./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_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_3b1ecac9-bf15-445f-8677-0e494a978a42/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3b1ecac9-bf15-445f-8677-0e494a978a42/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3b1ecac9-bf15-445f-8677-0e494a978a42/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3b1ecac9-bf15-445f-8677-0e494a978a42/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3b1ecac9-bf15-445f-8677-0e494a978a42/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3b1ecac9-bf15-445f-8677-0e494a978a42/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 bb7a46e472d875a33249a5df380376743390ac30 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:08:45,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:08:45,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:08:45,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:08:45,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:08:45,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:08:45,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:08:45,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:08:45,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:08:45,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:08:45,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:08:45,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:08:45,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:08:45,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:08:45,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:08:45,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:08:45,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:08:45,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:08:45,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:08:45,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:08:45,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:08:45,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:08:45,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:08:45,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:08:45,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:08:45,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:08:45,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:08:45,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:08:45,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:08:45,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:08:45,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:08:45,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:08:45,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:08:45,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:08:45,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:08:45,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:08:45,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:08:45,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:08:45,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:08:45,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:08:45,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:08:45,861 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3b1ecac9-bf15-445f-8677-0e494a978a42/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:08:45,900 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:08:45,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:08:45,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:08:45,903 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:08:45,903 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:08:45,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:08:45,904 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:08:45,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:08:45,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:08:45,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:08:45,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:08:45,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:08:45,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:08:45,906 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:08:45,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:08:45,907 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:08:45,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:08:45,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:08:45,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:08:45,908 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:08:45,908 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:08:45,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:08:45,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:08:45,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:08:45,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:08:45,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:08:45,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:08:45,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:08:45,910 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:08:45,911 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_3b1ecac9-bf15-445f-8677-0e494a978a42/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3b1ecac9-bf15-445f-8677-0e494a978a42/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb7a46e472d875a33249a5df380376743390ac30 [2020-11-28 03:08:46,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:08:46,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:08:46,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:08:46,289 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:08:46,290 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:08:46,291 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3b1ecac9-bf15-445f-8677-0e494a978a42/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2020-11-28 03:08:46,360 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b1ecac9-bf15-445f-8677-0e494a978a42/bin/uautomizer/data/092612d72/57e5eb51ac2f4daf86b54de0a5cc59cb/FLAG0f6a22c40 [2020-11-28 03:08:46,863 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:08:46,864 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3b1ecac9-bf15-445f-8677-0e494a978a42/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2020-11-28 03:08:46,887 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b1ecac9-bf15-445f-8677-0e494a978a42/bin/uautomizer/data/092612d72/57e5eb51ac2f4daf86b54de0a5cc59cb/FLAG0f6a22c40 [2020-11-28 03:08:47,191 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3b1ecac9-bf15-445f-8677-0e494a978a42/bin/uautomizer/data/092612d72/57e5eb51ac2f4daf86b54de0a5cc59cb [2020-11-28 03:08:47,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:08:47,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:08:47,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:08:47,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:08:47,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:08:47,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:08:47" (1/1) ... [2020-11-28 03:08:47,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7982fd70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47, skipping insertion in model container [2020-11-28 03:08:47,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:08:47" (1/1) ... [2020-11-28 03:08:47,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:08:47,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:08:47,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:08:47,675 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:08:47,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:08:47,794 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:08:47,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47 WrapperNode [2020-11-28 03:08:47,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:08:47,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:08:47,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:08:47,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:08:47,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47" (1/1) ... [2020-11-28 