./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product04.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_fc7a6887-95ce-4d84-8420-3061aec56048/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fc7a6887-95ce-4d84-8420-3061aec56048/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fc7a6887-95ce-4d84-8420-3061aec56048/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fc7a6887-95ce-4d84-8420-3061aec56048/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fc7a6887-95ce-4d84-8420-3061aec56048/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fc7a6887-95ce-4d84-8420-3061aec56048/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 2ef680651bdd5006981e8c6524edc2b3eb658126 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:04:55,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:04:55,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:04:55,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:04:55,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:04:55,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:04:55,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:04:55,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:04:55,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:04:55,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:04:55,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:04:55,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:04:55,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:04:55,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:04:55,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:04:55,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:04:55,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:04:55,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:04:55,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:04:55,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:04:55,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:04:55,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:04:55,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:04:55,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:04:55,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:04:55,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:04:55,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:04:55,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:04:55,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:04:55,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:04:55,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:04:55,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:04:55,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:04:55,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:04:55,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:04:55,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:04:55,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:04:55,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:04:55,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:04:55,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:04:55,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:04:55,667 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fc7a6887-95ce-4d84-8420-3061aec56048/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:04:55,713 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:04:55,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:04:55,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:04:55,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:04:55,717 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:04:55,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:04:55,718 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:04:55,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:04:55,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:04:55,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:04:55,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:04:55,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:04:55,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:04:55,719 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:04:55,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:04:55,719 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:04:55,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:04:55,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:04:55,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:04:55,720 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:04:55,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:04:55,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:04:55,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:04:55,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:04:55,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:04:55,722 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:04:55,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:04:55,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:04:55,722 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:04:55,723 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_fc7a6887-95ce-4d84-8420-3061aec56048/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fc7a6887-95ce-4d84-8420-3061aec56048/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ef680651bdd5006981e8c6524edc2b3eb658126 [2020-11-28 03:04:56,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:04:56,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:04:56,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:04:56,066 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:04:56,067 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:04:56,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fc7a6887-95ce-4d84-8420-3061aec56048/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2020-11-28 03:04:56,178 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fc7a6887-95ce-4d84-8420-3061aec56048/bin/uautomizer/data/df3aae9d4/bbcb2612bb224002a96052b6f21d83e5/FLAG6237cbdc1 [2020-11-28 03:04:56,812 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:04:56,813 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fc7a6887-95ce-4d84-8420-3061aec56048/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2020-11-28 03:04:56,827 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fc7a6887-95ce-4d84-8420-3061aec56048/bin/uautomizer/data/df3aae9d4/bbcb2612bb224002a96052b6f21d83e5/FLAG6237cbdc1 [2020-11-28 03:04:57,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fc7a6887-95ce-4d84-8420-3061aec56048/bin/uautomizer/data/df3aae9d4/bbcb2612bb224002a96052b6f21d83e5 [2020-11-28 03:04:57,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:04:57,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:04:57,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:04:57,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:04:57,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:04:57,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:04:57" (1/1) ... [2020-11-28 03:04:57,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8bf1422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:57, skipping