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:17:19,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:17:19,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5025a2d-52c4-440b-9aca-5c575b80f31c/bin/uautomizer/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 [2020-11-28 03:17:20,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:17:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:17:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:17:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:17:21,848 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:17:21,849 INFO L298 CfgBuilder]: Removed 908 assume(true) statements. [2020-11-28 03:17:21,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:21 BoogieIcfgContainer [2020-11-28 03:17:21,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:17:21,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:17:21,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:17:21,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:17:21,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:17:18" (1/3) ... [2020-11-28 03:17:21,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ca12a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:21, skipping insertion in model container [2020-11-28 03:17:21,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:19" (2/3) ... [2020-11-28 03:17:21,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ca12a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:21, skipping insertion in model container [2020-11-28 03:17:21,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:21" (3/3) ... [2020-11-28 03:17:21,862 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_productSimulator.cil.c [2020-11-28 03:17:21,873 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:17:21,878 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:17:21,890 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:17:21,927 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:17:21,927 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:17:21,928 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:17:21,928 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:17:21,928 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:17:21,928 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:17:21,928 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:17:21,929 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:17:21,953 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states. [2020-11-28 03:17:21,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 03:17:21,960 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:21,960 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] [2020-11-28 03:17:21,961 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:21,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:21,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1768096360, now seen corresponding path program 1 times [2020-11-28 03:17:21,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:21,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834574786] [2020-11-28 03:17:21,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:22,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:22,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834574786] [2020-11-28 03:17:22,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:22,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:17:22,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024742294] [2020-11-28 03:17:22,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:17:22,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:22,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:17:22,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:17:22,322 INFO L87 Difference]: Start difference. First operand 477 states. Second operand 2 states. [2020-11-28 03:17:22,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:22,407 INFO L93 Difference]: Finished difference Result 937 states and 1470 transitions. [2020-11-28 03:17:22,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:17:22,409 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2020-11-28 03:17:22,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:22,428 INFO L225 Difference]: With dead ends: 937 [2020-11-28 03:17:22,429 INFO L226 Difference]: Without dead ends: 470 [2020-11-28 03:17:22,435 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 [2020-11-28 03:17:22,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2020-11-28 03:17:22,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 470. [2020-11-28 03:17:22,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-11-28 03:17:22,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 729 transitions. [2020-11-28 03:17:22,531 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 729 transitions. Word has length 25 [2020-11-28 03:17:22,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:22,532 INFO L481 AbstractCegarLoop]: Abstraction has 470 states and 729 transitions. [2020-11-28 03:17:22,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:17:22,533 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 729 transitions. [2020-11-28 03:17:22,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 03:17:22,539 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:22,539 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] [2020-11-28 03:17:22,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:17:22,539 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:22,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:22,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1321925676, now seen corresponding path program 1 times [2020-11-28 03:17:22,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:22,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836939815] [2020-11-28 03:17:22,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:22,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:22,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836939815] [2020-11-28 03:17:22,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:22,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:17:22,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471465451] [2020-11-28 03:17:22,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:22,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:22,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:22,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:22,720 INFO L87 Difference]: Start difference. First operand 470 states and 729 transitions. Second operand 3 states. [2020-11-28 03:17:22,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:22,757 INFO L93 Difference]: Finished difference Result 470 states and 729 transitions. [2020-11-28 03:17:22,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:22,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-28 03:17:22,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:22,762 INFO L225 Difference]: With dead ends: 470 [2020-11-28 03:17:22,762 INFO L226 Difference]: Without dead ends: 174 [2020-11-28 03:17:22,764 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 [2020-11-28 03:17:22,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-11-28 03:17:22,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2020-11-28 03:17:22,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-11-28 03:17:22,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 266 transitions. [2020-11-28 03:17:22,789 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 266 transitions. Word has length 26 [2020-11-28 03:17:22,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:22,789 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 