./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8133d4b2-d2b1-45f8-bdbd-852dcf9cf099/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8133d4b2-d2b1-45f8-bdbd-852dcf9cf099/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8133d4b2-d2b1-45f8-bdbd-852dcf9cf099/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8133d4b2-d2b1-45f8-bdbd-852dcf9cf099/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8133d4b2-d2b1-45f8-bdbd-852dcf9cf099/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8133d4b2-d2b1-45f8-bdbd-852dcf9cf099/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 92b6e9c68c74814d170d81479fd82dff664bcc07 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:34:14,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:34:14,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:34:14,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:34:14,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:34:14,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:34:14,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:34:14,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:34:14,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:34:14,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:34:14,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:34:14,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:34:14,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:34:14,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:34:14,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:34:14,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:34:14,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:34:14,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:34:14,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:34:14,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:34:14,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:34:14,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:34:14,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:34:14,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:34:14,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:34:14,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:34:14,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:34:14,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:34:14,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:34:14,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:34:14,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:34:14,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:34:14,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:34:14,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:34:14,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:34:14,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:34:14,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:34:14,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:34:14,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:34:14,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:34:14,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:34:14,809 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8133d4b2-d2b1-45f8-bdbd-852dcf9cf099/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:34:14,851 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:34:14,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:34:14,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:34:14,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:34:14,855 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:34:14,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:34:14,855 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:34:14,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:34:14,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:34:14,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:34:14,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:34:14,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:34:14,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:34:14,858 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:34:14,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:34:14,858 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:34:14,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:34:14,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:34:14,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:34:14,859 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:34:14,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:34:14,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:34:14,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:34:14,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:34:14,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:34:14,861 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:34:14,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:34:14,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:34:14,862 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:34:14,862 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_8133d4b2-d2b1-45f8-bdbd-852dcf9cf099/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8133d4b2-d2b1-45f8-bdbd-852dcf9cf099/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92b6e9c68c74814d170d81479fd82dff664bcc07 [2020-12-01 15:34:15,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:34:15,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:34:15,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:34:15,312 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:34:15,314 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:34:15,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8133d4b2-d2b1-45f8-bdbd-852dcf9cf099/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2020-12-01 15:34:15,400 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8133d4b2-d2b1-45f8-bdbd-852dcf9cf099/bin/uautomizer/data/ba56d83f4/e4c7e79586974017ad01fb0168c21852/FLAGbd7eae9b1 [2020-12-01 15:34:16,014 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:34:16,021 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8133d4b2-d2b1-45f8-bdbd-852dcf9cf099/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2020-12-01 15:34:16,056 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8133d4b2-d2b1-45f8-bdbd-852dcf9cf099/bin/uautomizer/data/ba56d83f4/e4c7e79586974017ad01fb0168c21852/FLAGbd7eae9b1 [2020-12-01 15:34:16,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8133d4b2-d2b1-45f8-bdbd-852dcf9cf099/bin/uautomizer/data/ba56d83f4/e4c7e79586974017ad01fb0168c21852 [2020-12-01 15:34:16,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:34:16,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:34:16,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:34:16,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:34:16,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:34:16,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:34:16" (1/1) ... [2020-12-01 