03:08:47,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47" (1/1) ... [2020-11-28 03:08:47,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:08:47,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:08:47,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:08:47,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:08:47,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47" (1/1) ... [2020-11-28 03:08:47,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47" (1/1) ... [2020-11-28 03:08:48,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47" (1/1) ... [2020-11-28 03:08:48,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47" (1/1) ... [2020-11-28 03:08:48,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47" (1/1) ... [2020-11-28 03:08:48,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47" (1/1) ... [2020-11-28 03:08:48,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47" (1/1) ... [2020-11-28 03:08:48,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:08:48,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:08:48,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:08:48,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:08:48,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b1ecac9-bf15-445f-8677-0e494a978a42/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 03:08:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:08:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:08:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:08:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:08:50,629 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:08:50,629 INFO L298 CfgBuilder]: Removed 906 assume(true) statements. [2020-11-28 03:08:50,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:08:50 BoogieIcfgContainer [2020-11-28 03:08:50,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:08:50,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:08:50,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:08:50,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:08:50,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:08:47" (1/3) ... [2020-11-28 03:08:50,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa92ead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:08:50, skipping insertion in model container [2020-11-28 03:08:50,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47" (2/3) ... [2020-11-28 03:08:50,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa92ead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:08:50, skipping insertion in model container [2020-11-28 03:08:50,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:08:50" (3/3) ... [2020-11-28 03:08:50,645 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_productSimulator.cil.c [2020-11-28 03:08:50,659 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:08:50,665 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:08:50,677 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:08:50,715 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:08:50,715 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:08:50,715 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:08:50,715 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:08:50,716 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:08:50,716 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:08:50,716 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:08:50,716 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:08:50,741 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states. [2020-11-28 03:08:50,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 03:08:50,748 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:08:50,748 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] [2020-11-28 03:08:50,749 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:08:50,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:08:50,755 INFO L82 PathProgramCache]: Analyzing trace with hash 169180442, now seen corresponding path program 1 times [2020-11-28 03:08:50,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:08:50,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988794155] [2020-11-28 03:08:50,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:08:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:08:51,005 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 03:08:51,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988794155] [2020-11-28 03:08:51,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:08:51,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:08:51,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441634884] [2020-11-28 03:08:51,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:08:51,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:08:51,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:08:51,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:08:51,028 INFO L87 Difference]: Start difference. First operand 473 states. Second operand 2 states. [2020-11-28 03:08:51,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:08:51,132 INFO L93 Difference]: Finished difference Result 930 states and 1457 transitions. [2020-11-28 03:08:51,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:08:51,133 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2020-11-28 03:08:51,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:08:51,153 INFO L225 Difference]: With dead ends: 930 [2020-11-28 03:08:51,153 INFO L226 Difference]: Without dead ends: 466 [2020-11-28 03:08:51,159 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 03:08:51,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-11-28 03:08:51,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 466. [2020-11-28 03:08:51,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2020-11-28 03:08:51,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 722 transitions. [2020-11-28 03:08:51,240 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 722 transitions. Word has length 23 [2020-11-28 03:08:51,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:08:51,241 INFO L481 AbstractCegarLoop]: Abstraction has 466 states and 722 transitions. [2020-11-28 03:08:51,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:08:51,242 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 722 transitions. [2020-11-28 03:08:51,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:08:51,244 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:08:51,244 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] [2020-11-28 03:08:51,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:08:51,246 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:08:51,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:08:51,246 INFO L82 PathProgramCache]: Analyzing trace with hash -707980802, now seen corresponding path program 1 times [2020-11-28 03:08:51,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:08:51,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992600049] [2020-11-28 03:08:51,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:08:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:08:51,470 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 03:08:51,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992600049] [2020-11-28 03:08:51,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:08:51,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:08:51,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753226525] [2020-11-28 03:08:51,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:08:51,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:08:51,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:08:51,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:08:51,474 INFO L87 Difference]: Start difference. First operand 466 states and 722 transitions. Second operand 3 states. [2020-11-28 03:08:51,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:08:51,494 INFO L93 Difference]: Finished difference Result 466 states and 722 transitions. [2020-11-28 03:08:51,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:08:51,495 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 