./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product03.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_c3a0b3a2-46cb-49ce-bce3-c6d5f8f70aca/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c3a0b3a2-46cb-49ce-bce3-c6d5f8f70aca/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c3a0b3a2-46cb-49ce-bce3-c6d5f8f70aca/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c3a0b3a2-46cb-49ce-bce3-c6d5f8f70aca/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c3a0b3a2-46cb-49ce-bce3-c6d5f8f70aca/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c3a0b3a2-46cb-49ce-bce3-c6d5f8f70aca/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 a0ad45b227bbb81da93f33ffe3bf06c7b9263248 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 03:20:12,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:20:12,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:20:12,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:20:12,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:20:12,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:20:12,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:20:12,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:20:12,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:20:12,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:20:12,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:20:12,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:20:12,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:20:12,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:20:12,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:20:12,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:20:12,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:20:12,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:20:12,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:20:12,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:20:12,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:20:12,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:20:12,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:20:12,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:20:12,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:20:12,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:20:12,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:20:12,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:20:12,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:20:12,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:20:12,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:20:12,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:20:12,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:20:12,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:20:12,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:20:12,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:20:12,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:20:12,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:20:12,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:20:12,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:20:12,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:20:12,898 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c3a0b3a2-46cb-49ce-bce3-c6d5f8f70aca/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:20:12,929 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:20:12,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:20:12,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:20:12,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:20:12,934 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:20:12,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:20:12,935 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:20:12,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:20:12,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:20:12,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:20:12,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:20:12,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:20:12,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:20:12,937 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:20:12,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:20:12,938 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:20:12,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:20:12,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:20:12,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:20:12,940 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:20:12,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:20:12,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:20:12,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:20:12,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:20:12,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:20:12,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:20:12,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:20:12,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:20:12,944 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:20:12,945 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_c3a0b3a2-46cb-49ce-bce3-c6d5f8f70aca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c3a0b3a2-46cb-49ce-bce3-c6d5f8f70aca/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0ad45b227bbb81da93f33ffe3bf06c7b9263248 [2020-11-28 03:20:13,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:20:13,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:20:13,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:20:13,259 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:20:13,262 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:20:13,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c3a0b3a2-46cb-49ce-bce3-c6d5f8f70aca/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2020-11-28 03:20:13,379 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c3a0b3a2-46cb-49ce-bce3-c6d5f8f70aca/bin/uautomizer/data/8c4628fbd/511d81e22d374dda983c2626b90bdd9a/FLAGba61d13e8 [2020-11-28 03:20:13,979 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:20:13,979 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c3a0b3a2-46cb-49ce-bce3-c6d5f8f70aca/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2020-11-28 03:20:14,002 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c3a0b3a2-46cb-49ce-bce3-c6d5f8f70aca/bin/uautomizer/data/8c4628fbd/511d81e22d374dda983c2626b90bdd9a/FLAGba61d13e8 [2020-11-28 03:20:14,267 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c3a0b3a2-46cb-49ce-bce3-c6d5f8f70aca/bin/uautomizer/data/8c4628fbd/511d81e22d374dda983c2626b90bdd9a [2020-11-28 03:20:14,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:20:14,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:20:14,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:14,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:20:14,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:20:14,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:14" (1/1) ... [2020-11-28 03:20:14,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ce6f47b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:14, skipping