266 transitions. [2020-11-28 03:17:22,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:22,789 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 266 transitions. [2020-11-28 03:17:22,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 03:17:22,790 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:22,791 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] [2020-11-28 03:17:22,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:17:22,791 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:22,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:22,792 INFO L82 PathProgramCache]: Analyzing trace with hash 2146837231, now seen corresponding path program 1 times [2020-11-28 03:17:22,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:22,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633011656] [2020-11-28 03:17:22,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:22,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:22,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633011656] [2020-11-28 03:17:22,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:22,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:17:22,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316867238] [2020-11-28 03:17:22,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:17:22,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:22,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:17:22,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:17:22,962 INFO L87 Difference]: Start difference. First operand 174 states and 266 transitions. Second operand 7 states. [2020-11-28 03:17:23,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:23,242 INFO L93 Difference]: Finished difference Result 680 states and 1062 transitions. [2020-11-28 03:17:23,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:17:23,243 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2020-11-28 03:17:23,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:23,247 INFO L225 Difference]: With dead ends: 680 [2020-11-28 03:17:23,247 INFO L226 Difference]: Without dead ends: 520 [2020-11-28 03:17:23,248 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 [2020-11-28 03:17:23,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-11-28 03:17:23,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 196. [2020-11-28 03:17:23,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-11-28 03:17:23,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 301 transitions. [2020-11-28 03:17:23,284 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 301 transitions. Word has length 32 [2020-11-28 03:17:23,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:23,285 INFO L481 AbstractCegarLoop]: Abstraction has 196 states and 301 transitions. [2020-11-28 03:17:23,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:17:23,286 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 301 transitions. [2020-11-28 03:17:23,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 03:17:23,289 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:23,289 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] [2020-11-28 03:17:23,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:17:23,290 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:23,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:23,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1270376866, now seen corresponding path program 1 times [2020-11-28 03:17:23,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:23,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415744604] [2020-11-28 03:17:23,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:23,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:23,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415744604] [2020-11-28 03:17:23,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:23,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:17:23,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121868363] [2020-11-28 03:17:23,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:17:23,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:23,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:17:23,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:17:23,423 INFO L87 Difference]: Start difference. First operand 196 states and 301 transitions. Second operand 5 states. [2020-11-28 03:17:23,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:23,763 INFO L93 Difference]: Finished difference Result 1065 states and 1693 transitions. [2020-11-28 03:17:23,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:17:23,763 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-11-28 03:17:23,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:23,769 INFO L225 Difference]: With dead ends: 1065 [2020-11-28 03:17:23,770 INFO L226 Difference]: Without dead ends: 883 [2020-11-28 03:17:23,771 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:17:23,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2020-11-28 03:17:23,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 370. [2020-11-28 03:17:23,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2020-11-28 03:17:23,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 573 transitions. [2020-11-28 03:17:23,817 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 573 transitions. Word has length 35 [2020-11-28 03:17:23,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:23,817 INFO L481 AbstractCegarLoop]: Abstraction has 370 states and 573 transitions. [2020-11-28 03:17:23,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:17:23,818 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 573 transitions. [2020-11-28 03:17:23,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 03:17:23,826 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:23,826 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] [2020-11-28 03:17:23,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:17:23,826 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:23,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:23,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1380973999, now seen corresponding path program 1 times [2020-11-28 03:17:23,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:23,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703077866] [2020-11-28 03:17:23,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:23,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:23,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703077866] [2020-11-28 03:17:23,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:23,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:17:23,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556804025] [2020-11-28 03:17:23,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:17:23,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:23,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:17:23,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:17:23,892 INFO L87 Difference]: Start difference. First operand 370 states and 573 transitions. Second operand 5 states. [2020-11-28 03:17:24,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:24,269 INFO L93 Difference]: Finished difference Result 1551 states and 2453 transitions. [2020-11-28 03:17:24,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:17:24,270 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-11-28 03:17:24,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:24,277 INFO L225 Difference]: With dead ends: 1551 [2020-11-28 03:17:24,278 INFO L226 Difference]: Without dead ends: 1195 [2020-11-28 03:17:24,279 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:17:24,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states. [2020-11-28 