03:08:51,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:08:51,497 INFO L225 Difference]: With dead ends: 466 [2020-11-28 03:08:51,497 INFO L226 Difference]: Without dead ends: 172 [2020-11-28 03:08:51,499 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 03:08:51,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-11-28 03:08:51,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2020-11-28 03:08:51,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-11-28 03:08:51,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 263 transitions. [2020-11-28 03:08:51,512 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 263 transitions. Word has length 24 [2020-11-28 03:08:51,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:08:51,512 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 263 transitions. [2020-11-28 03:08:51,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:08:51,513 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 263 transitions. [2020-11-28 03:08:51,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 03:08:51,514 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:08:51,514 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] [2020-11-28 03:08:51,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:08:51,515 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:08:51,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:08:51,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1978143563, now seen corresponding path program 1 times [2020-11-28 03:08:51,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:08:51,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435649111] [2020-11-28 03:08:51,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:08:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:08:51,606 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 03:08:51,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435649111] [2020-11-28 03:08:51,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:08:51,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:08:51,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314168202] [2020-11-28 03:08:51,608 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:08:51,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:08:51,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:08:51,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:08:51,609 INFO L87 Difference]: Start difference. First operand 172 states and 263 transitions. Second operand 3 states. [2020-11-28 03:08:51,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:08:51,654 INFO L93 Difference]: Finished difference Result 490 states and 763 transitions. [2020-11-28 03:08:51,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:08:51,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2020-11-28 03:08:51,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:08:51,658 INFO L225 Difference]: With dead ends: 490 [2020-11-28 03:08:51,659 INFO L226 Difference]: Without dead ends: 331 [2020-11-28 03:08:51,660 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 03:08:51,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2020-11-28 03:08:51,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 327. [2020-11-28 03:08:51,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-11-28 03:08:51,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 508 transitions. [2020-11-28 03:08:51,703 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 508 transitions. Word has length 30 [2020-11-28 03:08:51,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:08:51,704 INFO L481 AbstractCegarLoop]: Abstraction has 327 states and 508 transitions. [2020-11-28 03:08:51,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:08:51,704 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 508 transitions. [2020-11-28 03:08:51,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:08:51,708 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:08:51,708 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] [2020-11-28 03:08:51,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:08:51,709 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:08:51,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:08:51,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1554604317, now seen corresponding path program 1 times [2020-11-28 03:08:51,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:08:51,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844339359] [2020-11-28 03:08:51,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:08:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:08:51,821 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 03:08:51,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844339359] [2020-11-28 03:08:51,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:08:51,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:08:51,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566581405] [2020-11-28 03:08:51,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:08:51,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:08:51,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:08:51,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:08:51,824 INFO L87 Difference]: Start difference. First operand 327 states and 508 transitions. Second operand 3 states. [2020-11-28 03:08:52,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:08:52,004 INFO L93 Difference]: Finished difference Result 662 states and 1041 transitions. [2020-11-28 03:08:52,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:08:52,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-11-28 03:08:52,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:08:52,008 INFO L225 Difference]: With dead ends: 662 [2020-11-28 03:08:52,008 INFO L226 Difference]: Without dead ends: 348 [2020-11-28 03:08:52,009 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 03:08:52,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-11-28 03:08:52,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 346. [2020-11-28 03:08:52,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2020-11-28 03:08:52,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 526 transitions. [2020-11-28 03:08:52,034 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 526 transitions. Word has length 33 [2020-11-28 03:08:52,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:08:52,034 INFO L481 AbstractCegarLoop]: Abstraction has 346 states and 526 transitions. [2020-11-28 03:08:52,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:08:52,034 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 526 transitions. [2020-11-28 03:08:52,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:08:52,043 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:08:52,043 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] [2020-11-28 03:08:52,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:08:52,044 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:08:52,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:08:52,047 INFO L82 PathProgramCache]: Analyzing trace with hash 965063802, now seen corresponding path program 1 times [2020-11-28 03:08:52,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:08:52,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375601417] [2020-11-28 03:08:52,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:08:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:08:52,185 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 03:08:52,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375601417] [2020-11-28 03:08:52,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:08:52,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:08:52,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281548133] [2020-11-28 03:08:52,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:08:52,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:08:52,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:08:52,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:08:52,187 INFO L87 Difference]: Start difference. First