15:34:16,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@221611eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:16, skipping insertion in model container [2020-12-01 15:34:16,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:34:16" (1/1) ... [2020-12-01 15:34:16,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:34:16,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:34:16,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:34:16,756 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:34:16,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:34:16,886 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:34:16,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:16 WrapperNode [2020-12-01 15:34:16,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:34:16,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:34:16,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:34:16,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:34:16,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:16" (1/1) ... [2020-12-01 15:34:16,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:16" (1/1) ... [2020-12-01 15:34:16,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:34:16,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:34:16,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:34:16,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:34:16,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:16" (1/1) ... [2020-12-01 15:34:16,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:16" (1/1) ... [2020-12-01 15:34:16,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:16" (1/1) ... [2020-12-01 15:34:16,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:16" (1/1) ... [2020-12-01 15:34:16,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:16" (1/1) ... [2020-12-01 15:34:16,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:16" (1/1) ... [2020-12-01 15:34:16,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:16" (1/1) ... [2020-12-01 15:34:17,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:34:17,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:34:17,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:34:17,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:34:17,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8133d4b2-d2b1-45f8-bdbd-852dcf9cf099/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 [2020-12-01 15:34:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:34:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:34:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:34:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:34:18,135 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:34:18,135 INFO L298 CfgBuilder]: Removed 72 assume(true) statements. [2020-12-01 15:34:18,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:34:18 BoogieIcfgContainer [2020-12-01 15:34:18,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:34:18,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:34:18,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:34:18,144 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:34:18,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:34:16" (1/3) ... [2020-12-01 15:34:18,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137a32b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:34:18, skipping insertion in model container [2020-12-01 15:34:18,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:16" (2/3) ... [2020-12-01 15:34:18,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137a32b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:34:18, skipping insertion in model container [2020-12-01 15:34:18,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:34:18" (3/3) ... [2020-12-01 15:34:18,149 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product09.cil.c [2020-12-01 15:34:18,166 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:34:18,170 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-01 15:34:18,184 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-01 15:34:18,215 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:34:18,216 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:34:18,216 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:34:18,216 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:34:18,216 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:34:18,217 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:34:18,217 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:34:18,217 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:34:18,242 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-12-01 15:34:18,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 15:34:18,249 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:34:18,251 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:34:18,251 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:34:18,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:34:18,259 INFO L82 PathProgramCache]: Analyzing trace with hash -2101252973, now seen corresponding path program 1 times [2020-12-01 15:34:18,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:34:18,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660310730] [2020-12-01 15:34:18,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:34:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:34:18,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:34:18,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660310730] [2020-12-01 15:34:18,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:34:18,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:34:18,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125442057] [2020-12-01 15:34:18,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 15:34:18,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:34:18,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 15:34:18,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:34:18,657 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2020-12-01 15:34:18,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:34:18,694 INFO L93 Difference]: Finished difference Result 111 states and 164 transitions. [2020-12-01 15:34:18,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 15:34:18,695 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-01 15:34:18,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:34:18,710 INFO L225 Difference]: With dead ends: 111 [2020-12-01 15:34:18,710 INFO L226 Difference]: Without dead ends: 53 [2020-12-01 15:34:18,723 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 [2020-12-01 15:34:18,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-01 