insertion in model container [2020-11-28 03:20:14,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:14" (1/1) ... [2020-11-28 03:20:14,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:20:14,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:20:14,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:14,705 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:20:14,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:14,824 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:20:14,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:14 WrapperNode [2020-11-28 03:20:14,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:14,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:14,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:20:14,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:20:14,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:14" (1/1) ... [2020-11-28 03:20:14,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:14" (1/1) ... [2020-11-28 03:20:14,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:14,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:20:14,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:20:14,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:20:14,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:14" (1/1) ... [2020-11-28 03:20:14,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:14" (1/1) ... [2020-11-28 03:20:14,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:14" (1/1) ... [2020-11-28 03:20:14,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:14" (1/1) ... [2020-11-28 03:20:14,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:14" (1/1) ... [2020-11-28 03:20:14,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:14" (1/1) ... [2020-11-28 03:20:14,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:14" (1/1) ... [2020-11-28 03:20:14,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:20:14,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:20:14,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:20:14,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:20:14,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3a0b3a2-46cb-49ce-bce3-c6d5f8f70aca/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 03:20:15,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:20:15,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:20:15,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:20:15,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:20:15,798 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:20:15,804 INFO L298 CfgBuilder]: Removed 76 assume(true) statements. [2020-11-28 03:20:15,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:15 BoogieIcfgContainer [2020-11-28 03:20:15,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:20:15,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:20:15,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:20:15,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:20:15,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:20:14" (1/3) ... [2020-11-28 03:20:15,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5811fbad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:15, skipping insertion in model container [2020-11-28 03:20:15,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:14" (2/3) ... [2020-11-28 03:20:15,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5811fbad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:15, skipping insertion in model container [2020-11-28 03:20:15,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:15" (3/3) ... [2020-11-28 03:20:15,816 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product03.cil.c [2020-11-28 03:20:15,830 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:20:15,835 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:20:15,847 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:20:15,883 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:20:15,884 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:20:15,884 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:20:15,884 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:20:15,884 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:20:15,884 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:20:15,884 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:20:15,885 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:20:15,901 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2020-11-28 03:20:15,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 03:20:15,906 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:15,907 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:15,908 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:15,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:15,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1328737855, now seen corresponding path program 1 times [2020-11-28 03:20:15,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:15,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806715097] [2020-11-28 03:20:15,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:16,173 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 03:20:16,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806715097] [2020-11-28 03:20:16,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:16,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:20:16,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175646533] [2020-11-28 03:20:16,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:20:16,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:16,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:20:16,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:20:16,199 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2020-11-28 03:20:16,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:16,230 INFO L93 Difference]: Finished difference Result 115 states and 170 transitions. [2020-11-28 03:20:16,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:20:16,232 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 03:20:16,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:16,245 INFO L225 Difference]: With dead ends: 115 [2020-11-28 03:20:16,245 INFO L226 Difference]: Without dead ends: 55 [2020-11-28 03:20:16,250 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 03:20:16,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-28 03:20:16,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-28 03:20:16,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-28 03:20:16,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2020-11-28 03:20:16,288 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2020-11-28 03:20:16,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:16,289 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2020-11-28 03:20:16,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:20:16,289 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-11-28 03:20:16,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 03:20:16,290 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:16,290 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 