operand 346 states and 526 transitions. Second operand 5 states. [2020-11-28 03:08:52,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:08:52,456 INFO L93 Difference]: Finished difference Result 1288 states and 1972 transitions. [2020-11-28 03:08:52,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:08:52,460 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-28 03:08:52,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:08:52,466 INFO L225 Difference]: With dead ends: 1288 [2020-11-28 03:08:52,467 INFO L226 Difference]: Without dead ends: 955 [2020-11-28 03:08:52,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:08:52,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2020-11-28 03:08:52,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 529. [2020-11-28 03:08:52,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2020-11-28 03:08:52,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 787 transitions. [2020-11-28 03:08:52,505 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 787 transitions. Word has length 33 [2020-11-28 03:08:52,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:08:52,505 INFO L481 AbstractCegarLoop]: Abstraction has 529 states and 787 transitions. [2020-11-28 03:08:52,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:08:52,506 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 787 transitions. [2020-11-28 03:08:52,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 03:08:52,509 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:08:52,509 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] [2020-11-28 03:08:52,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:08:52,510 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:08:52,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:08:52,511 INFO L82 PathProgramCache]: Analyzing trace with hash -513795011, now seen corresponding path program 1 times [2020-11-28 03:08:52,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:08:52,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921574958] [2020-11-28 03:08:52,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:08:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:08:52,632 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 03:08:52,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921574958] [2020-11-28 03:08:52,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:08:52,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:08:52,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918975805] [2020-11-28 03:08:52,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:08:52,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:08:52,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:08:52,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:08:52,634 INFO L87 Difference]: Start difference. First operand 529 states and 787 transitions. Second operand 5 states. [2020-11-28 03:08:53,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:08:53,085 INFO L93 Difference]: Finished difference Result 1285 states and 1947 transitions. [2020-11-28 03:08:53,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:08:53,085 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-11-28 03:08:53,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:08:53,094 INFO L225 Difference]: With dead ends: 1285 [2020-11-28 03:08:53,094 INFO L226 Difference]: Without dead ends: 1283 [2020-11-28 03:08:53,095 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 03:08:53,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2020-11-28 03:08:53,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 529. [2020-11-28 03:08:53,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2020-11-28 03:08:53,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 785 transitions. [2020-11-28 03:08:53,137 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 785 transitions. Word has length 34 [2020-11-28 03:08:53,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:08:53,141 INFO L481 AbstractCegarLoop]: Abstraction has 529 states and 785 transitions. [2020-11-28 03:08:53,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:08:53,142 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 785 transitions. [2020-11-28 03:08:53,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 03:08:53,143 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:08:53,143 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] [2020-11-28 03:08:53,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:08:53,144 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:08:53,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:08:53,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1956123376, now seen corresponding path program 1 times [2020-11-28 03:08:53,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:08:53,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762614574] [2020-11-28 03:08:53,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:08:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:08:53,253 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 03:08:53,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762614574] [2020-11-28 03:08:53,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:08:53,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:08:53,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575113280] [2020-11-28 03:08:53,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:08:53,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:08:53,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:08:53,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:08:53,256 INFO L87 Difference]: Start difference. First operand 529 states and 785 transitions. Second operand 4 states. [2020-11-28 03:08:53,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:08:53,524 INFO L93 Difference]: Finished difference Result 1127 states and 1690 transitions. [2020-11-28 03:08:53,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:08:53,525 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2020-11-28 03:08:53,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:08:53,530 INFO L225 Difference]: With dead ends: 1127 [2020-11-28 03:08:53,530 INFO L226 Difference]: Without dead ends: 794 [2020-11-28 03:08:53,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:08:53,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2020-11-28 03:08:53,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 790. [2020-11-28 03:08:53,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-11-28 03:08:53,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1162 transitions. [2020-11-28 03:08:53,603 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1162 transitions. Word has length 42 [2020-11-28 03:08:53,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:08:53,603 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 1162 transitions. [2020-11-28 03:08:53,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:08:53,603 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1162 transitions. [2020-11-28 03:08:53,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 03:08:53,606 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:08:53,606 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] [2020-11-28 03:08:53,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:08:53,607 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:08:53,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:08:53,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1369317362, now seen corresponding path program 1 times [2020-11-28 03:08:53,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:08:53,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485159988] [2020-11-28 03:08:53,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:08:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:08:53,704 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 03:08:53,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485159988] [2020-11-28 03:08:53,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:08:53,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:08:53,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427495851] [2020-11-28 