15:34:18,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-01 15:34:18,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-01 15:34:18,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2020-12-01 15:34:18,764 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2020-12-01 15:34:18,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:34:18,765 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2020-12-01 15:34:18,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 15:34:18,765 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-12-01 15:34:18,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 15:34:18,766 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:34:18,767 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:34:18,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:34:18,767 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:34:18,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:34:18,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1462582574, now seen corresponding path program 1 times [2020-12-01 15:34:18,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:34:18,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641698768] [2020-12-01 15:34:18,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:34:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:34:18,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:34:18,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641698768] [2020-12-01 15:34:18,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:34:18,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:34:18,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306188153] [2020-12-01 15:34:18,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:34:18,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:34:18,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:34:18,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:34:18,939 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2020-12-01 15:34:18,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:34:18,953 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-12-01 15:34:18,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:34:18,954 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-01 15:34:18,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:34:18,956 INFO L225 Difference]: With dead ends: 53 [2020-12-01 15:34:18,957 INFO L226 Difference]: Without dead ends: 27 [2020-12-01 15:34:18,958 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 [2020-12-01 15:34:18,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-01 15:34:18,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-01 15:34:18,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-01 15:34:18,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2020-12-01 15:34:18,969 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2020-12-01 15:34:18,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:34:18,969 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2020-12-01 15:34:18,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:34:18,969 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-12-01 15:34:18,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 15:34:18,970 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:34:18,971 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] [2020-12-01 15:34:18,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:34:18,971 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:34:18,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:34:18,972 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2020-12-01 15:34:18,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:34:18,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563398804] [2020-12-01 15:34:18,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:34:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:34:19,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:34:19,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563398804] [2020-12-01 15:34:19,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:34:19,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:34:19,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556596996] [2020-12-01 15:34:19,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 15:34:19,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:34:19,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 15:34:19,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:34:19,122 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 5 states. [2020-12-01 15:34:19,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:34:19,269 INFO L93 Difference]: Finished difference Result 90 states and 136 transitions. [2020-12-01 15:34:19,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 15:34:19,271 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-12-01 15:34:19,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:34:19,277 INFO L225 Difference]: With dead ends: 90 [2020-12-01 15:34:19,277 INFO L226 Difference]: Without dead ends: 69 [2020-12-01 15:34:19,280 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-01 15:34:19,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-12-01 15:34:19,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 44. [2020-12-01 15:34:19,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-12-01 15:34:19,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 61 transitions. [2020-12-01 15:34:19,299 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 61 transitions. Word has length 22 [2020-12-01 15:34:19,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:34:19,299 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 61 transitions. [2020-12-01 15:34:19,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 15:34:19,300 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2020-12-01 15:34:19,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 15:34:19,301 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:34:19,301 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] [2020-12-01 15:34:19,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:34:19,301 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:34:19,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:34:19,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1660275790, now seen corresponding path program 1 times [2020-12-01 15:34:19,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:34:19,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246722929] [2020-12-01 15:34:19,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:34:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:34:19,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:34:19,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246722929] [2020-12-01 