03:17:24,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 385. [2020-11-28 03:17:24,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2020-11-28 03:17:24,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 576 transitions. [2020-11-28 03:17:24,317 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 576 transitions. Word has length 36 [2020-11-28 03:17:24,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:24,317 INFO L481 AbstractCegarLoop]: Abstraction has 385 states and 576 transitions. [2020-11-28 03:17:24,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:17:24,317 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 576 transitions. [2020-11-28 03:17:24,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 03:17:24,318 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:24,319 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:17:24,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:17:24,319 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:24,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:24,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1093992796, now seen corresponding path program 1 times [2020-11-28 03:17:24,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:24,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505046570] [2020-11-28 03:17:24,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:24,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:24,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505046570] [2020-11-28 03:17:24,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:24,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:17:24,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983632362] [2020-11-28 03:17:24,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:17:24,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:24,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:17:24,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:17:24,384 INFO L87 Difference]: Start difference. First operand 385 states and 576 transitions. Second operand 5 states. [2020-11-28 03:17:24,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:24,595 INFO L93 Difference]: Finished difference Result 1012 states and 1506 transitions. [2020-11-28 03:17:24,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:17:24,595 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2020-11-28 03:17:24,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:24,600 INFO L225 Difference]: With dead ends: 1012 [2020-11-28 03:17:24,600 INFO L226 Difference]: Without dead ends: 641 [2020-11-28 03:17:24,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:17:24,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2020-11-28 03:17:24,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 433. [2020-11-28 03:17:24,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2020-11-28 03:17:24,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 624 transitions. [2020-11-28 03:17:24,639 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 624 transitions. Word has length 44 [2020-11-28 03:17:24,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:24,639 INFO L481 AbstractCegarLoop]: Abstraction has 433 states and 624 transitions. [2020-11-28 03:17:24,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:17:24,640 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 624 transitions. [2020-11-28 03:17:24,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 03:17:24,641 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:24,641 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:17:24,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:17:24,642 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:24,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:24,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1352158234, now seen corresponding path program 1 times [2020-11-28 03:17:24,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:24,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774074535] [2020-11-28 03:17:24,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:24,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:24,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774074535] [2020-11-28 03:17:24,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:24,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:17:24,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759776295] [2020-11-28 03:17:24,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:17:24,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:24,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:17:24,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:17:24,717 INFO L87 Difference]: Start difference. First operand 433 states and 624 transitions. Second operand 4 states. [2020-11-28 03:17:24,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:24,887 INFO L93 Difference]: Finished difference Result 1040 states and 1486 transitions. [2020-11-28 03:17:24,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:17:24,888 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2020-11-28 03:17:24,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:24,892 INFO L225 Difference]: With dead ends: 1040 [2020-11-28 03:17:24,892 INFO L226 Difference]: Without dead ends: 621 [2020-11-28 03:17:24,893 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:17:24,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2020-11-28 03:17:24,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 465. [2020-11-28 03:17:24,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2020-11-28 03:17:24,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 656 transitions. [2020-11-28 03:17:24,945 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 656 transitions. Word has length 44 [2020-11-28 03:17:24,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:24,947 INFO L481 AbstractCegarLoop]: Abstraction has 465 states and 656 transitions. [2020-11-28 03:17:24,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:17:24,947 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 656 transitions. [2020-11-28 03:17:24,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 03:17:24,949 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:24,950 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:17:24,950 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:17:24,950 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:24,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:24,951 INFO L82 PathProgramCache]: Analyzing trace with hash 341040984, now seen corresponding path program 1 times [2020-11-28 03:17:24,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:24,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947734886] [2020-11-28 03:17:24,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:25,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:25,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947734886] [2020-11-28 03:17:25,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:25,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:17:25,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523429579] [2020-11-28 03:17:25,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:25,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:25,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:25,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:25,043 INFO L87 Difference]: Start difference. First operand 465 states and 656 transitions. Second operand 3 states. [2020-11-28 03:17:25,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:25,143 INFO L93 Difference]: Finished difference Result 1072 states and 