03:08:53,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:08:53,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:08:53,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:08:53,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:08:53,707 INFO L87 Difference]: Start difference. First operand 790 states and 1162 transitions. Second operand 4 states. [2020-11-28 03:08:53,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:08:53,973 INFO L93 Difference]: Finished difference Result 2183 states and 3255 transitions. [2020-11-28 03:08:53,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:08:53,974 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2020-11-28 03:08:53,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:08:53,984 INFO L225 Difference]: With dead ends: 2183 [2020-11-28 03:08:53,985 INFO L226 Difference]: Without dead ends: 1587 [2020-11-28 03:08:53,987 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 03:08:53,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2020-11-28 03:08:54,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 790. [2020-11-28 03:08:54,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-11-28 03:08:54,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1146 transitions. [2020-11-28 03:08:54,054 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1146 transitions. Word has length 42 [2020-11-28 03:08:54,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:08:54,054 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 1146 transitions. [2020-11-28 03:08:54,055 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:08:54,055 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1146 transitions. [2020-11-28 03:08:54,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 03:08:54,056 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:08:54,056 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] [2020-11-28 03:08:54,056 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:08:54,057 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:08:54,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:08:54,057 INFO L82 PathProgramCache]: Analyzing trace with hash 2070381940, now seen corresponding path program 1 times [2020-11-28 03:08:54,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:08:54,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8069109] [2020-11-28 03:08:54,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:08:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:08:54,160 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 03:08:54,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8069109] [2020-11-28 03:08:54,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:08:54,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:08:54,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015385392] [2020-11-28 03:08:54,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:08:54,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:08:54,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:08:54,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:08:54,163 INFO L87 Difference]: Start difference. First operand 790 states and 1146 transitions. Second operand 5 states. [2020-11-28 03:08:54,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:08:54,465 INFO L93 Difference]: Finished difference Result 1944 states and 2841 transitions. [2020-11-28 03:08:54,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:08:54,466 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2020-11-28 03:08:54,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:08:54,475 INFO L225 Difference]: With dead ends: 1944 [2020-11-28 03:08:54,475 INFO L226 Difference]: Without dead ends: 1348 [2020-11-28 03:08:54,476 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:08:54,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2020-11-28 03:08:54,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 861. [2020-11-28 03:08:54,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-11-28 03:08:54,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1257 transitions. [2020-11-28 03:08:54,537 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1257 transitions. Word has length 42 [2020-11-28 03:08:54,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:08:54,538 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 1257 transitions. [2020-11-28 03:08:54,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:08:54,538 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1257 transitions. [2020-11-28 03:08:54,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 03:08:54,540 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:08:54,540 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2020-11-28 03:08:54,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:08:54,540 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:08:54,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:08:54,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1226779914, now seen corresponding path program 1 times [2020-11-28 03:08:54,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:08:54,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966263882] [2020-11-28 03:08:54,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:08:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:08:54,621 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 03:08:54,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966263882] [2020-11-28 03:08:54,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:08:54,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:08:54,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576419982] [2020-11-28 03:08:54,622 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:08:54,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:08:54,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:08:54,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:08:54,623 INFO L87 Difference]: Start difference. First operand 861 states and 1257 transitions. Second operand 3 states. [2020-11-28 03:08:54,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:08:54,797 INFO L93 Difference]: Finished difference Result 1375 states and 2003 transitions. [2020-11-28 03:08:54,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:08:54,798 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-11-28 03:08:54,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:08:54,802 INFO L225 Difference]: With dead ends: 1375 [2020-11-28 03:08:54,802 INFO L226 Difference]: Without dead ends: 527 [2020-11-28 03:08:54,804 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 03:08:54,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2020-11-28 03:08:54,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 519. [2020-11-28 03:08:54,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2020-11-28 03:08:54,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 747 transitions. [2020-11-28 03:08:54,840 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 747 transitions. Word has length 59 [2020-11-28 03:08:54,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:08:54,842 INFO L481 AbstractCegarLoop]: Abstraction has 519 states and 747 transitions. [2020-11-28 03:08:54,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:08:54,842 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 747 transitions. [2020-11-28 03:08:54,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 03:08:54,843 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:08:54,843 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-28 03:08:54,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:08:54,846 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:08:54,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:08:54,846 INFO L82 PathProgramCache]: Analyzing trace with hash 640505612, now seen corresponding path program 1 times [2020-11-28 03:08:54,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:08:54,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000611047] [2020-11-28 