15:34:19,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:34:19,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:34:19,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915855290] [2020-12-01 15:34:19,392 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 15:34:19,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:34:19,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 15:34:19,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:34:19,395 INFO L87 Difference]: Start difference. First operand 44 states and 61 transitions. Second operand 5 states. [2020-12-01 15:34:19,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:34:19,458 INFO L93 Difference]: Finished difference Result 92 states and 136 transitions. [2020-12-01 15:34:19,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 15:34:19,459 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-12-01 15:34:19,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:34:19,459 INFO L225 Difference]: With dead ends: 92 [2020-12-01 15:34:19,460 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:34:19,461 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 [2020-12-01 15:34:19,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:34:19,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:34:19,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:34:19,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:34:19,462 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-12-01 15:34:19,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:34:19,463 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:34:19,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 15:34:19,463 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:34:19,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:34:19,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 15:34:19,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:34:19,602 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 15:34:19,602 INFO L262 CegarLoopResult]: For program point L845(lines 845 852) no Hoare annotation was computed. [2020-12-01 15:34:19,603 INFO L265 CegarLoopResult]: At program point L845-1(lines 845 852) the Hoare annotation is: true [2020-12-01 15:34:19,603 INFO L258 CegarLoopResult]: At program point L614(lines 614 620) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 15:34:19,603 INFO L258 CegarLoopResult]: At program point L614-1(lines 614 620) the Hoare annotation is: false [2020-12-01 15:34:19,603 INFO L258 CegarLoopResult]: At program point L614-2(lines 614 620) the Hoare annotation is: false [2020-12-01 15:34:19,604 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-12-01 15:34:19,604 INFO L262 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-12-01 15:34:19,604 INFO L262 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-12-01 15:34:19,604 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:34:19,604 INFO L262 CegarLoopResult]: For program point L468(lines 468 472) no Hoare annotation was computed. [2020-12-01 15:34:19,605 INFO L258 CegarLoopResult]: At program point L750(lines 1 857) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2020-12-01 15:34:19,605 INFO L258 CegarLoopResult]: At program point L684(lines 679 687) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 15:34:19,605 INFO L258 CegarLoopResult]: At program point L684-1(lines 679 687) the Hoare annotation is: false [2020-12-01 15:34:19,605 INFO L258 CegarLoopResult]: At program point L684-2(lines 679 687) the Hoare annotation is: false [2020-12-01 15:34:19,606 INFO L262 CegarLoopResult]: For program point L552(lines 552 558) no Hoare annotation was computed. [2020-12-01 15:34:19,606 INFO L258 CegarLoopResult]: At program point L552-1(lines 552 558) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 15:34:19,606 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:34:19,606 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 15:34:19,607 INFO L258 CegarLoopResult]: At program point L588(lines 541 589) the Hoare annotation is: false [2020-12-01 15:34:19,607 INFO L262 CegarLoopResult]: For program point L456(lines 456 460) no Hoare annotation was computed. [2020-12-01 15:34:19,607 INFO L262 CegarLoopResult]: For program point L456-3(lines 456 460) no Hoare annotation was computed. [2020-12-01 15:34:19,607 INFO L262 CegarLoopResult]: For program point L456-6(lines 456 460) no Hoare annotation was computed. [2020-12-01 15:34:19,607 INFO L262 CegarLoopResult]: For program point L572(lines 572 583) no Hoare annotation was computed. [2020-12-01 15:34:19,608 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:34:19,608 INFO L265 CegarLoopResult]: At program point L854(lines 835 857) the Hoare annotation is: true [2020-12-01 15:34:19,608 INFO L258 CegarLoopResult]: At program point L607(lines 606 625) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 15:34:19,608 INFO L262 CegarLoopResult]: For program point L607-1(lines 607 613) no Hoare annotation was computed. [2020-12-01 15:34:19,609 INFO L258 CegarLoopResult]: At program point L607-2(lines 606 625) the Hoare annotation is: false [2020-12-01 15:34:19,609 INFO L258 CegarLoopResult]: At program point L607-3(lines 606 625) the Hoare annotation is: false [2020-12-01 15:34:19,609 INFO L258 CegarLoopResult]: At program point L822(lines 818 824) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2020-12-01 15:34:19,609 INFO L258 CegarLoopResult]: At program point L525(lines 520 528) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 15:34:19,610 INFO L258 CegarLoopResult]: At program point L525-1(lines 520 528) the Hoare annotation is: false [2020-12-01 15:34:19,610 INFO L258 CegarLoopResult]: At program point L525-2(lines 520 528) the Hoare annotation is: false [2020-12-01 15:34:19,610 INFO L262 CegarLoopResult]: For program point L427(lines 427 440) no Hoare annotation was computed. [2020-12-01 15:34:19,610 INFO L258 CegarLoopResult]: At program point L427-1(lines 1 857) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 15:34:19,611 INFO L262 CegarLoopResult]: For program point L427-2(lines 427 440) no Hoare annotation was computed. [2020-12-01 15:34:19,611 INFO L258 CegarLoopResult]: At program point L427-3(lines 1 857) the Hoare annotation is: false [2020-12-01 15:34:19,611 INFO L262 CegarLoopResult]: For program point L427-4(lines 427 440) no Hoare annotation was computed. [2020-12-01 15:34:19,611 INFO L258 CegarLoopResult]: At program point L427-5(lines 1 857) the Hoare annotation is: false [2020-12-01 15:34:19,611 INFO L258 CegarLoopResult]: At program point L774-2(lines 774 788) the Hoare annotation is: false [2020-12-01 15:34:19,612 INFO L262 CegarLoopResult]: For program point L543(lines 542 587) no Hoare annotation was computed. [2020-12-01 15:34:19,612 INFO L258 CegarLoopResult]: At program point L758(lines 