1510 transitions. [2020-11-28 03:17:25,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:25,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-11-28 03:17:25,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:25,149 INFO L225 Difference]: With dead ends: 1072 [2020-11-28 03:17:25,149 INFO L226 Difference]: Without dead ends: 621 [2020-11-28 03:17:25,150 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 [2020-11-28 03:17:25,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2020-11-28 03:17:25,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 621. [2020-11-28 03:17:25,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-11-28 03:17:25,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 856 transitions. [2020-11-28 03:17:25,207 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 856 transitions. Word has length 44 [2020-11-28 03:17:25,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:25,207 INFO L481 AbstractCegarLoop]: Abstraction has 621 states and 856 transitions. [2020-11-28 03:17:25,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:25,207 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 856 transitions. [2020-11-28 03:17:25,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 03:17:25,208 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:25,208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:17:25,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:17:25,210 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:25,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:25,210 INFO L82 PathProgramCache]: Analyzing trace with hash 772865075, now seen corresponding path program 1 times [2020-11-28 03:17:25,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:25,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881357609] [2020-11-28 03:17:25,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:25,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:25,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881357609] [2020-11-28 03:17:25,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:25,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:17:25,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327574993] [2020-11-28 03:17:25,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:25,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:25,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:25,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:25,280 INFO L87 Difference]: Start difference. First operand 621 states and 856 transitions. Second operand 3 states. [2020-11-28 03:17:25,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:25,396 INFO L93 Difference]: Finished difference Result 1008 states and 1401 transitions. [2020-11-28 03:17:25,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:25,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-11-28 03:17:25,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:25,403 INFO L225 Difference]: With dead ends: 1008 [2020-11-28 03:17:25,403 INFO L226 Difference]: Without dead ends: 1006 [2020-11-28 03:17:25,404 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 [2020-11-28 03:17:25,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2020-11-28 03:17:25,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 771. [2020-11-28 03:17:25,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2020-11-28 03:17:25,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1087 transitions. [2020-11-28 03:17:25,474 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1087 transitions. Word has length 45 [2020-11-28 03:17:25,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:25,475 INFO L481 AbstractCegarLoop]: Abstraction has 771 states and 1087 transitions. [2020-11-28 03:17:25,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:25,475 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1087 transitions. [2020-11-28 03:17:25,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-28 03:17:25,477 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:25,477 INFO L422 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] [2020-11-28 03:17:25,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:17:25,478 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:25,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:25,478 INFO L82 PathProgramCache]: Analyzing trace with hash -921794261, now seen corresponding path program 1 times [2020-11-28 03:17:25,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:25,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909606162] [2020-11-28 03:17:25,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:25,545 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:25,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909606162] [2020-11-28 03:17:25,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:25,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:17:25,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550749180] [2020-11-28 03:17:25,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:25,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:25,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:25,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:25,549 INFO L87 Difference]: Start difference. First operand 771 states and 1087 transitions. Second operand 3 states. [2020-11-28 03:17:25,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:25,717 INFO L93 Difference]: Finished difference Result 1623 states and 2315 transitions. [2020-11-28 03:17:25,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:25,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2020-11-28 03:17:25,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:25,724 INFO L225 Difference]: With dead ends: 1623 [2020-11-28 03:17:25,724 INFO L226 Difference]: Without dead ends: 1022 [2020-11-28 03:17:25,726 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 [2020-11-28 03:17:25,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2020-11-28 03:17:25,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 1020. [2020-11-28 03:17:25,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1020 states. [2020-11-28 03:17:25,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1419 transitions. [2020-11-28 03:17:25,835 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1419 transitions. Word has length 66 [2020-11-28 03:17:25,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:25,835 INFO L481 AbstractCegarLoop]: Abstraction has 1020 states and 1419 transitions. [2020-11-28 03:17:25,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:25,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1419 transitions. [2020-11-28 03:17:25,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-28 03:17:25,838 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:25,838 INFO L422 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] [2020-11-28 03:17:25,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:17:25,839 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:25,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:25,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1179959699, now seen corresponding path program 1 times [2020-11-28 03:17:25,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:25,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923903497] [2020-11-28 03:17:25,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:25,927 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:25,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923903497] [2020-11-28 03:17:25,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:25,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:17:25,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496488705] [2020-11-28 