03:08:54,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:08:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:08:54,926 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 03:08:54,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000611047] [2020-11-28 03:08:54,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:08:54,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:08:54,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408073245] [2020-11-28 03:08:54,927 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:08:54,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:08:54,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:08:54,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:08:54,928 INFO L87 Difference]: Start difference. First operand 519 states and 747 transitions. Second operand 5 states. [2020-11-28 03:08:55,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:08:55,213 INFO L93 Difference]: Finished difference Result 1469 states and 2117 transitions. [2020-11-28 03:08:55,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:08:55,214 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-11-28 03:08:55,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:08:55,221 INFO L225 Difference]: With dead ends: 1469 [2020-11-28 03:08:55,221 INFO L226 Difference]: Without dead ends: 963 [2020-11-28 03:08:55,225 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 03:08:55,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2020-11-28 03:08:55,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 555. [2020-11-28 03:08:55,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2020-11-28 03:08:55,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 783 transitions. [2020-11-28 03:08:55,277 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 783 transitions. Word has length 59 [2020-11-28 03:08:55,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:08:55,277 INFO L481 AbstractCegarLoop]: Abstraction has 555 states and 783 transitions. [2020-11-28 03:08:55,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:08:55,278 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 783 transitions. [2020-11-28 03:08:55,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 03:08:55,279 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:08:55,279 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-28 03:08:55,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 03:08:55,280 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:08:55,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:08:55,280 INFO L82 PathProgramCache]: Analyzing trace with hash 2026709006, now seen corresponding path program 1 times [2020-11-28 03:08:55,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:08:55,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937409924] [2020-11-28 03:08:55,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:08:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:08:55,408 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 03:08:55,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937409924] [2020-11-28 03:08:55,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:08:55,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:08:55,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847795234] [2020-11-28 03:08:55,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:08:55,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:08:55,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:08:55,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:08:55,411 INFO L87 Difference]: Start difference. First operand 555 states and 783 transitions. Second operand 5 states. [2020-11-28 03:08:55,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:08:55,648 INFO L93 Difference]: Finished difference Result 1211 states and 1704 transitions. [2020-11-28 03:08:55,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:08:55,649 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-11-28 03:08:55,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:08:55,653 INFO L225 Difference]: With dead ends: 1211 [2020-11-28 03:08:55,653 INFO L226 Difference]: Without dead ends: 669 [2020-11-28 03:08:55,655 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:08:55,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2020-11-28 03:08:55,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 443. [2020-11-28 03:08:55,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-11-28 03:08:55,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 606 transitions. [2020-11-28 03:08:55,689 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 606 transitions. Word has length 59 [2020-11-28 03:08:55,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:08:55,690 INFO L481 AbstractCegarLoop]: Abstraction has 443 states and 606 transitions. [2020-11-28 03:08:55,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:08:55,690 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 606 transitions. [2020-11-28 03:08:55,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 03:08:55,691 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:08:55,691 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-28 03:08:55,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 03:08:55,692 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:08:55,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:08:55,692 INFO L82 PathProgramCache]: Analyzing trace with hash 343284371, now seen corresponding path program 1 times [2020-11-28 03:08:55,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:08:55,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396703883] [2020-11-28 03:08:55,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:08:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:08:55,742 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:08:55,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396703883] [2020-11-28 03:08:55,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:08:55,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:08:55,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186639319] [2020-11-28 03:08:55,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:08:55,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:08:55,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:08:55,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:08:55,744 INFO L87 Difference]: Start difference. First operand 443 states and 606 transitions. Second operand 3 states. [2020-11-28 03:08:55,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:08:55,882 INFO L93 Difference]: Finished difference Result 1010 states and 1399 transitions. [2020-11-28 03:08:55,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:08:55,882 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-11-28 03:08:55,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:08:55,886 INFO L225 Difference]: With dead ends: 1010 [2020-11-28 03:08:55,886 INFO L226 Difference]: Without dead ends: 580 [2020-11-28 03:08:55,887 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 03:08:55,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-11-28 03:08:55,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 567. [2020-11-28 03:08:55,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 567 states. [2020-11-28 03:08:55,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 768 transitions. [2020-11-28 03:08:55,945 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 768 transitions. Word has length 60 [2020-11-28 03:08:55,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:08:55,946 INFO L481 AbstractCegarLoop]: Abstraction has 567 states and 768 transitions. [2020-11-28 03:08:55,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:08:55,946 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 768 transitions. [2020-11-28 03:08:55,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 03:08:55,947 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:08:55,948 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-28 03:08:55,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-28 