03:20:16,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:20:16,291 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:16,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:16,292 INFO L82 PathProgramCache]: Analyzing trace with hash 281980958, now seen corresponding path program 1 times [2020-11-28 03:20:16,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:16,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095741701] [2020-11-28 03:20:16,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:16,478 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 03:20:16,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095741701] [2020-11-28 03:20:16,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:16,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:16,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139551593] [2020-11-28 03:20:16,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:16,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:16,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:16,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:16,482 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2020-11-28 03:20:16,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:16,495 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-11-28 03:20:16,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:16,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-28 03:20:16,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:16,499 INFO L225 Difference]: With dead ends: 55 [2020-11-28 03:20:16,499 INFO L226 Difference]: Without dead ends: 29 [2020-11-28 03:20:16,500 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 03:20:16,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-28 03:20:16,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-28 03:20:16,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-28 03:20:16,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-11-28 03:20:16,511 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2020-11-28 03:20:16,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:16,512 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-11-28 03:20:16,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:16,512 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-11-28 03:20:16,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 03:20:16,523 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:16,523 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 03:20:16,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:20:16,524 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:16,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:16,524 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2020-11-28 03:20:16,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:16,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972480443] [2020-11-28 03:20:16,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:16,664 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 03:20:16,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972480443] [2020-11-28 03:20:16,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:16,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:20:16,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370069930] [2020-11-28 03:20:16,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:20:16,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:16,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:20:16,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:20:16,667 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 6 states. [2020-11-28 03:20:16,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:16,860 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2020-11-28 03:20:16,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:20:16,864 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-11-28 03:20:16,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:16,867 INFO L225 Difference]: With dead ends: 98 [2020-11-28 03:20:16,867 INFO L226 Difference]: Without dead ends: 75 [2020-11-28 03:20:16,868 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:20:16,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-11-28 03:20:16,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 48. [2020-11-28 03:20:16,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-11-28 03:20:16,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2020-11-28 03:20:16,880 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2020-11-28 03:20:16,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:16,880 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2020-11-28 03:20:16,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:20:16,881 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2020-11-28 03:20:16,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 03:20:16,882 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:16,882 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 03:20:16,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:20:16,882 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:16,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:16,883 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2020-11-28 03:20:16,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:16,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946997011] [2020-11-28 03:20:16,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:16,951 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 03:20:16,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946997011] [2020-11-28 03:20:16,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:16,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:20:16,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226670589] [2020-11-28 03:20:16,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:20:16,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:16,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:20:16,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:20:16,953 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2020-11-28 03:20:17,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:17,061 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2020-11-28 03:20:17,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:20:17,062 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-11-28 03:20:17,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:17,064 INFO L225 Difference]: With dead ends: 214 [2020-11-28 03:20:17,064 INFO L226 Difference]: Without dead ends: 172 [2020-11-28 03:20:17,065 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 03:20:17,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-11-28 03:20:17,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 84. [2020-11-28 03:20:17,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-11-28 03:20:17,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2020-11-28 03:20:17,099 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 22 [2020-11-28 03:20:17,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:17,099 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2020-11-28 03:20:17,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:20:17,099 