03:17:25,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:25,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:25,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:25,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:25,931 INFO L87 Difference]: Start difference. First operand 1020 states and 1419 transitions. Second operand 3 states. [2020-11-28 03:17:26,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:26,131 INFO L93 Difference]: Finished difference Result 2326 states and 3260 transitions. [2020-11-28 03:17:26,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:26,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2020-11-28 03:17:26,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:26,139 INFO L225 Difference]: With dead ends: 2326 [2020-11-28 03:17:26,139 INFO L226 Difference]: Without dead ends: 1320 [2020-11-28 03:17:26,143 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 [2020-11-28 03:17:26,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2020-11-28 03:17:26,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2020-11-28 03:17:26,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1320 states. [2020-11-28 03:17:26,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1808 transitions. [2020-11-28 03:17:26,244 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1808 transitions. Word has length 66 [2020-11-28 03:17:26,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:26,245 INFO L481 AbstractCegarLoop]: Abstraction has 1320 states and 1808 transitions. [2020-11-28 03:17:26,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:26,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1808 transitions. [2020-11-28 03:17:26,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-28 03:17:26,248 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:26,248 INFO L422 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] [2020-11-28 03:17:26,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 03:17:26,248 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:26,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:26,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1470224721, now seen corresponding path program 1 times [2020-11-28 03:17:26,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:26,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055124143] [2020-11-28 03:17:26,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:26,336 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:26,433 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:26,520 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:26,520 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:17:26,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 03:17:26,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:17:26 BoogieIcfgContainer [2020-11-28 03:17:26,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:17:26,728 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:17:26,728 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:17:26,728 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:17:26,729 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:21" (3/4) ... [2020-11-28 03:17:26,730 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 03:17:26,920 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c5025a2d-52c4-440b-9aca-5c575b80f31c/bin/uautomizer/witness.graphml [2020-11-28 03:17:26,920 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:17:26,922 INFO L168 Benchmark]: Toolchain (without parser) took 7944.76 ms. Allocated memory was 113.2 MB in the beginning and 224.4 MB in the end (delta: 111.1 MB). Free memory was 83.6 MB in the beginning and 108.4 MB in the end (delta: -24.8 MB). Peak memory consumption was 87.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:26,923 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory is still 48.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:17:26,923 INFO L168 Benchmark]: CACSL2BoogieTranslator took 606.21 ms. Allocated memory is still 113.2 MB. Free memory was 83.3 MB in the beginning and 76.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:26,924 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.69 ms. Allocated memory is still 113.2 MB. Free memory was 76.4 MB in the beginning and 64.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:26,924 INFO L168 Benchmark]: Boogie Preprocessor took 194.17 ms. Allocated memory is still 113.2 MB. Free memory was 64.7 MB in the beginning and 57.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:26,924 INFO L168 Benchmark]: RCFGBuilder took 1901.14 ms. Allocated memory was 113.2 MB in the beginning and 146.8 MB in the end (delta: 33.6 MB). Free memory was 57.0 MB in the beginning and 95.5 MB in the end (delta: -38.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:26,925 INFO L168 Benchmark]: TraceAbstraction took 4874.75 ms. Allocated memory was 146.8 MB in the beginning and 224.4 MB in the end (delta: 77.6 MB). Free memory was 95.5 MB in the beginning and 144.1 MB in the end (delta: -48.6 MB). Peak memory consumption was 113.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:26,925 INFO L168 Benchmark]: Witness Printer took 192.45 ms. Allocated memory is still 224.4 MB. Free memory was 144.1 MB in the beginning and 108.4 MB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:26,927 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory is still 48.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 606.21 ms. Allocated memory is still 113.2 MB. Free memory was 83.3 MB in the beginning and 76.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 169.69 ms. Allocated memory is still 113.2 MB. Free memory was 76.4 MB in the beginning and 64.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 194.17 ms. Allocated memory is still 113.2 MB. Free memory was 64.7 MB in the beginning and 57.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1901.14 ms. Allocated memory was 113.2 MB in the beginning and 146.8 MB in the end (delta: 33.6 MB). Free memory was 57.0 MB in the beginning and 95.5 MB in the end (delta: -38.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4874.75 ms. Allocated memory was 146.8 MB in the beginning and 224.4 MB in the end (delta: 77.6 MB). Free memory was 95.5 MB in the beginning and 144.1 MB in the end (delta: -48.6 MB). Peak memory consumption was 113.5 MB. Max. memory is 16.1 GB. * Witness Printer took 192.45 ms. Allocated memory is still 224.4 MB. Free memory was 144.1 MB in the beginning and 108.4 MB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 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: [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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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=47, __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] [L3] __assert_fail("0", "minepump_spec2_productSimulator.cil.c", 3, "reach_error") VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __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] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 477 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.5s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3862 SDtfs, 4767 SDslu, 5979 SDs, 0 SdLazy, 577 SolverSat, 149 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1320occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 2248 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 530 NumberOfCodeBlocks, 530 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 452 ConstructedInterpolants, 0 QuantifiedInterpolants, 41200 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! Received shutdown request...