03:08:55,948 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:08:55,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:08:55,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1387647183, now seen corresponding path program 1 times [2020-11-28 03:08:55,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:08:55,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76833554] [2020-11-28 03:08:55,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:08:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:08:56,063 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:08:56,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76833554] [2020-11-28 03:08:56,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141135213] [2020-11-28 03:08:56,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b1ecac9-bf15-445f-8677-0e494a978a42/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:08:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:08:56,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 03:08:56,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:08:56,345 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:08:56,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:08:56,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-11-28 03:08:56,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278116173] [2020-11-28 03:08:56,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:08:56,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:08:56,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:08:56,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:08:56,349 INFO L87 Difference]: Start difference. First operand 567 states and 768 transitions. Second operand 6 states. [2020-11-28 03:08:57,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:08:57,174 INFO L93 Difference]: Finished difference Result 1580 states and 2148 transitions. [2020-11-28 03:08:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:08:57,174 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-11-28 03:08:57,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:08:57,182 INFO L225 Difference]: With dead ends: 1580 [2020-11-28 03:08:57,182 INFO L226 Difference]: Without dead ends: 1157 [2020-11-28 03:08:57,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-11-28 03:08:57,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2020-11-28 03:08:57,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 638. [2020-11-28 03:08:57,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2020-11-28 03:08:57,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 855 transitions. [2020-11-28 03:08:57,252 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 855 transitions. Word has length 61 [2020-11-28 03:08:57,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:08:57,252 INFO L481 AbstractCegarLoop]: Abstraction has 638 states and 855 transitions. [2020-11-28 03:08:57,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:08:57,253 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 855 transitions. [2020-11-28 03:08:57,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-28 03:08:57,254 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:08:57,255 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-28 03:08:57,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-28 03:08:57,479 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:08:57,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:08:57,479 INFO L82 PathProgramCache]: Analyzing trace with hash -181917100, now seen corresponding path program 2 times [2020-11-28 03:08:57,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:08:57,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682945252] [2020-11-28 03:08:57,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:08:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:08:57,571 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:08:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:08:57,644 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:08:57,749 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:08:57,751 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:08:57,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-28 03:08:57,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:08:57 BoogieIcfgContainer [2020-11-28 03:08:57,944 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:08:57,945 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:08:57,945 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:08:57,945 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:08:57,946 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:08:50" (3/4) ... [2020-11-28 03:08:57,948 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 03:08:58,155 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3b1ecac9-bf15-445f-8677-0e494a978a42/bin/uautomizer/witness.graphml [2020-11-28 03:08:58,156 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:08:58,157 INFO L168 Benchmark]: Toolchain (without parser) took 10958.59 ms. Allocated memory was 94.4 MB in the beginning and 209.7 MB in the end (delta: 115.3 MB). Free memory was 71.9 MB in the beginning and 153.7 MB in the end (delta: -81.8 MB). Peak memory consumption was 136.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:08:58,158 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 73.4 MB. Free memory was 53.6 MB in the beginning and 53.5 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:08:58,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.66 ms. Allocated memory is still 94.4 MB. Free memory was 71.7 MB in the beginning and 56.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:08:58,158 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.80 ms. Allocated memory is still 94.4 MB. Free memory was 56.5 MB in the beginning and 44.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:08:58,159 INFO L168 Benchmark]: Boogie Preprocessor took 155.13 ms. Allocated memory is still 94.4 MB. Free memory was 44.7 MB in the beginning and 37.1 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:08:58,159 INFO L168 Benchmark]: RCFGBuilder took 2500.63 ms. Allocated memory was 94.4 MB in the beginning and 140.5 MB in the end (delta: 46.1 MB). Free memory was 37.1 MB in the beginning and 82.3 MB in the end (delta: -45.2 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:08:58,160 INFO L168 Benchmark]: TraceAbstraction took 7311.01 ms. Allocated memory was 140.5 MB in the beginning and 209.7 MB in the end (delta: 69.2 MB). Free memory was 82.3 MB in the beginning and 77.0 MB in the end (delta: 5.3 MB). Peak memory consumption was 73.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:08:58,160 INFO L168 Benchmark]: Witness Printer took 210.90 ms. Allocated memory is still 209.7 MB. Free memory was 77.0 MB in the beginning and 153.7 MB in the end (delta: -76.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:08:58,163 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 73.4 MB. Free memory was 53.6 MB in the beginning and 53.5 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 592.66 ms. Allocated memory is still 94.4 MB. Free memory was 71.7 MB in the beginning and 56.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 178.80 ms. Allocated memory is still 94.4 MB. Free memory was 56.5 MB in the beginning and 44.