insertion in model container [2020-11-28 03:04:57,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:04:57" (1/1) ... [2020-11-28 03:04:57,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:04:57,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:04:57,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:04:57,496 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:04:57,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:04:57,639 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:04:57,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:57 WrapperNode [2020-11-28 03:04:57,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:04:57,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:04:57,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:04:57,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:04:57,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:57" (1/1) ... [2020-11-28 03:04:57,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:57" (1/1) ... [2020-11-28 03:04:57,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:04:57,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:04:57,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:04:57,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:04:57,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:57" (1/1) ... [2020-11-28 03:04:57,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:57" (1/1) ... [2020-11-28 03:04:57,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:57" (1/1) ... [2020-11-28 03:04:57,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:57" (1/1) ... [2020-11-28 03:04:57,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:57" (1/1) ... [2020-11-28 03:04:57,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:57" (1/1) ... [2020-11-28 03:04:57,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:57" (1/1) ... [2020-11-28 03:04:57,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:04:57,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:04:57,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:04:57,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:04:57,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fc7a6887-95ce-4d84-8420-3061aec56048/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 03:04:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:04:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:04:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:04:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:04:58,907 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:04:58,910 INFO L298 CfgBuilder]: Removed 78 assume(true) statements. [2020-11-28 03:04:58,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:04:58 BoogieIcfgContainer [2020-11-28 03:04:58,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:04:58,915 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:04:58,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:04:58,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:04:58,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:04:57" (1/3) ... [2020-11-28 03:04:58,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cef9246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:04:58, skipping insertion in model container [2020-11-28 03:04:58,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:57" (2/3) ... [2020-11-28 03:04:58,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cef9246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:04:58, skipping insertion in model container [2020-11-28 03:04:58,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:04:58" (3/3) ... [2020-11-28 03:04:58,925 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product04.cil.c [2020-11-28 03:04:58,939 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:04:58,944 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:04:58,957 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:04:58,998 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:04:58,998 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:04:58,998 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:04:58,999 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:04:58,999 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:04:58,999 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:04:58,999 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:04:58,999 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:04:59,022 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2020-11-28 03:04:59,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 03:04:59,028 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:04:59,029 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:04:59,029 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:04:59,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:59,036 INFO L82 PathProgramCache]: Analyzing trace with hash -2113786432, now seen corresponding path program 1 times [2020-11-28 03:04:59,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:59,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817970105] [2020-11-28 03:04:59,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:04:59,348 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 03:04:59,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817970105] [2020-11-28 03:04:59,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:04:59,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:04:59,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155764947] [2020-11-28 03:04:59,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:04:59,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:04:59,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:04:59,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:04:59,369 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2020-11-28 03:04:59,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:04:59,394 INFO L93 Difference]: Finished difference Result 115 states and 170 transitions. [2020-11-28 03:04:59,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:04:59,395 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 03:04:59,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:04:59,405 INFO L225 Difference]: With dead ends: 115 [2020-11-28 03:04:59,405 INFO L226 Difference]: Without dead ends: 55 [2020-11-28 03:04:59,411 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 03:04:59,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-28 03:04:59,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-28 03:04:59,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-28 03:04:59,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2020-11-28 03:04:59,453 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2020-11-28 03:04:59,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:04:59,453 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2020-11-28 03:04:59,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:04:59,454 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-11-28 03:04:59,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 03:04:59,455 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:04:59,455 