753 761) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2020-12-01 15:34:19,612 INFO L262 CegarLoopResult]: For program point L775(line 775) no Hoare annotation was computed. [2020-12-01 15:34:19,612 INFO L262 CegarLoopResult]: For program point L544(lines 544 548) no Hoare annotation was computed. [2020-12-01 15:34:19,612 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:34:19,613 INFO L262 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-12-01 15:34:19,613 INFO L262 CegarLoopResult]: For program point L412-1(line 412) no Hoare annotation was computed. [2020-12-01 15:34:19,613 INFO L262 CegarLoopResult]: For program point L412-2(line 412) no Hoare annotation was computed. [2020-12-01 15:34:19,613 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 15:34:19,613 INFO L262 CegarLoopResult]: For program point L578(lines 578 582) no Hoare annotation was computed. [2020-12-01 15:34:19,614 INFO L262 CegarLoopResult]: For program point L578-2(lines 607 613) no Hoare annotation was computed. [2020-12-01 15:34:19,614 INFO L262 CegarLoopResult]: For program point L562(lines 562 568) no Hoare annotation was computed. [2020-12-01 15:34:19,614 INFO L258 CegarLoopResult]: At program point L562-1(lines 562 568) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 15:34:19,614 INFO L262 CegarLoopResult]: For program point L480(lines 480 484) no Hoare annotation was computed. [2020-12-01 15:34:19,615 INFO L262 CegarLoopResult]: For program point L431(lines 431 437) no Hoare annotation was computed. [2020-12-01 15:34:19,615 INFO L262 CegarLoopResult]: For program point L431-2(lines 431 437) no Hoare annotation was computed. [2020-12-01 15:34:19,615 INFO L262 CegarLoopResult]: For program point L431-4(lines 431 437) no Hoare annotation was computed. [2020-12-01 15:34:19,615 INFO L262 CegarLoopResult]: For program point L778(lines 778 782) no Hoare annotation was computed. [2020-12-01 15:34:19,615 INFO L262 CegarLoopResult]: For program point L778-1(lines 607 613) no Hoare annotation was computed. [2020-12-01 15:34:19,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:34:19 BoogieIcfgContainer [2020-12-01 15:34:19,635 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:34:19,636 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:34:19,636 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:34:19,636 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:34:19,637 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:34:18" (3/4) ... [2020-12-01 15:34:19,641 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:34:19,656 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-01 15:34:19,657 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 15:34:19,658 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-01 15:34:19,658 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 15:34:19,659 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 15:34:19,659 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:34:19,660 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:34:19,692 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-12-01 15:34:19,740 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8133d4b2-d2b1-45f8-bdbd-852dcf9cf099/bin/uautomizer/witness.graphml [2020-12-01 15:34:19,740 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:34:19,742 INFO L168 Benchmark]: Toolchain (without parser) took 3433.40 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 59.0 MB in the beginning and 58.7 MB in the end (delta: 333.5 kB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:34:19,743 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 94.4 MB. Free memory is still 75.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:34:19,743 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.20 ms. Allocated memory is still 94.4 MB. Free memory was 58.8 MB in the beginning and 62.6 MB in the end (delta: -3.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:34:19,744 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.14 ms. Allocated memory is still 94.4 MB. Free memory was 62.6 MB in the beginning and 60.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:34:19,745 INFO L168 Benchmark]: Boogie Preprocessor took 42.34 ms. Allocated memory is still 94.4 MB. Free memory was 60.0 MB in the beginning and 58.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:34:19,745 INFO L168 Benchmark]: RCFGBuilder took 1135.69 ms. Allocated memory is still 94.4 MB. Free memory was 58.2 MB in the beginning and 43.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:34:19,746 INFO L168 Benchmark]: TraceAbstraction took 1495.77 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 43.5 MB in the beginning and 64.2 MB in the end (delta: -20.8 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:34:19,747 INFO L168 Benchmark]: Witness Printer took 104.34 ms. Allocated memory is still 123.7 MB. Free memory was 64.2 MB in the beginning and 58.7 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:34:19,750 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 94.4 MB. Free memory is still 75.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 577.20 ms. Allocated memory is still 94.4 MB. Free memory was 58.8 MB in the beginning and 62.6 MB in the end (delta: -3.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.14 ms. Allocated memory is still 94.4 MB. Free memory was 62.6 MB in the beginning and 60.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.34 ms. Allocated memory is still 94.4 MB. Free memory was 60.0 MB in the beginning and 58.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1135.69 ms. Allocated memory is still 94.4 MB. Free memory was 58.2 MB in the beginning and 43.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1495.77 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 43.5 MB in the beginning and 64.2 MB in the end (delta: -20.8 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. * Witness Printer took 104.34 ms. Allocated memory is still 123.7 MB. Free memory was 64.2 MB in the beginning and 58.7 MB in the end (delta: 5.5 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: 614]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: waterLevel == 1 && pumpRunning == 0 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: waterLevel == 1 && pumpRunning == 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: waterLevel == 1 && pumpRunning == 0 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 215 SDtfs, 195 SDslu, 185 SDs, 0 SdLazy, 43 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 25 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 50 NumberOfFragments, 87 HoareAnnotationTreeSize, 24 FomulaSimplifications, 401 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 3150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...