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 155.13 ms. Allocated memory is still 94.4 MB. Free memory was 44.7 MB in the beginning and 37.1 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2500.63 ms. Allocated memory was 94.4 MB in the beginning and 140.5 MB in the end (delta: 46.1 MB). Free memory was 37.1 MB in the beginning and 82.3 MB in the end (delta: -45.2 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7311.01 ms. Allocated memory was 140.5 MB in the beginning and 209.7 MB in the end (delta: 69.2 MB). Free memory was 82.3 MB in the beginning and 77.0 MB in the end (delta: 5.3 MB). Peak memory consumption was 73.5 MB. Max. memory is 16.1 GB. * Witness Printer took 210.90 ms. Allocated memory is still 209.7 MB. Free memory was 77.0 MB in the beginning and 153.7 MB in the end (delta: -76.7 MB). Peak memory consumption was 25.2 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 cleanupTimeShifts = 4; [L147] int __SELECTED_FEATURE_base ; [L148] int __SELECTED_FEATURE_highWaterSensor ; [L149] int __SELECTED_FEATURE_lowWaterSensor ; [L150] int __SELECTED_FEATURE_methaneQuery ; [L151] int __SELECTED_FEATURE_methaneAlarm ; [L152] int __SELECTED_FEATURE_stopCommand ; [L153] int __SELECTED_FEATURE_startCommand ; [L154] int __GUIDSL_ROOT_PRODUCTION ; [L192] int pumpRunning = 0; [L193] int systemActive = 1; [L778] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L975] int waterLevel = 1; [L976] int methaneLevelCritical = 0; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] int retValue_acc ; [L124] int tmp ; [L1109] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1094] __SELECTED_FEATURE_base = 1 [L1080] int retValue_acc ; [L1081] int choice = __VERIFIER_nondet_int(); [L1084] retValue_acc = choice [L1085] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1095] __SELECTED_FEATURE_highWaterSensor = select_one() [L1080] int retValue_acc ; [L1081] int choice = __VERIFIER_nondet_int(); [L1084] retValue_acc = choice [L1085] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1096] __SELECTED_FEATURE_lowWaterSensor = select_one() [L1080] int retValue_acc ; [L1081] int choice = __VERIFIER_nondet_int(); [L1084] retValue_acc = choice [L1085] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1097] __SELECTED_FEATURE_methaneQuery = select_one() [L1080] int retValue_acc ; [L1081] int choice = __VERIFIER_nondet_int(); [L1084] retValue_acc = choice [L1085] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1098] __SELECTED_FEATURE_methaneAlarm = select_one() [L1080] int retValue_acc ; [L1081] int choice = __VERIFIER_nondet_int(); [L1084] retValue_acc = choice [L1085] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1099] __SELECTED_FEATURE_stopCommand = select_one() [L1080] int retValue_acc ; [L1081] int choice = __VERIFIER_nondet_int(); [L1084] retValue_acc = choice [L1085] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1100] __SELECTED_FEATURE_startCommand = select_one() [L1114] int retValue_acc ; [L1117] retValue_acc = __SELECTED_FEATURE_base [L1118] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] tmp = valid_product() [L132] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L524] int splverifierCounter ; [L525] int tmp ; [L526] int tmp___0 ; [L527] int tmp___1 ; [L528] int tmp___2 ; [L531] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L533] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L535] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L541] tmp = __VERIFIER_nondet_int() [L543] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L993] COND TRUE waterLevel < 2 [L994] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L551] tmp___0 = __VERIFIER_nondet_int() [L553] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L561] tmp___2 = __VERIFIER_nondet_int() [L563] COND FALSE !(\read(tmp___2)) [L573] tmp___1 = __VERIFIER_nondet_int() [L575] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L199] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L206] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L342] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L299] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L256] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L228] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L231] COND TRUE ! pumpRunning [L462] int retValue_acc ; [L463] int tmp ; [L464] int tmp___0 ; [L1055] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L1058] COND FALSE !(waterLevel < 2) [L1062] retValue_acc = 0 [L1063] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L468] tmp = isHighWaterSensorDry() [L470] COND FALSE !(\read(tmp)) [L473] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L475] retValue_acc = tmp___0 [L476] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L233] tmp = isHighWaterLevel() [L235] 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L384] COND FALSE !(\read(__SELECTED_FEATURE_methaneQuery)) [L359] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L158] int tmp ; [L159] int tmp___0 ; [L1046] int retValue_acc ; [L1049] retValue_acc = waterLevel [L1050] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L163] tmp = getWaterLevel() [L165] COND FALSE !(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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L533] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L535] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L541] tmp = __VERIFIER_nondet_int() [L543] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L551] tmp___0 = __VERIFIER_nondet_int() [L553] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L561] tmp___2 = __VERIFIER_nondet_int() [L563] COND FALSE !(\read(tmp___2)) [L573] tmp___1 = __VERIFIER_nondet_int() [L575] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L199] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L981] COND TRUE waterLevel > 0 [L982] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L206] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L342] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L299] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L256] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L228] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L231] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L158] int tmp ; [L159] int tmp___0 ; [L1046] int retValue_acc ; [L1049] retValue_acc = waterLevel [L1050] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L163] tmp = getWaterLevel() [L165] COND FALSE !(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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L533] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L535] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L541] tmp = __VERIFIER_nondet_int() [L543] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L551] tmp___0 = __VERIFIER_nondet_int() [L553] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L561] tmp___2 = __VERIFIER_nondet_int() [L563] COND FALSE !(\read(tmp___2)) [L573] tmp___1 = __VERIFIER_nondet_int() [L575] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L199] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L981] COND TRUE waterLevel > 0 [L982] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L206] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L342] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L299] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L256] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L228] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L231] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L158] int tmp ; [L159] int tmp___0 ; [L1046] int retValue_acc ; [L1049] retValue_acc = waterLevel [L1050] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L163] tmp = getWaterLevel() [L165] COND TRUE tmp == 0 [L417] int retValue_acc ; [L420] retValue_acc = pumpRunning [L421] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L167] tmp___0 = isPumpRunning() [L169] 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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L3] __assert_fail("0", "minepump_spec4_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}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 473 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.0s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5390 SDtfs, 5448 SDslu, 6620 SDs, 0 SdLazy, 794 SolverSat, 209 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=861occurred in iteration=9, 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, 14 MinimizatonAttempts, 3648 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 742 NumberOfCodeBlocks, 742 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 647 ConstructedInterpolants, 0 QuantifiedInterpolants, 55871 SizeOfPredicates, 4 NumberOfNonLiveVariables, 502 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 95/101 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...