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:04:59,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:04:59,456 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:04:59,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:59,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1134423967, now seen corresponding path program 1 times [2020-11-28 03:04:59,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:59,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803952024] [2020-11-28 03:04:59,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:04:59,567 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 03:04:59,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803952024] [2020-11-28 03:04:59,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:04:59,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:04:59,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526535059] [2020-11-28 03:04:59,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:04:59,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:04:59,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:04:59,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:04:59,578 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2020-11-28 03:04:59,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:04:59,596 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-11-28 03:04:59,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:04:59,597 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-28 03:04:59,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:04:59,600 INFO L225 Difference]: With dead ends: 55 [2020-11-28 03:04:59,601 INFO L226 Difference]: Without dead ends: 29 [2020-11-28 03:04:59,602 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 03:04:59,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-28 03:04:59,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-28 03:04:59,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-28 03:04:59,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-11-28 03:04:59,616 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2020-11-28 03:04:59,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:04:59,616 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-11-28 03:04:59,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:04:59,617 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-11-28 03:04:59,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 03:04:59,619 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:04:59,619 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] [2020-11-28 03:04:59,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:04:59,621 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:04:59,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:59,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2020-11-28 03:04:59,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:59,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749081850] [2020-11-28 03:04:59,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:04:59,764 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 03:04:59,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749081850] [2020-11-28 03:04:59,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:04:59,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:04:59,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455972613] [2020-11-28 03:04:59,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:04:59,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:04:59,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:04:59,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:04:59,767 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 3 states. [2020-11-28 03:04:59,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:04:59,817 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2020-11-28 03:04:59,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:04:59,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-11-28 03:04:59,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:04:59,823 INFO L225 Difference]: With dead ends: 75 [2020-11-28 03:04:59,825 INFO L226 Difference]: Without dead ends: 52 [2020-11-28 03:04:59,826 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 03:04:59,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-11-28 03:04:59,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2020-11-28 03:04:59,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-11-28 03:04:59,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2020-11-28 03:04:59,846 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2020-11-28 03:04:59,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:04:59,847 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2020-11-28 03:04:59,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:04:59,848 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2020-11-28 03:04:59,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 03:04:59,850 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:04:59,851 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] [2020-11-28 03:04:59,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:04:59,852 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:04:59,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:59,853 INFO L82 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2020-11-28 03:04:59,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:59,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10158051] [2020-11-28 03:04:59,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:00,036 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 03:05:00,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10158051] [2020-11-28 03:05:00,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:00,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:05:00,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496933240] [2020-11-28 03:05:00,037 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:05:00,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:00,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:05:00,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:05:00,039 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2020-11-28 03:05:00,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:00,219 INFO L93 Difference]: Finished difference Result 169 states and 257 transitions. [2020-11-28 03:05:00,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:05:00,220 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-11-28 03:05:00,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:00,223 INFO L225 Difference]: With dead ends: 169 [2020-11-28 03:05:00,223 INFO L226 Difference]: Without dead ends: 127 [2020-11-28 03:05:00,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:05:00,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-11-28 03:05:00,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2020-11-28 03:05:00,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-11-28 03:05:00,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 119 transitions. [2020-11-28 03:05:00,245 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 119 transitions. Word has