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2020-11-28 03:20:17,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 03:20:17,101 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:17,101 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 03:20:17,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:20:17,102 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:17,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:17,103 INFO L82 PathProgramCache]: Analyzing trace with hash 507351174, now seen corresponding path program 1 times [2020-11-28 03:20:17,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:17,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434065535] [2020-11-28 03:20:17,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:17,220 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 03:20:17,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434065535] [2020-11-28 03:20:17,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:17,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:20:17,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790423594] [2020-11-28 03:20:17,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:20:17,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:17,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:20:17,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:20:17,223 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand 5 states. [2020-11-28 03:20:17,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:17,314 INFO L93 Difference]: Finished difference Result 268 states and 395 transitions. [2020-11-28 03:20:17,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:20:17,315 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-28 03:20:17,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:17,315 INFO L225 Difference]: With dead ends: 268 [2020-11-28 03:20:17,315 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:20:17,317 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 03:20:17,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:20:17,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:20:17,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:20:17,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:20:17,318 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-11-28 03:20:17,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:17,318 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:20:17,318 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:20:17,318 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:20:17,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:20:17,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:20:17,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:20:17,637 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:20:17,637 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:20:17,637 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:20:17,638 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:20:17,638 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:20:17,638 INFO L274 CegarLoopResult]: For program point L301(lines 301 305) no Hoare annotation was computed. [2020-11-28 03:20:17,638 INFO L274 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2020-11-28 03:20:17,638 INFO L274 CegarLoopResult]: For program point L270(lines 270 276) no Hoare annotation was computed. [2020-11-28 03:20:17,639 INFO L270 CegarLoopResult]: At program point L270-1(lines 270 276) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:20:17,639 INFO L270 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: false [2020-11-28 03:20:17,639 INFO L270 CegarLoopResult]: At program point L139(lines 1 858) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:20:17,639 INFO L277 CegarLoopResult]: At program point L454(lines 435 457) the Hoare annotation is: true [2020-11-28 03:20:17,639 INFO L274 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2020-11-28 03:20:17,639 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:20:17,639 INFO L274 CegarLoopResult]: For program point L289-3(lines 289 293) no Hoare annotation was computed. [2020-11-28 03:20:17,639 INFO L274 CegarLoopResult]: For program point L289-6(lines 289 293) no Hoare annotation was computed. [2020-11-28 03:20:17,640 INFO L274 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2020-11-28 03:20:17,640 INFO L270 CegarLoopResult]: At program point L174(lines 174 180) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:20:17,640 INFO L270 CegarLoopResult]: At program point L174-1(lines 174 180) the Hoare annotation is: false [2020-11-28 03:20:17,640 INFO L270 CegarLoopResult]: At program point L174-2(lines 174 180) the Hoare annotation is: false [2020-11-28 03:20:17,640 INFO L270 CegarLoopResult]: At program point L422(lines 418 424) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:20:17,640 INFO L274 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-11-28 03:20:17,640 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:20:17,641 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-28 03:20:17,641 INFO L270 CegarLoopResult]: At program point L93-1(lines 167 173) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:20:17,641 INFO L270 CegarLoopResult]: At program point L374-2(lines 374 388) the Hoare annotation is: false [2020-11-28 03:20:17,641 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-11-28 03:20:17,641 INFO L270 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:20:17,641 INFO L270 CegarLoopResult]: At program point L226(lines 221 229) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:20:17,641 INFO L270 CegarLoopResult]: At program point L226-1(lines 221 229) the Hoare annotation is: false [2020-11-28 03:20:17,641 INFO L270 CegarLoopResult]: At program point L226-2(lines 221 229) the Hoare annotation is: false [2020-11-28 03:20:17,642 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:20:17,642 INFO L274 CegarLoopResult]: For program point L375(line 375) no Hoare annotation was computed. [2020-11-28 03:20:17,642 INFO L270 CegarLoopResult]: At program point L326(lines 321 329) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:20:17,642 INFO L270 CegarLoopResult]: At program point L326-1(lines 321 329) the Hoare annotation is: false [2020-11-28 03:20:17,642 INFO L270 CegarLoopResult]: At program point L326-2(lines 321 329) the Hoare annotation is: false [2020-11-28 03:20:17,642 INFO L274 CegarLoopResult]: For program point L476(lines 476 489) no Hoare annotation was computed. [2020-11-28 03:20:17,642 INFO L270 CegarLoopResult]: At program point L476-1(lines 1 858) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:20:17,642 INFO L274 CegarLoopResult]: For program point L476-2(lines 476 489) no Hoare annotation was computed. [2020-11-28 03:20:17,643 INFO L270 CegarLoopResult]: At program point L476-3(lines 1 858) the Hoare annotation is: false [2020-11-28 03:20:17,643 INFO L274 CegarLoopResult]: For program point L476-4(lines 476 489) no Hoare annotation was computed. [2020-11-28 03:20:17,643 INFO L270 CegarLoopResult]: At program point L476-5(lines 1 858) the Hoare annotation is: false [2020-11-28 03:20:17,643 INFO L274 CegarLoopResult]: For program point L378(lines 378 382) no Hoare annotation was computed. [2020-11-28 03:20:17,643 INFO L274 CegarLoopResult]: For program point L378-1(lines 167 173) no Hoare annotation was computed. [2020-11-28 03:20:17,643 INFO L270 CegarLoopResult]: At program point L147(lines 142 150) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:20:17,643 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:20:17,643 INFO L274 CegarLoopResult]: For program point L445(lines 445 452) no Hoare annotation was computed. [2020-11-28 03:20:17,644 INFO L277 CegarLoopResult]: At program point L445-1(lines 445 452) the Hoare annotation is: true [2020-11-28 03:20:17,644 INFO L274 CegarLoopResult]: For program point L313(lines 313 317) no Hoare annotation was computed. [2020-11-28 03:20:17,644 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:20:17,644 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-11-28 03:20:17,644 INFO L274 CegarLoopResult]: For program point L463-1(line 463) no Hoare annotation was computed. [2020-11-28 03:20:17,644 INFO L274 CegarLoopResult]: For program point L463-2(line 463) no Hoare annotation was computed. [2020-11-28 03:20:17,644 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-11-28 03:20:17,645 INFO L270 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:20:17,645 INFO L274 CegarLoopResult]: For program point L480(lines 480 486) no Hoare annotation was computed. [2020-11-28 03:20:17,645 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 486) no Hoare annotation was computed. [2020-11-28 03:20:17,645 INFO L274 CegarLoopResult]: For program point L480-4(lines 480 486) no Hoare annotation was computed. [2020-11-28 03:20:17,645 INFO L270 CegarLoopResult]: At program point L167(lines 166 185) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:20:17,645 INFO L274 CegarLoopResult]: For program point L167-1(lines 167 173) no Hoare annotation was computed. [2020-11-28 03:20:17,645 INFO L270 CegarLoopResult]: At program point L167-2(lines 166 185) the Hoare annotation is: false [2020-11-28 03:20:17,645 INFO L270 CegarLoopResult]: At program point L167-3(lines 166 185) the Hoare annotation is: false [2020-11-28 03:20:17,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:20:17 BoogieIcfgContainer [2020-11-28 03:20:17,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:20:17,674 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:20:17,674 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:20:17,674 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:20:17,675 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:15" (3/4) ... [2020-11-28 03:20:17,678 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:20:17,699 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:20:17,700 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:20:17,701 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:20:17,701 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:20:17,702 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:20:17,702 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:20:17,703 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:20:17,731 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-11-28 03:20:17,731 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-11-28 03:20:17,736 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 03:20:17,805 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c3a0b3a2-46cb-49ce-bce3-c6d5f8f70aca/bin/uautomizer/witness.graphml [2020-11-28 03:20:17,805 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:20:17,807 INFO L168 Benchmark]: Toolchain (without parser) took 3534.11 ms. Allocated memory was 81.8 MB in the beginning and 125.8 MB in the end (delta: 44.0 MB). Free memory was 49.3 MB in the beginning and 40.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 52.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:17,807 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 81.8 MB. Free memory was 52.3 MB in the beginning and 52.3 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:17,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 549.22 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 49.1 MB in the beginning and 72.0 MB in the end (delta: -23.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:17,813 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.04 ms. Allocated memory is still 104.9 MB. Free memory was 72.0 MB in the beginning and 69.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:17,813 INFO L168 Benchmark]: Boogie Preprocessor took 38.12 ms. Allocated memory is still 104.9 MB. Free memory was 69.2 MB in the beginning and 67.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:17,814 INFO L168 Benchmark]: RCFGBuilder took 881.37 ms. Allocated memory is still 104.9 MB. Free memory was 67.4 MB in the beginning and 78.8 MB in the end (delta: -11.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:17,814 INFO L168 Benchmark]: TraceAbstraction took 1865.07 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 78.2 MB in the beginning and 45.3 MB in the end (delta: 32.9 MB). Peak memory consumption was 54.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:17,815 INFO L168 Benchmark]: Witness Printer took 131.25 ms. Allocated memory is still 125.8 MB. Free memory was 45.3 MB in the beginning and 40.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:17,817 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 81.8 MB. Free memory was 52.3 MB in the beginning and 52.3 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 549.22 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 49.1 MB in the beginning and 72.0 MB in the end (delta: -23.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.04 ms. Allocated memory is still 104.9 MB. Free memory was 72.0 MB in the beginning and 69.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.12 ms. Allocated memory is still 104.9 MB. Free memory was 69.2 MB in the beginning and 67.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 881.37 ms. Allocated memory is still 104.9 MB. Free memory was 67.4 MB in the beginning and 78.8 MB in the end (delta: -11.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1865.07 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 78.2 MB in the beginning and 45.3 MB in the end (delta: 32.9 MB). Peak memory consumption was 54.0 MB. Max. memory is 16.1 GB. * Witness Printer took 131.25 ms. Allocated memory is still 125.8 MB. Free memory was 45.3 MB in the beginning and 40.1 MB in the end (delta: 5.2 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: 167]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 166]: 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, 371 SDslu, 459 SDs, 0 SdLazy, 58 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 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, 115 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 112 NumberOfFragments, 119 HoareAnnotationTreeSize, 26 FomulaSimplifications, 4447 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, 4452 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...