length 22 [2020-11-28 03:05:00,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:00,245 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 119 transitions. [2020-11-28 03:05:00,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:05:00,245 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2020-11-28 03:05:00,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 03:05:00,247 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:00,247 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 03:05:00,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:05:00,251 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:00,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:00,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1805520562, now seen corresponding path program 1 times [2020-11-28 03:05:00,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:00,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958590786] [2020-11-28 03:05:00,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:00,388 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 03:05:00,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958590786] [2020-11-28 03:05:00,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:00,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:05:00,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068026659] [2020-11-28 03:05:00,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:05:00,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:00,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:05:00,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:05:00,390 INFO L87 Difference]: Start difference. First operand 84 states and 119 transitions. Second operand 5 states. [2020-11-28 03:05:00,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:00,481 INFO L93 Difference]: Finished difference Result 220 states and 323 transitions. [2020-11-28 03:05:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:05:00,482 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-28 03:05:00,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:00,482 INFO L225 Difference]: With dead ends: 220 [2020-11-28 03:05:00,482 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:05:00,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 03:05:00,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:05:00,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:05:00,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:05:00,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:05:00,485 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-11-28 03:05:00,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:00,485 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:05:00,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:05:00,486 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:05:00,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:05:00,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:05:00,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:05:00,795 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:05:00,795 INFO L270 CegarLoopResult]: At program point L168(lines 1 869) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-28 03:05:00,795 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:05:00,795 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:05:00,796 INFO L274 CegarLoopResult]: For program point L449(lines 449 455) no Hoare annotation was computed. [2020-11-28 03:05:00,796 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:05:00,796 INFO L270 CegarLoopResult]: At program point L449-1(lines 278 284) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:05:00,796 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:05:00,796 INFO L270 CegarLoopResult]: At program point L285(lines 285 291) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:05:00,797 INFO L270 CegarLoopResult]: At program point L285-1(lines 285 291) the Hoare annotation is: false [2020-11-28 03:05:00,797 INFO L270 CegarLoopResult]: At program point L285-2(lines 285 291) the Hoare annotation is: false [2020-11-28 03:05:00,797 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-28 03:05:00,797 INFO L274 CegarLoopResult]: For program point L203(lines 203 207) no Hoare annotation was computed. [2020-11-28 03:05:00,797 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-28 03:05:00,797 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-28 03:05:00,798 INFO L270 CegarLoopResult]: At program point L337(lines 332 340) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:05:00,798 INFO L270 CegarLoopResult]: At program point L337-1(lines 332 340) the Hoare annotation is: false [2020-11-28 03:05:00,798 INFO L270 CegarLoopResult]: At program point L337-2(lines 332 340) the Hoare annotation is: false [2020-11-28 03:05:00,798 INFO L274 CegarLoopResult]: For program point L421(lines 421 427) no Hoare annotation was computed. [2020-11-28 03:05:00,798 INFO L270 CegarLoopResult]: At program point L421-1(lines 421 427) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:05:00,798 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:05:00,799 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-28 03:05:00,799 INFO L274 CegarLoopResult]: For program point L58-1(lines 278 284) no Hoare annotation was computed. [2020-11-28 03:05:00,799 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-11-28 03:05:00,799 INFO L274 CegarLoopResult]: For program point L191(lines 191 195) no Hoare annotation was computed. [2020-11-28 03:05:00,799 INFO L274 CegarLoopResult]: For program point L191-3(lines 191 195) no Hoare annotation was computed. [2020-11-28 03:05:00,800 INFO L274 CegarLoopResult]: For program point L191-6(lines 191 195) no Hoare annotation was computed. [2020-11-28 03:05:00,800 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:05:00,800 INFO L274 CegarLoopResult]: For program point L853(lines 853 866) no Hoare annotation was computed. [2020-11-28 03:05:00,800 INFO L270 CegarLoopResult]: At program point L853-1(lines 1 869) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:05:00,800 INFO L274 CegarLoopResult]: For program point L853-2(lines 853 866) no Hoare annotation was computed. [2020-11-28 03:05:00,801 INFO L270 CegarLoopResult]: At program point L853-3(lines 1 869) the Hoare annotation is: false [2020-11-28 03:05:00,801 INFO L274 CegarLoopResult]: For program point L853-4(lines 853 866) no Hoare annotation was computed. [2020-11-28 03:05:00,801 INFO L270 CegarLoopResult]: At program point L176(lines 171 179) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-28 03:05:00,801 INFO L270 CegarLoopResult]: At program point L853-5(lines 1 869) the Hoare annotation is: false [2020-11-28 03:05:00,801 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:05:00,801 INFO L274 CegarLoopResult]: For program point L441(lines 441 456) no Hoare annotation was computed. [2020-11-28 03:05:00,802 INFO L270 CegarLoopResult]: At program point L260(lines 255 263) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:05:00,802 INFO L270 CegarLoopResult]: At program point L260-1(lines 255 263) the Hoare annotation is: false [2020-11-28 03:05:00,802 INFO L270 CegarLoopResult]: At program point L260-2(lines 255 263) the Hoare annotation is: false [2020-11-28 03:05:00,802 INFO L270 CegarLoopResult]: At program point L278(lines 277 296) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:05:00,802 INFO L274 CegarLoopResult]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2020-11-28 03:05:00,802 INFO L270 CegarLoopResult]: At program point L278-2(lines 277 296) the Hoare annotation is: false [2020-11-28 03:05:00,803 INFO L270 CegarLoopResult]: At program point L278-3(lines 277 296) the Hoare annotation is: false [2020-11-28 03:05:00,803 INFO L274 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-11-28 03:05:00,803 INFO L274 CegarLoopResult]: For program point L840-1(line 840) no Hoare annotation was computed. [2020-11-28 03:05:00,803 INFO L274 CegarLoopResult]: For program point L840-2(line 840) no Hoare annotation was computed. [2020-11-28 03:05:00,803 INFO L274 CegarLoopResult]: For program point L857(lines 857 863) no Hoare annotation was computed. [2020-11-28 03:05:00,803 INFO L274 CegarLoopResult]: For program point L857-2(lines 857 863) no Hoare annotation was computed. [2020-11-28 03:05:00,804 INFO L274 CegarLoopResult]: For program point L857-4(lines 857 863) no Hoare annotation was computed. [2020-11-28 03:05:00,804 INFO L270 CegarLoopResult]: At program point L461(lines 410 462) the Hoare annotation is: false [2020-11-28 03:05:00,804 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:05:00,804 INFO L274 CegarLoopResult]: For program point L412(lines 411 460) no Hoare annotation was computed. [2020-11-28 03:05:00,804 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:05:00,804 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-11-28 03:05:00,805 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-11-28 03:05:00,805 INFO L274 CegarLoopResult]: For program point L413(lines 413 417) no Hoare annotation was computed. [2020-11-28 03:05:00,805 INFO L274 CegarLoopResult]: For program point L215(lines 215 219) no Hoare annotation was computed. [2020-11-28 03:05:00,805 INFO L274 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-11-28 03:05:00,805 INFO L270 CegarLoopResult]: At program point L381-1(lines 381 387) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:05:00,805 INFO L274 CegarLoopResult]: For program point L431(lines 431 437) no Hoare annotation was computed. [2020-11-28 03:05:00,806 INFO L270 CegarLoopResult]: At program point L431-1(lines 431 437) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:05:00,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:05:00 BoogieIcfgContainer [2020-11-28 03:05:00,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:05:00,855 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:05:00,855 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:05:00,856 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:05:00,856 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:04:58" (3/4) ... [2020-11-28 03:05:00,859 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:05:00,875 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:05:00,875 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:05:00,876 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:05:00,877 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:05:00,877 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:05:00,878 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:05:00,879 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:05:00,920 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 03:05:01,000 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fc7a6887-95ce-4d84-8420-3061aec56048/bin/uautomizer/witness.graphml [2020-11-28 03:05:01,001 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:05:01,003 INFO L168 Benchmark]: Toolchain (without parser) took 3918.38 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 59.0 MB in the beginning and 82.4 MB in the end (delta: -23.4 MB). Peak memory consumption was 43.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:01,003 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 90.2 MB. Free memory was 49.4 MB in the beginning and 49.3 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:01,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.54 ms. Allocated memory is still 90.2 MB. Free memory was 58.8 MB in the beginning and 58.5 MB in the end (delta: 267.8 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:01,005 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.82 ms. Allocated memory is still 90.2 MB. Free memory was 58.5 MB in the beginning and 55.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:01,005 INFO L168 Benchmark]: Boogie Preprocessor took 92.14 ms. Allocated memory is still 90.2 MB. Free memory was 55.6 MB in the beginning and 53.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:01,006 INFO L168 Benchmark]: RCFGBuilder took 1038.98 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 53.5 MB in the beginning and 61.7 MB in the end (delta: -8.2 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:01,007 INFO L168 Benchmark]: TraceAbstraction took 1939.88 ms. Allocated memory is still 109.1 MB. Free memory was 61.1 MB in the beginning and 37.2 MB in the end (delta: 23.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:01,007 INFO L168 Benchmark]: Witness Printer took 145.63 ms. Allocated memory is still 109.1 MB. Free memory was 37.2 MB in the beginning and 82.4 MB in the end (delta: -45.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:01,009 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 90.2 MB. Free memory was 49.4 MB in the beginning and 49.3 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 555.54 ms. Allocated memory is still 90.2 MB. Free memory was 58.8 MB in the beginning and 58.5 MB in the end (delta: 267.8 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 138.82 ms. Allocated memory is still 90.2 MB. Free memory was 58.5 MB in the beginning and 55.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 92.14 ms. Allocated memory is still 90.2 MB. Free memory was 55.6 MB in the beginning and 53.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1038.98 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 53.5 MB in the beginning and 61.7 MB in the end (delta: -8.2 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1939.88 ms. Allocated memory is still 109.1 MB. Free memory was 61.1 MB in the beginning and 37.2 MB in the end (delta: 23.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. * Witness Printer took 145.63 ms. Allocated memory is still 109.1 MB. Free memory was 37.2 MB in the beginning and 82.4 MB in the end (delta: -45.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 62 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 268 SDtfs, 256 SDslu, 230 SDs, 0 SdLazy, 52 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 47 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 88 NumberOfFragments, 110 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1297 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 3675 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...